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A) ItB) ThisC) ThereD) That
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Passage Four:Questions 36 to 40 are based on the following passage.Where do pesticides (杀虫剂) fit into the picture of environmental disease？ We have seen that they now pollute soil, water and food, that they have the power to make our streams fishless and our gardens and woodlands silent and birdless. Man, however much he may like to pretend the contrary, is part of nature. Can he escape a pollution that is now so thoroughly distributed throughout our world:
We know that even single exposures to these chemicals, if the amount is large enough, can cause extremely severe poisoning. But this is not the major problem. The sudden illness or death of farmers, farm workers, and others exposed to sufficient quantities of pesticides is very sad and should not occur. For the population as a whole, we must be more concerned with the delayed effects of absorbing small amounts of the pesticides that invisibly pollute our world.
Responsible public health officials have pointed out that the biological effects of chemicals are cumulative (累积) over long periods of time, and that the danger to individual may depend on the sum of the exposures received throughout his lifetime. For these very reasons the danger is easily ignored. It is human nature to shake off what may seem to us a threat of future disaster. “Men are naturally most impressed by diseases which have obvious signs,” says a wise physician, Dr. Rene Dubos, “yet some of their worst enemies slowly approach them unnoticed.”
第36题：Which of the following is closest in meaning to the sentence “Man... is part of nature” (Para. 1, Lines 3-4)？
A) offB) inC) forD) with
Passage Three:Questions 31 to 35 are based on the following passage.For well over 2000 years the world’s great religions have taught the virtues of a trusting heart. Now there is another reason to merit the wisdom of the ages: scientific evidence indicates that those with trusting hearts will live longer, healthier lives.
As a result of the work published in the 1970s by two pioneering heart specialists, Meyer Friedman and Ray H. Rosenman, nearly every American is aware that blood Type. A people are impatient, and easily moved to hostility and anger. Many have come to believe that Type As are at a much higher risk of suffering heart attack or dying of heart disease than others.
The driving force behind hostility is a cynical (愤世嫉俗) mistrust of others. If we expect others to mistreat us, we are seldom disappointed. This generates anger and leads us to respond with hostility.
The most characteristic attitude of a cynic is being suspicious of the motives of people he doesn’t know. Imagine you are waiting for an elevator and it stops two floors above for longer than usual. How inconsiderate (不替别人着想的) You think. In a few seconds, you have drawn hostile conclusions about unseen people and their motives.
Meanwhile, your cynical mistrust is leading to noticeable physical consequences. Your voice rises. The rate and depth of your breathing increases. Your heart is beating faster and harder, and the muscles of your arms and legs become tight. You feel “charged up”, ready for action.
If you frequently experience these feelings, you may be at increased risk of developing serious health problems. Anger can add to the risk of heart and other diseases.
第31题：According to the author, people with trusting hearts are ________.
A) anB) someC) theD) one
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