Read and judge．（阅读短文，判断正误，正确的写“√”，错误的写“×”。）      

    Hello, boys and girls.I am a robot. Myname is Mingming.I have two big eyes         and a big mouth.I

can speak Chinese and English.I can play football and basketball very well.I can sing and dance, too. But

I can't swim.Am I cool? Do you like me?

(  )1. Mingming is a robot.

(  )2. Mingming has got small eyes and a big mouth.

(  )3. Mingming can't speak English.

(  )4. Mingming can swim.

虚函数必须是类的

A．成员函数

B．友元函数

C．构造函数

D．析构函数