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【单选题】
2PWM控制方式的含义是( )。A.
脉冲幅值调制方式
B.
按电压大小调制方式
C.
脉冲宽度调制方式
D.
按电流大小调制方式
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【简答题】《社会治安处罚法》对于非法种植不满五百株或者其他少量毒品原植物的处罚有何规定?
【单选题】What do people say in tile first part?
A.
They talk about dm weather.
B.
They tell people their nances.
C.
They say goodbye to each other.
【单选题】We can learn from the first paragraph that parents and grandparents
A.
used to give out their assets at death.
B.
no longer pass on their wealth to their offspring.
C.
don't care how their money is spent at all.
D.
would not give their offspring financial help.
【单选题】______ new employee feels insecure during ______ first few weeks on the job.
A.
Many ...their
B.
Many...his or her
C.
Many a ...their
D.
Many a...his or her
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