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You shouldn’t accept a gift from a person _____ you don’t know him.
A.untilB.unlessC.ifD.whether
C

试题分析:连词辨析。A直到…才; B除非,如果…不;C如果;D是否;句意:如果你不认识他,你就不应该接受他的礼物。根据句意说明C正确。
点评:连词的词义辨析要放在上下文的语境中进行,要注意上下文的语义的串联以及逻辑关系的推理,特别要注意一些连词和时间状语的固定搭配。
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