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问题 单项选择题

可以向ISSN中国国家中心申领国际标准连续出版物号的出版物是：（）

A.所有合法登记的期刊

B.公开发行的期刊

C.内部发行的期刊

D.需向境外发行的期刊

答案

参考答案：B

选择题

Not only ________ interested in football but ________ beginning to show an interest in it.

A．the teacher himself is; all his students are

B．the teacher himself is; are all his teachers

C．is the teacher himself; are all his students

D．is the teacher himself; all his students are
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单项选择题

引入多道程序设计的主要目的是（）。

A.提高实时响应速度

B.充分利用处理机，减少处理机空闲时间

C.有利于代码共享

D.充分利用存储设备
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