大全 987

deng2y · 发表于 2010-1-5 03:09:14

1. With cloning technology,scientists are approaching what has long been the ultimate goal of modernhusbandry: achieving a consistency of quality and production in farm animalsas once thought to be limited to manufactured goods.

(A) achieving aconsistency of quality and production in farm animals as once thought to be

(B) achieving farmanimals with a consistency of quality and production as were once thought of as

(C) achieving in farmanimals a consistency of quality and production that was once thought to be

(D) achievement offarm animals whose consistency of quality and production are the same as whatwere once thought to he（C）

(E) achievement offarm animals at a consistency of quality and production once thought of as

正确答案是C,我选的是E,还请各位指点！

agnesliu · 发表于 2010-7-31 13:25:57

achievement肯定不如achieving来得直接啊~一般来说动词优先于名词、动名词使用的

大全 987

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