Wood furniture does not depreciate in va

练习题库2022-08-02 60

问题 Wood furniture does not depreciate in value ____.（　　）A． if they are handle properly and protected properlyB． unless handling and protecting properlyC． if properly handled and protectedD． unless for all its handling and protection

选项 A． if they are handle properly and protected properly
B． unless handling and protecting properly
C． if properly handled and protected
D． unless for all its handling and protection

答案 C

解析 if意为“如果”，而unless意为“除非”，相当于if...not。根据句意可知，应选择if引导的条件状语从句。当if引导的从句与主句的主语相同时，可以用“if+分词”结构。

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