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【单选题】
均匀电场中电场强度大小为 E 、方向与沿 x 轴正向。半径为 R 的球面,沿 x 轴方向切掉半个球面,余下的半球面的电场强度通量为A.
B.
C.
2
D.
0
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反馈参考答案：
举一反三
【单选题】I can show you around, if you like.()
A.
Let's go.
B.
Sure. Thank you.
C.
I can't wait.
【单选题】听力原文：M: I’d like to take a trip for my long vacation, but I am not quite sure where to go. W: I suggest you go to Yunnan province. My friends were so much impressed by the great scene of the snow moun...
A.
Korean Disney Land.
B.
The beauty of Dalian.
C.
What to prepare for a trip.
D.
Where to go for the vacation.
【单选题】一I’d like to take a long holiday. 一 . We are too busy!
A.
Don’t worry.
B.
Forget it.
C.
It’s all right.
D.
I can’t follow you.
【单选题】---Look! There is beautiful rainbow in the sky． ---Wow, it’s so beautiful. I’d like to take a photo of rainbow before it disappears．
A.
a; the
B.
the; a
C.
the; the
D.
a; a
【简答题】成本会计的对象是指成本会计 和 的内容
【简答题】I can show you _____.
【单选题】— We need a room for tonight, and I’d like to take a chance to check in without reservation. — Don’t you know about the jammed hotels in this season? ______.
A.
Better play it safe
B.
Do as you please
C.
No problem
D.
Think nothing of it
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