有如下程序: #include using namespace std; class TV{ public: TV(int s=41):size(s) { } TV(const TV &r):size(r.size) { } ~TV() { } private: int size; }; TV fun(TV &u) { TV t=u; return t; } int main() { TV x,y; x=fun(y); return 0; }则 TV 类的复制构造函数被调用的次数是
A: 1次
B: 2次
C: 3次
D: 4次
A: 1次
B: 2次
C: 3次
D: 4次
举一反三
- In China, most parents usually don’t let children_____. A: watches TV B: watch TV C: watching TV D: to watch TV
- What did the man plan to do at first when his old TV did’t work well A: Exchange the old TV for a cheaper one. B: Buy a cheaper TV. C: Buy a new TV of about 2,400 dollars. D: Buy a new TV of the same size and quality with the old one.
- 2 pick up a TV ____ turn on a TV ____
- TV Sketch/TV Skit
- This TV is ____ all the other TV in the department store.