题目内容
19.You won't pass the exam you study hard.( )| A. | unless | B. | so | C. | because | D. | if |
分析 除非你努力学习,否则你就不会通过考试.
解答 答案:A;unless,除非---,引导条件状语从句;so,于是;because因为;if:如果;根据句意"You won't pass the exam你就不会通过考试"和"you study hard你努力学习",可知后者是前者的条件,而且是否定的条件;用unless引导;unless=if not;故选A.
点评 比较和分析四个选项的不用含义及其用法是解答该题的关键;还要根据句中信息正确推测该句句意,进而作出解答.
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