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觉得选B 43. Paleontologist Stephen Jay Gould has argued that many biological traits are not the products of natural selection, favored due to their enhancement of reproduction or survival, but that they are simply random by-products of other evolutionary developments. A due to their enhancement of reproduction or survival, but that they are B due to the reproduction or survival they enhance, but they are C because they enhance reproduction or survival, but D because they enhance reproduction or survival, but are E because of enhancing reproduction or survival, but are A: due to + 动作名词不够有效； B: 同上 C: but分句后面没有动词, 会让人产生和because they enhance … but …的歧义 D: correct E: because of + doing 一定错
注意： 1、 due to，because of 都是连词because的迷惑选项 but… 的对称有两种都语法说的通 156. Part of the proposed increase in state education spending is due to higher enrollment, since the number of students in public schools have grown steadily since the mid-1980’s and, at nearly 47 million, are at a record high. A. enrollment, since the number of students in public schools have grown steadily since the mid-1980’s and, at nearly 47 million, are at B. enrollment, with a number of students in public schools growing steadily since the mid-1980’s and, at nearly 47 million, reaching C. enrollment: since students in public schools have grown steadily since the mid-1980’s and, at nearly 47 million, have reached D. enrollment: the number of students in public schools has grown steadily since the mid-1980’s and, at nearly 47 million, has reached E. enrollment: students in public schools have grown steadily in number since the mid-1980’s and, at nearly 47 million, are at
A: the number要用has B: with不好；a number of 改变句意 C: students grown不符合逻辑 D: correct E: 同上
注意： 1、有：；时优先看这些标点符号的选项 2、students不能grow，the number能； | 
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发表于 2007-6-19 20:00:00
