题目内容
7.A good teacher must be able to help his students learn the subject with great interest ________ he reaches the last minute of the class.( )A. | when | B. | unless | C. | until | D. | after |
分析 一个好老师必须能够帮助他的学生们有极大的兴趣去学习,直到上完这堂课的最后一分钟.
解答 答案C.when当…时,引导时间状语从句;unless除非,引导条件状语从句;until直到,到…为止,引导时间状语从句;after在…之后,引导时间状语从句.但是根据句子所表达的意思可知答案选C.
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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