皮皮学，免费搜题
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【单选题】
下列哪一选项不属于戒备姿势准备活动中的专项准备活动( )A.
行进间正踢腿
B.
扩胸运动
C.
行进间外摆腿
D.
行进间离合腿
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】80C51单片机的定时器 T1用作定时方式时是
A.
由内部时钟频率定时,一个时钟周期加 1
B.
由内部时钟频率定时,一个机器周期加 1
C.
由外部时钟频率定时,一个时钟周期加 1
D.
由外部时钟频率定时,一个机器周期加 1
【单选题】﹣Can I finish my homework tomorrow? ﹣__________. You must finish it today?
A.
Yes, you can
B.
No, you can’t
C.
No, you needn’t
【单选题】Which of the following can't you find on Mars today?
A.
atomsphere
B.
oceans
C.
ice
D.
sand
【单选题】When you go to the airport today, you will ______.
A.
strain to find middle aged men in a jacket and tie.
B.
strain to find young people in their undershirt.
C.
easily find men over 60 wearing flip-flops.
D.
easily find a man wearing a jacket and tie.
【单选题】. If you compare food costs today ______ of a year ago, you will find the difference.
A.
to that
B.
to them
C.
with that
D.
with those
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