6月大学英语四级阅读练习、答案（精选3套）
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6月大学英语四级阅读练习、答案 1
Not all sounds made by animals serve as language, and we have only to turn to that extraordinary discovery of echolocation (回声定位) in bats to see a case in which the voice plays a strictly practical role.
To get a full appreciation of what this means we must turn first to some recent human inventions. Everyoneknows that if he shouts near a wall or a mountainside, an echo will come back. The further off this solid obstacle, the longer time it will take for the return of the echo. A sound made by tapping on the main body of a ship will be reflected from the sea bottom, and by measuring the time interval between the taps andthe receipt of the echoes the depth of the sea at that point can be calculated. So was born the echo-sounding equipment, now in general use in ships. Every solid object will reflect a sound, varying according to the size and nature of the object. A shoal of fish will do this. So it is a comparatively simple step fromlocating the sea bottom to locating a shoal of fish. With experience, and with improved equipment, it is now possible not only to locate fish but to tell if it is herring, cod, or other well-known fish, by the pattern of its echo.
A few years ago it was found that certain bats emit squeaks (吱吱声) and by receiving ’he echoes they could locate and steer clear of obstacles--or locate flying insects on which they feed. This echolocation in bats is often compared with radar, the principle of which is similar.
练习题：
Choose correct answers to the question:
1.The main purpose of this passage is to ______.
A. describe that animals can make different sounds
B. prove that animals’ voices can play practical roles
C. inspire the readers to make more inventions
D. startle the readers with some shocking facts
2. The discovery of echolocation may help with all of the following EXCEPT
A. measuring the depth of the sea
B. distinguishing different kinds of fish
C. improving the functions of radaar
D. varying the size and nature of an object
3. By saying "A shoal of fish will do this"(Lines 6-7, Para. 2), the author means ________.
A. only one special kind of fish can reflect sounds
B. only one special kind of fish can be used to help locate a ship
C. a large group of fish can reflect sounds
D. a large group of fish can be used to help locate a ship
4. As it is discussed in the passage, the squeaks of bats can be functionally compared with ________.
A. human languages
B. a mountainside
C. a shoal of fish
D. taps on a ship
5. Which of the following statements can be inferred from the passage?
A. Animals are more intelligent than humans.
B. Humans are more intelligent than animals.
C. Animals are often compared with human inventions.
D. Humans are often inspired by animals.
1.[B] 主旨大意题。文章第1段就点明主题，明确指出以蝙蝠为例，动物发出的声音有实际作用，只有B可以概括文章的这个写作目的。
2.[C] 事实细节题。本题考査列举处，可用排除法解答。A、B、C在文中都有相关提及。D利用第2段中的varying制造干扰。在原文中，指的是回声因障碍物的不同而不同，而D偷换概念、曲解文意，D中的varying为及物动词，意为“改变”,显然不可能是回声定位的发现带来的功效。
3.[C] 词义推断题。本题考查对shoal的词义推测及代词this的理解。依据第2段最后几句话,可推测出a shoal of fish指的.是“海里的一群鱼”;this则是指上一句提到的“任何固体都可以反射声音”，因此这句话表明一大群鱼就能像一个固体一样反射声音。
4.[D] 推理判断题。根据最后一段可知，蝙蝠发出吱吱声可以探测障碍物的距离，而第2段也指出轻敲船体可测知海底的距离，因此在功能上,D与蝙蝠的吱吱声相同。A中的human languages在文中未提到;B和C在文中各自的例子中充当的都是障碍物的角色，因此都不正确。
5.[D] 推理判断题。文章先说动物的回声定位功能,再说到回声定位探测仪的发明,由此可见，是动物的某些能力启发了人类的创造，因此只有D可从文中推测。文章并没有从智力方面比较人类和动物，因此可以排除A 和B;尽管文章说到了蝙蝠和雷达的原理相似，但是C中的often一词无据可循，且C的说法浮于表面，没有说到重点，故排除。
6月大学英语四级阅读练习、答案 2
The decline in moral standardswhich has long concerned social analystshas at last captured the attention of average Americans. And Jean Bethke Elshtain, for one, is glad.
The fact the ordinary citizens are now starting to think seriously about the nations moral climate, says this ethics (伦理学) professor at the University of Chicago, is reason to hope that new ideas will come forward to improve it.
But the challenge is not to be underestimated. Materialism and individualism in American society are the biggest obstacles. The thought that Im in it for me has become deeply rooted in the national consciousness, Ms. Elshtain says.
Some of this can be attributed to the disintegration of traditional communities, in which neighbors looked out for one another, she says. With todays greater mobility and with so many couples working, those bonds have been weakened, replaced by a greater emphasis on self.
In a 1996 poll of Americans, loss of morality topped the list of the biggest problems facing the U.S. and Elshtain says the public is correct to sense that: Data show that Americans are struggling with problems unheard of in the 1950s, such as classroom violence and a high rate of births to unmarried mothers.
The desire for a higher moral standard is not a lament (挽歌) for some nonexistent golden age, Elshtain says, nor is it a wishful (一厢情愿的) longing for a time that denied opportunities to women and minorities. Most people, in fact, favor the lessening of prejudice.
Moral decline will not be reversed until people find ways to counter the materialism in society, she says. Slowly, you recognize that the things that matter are those that cant be bought.
36. Professor Elshtain is pleased to see that Americans ________.
(A) have adapted to a new set of moral standards
(B) are longing for the return of the good old days
(C) have realized the importance of material things
(D) are awakening to the lowering of their moral standards
37. The moral decline of American society is caused manly by ________.
(A) its growing wealth
(B) the self-centeredness of individuals
(C) underestimating the impact of social changes
(D) the prejudice against women and minorities
38. Which of the following characterizes the traditional communities
(A) Great mobility.
(B) Concern for ones neighbors.
(C) Emphasis on individual effort.
(D) Ever-weakening social bonds.
39. In the 1950s, classroom violence ________.
(A) was something unheard of
(B) was by no means a rare occurrence
(C) attracted a lot of pubic attention
(D) began to appear in analysts data
40. According to Elshtain, the current moral decline may be reversed ________.
(A) if people can return to the golden age
(B) when women and mean enjoy equal rights
(C) when people rid themselves of prejudice
(D) if less emphasis is laid on material things
36. D 37. B 38. B 39.A 40. D
In the 1960s, medical researchers Thomas Holmes and Richard Rahe developed a checklist of stressful events. They appreciated the tricky point that any major change can be stressful. Negative events like serious illness of a family member were high on the list, but so were some positive life-changing events, like marriage. When you take the Holmes-Rahe test you must remember that the score does not reflect how you deal with stressit
only shows how much you have to deal with. And we now know that the way you handle these events dramatically affects your chances of staying healthy.
By the early 1970s, hundreds of similar studies had followed Holmes and Rahe. And millions of Americans who work and live under stress worried over the reports. Somehow, the research got boiled down to a memorable message. Womens magazines ran headlines like Stress causes illness! If you want to stay physically and mentally healthy, the articles said, avoid stressful events.
But such simplistic advice is impossible to follow. Even if stressful events are dangerous, manylike the death of a loved oneare impossible to avoid. Moreover, any warning to avoid all stressful events is a prescription (处方) for staying away from opportunities as well as trouble. Since any change can be stressful, a person who wanted to be completely free of stress would never marry, have a child, take a new job or move.
The notion that all stress makes you sick also ignores a lot of what we know about people. It assumes were all vulnerable (脆弱的) and passive in the face of adversity (逆境). But what about human initiative and creativity Many come through periods of stress with more physical and mental vigor than they had before. We also know that a long time without change or challenge can lead to boredom, and physical and metal strain.
21. The result of Holmes-Rahes medical research tells us ________.
(A) the way you handle major events may cause stress
(B) what should be done to avoid stress
(C) what kind of event would cause stress
(D) how to cope with sudden changes in life
22. The studies on stress in the early 1970s led to ________.
(A) widespread concern over its harmful effects
(B) great panic over the mental disorder it could cause
(C) an intensive research into stress-related illnesses
(D) popular avoidance of stressful jobs
23. The score of the Holmes-Rahe test shows ________.
(A) how much pressure you are under
(B) how positive events can change your life
(C) how stressful a major event can be
(D) how you can deal with life-changing events
24. Why is such simplistic advice (Line 1, Para. 3) impossible to follow
(A) No one can stay on the same job for long.
(B) No prescription is effective in relieving stress.
(C) People have to get married someday.
(D) You could be missing opportunities as well.
25. According to the passage people who have experienced ups and downs may become ____.
(A) nervous when faced with difficulties
(B) physically and mentally strained
(C) more capable of coping with adversity
(D) indifferent toward what happens to them
21. C 22. A 23. A 24.D 25.C
6月大学英语四级阅读练习、答案 3
英语四级阅读选词填空
What determines the kind of person you are? What factors make you more or less bold, intelligent, or able to read a map? All of these are influenced by the interaction of your genes and the environment in which you were __1__. The study of how genes and environment interact to influence __2__ activity is known as behavioral genetics. Behavioral genetics has made important __3__ to the biological revolution, providing information about the extent to which biology influences mind, brain and behavior.
Any research that suggests that __4__ to perform certain behaviors are based in biology is controversial. Who wants to be told that there are limitations to what you can __5__ based on something that is beyond your control, such as your genes? It is easy to accept that genes control physical characteristics such as sex, race and eye color. But can genes also determine whether people will get divorced, how __6__ they are, or what career they are likely to choose? A concern of psychological scientists is the __7__ to which all of these characteristics are influenced by nature and nurture(养育), by genetic makeup and the environment. Increasingly, science __8__ that genes lay the groundwork for many human traits. From this perspective, people are born __9__ like undeveloped photographs: The image is already captured, but the way it __10__ appears can vary based on the development process. However, the basic picture is there from the beginning.
[A] abilities
[B] achieve
[C] appeal
[D] complaints
[E] contributions
[F] displayed
[G] essentially
[H] eventually
[I] extent
[J] indicates
[K] proceeds
[L] psychological
[M] raised
[N] smart
[O] standard
答案解析：
1. [M] raised raise在这里的意思是"养育"，the environment in which you were raised 意思是"你成长的环境"。
2. [L] psychological "psychological activity"意思是"心理活动"，全句意思是"研究基因和外部环境如何相互作用影响人心理活动的学科被称为行为遗传学"。
3. [E] contributions "make contributions to"为固定搭配，意为"为……做贡献"。
4. [A] abilities "ability to …"意思是"做某事的能力"，在此处，全句意思是"任何一篇宣称人类做出某种行为的能力是基于生物学的研究都是有争议的"。
5. [B] achieve "limitations to what you can achieve"意思是"对你所能达到的水平的限制"。
6. [N] smart 此处需填一个形容词，而且用来形容人，根据题意，smart符合题意，表示"机灵，可爱"。
7. [I] extent 此处填extent，主要是因为后面有to，"to the extent …"译为"……的程度"。
8. [J] indicates indicate 意思是"表明，显示"。全句意为"越来越多的科学(现象)表明基因对人类很多特征有基础作用"。
9. [G] essentially essentially 的`意思是"实际上，本质上"。全句意为"从这个角度来讲，人一出生，本质上就像是还没洗出来的照片：相已经照了，但是最终会呈现多少就在于显影的过程了"。
10. [H] eventually eventually 副词，意思是"最终，最后"。
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