题目内容

CPU内部有Cache,它:

A. 容量小、速度比内存的速度还要快
B. 速度快、可长期保存数据
C. 容量小,速度比内存的速度稍慢
D. 程序计数器并不属于寄存器

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计算机系统包括:

A. 硬件系统和软件系统
B. 机箱及主机、键盘、显示器、鼠标、打印机
C. 系统软件和应用软件
D. 微处理器及其他硬件

I have been busy these days, and I intend to ____ my shop to go traveling.

A. close by
B. close up
C. close in on
D. close off

The inefficient company was ____ to competition.

A. vulnerable
B. valuable
C. variable
D. voluntary

When drawing up a contract, we should ____ the safety measures.

A. build in
B. draw in
C. run in
D. go in