题目内容
5.-May I go and play with Dick this afternoon,Mum?-No,you can't go out _____ your work is being done.( )
A. | unless | B. | until | C. | as | D. | the moment |
分析 ---妈妈,今天下午我可以去和德克玩吗?
---不可以.你不能出去,因为你正在做作业.
解答 答案C.
unless"除非,如果不",在意义上相当于if…not,因此在有些场合中unless与if…not可互换使用,引导条件状语从句.until"直到",引导时间状语从句.as意思是"随着"时,引导时间状语从句;意思是"因为"时,引导原因状语从句;意思是"尽管,虽然"时,引导让步状语从句.the moment"一…就…",引导时间状语从句.分析可知前后两句话之间是逻辑上的"因果"关系,再结合句子所表达的意思可知答案选C.本题极易误选B项,把它误认为是考查"not…until…"句型,那意思是"你不能出去直到你正在做作业",句子的意思不通顺,可排除B项.如若选B可以把句子改为:you can't go out until your work is finished.
点评 本题考查从属连词的用法.连词的用法辨析,要注意分析主从句之间的逻辑关系,再确定相应的连词,同时注意不同的连词的语义及用法区别.
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