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【单选题】
交流电路的功率因数是指A.
sinφ
B.
cosφ
C.
tanφ
D.
cotφ
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皮皮学刷刷变学霸
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【简答题】如有变量的定义int j, *q=&j; 则 表达式 q==&j的值是 。
【单选题】They are visiting all parts of the country .So they will go .
A.
to cities, towns and villages
B.
only to towns
C.
only to villages
D.
only to cities
【单选题】听力原文：W: Yes, it's so exciting. M: Is this your first time to China? W: Yes, we're on our honeymoon. M: Oh, congratulations! W: Thanks. Do you live in Beijing? M: No, but my grandma does. I'm visiting ...
A.
The plane is going to take off.
B.
The plane is arriving in Beijing.
C.
It is cloudy in Beijing.
D.
The woman is on her honeymoon.
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