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【多选题】
关于静电平衡状态下的导体,下列描述正确的是( )。A.
导体内不可能有体电荷分布。
B.
电荷以面电荷形式分布于导体表面。
C.
导体内部一定没有电场强度。
D.
导体为等位体，导体面为等位面。
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【简答题】If you look up the word “create” in the dictionary, you will find it means “to brig into being to cause to exist something each of us does daily.” We are creative whenever we look at or think about so...
【多选题】II. Fill inthe blanks with a word or phrase from the box. (本题填写大写序号,否则系统自动判错。)
A.
chairman
B.
consultant
C.
delayed
D.
efficient
E.
flexible hours
F.
human
G.
missing
H.
job security
I.
sports facilities
J.
travel opportunities 1. Flight CA1589 is ________ by half an hour because of bad weather. We apologise for the inconvenience. 2. The photos aren’t in the envelope. They’re________. 3. Renata always does a lot of work, and she works so fast! She’s very ________,isn’t she? 4. I can start work at 7.30, 8.30 or 9.30. I’m very glad I can work ________. 5. Her job has a lot of ________. She goes to adifferent country every month! 6. My company has a gym, a swimming pool and manyother ________. 7. A ________ gives expert advice to a person ororganization on a particular subject. 8.For me, ________ is what I need most. I have three children, so I don’t want tobe out of work. 9.The ________ of the board has called a shareholders’ meeting. 10. I’m in finance, but my partner works in ________ resources.
【单选题】方差分析结果, F 处理 >F 组内 ,则统计推论是( )。
A.
各总体均数不全相等
B.
各总体均数都不相等
C.
各样本均数不全相等
D.
各样本均数间差别都有显著性
E.
根据现在资料，还不能拒绝 H 0
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【简答题】13 l has spor t s 13 ............................. and equipment on floors 1—3
【简答题】完形填空。 My life is always filled with sadness and little joy. However, no matter what happens, I can face it bravely. Last year, I couldn't believe the 1 that I entered the No. 1 Middle School in my hom...
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