SAT试题类型 Critical Reading > Sentence Completions Choose the word or set of words that, when inserted in the sentence, best fits the meaning of the sentence as a whole. The ------- of trees in East Africa has caused the number of native antelopes to ------- sharply because they can live only where the forest is most dense. (A) planting . . decline (B) destruction . . grow (C) felling . . decrease (D) abundance . . dip (E) protection . . drop 参考答案:C 解析: Explanation This sentence asks you to recognize a cause and fect relationship: a decreasing number of trees causes antelope populations to decrease. The only option in which both terms have a logical cause and fect relationship is “felling . . decrease.”

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