1、下半年大学英语四第3次作业阅读分数得 86 分，满分 100 分 已用时间38 分钟。 说明问题 1 得 2 分，满分 2 分Global Warming Global warming may or may not be the great environmental crisis of the 21st century, but regardless of whether it is or isnt we wont do much about it. We will argue over it and may even, as a nation, make some fairly solem
2、n- sounding commitments to avoid it. But the more dramatic and meaningful these commitments seem, the less likely they are to be observed. A1 Gore calls global warming an “inconvenient truth”, as if merely recognizing it could put us on a path to a solution. But the real truth is that we dont know e
3、nough to relieve global warming, and without major technological breakthroughs we cant do much about it. From 2003 to 2050, the worlds population is predicted to grow from 6.4 billion to 9.1 billion, a 42% increase. If energy use per person and technology remain the same, total energy use and greenh
4、ouse gas emissions (mainly, CO2) will be 42% higher in 2050.But thats too low, because societies that grow richer use more energy. We need economic growth unless we leave the worlds poor to their present poverty and freeze everyone elses living standards. With modest growth, energy use and greenhous
5、e emissions will more than double by 2050. No government will adopt strict restrictions on economic growth and personal freedom (limits on electricity usage, driving and travel) that might cut back global warming. Still, politicians want to show theyre “doing something” Consider the Kyoto Protocol.
6、It allowed countries that joined to punish those that didnt. But it hasnt reduced CO2 emissions (up about 25% since 1990), and many signatories didnt adopt tough enough policies to hit their 2008-2012 targets. The practical conclusion is that if global warming is a potential disaster, the only solut
7、ion is new technology. Only an aggressive research and development program might find ways of breaking our dependence on fossil fuels or dealing with it. The trouble with the global warming debate is that it has become a moral problem when its really an engineering one. The inconvenient truth is tha
8、t if we dont solve the engineering problem, were helpless. 1What is said about global warming in the first paragraph?答案 所选答案： DVery little will be done to bring it under control. 问题 2 得 2 分，满分 2 分2According to the authors understanding, what is Al Gores view on global warming? 答案 所选答案： CIt is a prob
9、lem that can be solved once it is recognized. 问题 3 得 2 分，满分 2 分3Greenhouse emissions will more than double by 2050 because of _. 答案 所选答案： Aeconomic growth 问题 4 得 2 分，满分 2 分4The author believes that, since the signing of the Kyoto Protocol, _. 答案 所选答案： Bfew nations have adopted real tough measures to
10、 limit energy use 问题 5 得 2 分，满分 2 分5What is the message the author intends to convey? 答案 所选答案： BThe ultimate solution to global warming lies in new technology. 问题 6 得 2 分，满分 2 分Dieting to lose weight has become very popular in recent years. People have become more health conscious and try to take be
11、tter care of their bodies by eating more nutritiously（有营养） and exercising more regularly to lose any unnecessary fat that they may have. Not only are people being more careful about what they eat, they are also concerned with how they eat and how their meals are prepared. People are taking more time
12、 for each meal. Many avoid the so-called plastic fast-food hamburgers and choose to eat a salad or a sandwich of more healthful ingredients（成分） in a quiet restaurant with a more leisurely atmosphere. At home, they also try to take enough time to eat a relaxed dinner without phone or TV interruptions
13、. While dieting may be viewed as beneficial, it has also become a serious problem for Americans, particularly for young women. Dieting for them has actually become a psychological addiction（依赖）. They eat so little that they can lose as much as fifty percent of their total body weight, and although t
14、hey look like skeletons, they still insist that they are fat. The current wave of exercising, dieting and the problems produced have caused many organizations to begin educating the public. Many schools, hospitals, health organizations, newspapers and magazines, for example, are offering classes, pr
15、inting booklet articles, etc. to inform the public of the way to exercise and diet, of the dangers of dieting too rapidly, and of the places people can go for medical help if they find themselves on the road to diet addiction. 1、These days people are dieting more because they have become more health
16、 conscious. 答案 所选答案： 对问题 7 得 2 分，满分 2 分2、They are taking less time for each meal now. 答案 所选答案： 错问题 8 得 2 分，满分 2 分3、 They look like skeletons in the third paragraph most probably means they are too thin. 答案 所选答案： 对问题 9 得 2 分，满分 2 分4、The main idea of the last paragraph is about what kind of media can
17、be used to educate the public. 答案 所选答案： 错问题 10 得 2 分，满分 2 分5、According to this passage the atmosphere of eating has something to do with health. 答案 所选答案： 对问题 11 得 2 分，满分 2 分By definition, heroes and heroines are men and women distinguished by uncommon courage, achievements, and self-sacrifice made m
18、ost for the benefits of others-they are people against whom we measure others. They are men and women recognized for shaping our nations consciousness and development as well as the lives of those who admire them. Yet, some people say that ours is an age where true heroes and heroines are hard to co
19、me by, where the very idea of heroism is something beyond us-an artifact of the past. Some maintain, that because the Cold War is over and because America is at peace, our age is essentially an unheroic one. Furthermore, the overall crime rate is down, poverty has been eased by a strong and growing
20、economy, and advances continue to be made in medical science. Cultural icons are hard to define, but we know them when we see them. They are people who manage to go beyond celebrity (明星) , who are legendary, who somehow manage to become mythic. But what makes some figures icons and others mere celeb
21、rities? Thats hard to answer. In part, their lives have the quality of a story to tell. For instance, the beautiful young Diana Spencer who at 19 married a prince, renounced marriage and the throne, and died at the moment she found true love. Good looks certainly help. So does a special indefinable
22、charm, with the help of the media. But nothing confirms an icon more than a tragic death-such as Martin Luther King, Jr., John F. Kennedy, and Princess Diana. (258 words) 1. The passage mainly deals with . 答案 所选答案： C. heroes and icons 问题 12 得 2 分，满分 2 分2.Heroes and heroines are usually . 答案 所选答案： D.
23、 all of the above问题 13 得 2 分，满分 2 分3.Which of the following statements is wrong? 答案 所选答案： D. Heroes and heroines can only emerge in war times. 问题 14 得 2 分，满分 2 分4.Beautiful young Diana Spencer found her genuine love . 答案 所选答案： C. just before her death 问题 15 得 2 分，满分 2 分5.What is more likely to set a
24、n icons status? 答案 所选答案： B. Tragic and early death. 问题 16 得 2 分，满分 2 分What makes one person more intelligent than another? What makes one person a genius, like the brilliant Albert Einstein, and another person a fool? Are people born intelligent or stupid, or is intelligence the result of where and
25、how you live? These are very old questions and the answers to them are still not clear. We know, however, that just being born with a good mind is not enough. In some ways, the mind is like a leg or an arm muscle. It needs exercise. Mental exercise is particularly important for young children. Many
26、child psychologists (心理学家) think that parents should play with their children more often and give them problems to think about. The children are then more likely to grow up bright and intelligent. If, on the other hand, children are left alone a great deal with nothing to do, they are more likely to
27、 become dull and unintelligent. Parents should also be careful with what they say to young children. According to some psychologists, if parents are always telling a child that he or she is a fool or an idiot, then the child is more likely to keep doing silly and foolish things. So it is probably be
28、tter for parents to say very positive things to their children, such as That was a very clever thing you did. or You are such a smart child. 1、The word intelligent in the 1st paragraph probably mean bright. 答案 所选答案： 对问题 17 得 2 分，满分 2 分2、According to the context we can guess that a genius is a normal
29、 person while an idiot is a funny person. 答案 所选答案： 错问题 18 得 2 分，满分 2 分3、A person born with a good brain and putting it into active use is more likely to become a genius. 答案 所选答案： 对问题 19 得 2 分，满分 2 分4、It is better for parents to praise and encourage their children more often. 答案 所选答案： 对问题 20 得 2 分，满分 2 分5、Intelligence is obviously the result of where and how you live.
