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问题 单项选择题

计算机中所有信息的存储都采用

A．二进制

B．八进制

C．十进制

D．十六进制

答案

参考答案：A

解析： 二进制有“0”和“1”两个数码，简单易行。既便于硬件的物理实现，又有简单的运算规则。

单项选择题

听句子，缩写原文。（）

A．We are sure that our children will become positive members of the changing society.

B．Children with self-esteem can make positive adjustment and achieve career success.

C．Personal goals can be reached with the help of parents who are competent members of the society.

D．Parents with confidence will adapt themselves to the changes and accomplish personal goals.
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单项选择题 B1型题

确诊血友病的检查是（）

A.肾上腺素试验

B.凝血活酶生成及纠正试验

C.D-二聚体测定

D.血小板聚集试验

E.毛细血管脆性试验
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