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【判断题】
二次积分 的另一种积分次序是 .A.
正确
B.
错误
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举一反三
【单选题】Man: Prof. Johnson sure was acting strangely today. Woman: I noticed that too. He was talking so quietly and then not giving us any homework. Can you believe that? Question: What can be inferred about...
A.
He usually assigns homework.
B.
He usually talks quietly.
C.
He didn't teach class today.
D.
He noticed that the students didn't do their homework.
【单选题】The doctor told penny that too much () to the sun is bad for the skin.
A.
exposure
B.
addition
C.
emotion
D.
attention
【简答题】商业秘密是指能够为权利人带来经济利益的技术信息。 （ ）
【简答题】The old man realized that too much salt was harmful to health. ( 改为否定句 ) The old man ______ ______ that too much salt was harmful to health.
【简答题】商业秘密是指能够为权利人带来经济利益的技术信息。 （ ）
【简答题】商业秘密是指能够为权利人带来经济利益的技术信息。（ ） A．对 B．错
【单选题】His speech rambled for half an hour, but the ______ of what he had said was that too many people has too little money.
A.
aim
B.
purpose
C.
essence
D.
content
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