45.The application of a new method for analyzing the chemistry of tooth enamel allows scientists to
examine molars of prehuman ancestors and determining that their diets were more varied than had
(A) The application of a new method for analyzing the chemistry of tooth enamel allows scientists to
examine molars of prehuman ancestors and determining
(B) Through the application of a new method for analyzing the chemistry of tooth enamel, the
molars of prehuman ancestors were examined by scientists who determined
(C) When they applied a new method for analyzing the chemistry of tooth enamel, scientists
examined molars of prehuman ancestors, determining
(D) Applying a new method for analyzing the chemistry of tooth enamel, the molars of prehuman
ancestors have been examined by scientists, who determined
(E) Applying a new method for analyzing the chemistry of tooth enamel, scientists have examined
molars of prehuman ancestors and determined (E)
77. Scientists have found signs that moving water changed the chemical makeup of the surface of Mars
in recent eras, therefore concluding that its crust is harboring up to three times as much water than
(A) eras, therefore concluding that its crust is harboring up to three times as much water than was
(B) eras, therefore concluding that the planet's crust harbors up to three times as much water or
(C) eras and have therefore concluded that the planet's crust harbors up to three times as much
(D) eras and they have concluded, therefore, that its crust harbors up to three times as much water,
(E) eras and concluded, therefore, that the planet's crust is harboring up to three times more water
as was (C)
45题解释中虽然没有说determing的问题，本人认为这里也值得研究研究
ing放在句末，
修饰整个句子表结果或伴随，整个句子作分词的逻辑主语
这里逻辑上可以表结果，但是不可能时这个句子 决定（determine）..也只能是scientist决定
也不可能做伴随，不可能边检查边决定
修饰主句主语scientist
但是这样的话就和原文：想要表达examine和determine是一个平行的动作 相违背，让determine做了examine主句的 附属结构了 也错
跟77上面的例子有点像。
只是个人的意见，若有错误 希望大家指出 谢谢了·· | 
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发表于 2011-7-27 20:59:01
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