题目内容
20.You'd better exercise at least three times a week ______ you can keep fit.( )A. | so that | B. | only if | C. | as though | D. | in case |
分析 你最好每周至少锻炼三次,(结果)这样你就可以保持健康了.
解答 答案A.
so that作"为了,以便"讲时,引导目的状语从句;作"结果"讲时,引导结果状语从句.only if"只要",引导条件状语从句.as though"仿佛,好像",引导方式状语从句.in case"万一",引导条件状语从句.分析可知前后两句话之间是逻辑上的"结果"关系,再结合句子所表达的意思可知答案选A.
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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