题目内容
7. H7N9is a deadly virus,it is still safe to eat thoroughly-cooked chicken.( )A. | Until | B. | While | C. | If | D. | Since |
分析 虽然H7N9是致命的病毒,但是吃彻底煮熟的鸡肉还是安全的.
解答 答案B.
Until"直到",引导时间状语从句;While"虽然,尽管",引导让步状语从句;If"如果",引导条件状语从句;Since"自从",引导时间状语从句.分析可知前后两句话是逻辑上的让步关系,再联系句子所表达的含义可知,答案选B.
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.While的用法有:1.表示"当…的时候",2.表示让步,意为"尽管""虽然".3.表示对比或转折,意为"而、但是".
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