[外语类试卷]北京理工大学考博英语模拟试卷15及答案与解析.doc
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1、北京理工大学考博英语模拟试卷 15及答案与解析 一、 Reading Comprehension 0 Many people believe the glare from snow causes snow blindness. Yet, dark glasses or not they find themselves suffering from headaches and watering eyes, and even snowblindness, when exposed to several hours of “snow light“. The United States Army ha
2、s now determined that the glare from snow does not cause snow-blindness in troops in a snow-covered country. Rather, a mans eyes frequently find nothing to focus on in a broad expanse of a snow-covered area. So his gaze continually shifts and jumps back and forth over the entire landscape in search
3、of something to look at. Finding nothing, hour after hour, the eyes never stop searching and the eyeballs become sore and the eye muscle aches. Nature balances this annoyance by producing more and more liquid which covers the eyeballs. The liquid covers the eyeballs in increasing quantity until visi
4、on blurs . And the result is total, even though temporary, snowblindness. Experiments led the Army to a simple method of overcoming this problem. Scouts ahead of a main body of troops are trained to shake snow from evergreen bushes, creating a dotted line as they cross completely snow-covered landsc
5、ape. Even the scouts themselves throw lightweight, dark-colored objects ahead on which they too can focus. The men following can then see something. Their gaze is arrested. Their eyes focus on a bush and having found something to see, stop searching through the snow-blanketed landscape. By focusing
6、their attention on one object at a time, the man can cross the snow without becoming hopelessly snowblind or lost. In this way the problem of crossing a solid white area is overcome. 1 The eyeballs become sore and the eye muscles ache because_. ( A) tears cover the eyeballs ( B) the eyes are annoyed
7、 by blinding sunlight ( C) the eyes are annoyed by blinding snow ( D) there is nothing to focus on 2 When the eyes are sore, tears are produced to_. ( A) clear the vision ( B) remedy snowblindness ( C) ease the annoyance ( D) loosen the muscles 3 Snow-blindness may be avoided by_. ( A) concentration
8、 on the solid white area ( B) providing the eyes with something to focus on ( C) searching for something to look at in snow-covered areas ( D) covering the eyeballs with liquid 4 The first paragraph is mainly concerned with_. ( A) snow glare and snowhlindness ( B) the whiteness from snow ( C) headac
9、hes, watering eyes and snowblindness ( D) the need for dark glasses 5 A suitable title for this passage would be_. ( A) Snowblindness and How to Overcome It ( B) Nature s Cure for Snowblindness ( C) Soldiers in the Snow ( D) Snow Vision 5 Fear and its companion pain are two of the most useful things
10、 that men and animals possess,if they are properly used. If fire did not hurt when it burnt,children would play it until their hands were burnt away. Similarly,if pain existed but fear did not,a child would burn itself again and again,because fear would not warn it to keep away from the fire that ha
11、d burn it before. A really fearless soldier-and some do exist-is not a good soldier because he is soon killed;and a dead soldier is of no use to his army. Fear and pain are therefore two guards without which men and animals might soon die out. In our first sentence we suggested that fear ought to be
12、 properly used. If,for example,you never go out of your house because of the danger of being knocked down and killed in the street by a car, you are letting fear rule you too much. Even in your house you are not absolutely safe: an airplane may crash on your house, or ants may eat away some of the b
13、eams in your roof so that the latter falls on you,or you may get cancer! The important thing is not to let fear rule you, but instead to use fear as your servant and guide. Fear will warn you of dangers; then you have to decide what action to take. In many cases, you can take quick and successful ac
14、tion to avoid the danger. For example, you see a car coming straight towards you; fear warns you, you jump out of the way, and all is well. In some cases,however,you decide that there is nothing that you can do to avoid the danger. For example,you cannot prevent an airplane crashing onto your house.
15、 In this case, fear has given you its warning; you have examined it and decided on your course,of action, so fear of this particular danger is no longer of any use to you, and you have to try to overcome it. 6 Children would play with fire until their hands were burnt away if_. ( A) they were given
16、no warning beforehand ( B) they had never burnt themselves ( C) they had no sense of pain ( D) they were fearful of the fire 7 A really fearless soldier_. ( A) is of little use to the army ( B) is without equal ( C) is nothing but a dead soldier ( D) easily gets killed in a battle 8 Fear should be u
17、sed properly because_. ( A) an airplane may crash on your house ( B) you may get cancer ( C) fear can only be used as a servant and guide ( D) men are now letting fear rule them too much 9 People sometimes succeed in timely avoiding danger because_. ( A) they have gained experience ( B) they jump ou
18、t of the way in time ( C) they are calm in face of danger ( D) they are warned of the danger and can take quick action 10 Implied but not stated :_. ( A) Fear is always something helpful. ( B) Too much fear is harmful. ( C) Fear ought to be used as a servant and guide. ( D) Fear is something unprofi
19、table. 10 The worlds population continues to grow. There now are about 4 billion of us on earth. That could reach 6 billion by the end of the century and 11 billion in another 75 years. Experts long have been concerned about such growth. Where will we find the food, water, jobs, houses, schools and
20、health care for all these people? A major new study shows that the situation may be changing. A large and rapid drop in the worlds birth rate has taken place during the past 10 years. Families generally are smaller now than they were a few years ago. It is happening in both developing and industrial
21、 nations. Researchers said they found a number of reasons for this. More men and women are waiting longer to get married and are using birth control devices and methods to prevent or delay pregnancy. More women are going to school or working at jobs away form their homes instead of having children.
22、And more governments, especially in developing nations, now support family planning programs to reduce population growth. China is one of the nations that has made great progress in reducing its population growth. China has already cut its rate of population growth by about one half since 1970. Chin
23、a now urges each family to have no more than one child. And it hopes to reach zero population growth, the number of births equaling the number of deaths, by the year 2000. Several nations in Europe already have fewer births than deaths. Experts said that these nations could face a serious shortage o
24、f workers in the future. And the persons who are working could face much higher taxes to help support the growing number of retired people. 11 In Paragraph One, the sentence “Experts long have been concerned about such growth“, the phrase “concerned about“ is similar in meaning to_. ( A) worried abo
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- 外语类 试卷 北京理工大学 英语 模拟 15 答案 解析 DOC
