Text 3 In his book The Tipping Point,Malcolm Gladwell argues that social epidemics are driven in large part by the acting of a tiny minority of special individuals,often called influentials,who are unusually informed,persuasive,or well-connected.The idea is intuitively compelling,but it doesn't explain how ideas actually spread.The supposed importance of influentials derives from a plausible sounding but largely untested theory called the"two step flow of communication":Information flows from the media to the influentials and from them to everyone else.Marketers have embraced the two-step flow because it suggests that if they can just find and influence the influentials,those selected people will do most of the work for them.The theory also seems to explain the sudden and unexpected popularity of certain looks,brands,or neighborhoods.In many such cases,a cursory search for causes finds that some small group of people was wearing,promoting,or developing whatever it is before anyone else paid attention.Anecdotal evidence of this kind fits nicely with the idea that only certain special people can drive trends In their recent work,however,some researchers have come up with the finding that influentials have far less impact on social epidemics than is generally supposed.In fact,they don't seem to be required of all.The researchers'argument stems from a simple observing about social influence,with the exception of a few celebrities like Oprah Winfrey—whose outsize presence is primarily a function of media,not interpersonal,influence—even the most influential members of a population simply don't interact with that many others.Yet it is precisely these non-celebrity influentials who,according to the two-step-flow theory,are supposed to drive social epidemics by influencing their friends and colleagues directly.For a social epidemic to occur,however,each person so affected,must then influence his or her own acquaintances,who must in turn influence theirs,and so on;and just how many others pay attention to each of these people has little to do with the initial influential.If people in the network just two degrees removed from the initial influential prove resistant,for example,the cascade of change won't propagate very far or affect many people.Building on the basic truth about interpersonal influence,the researchers studied the dynamics of populations manipulating a number of variables relating of populations,manipulating a number of variables relating to people's ability to influence others and their tendency to be influenced.Our work shows that the principal requirement for what we call"global cascades"–the widespread propagation of influence through networks–is the presence not of a few influentials but,rather,of a critical mass of easily influenced people.32.The author suggests that the"two-step-flow theory"A.serves as a solution to marketing problemsB.has helped explain certain prevalent trendsC.has won support from influentialsD.requires solid evidence for its validity
Text 3 In his book The Tipping Point,Malcolm Gladwell argues that social epidemics are driven in large part by the acting of a tiny minority of special individuals,often called influentials,who are unusually informed,persuasive,or well-connected.The idea is intuitively compelling,but it doesn't explain how ideas actually spread.The supposed importance of influentials derives from a plausible sounding but largely untested theory called the"two step flow of communication":Information flows from the media to the influentials and from them to everyone else.Marketers have embraced the two-step flow because it suggests that if they can just find and influence the influentials,those selected people will do most of the work for them.The theory also seems to explain the sudden and unexpected popularity of certain looks,brands,or neighborhoods.In many such cases,a cursory search for causes finds that some small group of people was wearing,promoting,or developing whatever it is before anyone else paid attention.Anecdotal evidence of this kind fits nicely with the idea that only certain special people can drive trends In their recent work,however,some researchers have come up with the finding that influentials have far less impact on social epidemics than is generally supposed.In fact,they don't seem to be required of all.The researchers'argument stems from a simple observing about social influence,with the exception of a few celebrities like Oprah Winfrey—whose outsize presence is primarily a function of media,not interpersonal,influence—even the most influential members of a population simply don't interact with that many others.Yet it is precisely these non-celebrity influentials who,according to the two-step-flow theory,are supposed to drive social epidemics by influencing their friends and colleagues directly.For a social epidemic to occur,however,each person so affected,must then influence his or her own acquaintances,who must in turn influence theirs,and so on;and just how many others pay attention to each of these people has little to do with the initial influential.If people in the network just two degrees removed from the initial influential prove resistant,for example,the cascade of change won't propagate very far or affect many people.Building on the basic truth about interpersonal influence,the researchers studied the dynamics of populations manipulating a number of variables relating of populations,manipulating a number of variables relating to people's ability to influence others and their tendency to be influenced.Our work shows that the principal requirement for what we call"global cascades"–the widespread propagation of influence through networks–is the presence not of a few influentials but,rather,of a critical mass of easily influenced people.32.The author suggests that the"two-step-flow theory"
A.serves as a solution to marketing problems
B.has helped explain certain prevalent trends
C.has won support from influentials
D.requires solid evidence for its validity
B.has helped explain certain prevalent trends
C.has won support from influentials
D.requires solid evidence for its validity
参考解析
解析：文章第二段首句“the supposed…plausible sounding but largely untested theory…”以及末句“…only certain special people can drive trends”充分说明这种理论证据不够充足。而D选项正确的反应了文中的内容。A选项，原文只是提到市场营销人员接受这种“两步传播理论”，未进一步提到对它的态度，该选项属于过度推理。B选项说法过于肯定，而原文使用的是一个模糊的说法。C选项属于无中生有。
相关考题：
A young man was getting ready to gradually from college, for many months he bad 36 a beautiful sports car in a dealer’s showroom, and 37 his father could well 38 it, he told him that was all he wanted.On the morning of his gradation day his father called him into his own study and told him how 39 he was to have such a fine son. He handed his son a beautiful gift box. 40 but slightly disappointed, the young man 41 the box and found a lovely book, 42, he raised his voice at his father and said. ” 43 all your money you give me a book?” And rushed out of the house 44 the book in the studyHe did not contact（联系）his father for a whole year 45 one day he saw in the strict an old man who looked like his father. He 46 he bad to go back home and see his father.When he arrived at his father’s house, he was told that his father had been in hospital for a week. The moment he was about to 47 the hospital. he saw on the desk the 48 new book ,just as he had left it one 49 ago. he opened it and began to 50 the pages. suddenly, a car key 51 from an envelope taped behind the book ,it bad a lag（标签）with dealer’s name, the 52 dealer who had the sports car he bad 53 on the tag was the 54 of his graduation. and the 55 PAID IN FULL36. A. expected. B. enjoyed. C. admired. D. owned
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Passage 1In his book The Tipping Point,Malcolm Gladwell argues that"social epidemics"are driven in?large part by the actions of a tiny minority of special individuals,often called influentials,who are?unusually informed,persuasive,or well-connected．The idea is intuitively compelling,but it doesn′t?explain how ideas actually spread．The supposed importance of influentials derives from a plausible-sounding but largely untested?theory called the"two-step flow of communication":Information flows from the media to the?influentials and from them to everyone else．Marketers have embraced the two-step flow because it?suggests that if they can just find and influence the influentials,those selected people will do most of?the work for them．The theory also seems to explain the sudden and unexpected popularity of certain?looks,brands,or neighborhoods．In many such cases,a cursory search for causes finds that some?small group of people was wearing,promoting,or developing whatever it is before anyone else paid?attention．Anecdotal evidence of this kind fits nicely with the idea that only certain special people?can drive trends．In their recent work,however,some researchers have come up with the finding that influentials?have far less impact on social epidemics than is generally supposed．In fact,they don′t seem to be?required of all．The researchers′argument stems from a simple observation about social influence:With the?exception of a few celebrities like Oprah Winfrey--whose outsize presence is primarily a function of?media,not interpersonal,influence--even the most influential members of a population simply don′t?interact with that many others．Yet it is precisely these non-celebrity influentials who,according to?the two-step-flow theory,are supposed to drive social epidemics,by influencing their friends and?colleagues directly．For a social epidemic to occur,however,each person so affected must then?influence his or her own acquaintances,who must in turn influence theirs,and so on;and just how?many others pay attention to each of these people has little to do with the initial influential．If people?in the network just two degrees removed from the initial influential prove resistant,for example,the?cascade of change won′t propagate very far or affect many people．Building on the basic truth about interpersonal influence,the researchers studied the dynamics?of social influence by conducting thousands of computer simulations of populations,manipulating a?number of variables relating to people′s ability to influence others and their tendency to be?influenced．They found that the principal requirement for what is called"global cascades"—the?widespread propagation of influence through networks--is the presence not of a few influentials but,rather,of a critical mass of easily influenced people．What the researchers have observed recently shows that__________．查看材料A.the power of influence goes with social interactionsB.interpersonal links can be enhanced through the mediaC.influentials have more channels to reach the publicD.most celebrities enjoy wide media attention
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Passage 1In his book The Tipping Point,Malcolm Gladwell argues that"social epidemics"are driven in?large part by the actions of a tiny minority of special individuals,often called influentials,who are?unusually informed,persuasive,or well-connected．The idea is intuitively compelling,but it doesn′t?explain how ideas actually spread．The supposed importance of influentials derives from a plausible-sounding but largely untested?theory called the"two-step flow of communication":Information flows from the media to the?influentials and from them to everyone else．Marketers have embraced the two-step flow because it?suggests that if they can just find and influence the influentials,those selected people will do most of?the work for them．The theory also seems to explain the sudden and unexpected popularity of certain?looks,brands,or neighborhoods．In many such cases,a cursory search for causes finds that some?small group of people was wearing,promoting,or developing whatever it is before anyone else paid?attention．Anecdotal evidence of this kind fits nicely with the idea that only certain special people?can drive trends．In their recent work,however,some researchers have come up with the finding that influentials?have far less impact on social epidemics than is generally supposed．In fact,they don′t seem to be?required of all．The researchers′argument stems from a simple observation about social influence:With the?exception of a few celebrities like Oprah Winfrey--whose outsize presence is primarily a function of?media,not interpersonal,influence--even the most influential members of a population simply don′t?interact with that many others．Yet it is precisely these non-celebrity influentials who,according to?the two-step-flow theory,are supposed to drive social epidemics,by influencing their friends and?colleagues directly．For a social epidemic to occur,however,each person so affected must then?influence his or her own acquaintances,who must in turn influence theirs,and so on;and just how?many others pay attention to each of these people has little to do with the initial influential．If people?in the network just two degrees removed from the initial influential prove resistant,for example,the?cascade of change won′t propagate very far or affect many people．Building on the basic truth about interpersonal influence,the researchers studied the dynamics?of social influence by conducting thousands of computer simulations of populations,manipulating a?number of variables relating to people′s ability to influence others and their tendency to be?influenced．They found that the principal requirement for what is called"global cascades"—the?widespread propagation of influence through networks--is the presence not of a few influentials but,rather,of a critical mass of easily influenced people．The underlined phrase"these people"in Paragraph 4 refers to the ones who__________．查看材料A.stay outside the network of social influenceB.have little contact with the source of influenceC.are influenced and then influence othersD.are influenced by the initial influential
Passage 1In his book The Tipping Point,Malcolm Gladwell argues that"social epidemics"are driven in?large part by the actions of a tiny minority of special individuals,often called influentials,who are?unusually informed,persuasive,or well-connected．The idea is intuitively compelling,but it doesn′t?explain how ideas actually spread．The supposed importance of influentials derives from a plausible-sounding but largely untested?theory called the"two-step flow of communication":Information flows from the media to the?influentials and from them to everyone else．Marketers have embraced the two-step flow because it?suggests that if they can just find and influence the influentials,those selected people will do most of?the work for them．The theory also seems to explain the sudden and unexpected popularity of certain?looks,brands,or neighborhoods．In many such cases,a cursory search for causes finds that some?small group of people was wearing,promoting,or developing whatever it is before anyone else paid?attention．Anecdotal evidence of this kind fits nicely with the idea that only certain special people?can drive trends．In their recent work,however,some researchers have come up with the finding that influentials?have far less impact on social epidemics than is generally supposed．In fact,they don′t seem to be?required of all．The researchers′argument stems from a simple observation about social influence:With the?exception of a few celebrities like Oprah Winfrey--whose outsize presence is primarily a function of?media,not interpersonal,influence--even the most influential members of a population simply don′t?interact with that many others．Yet it is precisely these non-celebrity influentials who,according to?the two-step-flow theory,are supposed to drive social epidemics,by influencing their friends and?colleagues directly．For a social epidemic to occur,however,each person so affected must then?influence his or her own acquaintances,who must in turn influence theirs,and so on;and just how?many others pay attention to each of these people has little to do with the initial influential．If people?in the network just two degrees removed from the initial influential prove resistant,for example,the?cascade of change won′t propagate very far or affect many people．Building on the basic truth about interpersonal influence,the researchers studied the dynamics?of social influence by conducting thousands of computer simulations of populations,manipulating a?number of variables relating to people′s ability to influence others and their tendency to be?influenced．They found that the principal requirement for what is called"global cascades"—the?widespread propagation of influence through networks--is the presence not of a few influentials but,rather,of a critical mass of easily influenced people．The author suggests that the"two-step flow theory"__________．查看材料A.serves as a solution to marketing problemsB.has helped explain certain prevalent trendsC.has won support from influentialsD.requires solid evidence for its validity
Passage 1In his book The Tipping Point,Malcolm Gladwell argues that"social epidemics"are driven in?large part by the actions of a tiny minority of special individuals,often called influentials,who are?unusually informed,persuasive,or well-connected．The idea is intuitively compelling,but it doesn′t?explain how ideas actually spread．The supposed importance of influentials derives from a plausible-sounding but largely untested?theory called the"two-step flow of communication":Information flows from the media to the?influentials and from them to everyone else．Marketers have embraced the two-step flow because it?suggests that if they can just find and influence the influentials,those selected people will do most of?the work for them．The theory also seems to explain the sudden and unexpected popularity of certain?looks,brands,or neighborhoods．In many such cases,a cursory search for causes finds that some?small group of people was wearing,promoting,or developing whatever it is before anyone else paid?attention．Anecdotal evidence of this kind fits nicely with the idea that only certain special people?can drive trends．In their recent work,however,some researchers have come up with the finding that influentials?have far less impact on social epidemics than is generally supposed．In fact,they don′t seem to be?required of all．The researchers′argument stems from a simple observation about social influence:With the?exception of a few celebrities like Oprah Winfrey--whose outsize presence is primarily a function of?media,not interpersonal,influence--even the most influential members of a population simply don′t?interact with that many others．Yet it is precisely these non-celebrity influentials who,according to?the two-step-flow theory,are supposed to drive social epidemics,by influencing their friends and?colleagues directly．For a social epidemic to occur,however,each person so affected must then?influence his or her own acquaintances,who must in turn influence theirs,and so on;and just how?many others pay attention to each of these people has little to do with the initial influential．If people?in the network just two degrees removed from the initial influential prove resistant,for example,the?cascade of change won′t propagate very far or affect many people．Building on the basic truth about interpersonal influence,the researchers studied the dynamics?of social influence by conducting thousands of computer simulations of populations,manipulating a?number of variables relating to people′s ability to influence others and their tendency to be?influenced．They found that the principal requirement for what is called"global cascades"—the?widespread propagation of influence through networks--is the presence not of a few influentials but,rather,of a critical mass of easily influenced people．By citing the book The Tipping Point,the author intends to__________．查看材料A.analyze the consequences of social epidemicsB.discuss influentials'function in spreading ideasC.exemplify people's intuitive response to social epidemicsD.describe the essential characteristics ofinfluentials
Text 3 In his book The Tipping Point,Malcolm Gladwell argues that social epidemics are driven in large part by the acting of a tiny minority of special individuals,often called influentials,who are unusually informed,persuasive,or well-connected.The idea is intuitively compelling,but it doesn't explain how ideas actually spread.The supposed importance of influentials derives from a plausible sounding but largely untested theory called the"two step flow of communication":Information flows from the media to the influentials and from them to everyone else.Marketers have embraced the two-step flow because it suggests that if they can just find and influence the influentials,those selected people will do most of the work for them.The theory also seems to explain the sudden and unexpected popularity of certain looks,brands,or neighborhoods.In many such cases,a cursory search for causes finds that some small group of people was wearing,promoting,or developing whatever it is before anyone else paid attention.Anecdotal evidence of this kind fits nicely with the idea that only certain special people can drive trends In their recent work,however,some researchers have come up with the finding that influentials have far less impact on social epidemics than is generally supposed.In fact,they don't seem to be required of all.The researchers'argument stems from a simple observing about social influence,with the exception of a few celebrities like Oprah Winfrey—whose outsize presence is primarily a function of media,not interpersonal,influence—even the most influential members of a population simply don't interact with that many others.Yet it is precisely these non-celebrity influentials who,according to the two-step-flow theory,are supposed to drive social epidemics by influencing their friends and colleagues directly.For a social epidemic to occur,however,each person so affected,must then influence his or her own acquaintances,who must in turn influence theirs,and so on;and just how many others pay attention to each of these people has little to do with the initial influential.If people in the network just two degrees removed from the initial influential prove resistant,for example,the cascade of change won't propagate very far or affect many people.Building on the basic truth about interpersonal influence,the researchers studied the dynamics of populations manipulating a number of variables relating of populations,manipulating a number of variables relating to people's ability to influence others and their tendency to be influenced.Our work shows that the principal requirement for what we call"global cascades"–the widespread propagation of influence through networks–is the presence not of a few influentials but,rather,of a critical mass of easily influenced people.35.what is the essential element in the dynamics of social influence?A.The eagerness to be acceptedB.The impulse to influence othersC.The readiness to be influencedD.The inclination to rely on others
Text 3 In his book The Tipping Point,Malcolm Gladwell argues that social epidemics are driven in large part by the acting of a tiny minority of special individuals,often called influentials,who are unusually informed,persuasive,or well-connected.The idea is intuitively compelling,but it doesn't explain how ideas actually spread.The supposed importance of influentials derives from a plausible sounding but largely untested theory called the"two step flow of communication":Information flows from the media to the influentials and from them to everyone else.Marketers have embraced the two-step flow because it suggests that if they can just find and influence the influentials,those selected people will do most of the work for them.The theory also seems to explain the sudden and unexpected popularity of certain looks,brands,or neighborhoods.In many such cases,a cursory search for causes finds that some small group of people was wearing,promoting,or developing whatever it is before anyone else paid attention.Anecdotal evidence of this kind fits nicely with the idea that only certain special people can drive trends In their recent work,however,some researchers have come up with the finding that influentials have far less impact on social epidemics than is generally supposed.In fact,they don't seem to be required of all.The researchers'argument stems from a simple observing about social influence,with the exception of a few celebrities like Oprah Winfrey—whose outsize presence is primarily a function of media,not interpersonal,influence—even the most influential members of a population simply don't interact with that many others.Yet it is precisely these non-celebrity influentials who,according to the two-step-flow theory,are supposed to drive social epidemics by influencing their friends and colleagues directly.For a social epidemic to occur,however,each person so affected,must then influence his or her own acquaintances,who must in turn influence theirs,and so on;and just how many others pay attention to each of these people has little to do with the initial influential.If people in the network just two degrees removed from the initial influential prove resistant,for example,the cascade of change won't propagate very far or affect many people.Building on the basic truth about interpersonal influence,the researchers studied the dynamics of populations manipulating a number of variables relating of populations,manipulating a number of variables relating to people's ability to influence others and their tendency to be influenced.Our work shows that the principal requirement for what we call"global cascades"–the widespread propagation of influence through networks–is the presence not of a few influentials but,rather,of a critical mass of easily influenced people.31.By citing the book The Tipping Point,the author intends toA.analyze the consequences of social epidemicsB.discuss influentials'function in spreading ideasC.exemplify people's intuitive response to social epidemicsD.describe the essential characteristics of influentials.
These attempts are usually resisted by powerful people who（ ）from the status quo（社会现状）,and it is often difficult for social movement participants to use the accepted and legal means of producing social change（such as the courts and political institutions）.A.acquireB.profitC.prohibitD.succeed
Text 3 In his book The Tipping Point,Malcolm Gladwell argues that social epidemics are driven in large part by the acting of a tiny minority of special individuals,often called influentials,who are unusually informed,persuasive,or well-connected.The idea is intuitively compelling,but it doesn't explain how ideas actually spread.The supposed importance of influentials derives from a plausible sounding but largely untested theory called the"two step flow of communication":Information flows from the media to the influentials and from them to everyone else.Marketers have embraced the two-step flow because it suggests that if they can just find and influence the influentials,those selected people will do most of the work for them.The theory also seems to explain the sudden and unexpected popularity of certain looks,brands,or neighborhoods.In many such cases,a cursory search for causes finds that some small group of people was wearing,promoting,or developing whatever it is before anyone else paid attention.Anecdotal evidence of this kind fits nicely with the idea that only certain special people can drive trends In their recent work,however,some researchers have come up with the finding that influentials have far less impact on social epidemics than is generally supposed.In fact,they don't seem to be required of all.The researchers'argument stems from a simple observing about social influence,with the exception of a few celebrities like Oprah Winfrey—whose outsize presence is primarily a function of media,not interpersonal,influence—even the most influential members of a population simply don't interact with that many others.Yet it is precisely these non-celebrity influentials who,according to the two-step-flow theory,are supposed to drive social epidemics by influencing their friends and colleagues directly.For a social epidemic to occur,however,each person so affected,must then influence his or her own acquaintances,who must in turn influence theirs,and so on;and just how many others pay attention to each of these people has little to do with the initial influential.If people in the network just two degrees removed from the initial influential prove resistant,for example,the cascade of change won't propagate very far or affect many people.Building on the basic truth about interpersonal influence,the researchers studied the dynamics of populations manipulating a number of variables relating of populations,manipulating a number of variables relating to people's ability to influence others and their tendency to be influenced.Our work shows that the principal requirement for what we call"global cascades"–the widespread propagation of influence through networks–is the presence not of a few influentials but,rather,of a critical mass of easily influenced people.33.What the researchers have observed recently shows thatA.the power of influence goes with social interactionsB.interpersonal links can be enhanced through the mediaC.influentials have more channels to reach the publicD.most celebrities enjoy wide media attention
A writer who wants to convince his readers of a point of view must marshall his arguments assert the virtues of his opinions，and( )the possible protests of the opposition. A.diminish B.demonstrate C.declare D.demolish
单选题请阅读 Passage l,完成第 21~25小题。 Passage1 In his book The Tipping Point, Malcolm Gladwell argues that social epidemics are driven in largepart by the actions of a tiny minority of special individuals, often calledinfluentials, who are unusually informed, persuasive, or well-connected. Theidea is intuitively compelling, but it doesn't explain how ideas actuallyspread. The supposed importance of influentials derives from a plausible-soundingbut largely untested theory called the two-step flow ofcommunication: Information flows from the media to the influential andfrom them to everyone else. Marketers have embraced the two-step flow becauseit suggests that if they can just find and influence the influentials, those selectedpeople will do most of the work for them. The theory also seems to explain thesudden and unexpected popularity of certain looks, brands, or neighborhoods. Inmany such cases, a cursory search for causes finds that some small group ofpeople was wearing promoting, or developingwhatever it is before anyone else paid attention. Anecdotal evidence of thiskind fits nicely with the idea that only certain special people can drivetrends. In their recent work，however，some researchers have come up with the finding that influential havefar less impact on social epidemics than is generally supposed. In fact, theydon 't seem to be required of all.The researchers ' argument stems from a simple observation aboutsocial influence: With the exception of a few celebrities like OprahWinfrey-whose outsize presence is primarily a function of media, notinterpersonal, influence-even the most influential members of a populationsimply don't interact with that many others. Yet it is precisely these non-celebrityinfluentials who，according to the two-step-flow theory, are supposed to drive socialepidemics, by influencing their friends and colleagues directly. For a social epidemic to occur, however, eachperson so affected must then influence his or her own acquaintances，who must intum influence theirs, and so on; and just how many others pay attention to eachof these people has little to do with the initialinfluential. If people in the network just two degrees removed from the initialinfluential prove resistant. for example, the cascade of change won ' tpropagate very far or affect many people. Building on the basic truth aboutinterpersonal influence, the researchers studied the dynamics of social influenceby conducting thousands of computer simulations of populations, manipulating a numberof variables relating to people's ability to influence others and theirtendency to be influenced. They foundthat the principal requirement for what is called global cascades---the widespreadpropagation of influence through networks—is the presence not of a few influentials but ,rather, of a critical mass of easilyinfluenced people.What the researchers have observed recently shows that_____Athe power of influence goes with social interactionsBinterpersonal links can be enhanced through the mediaCinfluentials have more channels to reach the publicDmost celebrities enjoy wide media attention
单选题请阅读 Passage l,完成第 21~25小题。 Passage1 In his book The Tipping Point, Malcolm Gladwell argues that "social epidemics" are driven in largepart by the actions of a tiny minority of special individuals, often calledinfluentials, who are unusually informed, persuasive, or well-connected. Theidea is intuitively compelling, but it doesn't explain how ideas actuallyspread. The supposed importance of influentials derives from a plausible-soundingbut largely untested theory called the "two-step flow ofcommunication": Information flows from the media to the influential andfrom them to everyone else. Marketers have embraced the two-step flow becauseit suggests that if they can just find and influence the influentials, those selectedpeople will do most of the work for them. The theory also seems to explain thesudden and unexpected popularity of certain looks, brands, or neighborhoods. Inmany such cases, a cursory search for causes finds that some small group ofpeople was wearing promoting, or developingwhatever it is before anyone else paid attention. Anecdotal evidence of thiskind fits nicely with the idea that only certain special people can drivetrends. In their recent work，however，some researchers have come up with the finding that influential havefar less impact on social epidemics than is generally supposed. In fact, theydon 't seem to be required of all.The researchers ' argument stems from a simple observation aboutsocial influence: With the exception of a few celebrities like OprahWinfrey-whose outsize presence is primarily a function of media, notinterpersonal, influence-even the most influential members of a populationsimply don't interact with that many others. Yet it is precisely these non-celebrityinfluentials who，according to the two-step-flow theory, are supposed to drive socialepidemics, by influencing their friends and colleagues directly. For a social epidemic to occur, however, eachperson so affected must then influence his or her own acquaintances，who must intum influence theirs, and so on; and just how many others pay attention to eachof these people has little to do with the initialinfluential. If people in the network just two degrees removed from the initialinfluential prove resistant. for example, the cascade of change won ' tpropagate very far or affect many people. Building on the basic truth aboutinterpersonal influence, the researchers studied the dynamics of social influenceby conducting thousands of computer simulations of populations, manipulating a numberof variables relating to people's ability to influence others and theirtendency to be influenced. They foundthat the principal requirement for what is called "global cascades"---the widespreadpropagation of influence through networks—is the presence not of a few influentials but ,rather, of a critical mass of easilyinfluenced people.By citing the book The Tipping Point, the author intends to_____Aanalyze the consequences of social epidemicsBdiscuss influentials ' function in spreading ideasCexemplify people ' s intuitive response to social epidemicsDdescribe the essential characteristics of influential
单选题（） shall be provided to every oil tanker of 150 tons gross tonnage and above to record relevant machinery space and cargo/ballast operations.AOil Record Book Part ⅠBOil Record Book Part ⅡCOil Record Book Part Ⅰ or Part ⅡDOil Record Book Part Ⅰ and Part Ⅱ
单选题请阅读 Passage l,完成第 21~25小题。 Passage1 In his book The Tipping Point, Malcolm Gladwell argues that "social epidemics" are driven in largepart by the actions of a tiny minority of special individuals, often calledinfluentials, who are unusually informed, persuasive, or well-connected. Theidea is intuitively compelling, but it doesn't explain how ideas actuallyspread. The supposed importance of influentials derives from a plausible-soundingbut largely untested theory called the "two-step flow ofcommunication": Information flows from the media to the influential andfrom them to everyone else. Marketers have embraced the two-step flow becauseit suggests that if they can just find and influence the influentials, those selectedpeople will do most of the work for them. The theory also seems to explain thesudden and unexpected popularity of certain looks, brands, or neighborhoods. Inmany such cases, a cursory search for causes finds that some small group ofpeople was wearing promoting, or developingwhatever it is before anyone else paid attention. Anecdotal evidence of thiskind fits nicely with the idea that only certain special people can drivetrends. In their recent work，however，some researchers have come up with the finding that influential havefar less impact on social epidemics than is generally supposed. In fact, theydon 't seem to be required of all.The researchers ' argument stems from a simple observation aboutsocial influence: With the exception of a few celebrities like OprahWinfrey-whose outsize presence is primarily a function of media, notinterpersonal, influence-even the most influential members of a populationsimply don't interact with that many others. Yet it is precisely these non-celebrityinfluentials who，according to the two-step-flow theory, are supposed to drive socialepidemics, by influencing their friends and colleagues directly. For a social epidemic to occur, however, eachperson so affected must then influence his or her own acquaintances，who must intum influence theirs, and so on; and just how many others pay attention to eachof these people has little to do with the initialinfluential. If people in the network just two degrees removed from the initialinfluential prove resistant. for example, the cascade of change won ' tpropagate very far or affect many people. Building on the basic truth aboutinterpersonal influence, the researchers studied the dynamics of social influenceby conducting thousands of computer simulations of populations, manipulating a numberof variables relating to people's ability to influence others and theirtendency to be influenced. They foundthat the principal requirement for what is called "global cascades"---the widespreadpropagation of influence through networks—is the presence not of a few influentials but ,rather, of a critical mass of easilyinfluenced people.The author suggests that the "two-step flow theory"____Aserves as a solution to marketing problemsB .has helped explain certain prevalent trendsBhas won support from influentialsCrequires solid evidence for its validity
单选题The lecturer wandered from his text to _____ on a point that had obviously caught his audience's interest.AelaborateBinterruptCexplainDstress
单选题请阅读 Passage l,完成第 21~25小题。 Passage1 In his book The Tipping Point, Malcolm Gladwell argues that "social epidemics" are driven in largepart by the actions of a tiny minority of special individuals, often calledinfluentials, who are unusually informed, persuasive, or well-connected. Theidea is intuitively compelling, but it doesn't explain how ideas actuallyspread. The supposed importance of influentials derives from a plausible-soundingbut largely untested theory called the "two-step flow ofcommunication": Information flows from the media to the influential andfrom them to everyone else. Marketers have embraced the two-step flow becauseit suggests that if they can just find and influence the influentials, those selectedpeople will do most of the work for them. The theory also seems to explain thesudden and unexpected popularity of certain looks, brands, or neighborhoods. Inmany such cases, a cursory search for causes finds that some small group ofpeople was wearing promoting, or developingwhatever it is before anyone else paid attention. Anecdotal evidence of thiskind fits nicely with the idea that only certain special people can drivetrends. In their recent work，however，some researchers have come up with the finding that influential havefar less impact on social epidemics than is generally supposed. In fact, theydon 't seem to be required of all.The researchers ' argument stems from a simple observation aboutsocial influence: With the exception of a few celebrities like OprahWinfrey-whose outsize presence is primarily a function of media, notinterpersonal, influence-even the most influential members of a populationsimply don't interact with that many others. Yet it is precisely these non-celebrityinfluentials who，according to the two-step-flow theory, are supposed to drive socialepidemics, by influencing their friends and colleagues directly. For a social epidemic to occur, however, eachperson so affected must then influence his or her own acquaintances，who must intum influence theirs, and so on; and just how many others pay attention to eachof these people has little to do with the initialinfluential. If people in the network just two degrees removed from the initialinfluential prove resistant. for example, the cascade of change won ' tpropagate very far or affect many people. Building on the basic truth aboutinterpersonal influence, the researchers studied the dynamics of social influenceby conducting thousands of computer simulations of populations, manipulating a numberof variables relating to people's ability to influence others and theirtendency to be influenced. They foundthat the principal requirement for what is called "global cascades"---the widespreadpropagation of influence through networks—is the presence not of a few influentials but ,rather, of a critical mass of easilyinfluenced people.The underlined phrase "these people" in Paragraph 4 refers to the ones who____Astay outside the network of social influenceBhave little contact with the source of influenceCare influenced and then influence othersDare influenced by the initial influential
单选题Now about half of the women who work in social welfare are part-time, as compared to 38% in the private sector.AguaranteeBfarewellCwell-offDwell-being