题目内容
Many websites have been _______ to help people study foreign languages.
A. set off B. set up
C. set down D. set out
B
【解析】考查动词短语辨析。A. set off“出发,动身;使爆炸”; B. set up“竖立;建造;创立”; C. set down“记下,写下”;D. set out “动身,启程;开始工作set out to do sth = set about doing sth”,该句句意:“‘建’了很多网站来帮助人们学习外语。”,故选择B.
考点:动词短语辨析
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