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问题 多项选择题

智能手机是具有（）的操作系统；用户可以（）软件、游戏等第三方提供的程序，用户可以不断地对手机的功能进行扩充。

A.开放

B独立

C密闭

D下载

E自由安装

答案

参考答案：B, E

单项选择题

The "main storage" normally means that part of internal storage into which instructions and other data must be loaded for subsequent execution or processing. In large computing systems, the term "main storage" is (71) to "memory". "Buffer" mainly indicates a special-purpose storage or storage area allowing, through (72) storage, the data transfer between two functional units having different transfer characteristics. A buffer storage is used between non-synchronized devices or where one is (73) and the other is parallel or between those having different trans far rates. " (74) (memory)" is also a special-purpose buffer storage, smaller and faster than main storage, used to hold a copy of instructions and data obtained from main storage and likely to be needed next by the processor. "Register" is commonly composed of a part of internal storage having a specified storage (75) and usually intended for a specific purpose.

（72）是（）

A.instant

B.temporary

C.timely

D.transient
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多项选择题

癫痫病人做脑电图检查的临床意义是（）

A.判断预后

B.作出病因诊断

C.制订治疗方案

D.鉴别癫痫的类型

E.支持临床诊断
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