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【题目】Wechat is communications software whose purpose is to ______ barriers to communication.

A.break upB.break downC.break throughD.break into

【答案】B

【解析】

考查动词短语辨析。句意:微信是一种沟通软件,其目的是打破沟通障碍。A. break up使破碎、分裂;B. break down损坏、消除、分解;C. break through突破;D. break into强行闯入。分析语境可知,作为沟通软件的微信,目的使打破沟通障碍,所以用break down。故选B项。

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