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【判断题】
29 号Cu的核外电子排布为 [Ar]3d 10 4s 1A.
正确
B.
错误
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【单选题】What does the advisor mean when he says this?
A.
It's not a very big problem if students don't know anything about core courses.
B.
The student should find out the information about core courses by himself.
C.
The student should know core courses well when the conversation occurs.
D.
Nobody is responsible for telling the student any information about core courses.
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