大全60

gjjemily · 发表于 2010-5-3 00:12:19

请教：大全60

60.After a few weeks’ experience, apprentice jewelers can usually begin to discriminate, though not with absolute certainty, genuine diamonds from imitation diamonds.
(A) genuine diamonds from imitation diamonds
(B) genuine diamonds apart from imitations
(C) between genuine diamonds and imitation diamonds
(D) among genuine diamonds and imitation diamonds
(E) whether diamonds are imitation or genuine

答案选Ｃ

可是Ａ为什么不对呢？
discriminate A from B,有此用法阿

gjjemily · 发表于 2010-5-3 14:18:10

自己先给自己顶一下，希望得到解答哦：）

AmyGMAT · 发表于 2010-5-3 14:29:00

一般认为discriminate...between..是优于discriminate..from..的
discriminate, though not with absolute certainty, genuine diamonds from imitation diamonds.
而且这句话中genuine离着discriminate比较远，不好最好是用between and
还有一个原因是discriminate..from..一般是用来区分两种不同类或者不同质的东西
这里diamond都是同类的东西，只不过有真有假而已
lz可以去找找有关的例子吧区分一下
这里没有语法错误，可能算是种effectiveness的错误吧

大全60

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