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【判断题】
9SiCr主要制造变形较小的薄刃低速切削刀具，如丝锥、板牙、铰刀等等。A.
正确
B.
错误
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皮皮学刷刷变学霸
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【单选题】Normally a student must attend a certain number of courses in order to graduate, and each course that he attends gives him a credit(学分) which he may count towards a degree. In many American universiti...
A.
36
B.
12
C.
20
D.
15
【简答题】请写出程序运行结束时y的内容。int x=15;int y=13;y|=x;x<<=2;y&=x;< /div>
【单选题】Normally a student must attend a certain number of courses in order to graduate, and each course which he attends gives him a credit which he may count towards a degree. In many American universities ...
A.
36
B.
12
C.
20
D.
15
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