Reptiles, by drawing their body heat directly from the Sun rather than burning calories to generate it, can survive on ten percent of the nourishment that a mammal of similar size would normally require.


rather than burning calories to generate it

rather than the generation of body heat by burning calories

and not from generating it by burning calories

instead of by burning calories for generating it

instead of body heat generated by burning calories

考题讲解

题目分析:

本题比较简单,考查了基本的语法平行。本题中需要两者取一(rather than)的应该是“直接从太阳那里获得热”和“燃烧卡路里以产生热”。两者应该在语法形式上保持平行,可以排除(B)(C)(E)。

选项(A)和选项(D)的迷惑性相对较高。介词短语 for generating it需改为不定式短语to generate it。这点考查了不定式和ing的区别。用之于本题,由于变化部分是burn的宾语的补足语,所以应根据其主句谓语动词burn来判断。在逻辑上,“燃烧卡路里”显然可以控制“生产热”这个行为的发生与否,即,本题中的burn的控制力较强,宾补中应该用不定式短语。

答案为(A)。


选项分析:


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Prep2012-SC

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