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【单选题】
位置矢量、位移、速度、加速度是从不同角度来描写质点运动的基本物理量,它们都显示了运动的特征,请问以下哪一项不属于运动的特征:()A.
不变性
B.
相对性
C.
绝对性
D.
瞬时性
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举一反三
【单选题】I advised her that in the presence of the princess she should not say anything until _______.
A.
being asked
B.
asked
C.
to be asked
D.
having been asked
【简答题】After a whole week’s hard work, you should r_______ yourself.
【简答题】完形填空 One summer day, with a heavy heart and four dollars in my pocket, I was 1 my way to get some milk and bread. In those days, I was a 2 visitor to the supermarket because there never seemed to be 3...
【单选题】When you rewrite the paragraph, I advised you to _______ the last sentence as it is rather mileading.
A.
work out
B.
leave out
C.
point out
D.
pick out
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