题目内容
4.____ average we receive five e-mails each week.( )A. | On | B. | In | C. | With | D. | At |
分析 我们平均每周收到五封邮件.
解答 答案:A
解析:根据句意"我们平均每周收到五封邮件"及所给选项分析可知,本题考查on average"平均"这一固定短语.综上,本题答案为A选项;其余选项均不符合用法.
点评 本题考查介词短语的辨析,做此类题目时一定要清楚各个选项的含义及用法,再结合句意选出正确答案.
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