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A middleweight black hole weighs in at roughly 500 solar masses, hundreds of times more massive than the lightweight black holes produced by the collapse of individual stars, but thousands or even millions of times less in its mass as the heavyweight giants that lurk in the centers of galaxies.

正确答案: C

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求教,prep 74,请大家帮忙。

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楼主
发表于 2007-5-19 23:16:00 | 显示全部楼层

A: salaries professionals比较错,they指代有歧义

B: 同上

C: what are paid=salaries 啰嗦

D: by an average … to almost $24000 less 不平行

E: correct

平行结构优先选择吧...其是我也不是很懂,请高人解释

等待NN

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