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【判断题】
制度分权属于组织设计,而授权则是一种领导艺术。A.
正确
B.
错误
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【单选题】平面简谐波在弹性媒质中传播,某一时刻媒质中某质元在最大位移处时,它的
A.
动能为零，势能最大
B.
动能为零，势能为零
C.
动能最大，势能最大
D.
动能最大，势能为零
【单选题】Vicki: Hey Matt, are you feeling OK? I don't think you're looking too well today. Matt: No, not really. I've got a temperature, a headache, a sore throat... I think I'm ______ something.
A.
coming down with
B.
bringing down
C.
cooling down
D.
getting over
【单选题】平面简谐波在弹性媒质中传播,某一时刻媒质中某质元处于平衡位置时,它的
A.
动能为零，势能最大
B.
动能为零，势能为零
C.
动能最大，势能最大
D.
动能最大，势能为零
【单选题】Why did the Chinese student always try to pay for Matt?
A.
Because Matt did have Chinese currency.
B.
The graduate student wanted to show he was a good host and to make the professor feel welcome.
C.
Because he earns much more money than Matt.
【单选题】一平面简谐波在弹性媒质中传播时，某一时刻在传播方向上一质元恰好处在负的最大位移处，则它的( )。
A.
动能为零，势能最大
B.
动能为零，势能为零
C.
动能最大，势能最大
D.
动能最大，势能为零
【单选题】Matt and his mother are going to visit Aunt Becky tomorrow so _____.
A.
they have to get up early
B.
Matt has to be home early
C.
John cannot sleep over after the party
【单选题】Why did the author tell Matt that she and her boyfriend were going to get married?
A.
Because she didn’t want Matt to disturb her quiet life.
B.
Because she didn’t like Matt.
C.
Because Matt is an Englishman.
D.
Because she didn’t know Matt.
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