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【单选题】
No adults would like to admit that they are weaker than children to solve sticky and puzzling problems.
A.
to solve about
B.
solve
C.
in solving about
D.
in solving
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F（ex）+C
D.
-F（ex）+C
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【单选题】听力原文：W: How do you pay for your purchases with a credit card? M: Usually I sign a sales slip in the presence of the seller, and the signature is then compared to the signature on the card. Q: Where sh...
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【单选题】设F（x）是f（x）的一个原函数，则∫e-xf（e-x）dx等于下列哪一个函数？（）
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B.
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C.
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D.
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【单选题】延长停留时间可以使原料转化率()。
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【简答题】阅读理解。 In the United States,train transportation is unpopular compared with cars and airplanes. Most people like traveling by car or by air. Officials of the United States Department of Transportation ...
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【单选题】设F（x）是f（x）的一个原函数，则等于（）。
A.
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B.
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C.
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D.
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【单选题】How much more power is there in wind at 10 m/s compared to 2 m/s?
A.
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B.
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C.
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D.
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On a sales slip.
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查看完整题目与答案
【单选题】设F（x）是f（x）的一个原函数，则∫e-xf（e-x）dx等于下列哪一个函数？（）
A.
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A.
They am better than the modem movies.
B.
There is more technology in them.
C.
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D.
They are excellent to us now.
查看完整题目与答案
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A.
增加
B.
减少
C.
先增大后减小
D.
没有影响
查看完整题目与答案
【简答题】阅读理解。 In the United States,train transportation is unpopular compared with cars and airplanes. Most people like traveling by car or by air. Officials of the United States Department of Transportation ...
查看完整题目与答案