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  3. Why India Needs Its Dying Vultures The vultures (秃鹰)in question may look ug...

Why India Needs Its Dying Vultures The vultures (秃鹰)in question may look ug...

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问题 Why India Needs Its Dying Vultures
The vultures (秃鹰)in question may look ugly and threatening, but the sudden sharp decline in three species of India’s vultures is producing alarm rather than celebration, and it presents the world with a new kind of environmental problem. The dramatic _________(51) in vulture numbers is causing widespread disruption to people living in the____________ (52) areas as the birds. It is also causing serious public health problems_____________ (53) the Indian sub-continent.
While their reputation and appearance may be unpleasant to many Indians, vultures have_____________ (54) played a very important role in keeping towns and villages all over India_____________ (55).It is because they feed on dead cows. In India, cows are sacred animals and are —__________ (56) left in the open when they die in thousands upon thousands every year.
The disappearance of the vultures has_____________ (57) an explosion in the numbers of wild dogs feeding on the remains of these_____________ (58) animals. There are fears that rabies (狂犬症)may increase as a result. And this terrifying disease may ultimately (最终)affect humans in the region, _________ (59) wild dogs are its main carriers. Rabies could also spread to other animal species, ________ (60) an even greater problem in the future.
The need for action is ____________ (61 ), so an emergency project has been launched to find a solution to this serious vulture problem. Scientists are trying to ______ (62) the disease causing the birds’ deaths and, if possible, develop a cure.
Large-scale vulture_________ (63) were first noticed at the end of the 1980s inIndia. A population survey at that time showed that the three species of vultures had declined_____________ (64) over 90 per cent. All three species are now listed as "critically
endangered". As most vultures lay only single eggs and ______ (65) about five years to reach maturity, reversing their population decline will be a long and difficult exercise.
(64)
选项 A. by
B. in
C. on
D. along
答案A
解析本题考查搭配。本句的意思是有三种秃鹰的数量减少了90%多。A项decline by表示“减少了……”，B、C、D均无此用法。
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