题目内容
1．My grandfather doesn't have any hobbies-__________ you call playing cards a hobby．（ ）| A． | if | B． | when | C． | since | D． | unless |
分析 我的爷爷没有任何爱好，除非你把打牌也叫做一种爱好．
解答 答案：D．
本题考查的是从属连词的辨析．根据题意，从前半句"我的爷爷没有任何爱好"和后半句"你把打牌也叫做一种爱好"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D．
点评 做这种题时，首先要根据语境及上下文确定考察范围--连词；其次根据句意确定连词；再次根据选项中的连词意思即可确定答案．
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