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【单选题】
下图电气控制电路可以实现（ ）【图片】A.
三相异步电动机的正、停、反控制
B.
三相异步电动机的正、反、停控制
C.
三相异步电动机的正反转控制
D.
三相异步电动机的反、正、停控制
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【单选题】听力原文：W: Please tell me the time that suits you for us to set up the tour. M: Tuesday next week will be best for me, if that's possible. Q: When will the tour begin? (2)
A.
This Tuesday.
B.
Next Tuesday.
C.
Next week.
D.
It is not mentioned.
【简答题】The author of this passage intends to tell us
【简答题】They will tell us what they think of our ______ (arrange)
【简答题】The author aims to' tell us that _________.
【简答题】A．To tell us the resources of the sea are unlimited. B．To tell us there are threats to animals and birds. C．To tell us people should protect sea resources. D．To tell us people should love fish.
【简答题】The writer wants to tell US that____________．
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