研究生基础英语期末考试样卷
just as surely as it came to the mainland cities that are now shrouded(笼罩) by fly ash.
If the oil is killing the life along the coral heads, what must it not be doing to the phytoplankton(浮游植物群落) at sea which provide 70% of the oxygen we breathe? The lesson of our fouled beach is that we may not even have realized how late it is already. Mankind, because of his technology, may require far more space per person on this globe than we had ever thought, but it is more than a matter of a certain number of square yards per person. There is instead a delicate balance of nature in which many square miles of ocean and vegetation and clean air are needed to sustain only a relatively few human beings. We may find, as soon as the end of this century, that the final people choking to death. The technology --- the machine --- will then indeed have had its ultimate, mindless, all-unintended triumph over man, by destroying the atmosphere he lives in just as surely as you can pinch off a diver’s breathing tube.
Sitting on a lonely but spoiled beach, it is hard to imagine but possible to believe.
(868 words)
43. Which of the following is the best summary of this essay?
A. Pollution has reached even the remotest areas of the globe and will only worsen.
B. The solution to pollution problems lies in controlling population growth.
C. Outboard motors are the major culprits(元凶) in the pollution of our ocean.
D. We can solve pollution problems only when we stop all oil production.
44. Before the pollution on the beach, the main environmental problems of the island were being caused by __________.
A.overpopulation B. factories C. wood stoves D. commercial fishing
45. The word “despoliation” as used here means _____________.
A.destruction B. definition C. desperation D. destination
46.The pollution in our oceans may be causing phytoplankton to _________.
A.increase to a dangerous level B. be eaten by fish in place of their usual food
C. gradually be destroyed D. poison important species of fish
47.The tone expressed throughout this essay is one of ________.
A.panic and confusion B. gloom and despair
C. enthusiasm and hope D. humor and lightheartedness
Passage Three
Sometimes when you take a common drug, you may have a side effect. That is, the drug may cause some effect other than its intended one. When these side effects occur, they are called adverse reactions. Whenever you have an adverse reaction, you should stop taking the drug right away. Ask you pharmacist whether he can suggest a drug that will relieve the symptoms but that will not cause the adverse reaction. If an adverse reaction to a drug is serious, consult your doctor for advice at once.
Drugs that are safe in the dosage stated on the label may be very dangerous in large doses. For example, aspirin is seldom thought of as dangerous, but there are many reports of accidental poisoning of young children who swallow too many for their young bodies to handle. In adults, excessive use of some pain-killing drugs may cause severe kidney damage. Some drugs for relief of stomach upsets, when taken in excess, can cause an upset in the body’s secretion of enzymes,