age 7.Bruce won second prize in the piano competetion．( )A．InB．AtC．OnD．For 题目和参考答案——青夏教育精英家教网——

题目内容

8． age 7，Bruce won second prize in the piano competetion．（　　）

A．

In

B．

At

C．

On

D．

For

分析在七岁时，Bruce赢得了钢琴比赛的第二名．

解答答案：B 根据age 7可知，此处表达的是年龄，属于一个时间点，表示在七岁时用at．又知in常接不具体时间，如年份、月份等；at常接时间或空间上的一点，如时刻；on后接具体时间，如几月几日；for常接一段时间．所以此处应用At．故选B．

点评此题考查时间介词的用法．做题时，分析题干中的时间词，然后再分析选项中的时间介词的用法，得出准确答案．

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