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【多选题】
按接触网电流性质,电力机车可分为( )。A.
交流电力机车
B.
直流电力机车
C.
多流电力机车
D.
无流电力机车
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举一反三
【单选题】We are very pleased to make a partnership with your company and look forward to a_____beneficial relationship.
A.
mutually
B.
punctually
C.
respectively
D.
precisely
【简答题】若一个类中含有纯虚函数，则该类称为()。 (A)基类 (B)纯基类 (C)抽象类 (D)派生类
【简答题】SH型锅炉表示()。
【简答题】完型填空。 When Susan was at university, she often went to 1 library. It was a beautiful building. She liked it because it was nice and quiet. Sometimes 2 the library she worked on the computer and did 3 r...
【单选题】—Do you look like your sister? — No, we ____.
A.
look the same
B.
look different
C.
look like
D.
look at
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