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【简答题】
变压器过励磁倍数主要取决于额定运行状态下的________的比值。
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Michael was at the hospital.
B.
Michael met with Peter.
C.
Michael was out to meet the client.
D.
Michael went to Australia
【单选题】听力题 What can we learn from the conversation?
A.
It will get warmer soon.
B.
It may get even colder.
C.
This is the coldest winter ever
D.
The weather has never been so bad before.
【单选题】听力题 What can we learn from the conversation?
A.
Its cold in New York now.
B.
It's very hot in New York now.
C.
The woman thinks New York and Beijing have similar weather.
D.
The man is going to visit New York.
【简答题】步进电机的步距角决定了系统的最小位移，步距角越小，位移的控制精度越（ ）。
【简答题】解方程：2x 2 +11=21．
【单选题】听力题 What can we learn from the conversation?
A.
The woman is going to hold a party on the beach.
B.
The woman is inviting the man to join her family holiday.
C.
The woman's family will have a holiday on the beach.
D.
The woman's family will attend auniversity celebration.
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【简答题】在党的十八届一中全会上,、、( )被选为中央。A. B. C. D. E.
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