An operator is normally a woman_______________.
A. working at the reception desk
B. working at the Switchboard
C. working in the office of the manager
D. working at the Business Center
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_____________desk is responsible for receiving and processing reservation.
A. Front Office
B. Reservation
C. Reception
D. Cashier's
A good teacher always tries to _______ students to ask question.
A. encourage
B. obey
C. recall
D. spread
定义一个平面点类Point,包括私有坐标成员double x, y。在此基础上公有派生出正方型类和矩形类,其中数据成员包括左上顶点以及边长,在主函数测试各个类的成员函数,包括构造函数、设置信息的set()、输出各种图形的基本信息show(),输出顶点的位置、边长以及面积。