标题: og39 [打印本页]
作者: guafafd 时间: 2004-10-15 12:54 标题: og39
39.
For members of the seventeenth-century Ashanti
nation in Africa, animal-hide shields with
wooden frames were essential items of military equipment, a method to
protect warriors against enemy arrows and spears.
A a method of protect
B as a method of protection
C protecting
D as a protection of
E to protect
看了很多前人的解释，但还是不明白为什么D和E不对
请多多指教
作者: himba 时间: 2004-10-15 13:00
E, 逗号+to do在句尾多半错；此时to do多表目的，如带入原文意思表达不准确。所以og进行了修改used to protect这样过去分词短语在系表结构中是可接受的。
D, 我只能感觉逗号+as+名词在gmat中很少见，可能因为这样的结构就是错的。
用a protection意思表达不好，og还说没有可替代的东西。简单看，名词不如动词。
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