A. close B. open C. turn on D. turn off——青夏教育精英家教网——

摘要： A. close B. open C. turn on D. turn off

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Let a be the average of all odd prime numbers less than 50． The integer，most close to a is （　　）（英汉小字典：average平均值；odd prime numbers奇质数）

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Let a be the average of all odd prime numbers less than 50． The integer，most close to a is （　　）（英汉小字典：average平均值；odd prime numbers奇质数）

查看习题详情和答案>>