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【单选题】
下列物质中哪一个密度最低:A.
CM
B.
VLDL
C.
LDH
D.
HDL
E.
LDL
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反馈参考答案：
举一反三
【简答题】What did he think of his future at that time?
【简答题】若一带电导体表面上某点电荷面密度为 σ ,则该点外侧附近场强为 σ / ε 0 ,如果将另一带电体移近,该点场强是否改变()?公式 Ε = σ / ε 0 是否仍成立()?
【单选题】When the guest asks about the announcements of baby-sitting service, we can say:____.
A.
You can look the announcement on the table.
B.
Guests should inform the hotel three hours in advance if the hotel provides baby-sitting service. The guest also need to fill in the application form for baby-sitting service.
C.
I don't realize the detail information.
D.
There are some spare time babysitters directly under the Room Center .
【单选题】What did he think of his short course in Nanping?
A.
It was interesting.
B.
It was a valuable experience.
C.
It was too far away from big cities.
D.
It was a difficult course to teach.
【简答题】baby-sitting
【单选题】As an American, what did he think of his African background?
A.
The commentator is very disappointed of his African background.
B.
The commentator is very annoyed of his African background.
C.
The commentator is very proud of his African background.
D.
The commentator is very sad of his African background.
【简答题】What did he think of those kids who could speak a foreign language?
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