2022高考英语阅读理解基础全程训练(7).doc
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1、2014高考英语阅读理解基础全程训练(7)及答案较难题目特训:科普知识类阅读下面短文,掌握其大意,从每题所给的A、B、C、D四个选项中,选出最佳选项,并在答题卡上将该项涂黑。Like distance runners on measured course, all of us will move through time in a roughly predictable pattern. In the first stage of our lives, we develop and grow, reaching toward the top of physical vitality (ener
2、gy). After we grow up, however, the body begins a process of gradually wearing out. A new awareness of physical fitness may help lengthen our years of health and vitality, yet nothing we do will work to stop the unavoidable force of aging. Most of the changes of aging take place deep inside the body
3、. The lungs become less able to take in oxygen. Powerful muscles gradually lose their strength. The heart loses power and pumps less blood. Bones grow easier to break. Finally, we meet a stress, a stress that is greater than our physical resistance. Often, it is only a minor accident or chance infec
4、tion (a disease caused by virus), but this time, it brings life to an end. In 1932, a classic experiment nearly doubled the lifetime of rats, simply by cutting back the calories (unit for measuring the energy value of food)in their diet. The reason for the effect was then unknown. Today, at the Univ
5、ersity of California at Berkley, Dr. Paul Seagle has also greatly lengthened the normal lifetime of rats. The result was achieved through a special protein (蛋白质)limited diet, which had a great effect on the chemistry of the brain. Seagle showed that within the brain, specific chemicals control many
6、of the signals that influence aging. By changing that chemical balance, the clock of aging can be reset. For the first time, the mystery (something that is difficult to understand or to explain)of why we age is being seriously challenged. Scientists in many fields are now making striking and far-rea
7、ching discoveries. An average lifetime lasts 75 years, yet in each of us lies a potential for a longer life. If we could keep the vitality and resistance to disease that we have at twenty, we would live for 800 years. 1. What does the underlined word “it”refer to? A. Physical vitality.B. Stress.C. A
8、ging.D. Physical resistance. 2. The author believes the following EXCEPT that _.A. humans life pattern is predictableB. physical fitness cant stop the force of agingC. humans lifetime will last longer than 75 yearsD. all of the changes of aging take place deep inside the body3. How did Dr Paul Seagl
9、e lengthen the lifetime of rats in his experiment? A. By limiting the protein in their diet. B. By cutting the calories in their diet. C. By resetting their clock of aging. D. By keeping their physical fitness. 4. What is probably the best title for the article? A. Two Great Experiments. B. The Myst
10、ery of Human Life. C. Ways to Lengthen Human Life. D. The Breakthrough in the Study of Aging. 【参考答案】11.BDAD 阅读理解-A NOT all memories are sweet. Some people spend all their lives trying to forget bad experiences. Violence and traffic accidents can leave people with terrible physical and emotional scar
11、s. Often they relive these experiences. Now American researchers think they are close to developing a pill, which will help people forget bad memories. The pill is designed to be taken immediately after a frightening experience. They hope it might reduce , or possibly erase(抹去), the effect of painfu
12、l memories. In November, experts tested a drug on people in the US and France. The drug stops the body releasing chemicals that fix memories in the brain. So far the research has suggested that only the emotional effects of memories may be reduced, not that the memories are erased. The research has
13、caused a great deal of argument. Some think it is a bad idea, while others support it. Supporters say it could lead to pills that prevent or treat soldiers troubling memories after war. They say that there are many people who suffer from terrible memories. Some memories can ruin peoples lives . They
14、 come back to you when you dont want to have them in a daydream or nightmare. They usually come with very painful emotions, said Roger Pitman, a professor of psychiatry at Harvard Medical School. This could relieve a lot of that suffering. But those who are against the research say that changing mem
15、ories is very dangerous because memories give us our identity (特质). They also help us all avoid the mistakes of the past. All of us can think of bad events in our lives that were horrible at the time but make us who we are. Im not sure we want to wipe those memories out, said Rebecca Dresser, a medi
16、cal ethicist(论理学家).Some people fear that although the drug would first be uesed in only very serious cases, it would become more and more common. “ People always have the ability to misuse science,” said Joseph Le Doux, a New York University memory researcher.” All we want to do is to help people ha
17、ve better control of memories.”1. Whats the main idea of this passage? A People often suffer from bad memories. B American researchers are trying to develop a pill. C Forget bad memories, and be happy. D The researh has caused a heated argument.答案解析:答案为D。本题为主旨大意题。第一段引出话题人们想忘记痛苦的回忆,第二、三段介绍科学家研究可以消除痛苦
18、回忆的药物,该研究引起了人们的激烈争论,有人支持,有人反对,文章的重心着重于人们的争论,文章的大意就是“研究引起了激烈的争论”。 故答案为D。2. The underlinded word “ it “ in Para 4 refers to _A the new drug B the research into the drugC the bad memory D the chemical drug答案解析:答案为B。本题为词义推理题。结合划线的 “it” 出现的语境 “The research has caused a great deal of argument. Some think
19、it is a bad idea, while others support it.” 可以推断,“it”指代的是“the research”,再结合前面第二、三段的内容可知,“it”指代的是对药物的研究,故答案为B。3. Which of the opinions is NOT the opinion of the supporters?A The pill can erase all the memories of the pastB Some memories can ruin peoples lives. The pill can relieve emotional suffering
20、.C The pill can also help many other types of people who suffer from terrible memories.D The pill can prevent or treat troubling memories in soldiers after war.答案解析:答案为A。 本题为细节题。由第四段 “Supporters say it could lead to pills that prevent or treat soldiers troubling memories after war. They say that the
21、re are many people who suffer from terrible memories.” 和第五段 “Some memories can ruin peoples lives . They come back to you when you dont want to have them in a daydream or nightmare. They usually come with very painful emotions,” 可知,B、C、D选项是支持者的意见。 A选项 “药物可以抹去所有过去的回忆”表达有误。故答案为A。4. Which of the opinio
22、n is not the opinion of the opponents? A Our memories give us our identity.B The memories help human avoid mistakes of the past.C The drug should be used in only very serious cases.D People may not be sure whether they want to wipe the memories out.答案解析:答案为C。本题为细节题。由第六、七段可知,A、B、D选项都是反对者的意见。由最后一段首句 “
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