题目内容
The pressure ______ causes Americans to be energetic, but it does put them under a constant emotional strain.
A. to compete B. competing
C. to be competed D. having competed
A
【解析】
试题解析:考察动词不定式作定语。pressure是个特殊的名词,其非谓语动词定语结构要用不定式,在英语中有些名词,如动词变来的名词,形容词变来的名词,以及means,way, time, moment, reason等要求其后用不定式做定语。句意;竞争压力使美国人富有活力,但也使他们长期紧张。故选A。
考点:考察动词不定式作定语。
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