题目内容
【题目】Old John cannot hear well, so the salesman is trying to explain how to use the product _____ sign language.
A. by means of B. on behalf of C. in search of D. for fear of
【答案】A
【解析】考查介词短语。A. by means of 用,依靠;B. on behalf of 代表;C. in search of 寻找,搜寻;D. for fear of唯恐,以免。句意:老约翰听不太清,所以推销员尽力用手语解释如何使用这个产品。表示“用手语”,故选A.
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