题目内容
15.For many environmentalists,the world seems to be getting worse.They have developed a it-list of our main fears:natural resources are running out; the population(31)is growing(grow),leaving less and less to eat?species are becoming(32)extinct(extinction) in vast numbers,and the planet's air and water are becoming dirty,(33)whichare ever more polluted.(34)Buta quick look at the facts shows a different picture.First,energy and other natural resources have become more abundant not less so.Second,(35)morefood is now at any time in history.Third,although species are indeed becoming extinct,only about 0.7% of them are expected(36)to disappear(disappear) in the next 50years,not 25~50%,as has so often been predicted.And finally,most forms of environmental pollution(37)eitherappear to have been predicted,or are too short-associated(38)withthe early stages of industrialization.(39)Abigger problem may well turn out to be an inappropriate response to it.yet opinion polls suggest that many people develop the (40)belief(believer)that environmental standards are declining and some factors seem to cause this disjunction.
分析 本文是一篇记叙文.文章从两种角度讲述了世界资源、人口和环境的现状和问题.
解答 31.is growing 考查动词的时态语态.根据前后文的are running out,are becoming可知,该空要用现在进行时,再根据主谓一致原则,故填is growing.
32.extinct 考查形容词的用法.根据句意和结构可知,become后要接表语表主语的状态和特征,故填extinct.
33.which 考查定语从句.根据句子成分分析可知,are ever more polluted是一个非限制定语从句修饰the planet's air and water,指物且作主语,故填which.
34.But 考查连词.根据前后的逻辑关系和后面的different picture可知,这里表转折,故填but.
35.more 考查形容词.修饰名词food要用形容词,根据前面的more abundant 可知,表比较,故填more.
36.to disappear 考查非谓语动词.动词expect后要用不定式作宾补,故填to disappear.
37.either 考查关联词.根据句意和后文的or可知,该处表选择,用either…or表达,故填either.
38.with 考查介词的固定搭配.表示"与…有关系/联系"要用be associated with,故填with.
39.A 考查冠词.根据句意,该空表示泛指的一个更大的问题,故填a.
40.belief 考查名词.根据前面的冠词the可知,要用名词形式,故填belief.
点评 1.形容词的用法:作定语,修饰名词;作表语,放在系动词后面,说明主语的特征和状态
2.引导非限制性定语从句,指物时,只能用which引导,不能用that
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