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【判断题】
普通话四个声调中音长最短的是四声。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】被投资单位接受实物捐赠而增加股东权益时，投资企业应按实际持股比例计算出应调整长期股权投资账户的金额，并计入（）。
A.
投资收益
B.
其他业务收入
C.
营业外收入
D.
资本公积
【单选题】The figure shows the curves of two simple harmonic motions. If the two simple harmonic motions can be superimposed the initial phase of the resultant cosine oscillation is ( ).【图片】
A.
0
B.
C.
D.
【单选题】Workers on an ( ) can become injured by repetitive motions.
A.
hourly rate
B.
assembly line
C.
pros and cons
【简答题】The robot can be programmed to perform a sequence of ____________ motions.
【单选题】—Can we wear hats in class? —_______, but you can wear hats after class. [ ]
A.
Yes, we can
B.
Yes, you do
C.
No, you can't
【单选题】A machine is a device which produces specific mechanical motions and it can transmit or modify (),(), and().
A.
mechanical energy
B.
materials
C.
information
D.
all of above
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