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n. 冲击(力), 冲突，影响(力)
vt.
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第6部分：完形填空（第52~65题，每题1分，共15分）
下面的短文有15处空白，请根据短文内容为每处空白确定1个最佳选项。
Why India Needs Its Dying Vultures
The vultures 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 their 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 may increase as a result. And this terrifying disease may ultimately 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 in India. 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.
51．A．increase B．threat C．decline D．risk
52．A．small B．different C．same D．safe
53．A．above B．with C．across D．through
54．A．rarely B．long C．recently D．seldom
55．A．dangerous B．clean C．smelly D．beautiful
56．A．immediately B．occasionally C．hardly D．traditionally
57．A．acted as B．led to C．come from D．slowed down
58．A．dead B．strange C．wild D．endangered
59．A．when B．so C．whether D．since
60．A．improving B．causing C．predicting D．finding
61．A．frequent B．regular C．urgent D．sudden
62．A．identify B．prove C．test D．check
63．A．injuries B．deaths C．arrivals D．attacks
64．A．in B．on C．along D．by
65．A．waste B．consume C．take D．adopt
| 重点单词 | 查看全部解释 | |||
| impact | ['impækt,im'pækt] | 联想记忆 | ||
| bust | [bʌst] | 联想记忆 | ||
| accustomed | [ə'kʌstəmd] | |||
| defend | [di'fend] | |||
| temperature | ['tempritʃə(r)] | |||
| fraction | ['frækʃən] | 联想记忆 | ||
| frightening | ['fraitniŋ] | |||
| population | [.pɔpju'leiʃən] | 联想记忆 | ||
| vacuum | ['vækjuəm] | 联想记忆 | ||
| credit | ['kredit] | 联想记忆 |
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