职称英语考试综合B2018年职称英语考试综合B类完形填空练习题（6）

职称英语考试综合B2018年职称英语考试综合B类完形填空练习题（6） The vultures in question may look ugly and threatening,but the sudden sharp _1_ in three species of Indias vultures is producing alarm rather than celebration,and it presents the world with a new kind of environmental _2_ The dramatic decline in vulture numbers is causing widespread disruption to people living in the same areas as the _3_ .It is also causing serious public health problems _4_ the Indian sub-continent. While their reputation and appearance may be unpleasant to many Indians,vultures have_5_played a very important role in keeping towns and villages all over India clean.It is_6_they feed on dead cows.In India,cows are sacred animals and are _7_ left in the open when they die in their thousands upon thousands every year. The disappearance of the vultures has _8_ an explosion in the numbers of wild dogs feeding on the remains of these dead animals.There are fears that rabies may _9_ as a result.And this terrifying disease may ultimately affect humans in the region,since wild dogs are its main carriers.Rabies could also spread to other animal species,causing an even greater problem in the _10_. The need for action is _11_,so an emergency project has been launched to _12_ a solution to this serious vulture problem.Scientists are trying to identify the disease causing the birds,deaths and,if possible,develop a cure. Large-scale vulture _13_ 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 _14_ over 90 per cent.All three species are now listed as critically endangered.As most vultures lay only single eggs and _15_ about five years to reach maturity,reversing their population decline will be a long and difficult exercise. 练习： 1.A.decline B.rise C.teeth D.eyes 2.A.benefit B.debate C.problem D.solution. 3.A.plants B.birds C.humans D.cows 4.A.over B.with C.through D.across. 5.A.sometimes B.long C.suddenly D.hardly. 6.A.who B.when C.because D.where 7.A.traditionally B.oasionally C.possibly D.finally. 8.A.came from B.adjusted to C.resulted from D.led to. 9.A.drop B.increase C.disappear D.change. 10.A.future B.past C.villages D.mountains. 11.A.recent B.urgent C.frequent D.rare. 12.A.neglect B.use C.remove D.find 13.A.cures B.arrivals C.deaths D.journeys. 14.A.along B.on C