题目内容
16.Friends are angels who lift us to our feet ____our wings have trouble remembering how to fly.( )A. | unless | B. | because | C. | though | D. | when |
分析 当我们的翅膀忘记了如何飞行时,朋友就是让我们重新振作起来的天使.
解答 答案:D 句意表达的是朋友就是在我们有困难时能够帮助我们的人,表达的是时间,是一个时间状语从句;unless除非,because因为,though结构;根据句意,故选D.
点评 从属连词是连词的一种,用来引导名词性从句和状语从句.大致可分为三大类:that(无词义,不做成分)if,whether (表达是否的意义,但不做句子成分); 连接代词:who,whom,whose,what,which,whatever,whoever,whichever(有词义,在句子中可作主语、表语、宾语);连接副词:when,where,why,how,how many,how long,how far,however,whenever,wherever (有词义,作从句的状语).学习时,要注意区分和掌握.
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