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【题目】Cover your mouth when you sneeze, ________ the germs may spread to others.

A.orB.butC.andD.so

【答案】A

【解析】

句意:打喷嚏时,捂住你的嘴,否则细菌会扩散到别人那里。

考查连词。or否则;but但是;and和;so因此。根据“the germs may spread to others”可知细菌会扩散到别人那里描述的是对前面“Cover your mouth”否定条件下发生的事情,用连词or表示否则。故选A

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