题目内容
12.Study hard,_____ you'll fail in the exam.( )| A. | or | B. | and | C. | while |
分析 努力学习,否则你考试会不及格.
解答 正确答案:A.A表示选择,或者,否则.B表示并列,和.C表示当…时,与…同时.根据题干可知要努力学习,否则考试会不及格,故选择A.
点评 本题考查连词辨析,基础题,熟悉每个选项的含义及用法,再根据题干进行选择.
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