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【题目】I don't think you will get through the exam _______ you work hard right now.

A.unlessB.ifC.untilD.because

【答案】A

【解析】

句意:除非你现在努力学习,否则我认为你不会通过考试的。

考查连词。A. unless除非(=if ……not),引导条件状语从句;B. if如果,引导条件状语从句;C. until直到,引导条件状语从句;D. because因为,原因状语从句;结合句子可知,空处引导条件状语从句,且译为“除非”故选A

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