题目内容
2.In summer,food goes bad easily __________ it is put in the refrigerator.( )| A. | until | B. | if | C. | unless |
分析 在夏季,食物很容易变质,除非被放在冰箱里面.
解答 答案:C.
本题考查的是从属连词的辨析.根据题意,从前半句"食物很容易变质"和后半句"被放在冰箱里面"来看,这里需要一个表假设的连词,结合选项,unless可以引导一个表假设的条件状语从句,意为"除非",相当于if not.故选C.
点评 联系前后语境,在准确把握前后句关系的基础上,先推测出大体句意;再结合关键词利用其固定用法选出正确答案.
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