Human‘s brains are larger in proportion to their bodies than_______．A.whalesB.a whaleC.that of whalesD.those of whales
Human‘s brains are larger in proportion to their bodies than_______．
A.whales
B.a whale
C.that of whales
D.those of whales
B.a whale
C.that of whales
D.those of whales
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The author mentions the old RomansA． to compare the old Romans with today' s people___________B． to give an exampleC． to show human beings in the past knew nothing betterD． to indicate human beings used to be bloodthirsty
189. What will man be like in the future—in 5,000 or even 50,000 years from now? We can only make a guess, of course, but we can be sure that he will be different from what he is today. For man is slowly changing all the time. Let us take an obvious example. Man, even five hundred years ago, was shorter than he is today. Now, on average, men are about three inches taller. Five hundred years is a relatively short period of time, so we may assume that man will continue to grow taller. Again, in the modern world we use our brains a great deal. Even so, we still make use of only about 20% of the brain’s capacity. As time goes on, however, we shall have to use our brains more and more—and eventually we shall need larger ones. This is likely to bring about a physical change too: the head, in particular the forehead, will grow larger. Nowadays our eyes are in constant use. In fact, we use them so much that very often they become weaker and we have to wear glasses. But over a very long period of time it is likely that man’s eyes will grow stronger. On the other hand, we tend to make less use of our arms and legs. These, as a result, are likely to grow weaker. At the same time, however, our fingers will grow more sensitive because they are used a great deal in modern life. But what about hair? This will probably disappear from the body altogether in course of time because it does not serve a useful purpose any longer. In the future, then, both sexes are likely to be bald. Perhaps all this gives the impression that future man will not be a very attractive creature to look at. This may well be true. All the same, in spite of all these changes, future man will still have a lot in common with us. He will still be a human being, with thoughts and emotions similar to our own. [共5题](1) Future man is likely to be different from us ________.(A) in quite a few ways (B) in almost every way(C) in great many ways (D) in one or two ways(2) The reason for believing that future man will be different is that man ________.(A) began to change five hundred years ago(B) never stops changing(C) never stops growing(D) has recently begun to change(3) People’s heads will eventually grow larger. This is because their brains ________.(A) will grow faster than at present(B) will need more room than at present(C) will play an important part(D) will be in constant use(4) Future man will probably ________.(A) have bigger eyes (B) get weaker eyes(C) see better (D) have to wear better glasses(5) Future man’s hair will ________.(A) grow darker (B) stop growing completely(C) fall out more often (D) get longer
On which of the following statements would the author most probably agree?[A] Non-Americans add to the average height of the nation.[B] Human height is conditioned by the upright posture.[C] Americans are the tallest on average in the world.[D] Larger babies tend to become taller in adulthood.
The best statement of the main idea of this passage is that ______.A. human brains differ considerablyB. the brain a person is born with is important in determining his intelligenceC. environment is crucial in determining a person's intelligenceD. a person who is handicapped environmentally will never attain the level of intelligence of which he is capable
That's something you can improve by talking to human _______ . A courses ;B resources ;C sources
Human resource management is the management of human resources.It is function in organizations designed to maximize employee ( ) in service of an employer's strategic objectives.A.workB.jobC.scopeD.performance
Human resource management is the management of human resources. It is a function in organization designed to maximize employee （ ）in service of an employer’s strategic objectives.A.workB. joB. C.scopeD.performance
There are two factors which determine an individual's intelligence． The first is the sort of brain he is born with． Human brains differ considerably, some being more capable than others． But no matter how good a brain he has to begin with, an individual will have a low order of intelligence unless he has opportunities to learn． So the second factor is what happens to the individual--the sort of environment in which he is brought up． If an individual is handicapped environmentally, it is likely that his brain will fail to develop and he will never attain the level of intelligence of which he is capable．Theimportanceofenvironmentindetermininganindividual'sintelligencecanbe?demonstrated by the case history of the identical twins, Peter and Mark． Being identical, the twins had identical brains at birth, and their growth processes were the same． When the twins were three months old, their parents died, and they were placed in separate foster homes． Peter was raised by parents of low intelligence in an isolated community with poor educational opportunities． Mark was reared in the home of well-to-do parents who had been to college． He was read to as a child, sent to good schools, and given every opportunity to be stimulated intellectually． This environmental difference continued until the twins were in their late teens, when they were given tests to measure their intelligence． Mark's LQ． was 125, twenty-five points higher than the average and fully forty points higher than his identical brother． Given equal opportunities, the twins, having identical brains, would have tested at roughly the same level．?The best statement of the main idea of this passage is that__________．A.human brains differ considerablyB.the brain a person is born with is important in determining his intelligenceC.environment is crucial in determining a person's intelligenceD.persons having identical brains will have roughly the same intelligence
共用题干第一篇Genetic EngineeringGenetic engineering began when the DNA molecule（分子）,the most basic unit of life , was first described in 1953 by James Watson and Francis Crick.An understanding of DNA led to the altering of normal cell reproduction.Experiments with altering human cells began in 1970.In one of the first experiments,patients were injected with a virus that would produce a life-saving enzyme,but their bodies would not accept it.In 1980 patients with a rare but fatal blood disease were injected with a purified gene that was cloned through DNA technology.Another failure.Genetic engineering got a legal boost（激励）in 1980. The U. S. Supreme Court said that a patent couldbe granted on a genetically engineered "oil-eating" bacterium（细菌）.This bacterium would help clean up oil spills.The ruling encouraged companies to invent new life forms,and three important medical products were quickly developed.1.Human interferon（干扰素）—a possible solution to some cancers and viral diseases.A newly engineered bacterium produced human interferon as a by-product. This new product reduced the cost of interferon.2. Human growth hormone（荷尔蒙）一for children whose bodies do not grow to normal height. An expensive growth hormone was previously produced from human cadavers,but by changing the genetic make- up of the single-cell bacterium E.coli,and affordable growth hormone could be produced.3. Human insulin（胰岛素）一for the treatment of diabetes. People with diabetes used to rely on a beef- or-pork-based product until 1982.Now insulin can be manufactured by genetically altered bacteria.Advances in genetic engineering have continued,though they constantly must be weighed against the safety of procedures.There is clearly much more to discover.According to the passage, human interferon__________.A:is a hormone that causes diseaseB:could be used to treat cancerC:is a viral diseaseD:has been cured
共用题干第一篇Genetic EngineeringGenetic engineering began when the DNA molecule（分子）,the most basic unit of life , was first described in 1953 by James Watson and Francis Crick.An understanding of DNA led to the altering of normal cell reproduction.Experiments with altering human cells began in 1970.In one of the first experiments,patients were injected with a virus that would produce a life-saving enzyme,but their bodies would not accept it.In 1980 patients with a rare but fatal blood disease were injected with a purified gene that was cloned through DNA technology.Another failure.Genetic engineering got a legal boost（激励）in 1980. The U. S. Supreme Court said that a patent couldbe granted on a genetically engineered "oil-eating" bacterium（细菌）.This bacterium would help clean up oil spills.The ruling encouraged companies to invent new life forms,and three important medical products were quickly developed.1.Human interferon（干扰素）—a possible solution to some cancers and viral diseases.A newly engineered bacterium produced human interferon as a by-product. This new product reduced the cost of interferon.2. Human growth hormone（荷尔蒙）一for children whose bodies do not grow to normal height. An expensive growth hormone was previously produced from human cadavers,but by changing the genetic make- up of the single-cell bacterium E.coli,and affordable growth hormone could be produced.3. Human insulin（胰岛素）一for the treatment of diabetes. People with diabetes used to rely on a beef- or-pork-based product until 1982.Now insulin can be manufactured by genetically altered bacteria.Advances in genetic engineering have continued,though they constantly must be weighed against the safety of procedures.There is clearly much more to discover.This passage is mainly about_________.A:the effects of altering cellsB:the human growth hormoneC:insulin resistanceD:U.S.Supreme Court rulings
（ ）makes computers able to do jobs which till now, only human brains can do. A.Artificial intelligenceB.Big dataC.Cloud computingD.Internet of things
There are two factors which determine an individual's intelligence. The first is the sort of brain he is born with. Human brains differ considerably, some being more capable than others. But no matter how good a brain he has to begin with, an individual will have a low order of intelligence unless he has opportunities to learn. So the second factor is what happens to the individual—the sort of environment in which he is reared. If an individual is handicapped envionmentally ,it is likely that his brain will fail to develop and he will never attain the level of intelligence of which he is capable.The importance of environment in determining an individual's intellingence can be demonstrated by the case history of the identical twins, Peter and Mark X. Being identical, the twins had identical brains at birth, and their growth processes were the same. When the twins were three months old , their parents died, and they were placed in separate foster homes. Peter was reated by parents of low intelligence in an isolatedcommunity with poor educational pooprtunities.Mark was reared inthe home of well-to-do parents who had been to college. He was read to as a child , sent to good schools, and given every opportunity to be stimulated intellectually.This enviromental difference continued until the twins were in their late teens, when they were giben tesets to measure their intelligence. Mark's I.Q. was 125, twenty-five points higher than the average and fully forty points higher than his identical brother. Given equal opportunities , the twins , having identical brains,would have tested at roughly the same level.The beststatement of the main idea of this passage is that _C____.a.human brains differ considerablyb.the brain a person is born with is improtant in determining his intelligencec.environment is crucial in determining a person's intelligenced. persons having identical brains will have roughly the same intelligence
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A person's wealth is often in inverse proportion to their happiness.A:equal B:oppositeC:certain D:large
Nowhere are the realities of______climate change more apparent than at Earth's thawing poles.A.human-drivingB.human-driveC.human-drivenD.human-drived
The brain’s neurological specialization for language is called linguistic I （）， which is specific to human beings.
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填空题Astrology is based on the conviction that the patterns the heavenly bodies form can tell a person’s character or future.____
单选题A person’s wealth is often in inverse proportion to their happiness.AequalBcertainClargeDopposite
单选题The best statement of the main idea of this passage is that _____.Ahuman brains differ considerablyBthe brain a person is born with is important in determining his intelligenceCenvironment is crucial in determining a person’s intelligenceDpersons having identical brains will have roughly the same intelligence
单选题We can infer from this passage that the new technology _____.Amay not guarantee people a daughter or a son as they desireBis used by most families for non-medical reasonsChas brought an insoluble ethical dilemma for mankindDwill lead to a larger proportion of females in the population
单选题One problem of using pig organs on humans is ______.Athe size of the pig organs.Bthe quick rejection of the transplant by human bodies.Cthe speed of their maturity.Dthe technical complexity of the operational process.
单选题Which of the following is true of the heating system of the Johnstown campus?AThe heat is supplied by human bodies only.BThe heat is supplied by both human bodies and other heat-emitting objects.CThe heat is supplied by both human bodies and conventional fuel.DThe heat is supplied by human bodies, other heat-emitting objects, and conventional fuel.
单选题The evidence of electrical activity and other changes in brain cells after the outside stimulus has been got by observing.Aexposed cat brainsBthe human brainsCcat brains and the human brainsDexposed cat brains and the human brains
单选题Which of the following statements is NOT true?AThe increase in blood masked some of the subtle changes.BIt took three seconds after an event for the flow of blood to increase to an area of the brain.CThe body’s reaction was like watering the entire garden for the sake of one thirsty flower.DResearchers will use new methods to study human brains because of the limit of conventional imaging techniques.
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