单选题While watching television, ______.Athe doorbell rangBthe doorbell ringsCwe heard the doorbell ringDwe heard the doorbell rings
单选题
While watching television, ______.
A
the doorbell rang
B
the doorbell rings
C
we heard the doorbell ring
D
we heard the doorbell rings
参考解析
解析：
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Children in the United States are exposed to many influences other than that of their families. Television is the most significant of these influences, because the habit of watching television usually begins before children start attending school.Parents are concerned about the lack of quality in television programs for children. The degree of violence in many of these shows also worries them. Studies indicate that, when children are exposed to violence, they may become aggressive or insecure.Parents are also concerned about the commercials (商业广告) that their children see on television. Many parents would like to see fewer commercials during programs for children. And some parents feel that these shows should not have any commercials at all because young minds are not mature enough to deal with the claims made by advertisers.Educational television has no commercials and has programs for children that many parents approve of. The most famous of these is Sesame Street, which tries to give preschool children a head start in learning the alphabet (字母) and numbers. It also tries to teach children useful things about the world in which they live.Even though most parents and educators give Sesame Street and shows like it high marks for quality, some critics argue that all television, whether educational or not, is harmful to children. These critics feel that the habit of watching hours of television every day turns children into bored and passive (被动的) consumers of their world rather than encouraging them to become active explorers of it1). Which of the following statements is not based on the passage?A. Parents are worried about the influence from television on their children.B. Television has much influence on children.C. Both parents and their children like watching educational television.D. Some critics think that television is no good for children.2). In what ways do children suffer from television?A. They become the victims of social violence.B. They spend hours watching television instead of doing school work.C. The programs make the children lose interest in the world.D. The programs make the children spend too much of their parents’ money.3). Parents would not like their children to see commercials because ______A. they think that their children are not old enough to handle advertisingB. commercials teach children alphabet and numbersC. commercials help to sell productsD. they don’t like commercials4). Educational television is widely appreciated because _____A. it does have the same commercials as othersB. it offers programs for both children and their parentsC. many parents like the programs it offers for their childrenD. children can learn some school subjects before they go to school5). Which of the following can best serve as the title of the passage?A. Watching Too Much Television Is Harmful to Young Minds.B. Television Is More Harmful than Educational.C. Television’s Influence on Children.D. More Education Television.
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Back in the old days, when I was a child, we sat around the family round table at dinnertime and exchanged our daily experiences. It wasn't very organized, but everyone was recognized and all the news that had to be told was told by each family member.We listened to each other and the interest was not put-on; it was real. Our family was a unit and we supported each other, and nurtured each other, and liked each other, and--we were even willing to admit--we loved each other.Today, the family round table has moved to the local fast-food restaurant and talk is not easy,much less encouraged.Grandma, who used to live upstairs, is now the voice on long distance, and the working parent is far too beaten down each day to spend evening relaxation time listening to the sandbox experience of an eager four-year-old.So family conversation is as extinct as my old toys and parental questions such as "What have you been doing, Bobby? " have been replaced by "I'm busy, go watch television. "And watch TV they do; count them by the millions.But it's usually not children's television that children watch. Saturday morning, the children's hour, amounts to only about 8 percent of their weekly viewing.Where are they to be found? Watching adult television, of course, from the Match Game in the morning, to the afternoon at General Hospital, from the muggings and battles on the evening news right through the family hour and past into Starsky and Hutch. That's where you find our kids, over five million of them, at 10 p.m., not fewer than a million until after midnight! All of this is done with parental permission.Television, used well, can provide enriching experiences for our young people, but we must use it with some sense. When the carpet is clean, we turn off the vacuum cleaner. When the dishes are clean, the dishwasher turns itself off.Not so the television, which is on from the sun in the morning to the moon at night and beyond !Parents must exercise some control and show some concern about the cultural influence on the child whena program not intended for that child is viewed.Parents need to intervene.Nonintervention may be a wise policy in international affairs,but the results of parental nonintervention will not be wise at all.According to the writer, the responsibility for the kid's watching adult television and watching it for a long time should be undertaken by__________.A.the television stationsB.the societyC.TV programsD.their parents
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When we analyze the salt salinity (盐浓度) of ocean waters, we find that it varies only slightly from place to place． Nevertheless, some of these small changes are important． There are three basic processes that cause a change in oceanic salinity． One of these is the subtraction of water from the ocean by means of evaporation． In this manner, the salinity is increased, since the salt stays behind． If this is carried to the extreme, of course, white salt would be left behind ; this, by the way,is how much of the table salt we use is actually obtained． The opposite of evaporation is precipitation, such as rain, by which water is added to the ocean． Here the ocean is being diluted so that the salinity is decreased． This may occur in areas of high rainfall or in coastal regions where rivers flow into the ocean． Thus salinity may be increased by the subtraction of water by evaporation, or decreased by the addition of fresh water by precipitation． Normally, in hot regions where the sun is very strong, the ocean salinity is somewhat higher than it is in other parts of the world where there is not as much evaporation． similarly, in coastal． Grandma, who used to live upstairs, is now the voice on long distance, and the working parent is far too beaten down each day to spend evening relaxation time listening to the sandbox experience of an eager four-year-old． So family conversation is as extinct as my old toys and parental questions such as "What have you been doing, Bobby? " have been replaced by "I 'm busy, go watch television． And watch TV they do; count them by the millions． But it's usually not children's television that children watch． Saturday morning, the children's hour, amounts to only about 8 percent of their weekly viewing． Where are they to be found?Watching adult television, of course, from the Match Game in the morning, to the afternoon at General Hospital, from the muggings and battles on the evening news right through the family hour and past into Starsky and Hutch． That's where you find our kids, over five million of them, at 10 p．m．, not fewer than a million until after midnight! All of this is done with parental permission． Television, used well, can provide enriching experiences for our young people, but we must use it with some sense． When the carpet is clean, we turn off the vacuum cleaner． When the dishes are clean, the dishwasher turns itself off． Not so the television, which is on from the sun in the morning to the moon at night and beyond! Parents must exercise some control and show some concern about the cultural influence on the child when a program not intended for that child is viewed． Parents need to intervene． Nonintervention may be a wise policy in international affairs, but the results of parental nonintervention will not be wise at alL． According to the writer, the responsibility for the kid's watching adult television and watching it for a long time should be undertaken by _____A. the television stationsB. the societyC. TV programsD. their parents
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