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When it comes to gossip(流言蜚语), learn to keep your mouth shut ________ you'll avoid trouble.

A.or B.and C.for D.but

 

B

【解析】B 考查连词。句意:就流言蜚语而言,学会闭嘴,就会避免麻烦。这是一个由and连接的表示“条件与结果”并存的句型。句式为“祈使句+and+陈述句”。其中and表递进关系。该句型可转换成“if条件句+主句”结构。句型“祈使句+or/otherwise+陈述句”也是表示“条件与结果”并存的句型,但祈使句与陈述句之间是转折关系。

 

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