2018届高考英语总复习真题研练31牛津译林版201708201139.wps
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1、真题研练 3131 Task 1Task 1:阅读下列短文,从每题所给的 A A、B B、C C、D D 四个选项中,选出最佳选项。 (2016北京,C) California Condors Shocking RecoveryCalifornia Condors Shocking Recovery California condors are North Americas largest birds,with windlength of up to 3 meters.In the 1980s,electrical lines and lead poisoning(铅中毒) nearly dr
2、ove them to dying out.Now,electric shock training and medical treatment are helping to rescue these big birds. In the late 1980s,the last few condors were taken from the wild to be bred(繁 殖)Since 1992,there have been multiple reintroductions to the wild,and there are now more than 150 flying over Ca
3、lifornia and nearby Arizona,Utah and Baja in Mexico. Electrical lines have been killing them off.“As they go in to rest for the night,they just dont see the power lines”, says Bruce Rideout of San Diego Zoo.Their wings can bridge the gap between lines,resulting in electrocution(电死) if they touch two
4、 lines at once. So scientists have come up with a shocking idea.Tall poles,placed in large training areas,teach the birds to stay clear of electrical lines by giving them a painful but undeadly electric shock.Before the training was introduced,66% ofsetfree birds died of electrocution.This has now d
5、ropped to 18%. Lead poisoning has proved more difficult to deal with.When condors eat dead bodies of other animals containing lead,they absorb large quantities of lead.This affects their nervous systems and ability to produce baby birds,and can lead to kidney(肾) failure and death.So condors with hig
6、h levels of lead are sent to Los Angeles Zoo, where they are treated with calcium EDTA,a chemical that removes lead from the blood over several days.This work is starting to pay off.The annual death rate for adult condors has dropped from 38% in 2000 to 5.4% in 2011. Rideouts team thinks that the Ca
7、lifornia condors average survival time in the wild is now just under eight years.“Although these measures are not effective forever, 1 they are vital for now”, he says.“They are truly good birds that are worth every effort we put into recovering them.” 【语篇解读】 本文是一篇说明文。在二十世纪八十年代,加利福尼亚的秃鹫的数量在减 少,原因是由于
8、高压电线和铅中毒威胁着它们。为此科学家们采取了一系列的措施保护它们, 并且取得了一定的成效。 1California condors attract researchers interest because they _. Aare active at night Bhad to be bred in the wild Care found only in California Dalmost died out in the 1980s 答案 D 细节理解题。根据文章第一段“In the 1980s,electrical lines and lead poisoning (铅中毒)nearly
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