How long do you usually _____ on your ho

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问题选择题

How long do you usually _____ on your homework everyday? [ ]

A. do

B. use

C. spend

D. take

答案

答案：C

单项选择题

数字视频信息的数据量相当大，对PC机的存储、处理和传输都是极大的负担，为此必须对数字视频信息进行压缩编码处理。目前VCD光盘上存储的数字视频采用的压缩编码标准是【】。

A．MPEG-1

B．MPEG-2

C．MPEG-4

D．MPEG-7

选择题

—______ fine weather it is! Let's go swimming.

—Why not. Let's go.[ ]

A. How

B. What

C. What a