【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...
【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;
【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 ...
【单选题】5输入异型血多少毫升即可发生溶血反应()