Model Test One
Part II Reading Comprehension (Skimming and Scanning)
1.【解析】[Y]該句的意思是巨大的河流改道水利工程使得咸海縮小。從第二段的中間兩句話可得出結(jié)論。Thirty years ago, government planners diverted the rivers that flow into the sea in order to irrigate(provide water for)farmland. As a result, the sea has shrunk to half its original size, stranding ships on dry land.與原文意思相同。
2.【解析】[N]該句句意為:巨壩和灌溉工程的建設(shè)好處多于壞處。解題依據(jù)為本文第三段第二句話But many countries continue to build massive dams and irrigation systems, even though such projects can create more problems than they fix. (雖然產(chǎn)生更多問(wèn)題,許多國(guó)家仍繼續(xù)建巨壩和灌溉工程。)由此可知,壞處多于好處,所以該題與原文之義不合。
3.【解析】[Y]該句句意為:缺水的主要原因是人口增長(zhǎng)和水污染。本題解題依據(jù)可定位到本文第四段第一句話 Growing populations will worsen problems with water… 及第十一段第一句話But almost everyone contributes to water pollution. 兩者都是水資源缺乏的原因,與原文之義相符。
4.【解析】[Y]該句句意為:美國(guó)人面臨的有關(guān)水的問(wèn)題為地下水的減少和污染。本題解題依據(jù)為第七段第二句話和第八段第三句話,這兩句話加在一起即為美國(guó)人所面臨的水資源方面的問(wèn)題,與原文之義相符。
5.【解析】[N]該句句意為:根據(jù)這篇文章,所有水的污染都來(lái)自于家庭廢棄物。本題解題依據(jù)為第十一段最后一句話…70 percent of the pollutants could be traced to household waste (百分之七十的污染物源于家庭廢棄物),據(jù)此,本題之意與原文之義不合。
6.【解析】[N]該句句意為:美國(guó)人將不會(huì)面臨缺水問(wèn)題。該題解題依據(jù)為文章第七段第二句話 But Americans could face serious water shortages, too, especially in areas that rely on groundwater, 顯然本題之意與原文之義不合。
7.【解析】[NG]該句句意為:水利專家Gleick 提供了與水相關(guān)的最佳解決方案。根據(jù)本文第十三段第一句話所述,專家Gleick 并未提供任何最佳解決方案。
8.【解析】onethird 解題依據(jù)為第四段最后一句話:He fears that by the year 2025, as many as onethird of the world’s projected 8.3 billion people will suffer from water shortages.
9.【解析】glaciers and ice caps 解題依據(jù)為第五段第二句話:Twothirds of this freshwater is locked in glaciers and ice caps.
10.【解析】water pollution 解題依據(jù)為第十段第二句話:Toxic chemicals pollute water when released untreated into rivers and lakes.
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