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【单选题】
点作匀变速曲线运动是指()A.
点的加速度大小a=常量；
B.
点的加速度a=常矢量
C.
点的切向加速度大小at=常量
D.
点的法向加速度大小an=常量
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反馈参考答案：
举一反三
【单选题】如果想要将项目文件输出为纯音频文件，执行下列哪项操作（ ）
A.
执行【文件】|【导出】| 【媒体】命令
B.
执行【文件】|【导出】|【字幕】命令
C.
执行【文件】|【导出】|【磁带】命令
D.
执行【文件】|【导出】|【EDL】命令
【单选题】( ) her mother ( ) she was at home when the thief came in.
A.
Neither, or
B.
Each, and
C.
Neither, nor
【简答题】1xin01_纯音频文件_纯音频输出.MP3 1xin01_纯音频文件_纯音频输出_纯音频文件_纯音频输出.WMA
【多选题】在Premiere中，有关项目文件输出格式描述正确的是（ ）
A.
可以将项目文件导出为影片。
B.
可以导出视频画面为图像。
C.
可以导出视频片段为序列图像。
D.
可以将项目文件导出为纯音频文件。
【单选题】When she called me a thief, I decided to sue her for ______ .
A.
ridicule
B.
scandal
C.
slander
D.
encumber
【单选题】The police ______ for the thief everywhere when he suddenly appeared in a theatre.
A.
search
B.
have searched
C.
were searching
D.
are searching
【单选题】_____ from the fifth floor when the policemen surrounded him.
A.
Jumped down the thief
B.
Down the thief jumped
C.
Down jumped the thief
D.
Down did the thief jump
【简答题】Our quarrel with efficiency is not that it gets things done, but that it is a thief of time when it leaves us no leisure to enjoy ourselves, and that it strains our nerves when we try to get things do...
【单选题】When realizing the guard of the supermarket had spotted him , the thief the exit as quickly as possible.
A.
made for
B.
made out
C.
made up
D.
made into
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