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

定时器定时期间如果SD线圈断电，定时器的当前时间（ ），线圈重新通电时，又从（ ）开始定时。 A: 清0，预设值TV B: 清0，当前值 C: 保持不变，预设值TV D: 保持不变，当前值

TV Sketch/TV Skit

单选题 (1分) 答案保存成功<br/>0 A: It is the second<br/>biggest smart TV maker in China B: It is China's<br/>leading online streaming site with various businesses C: It is the biggest<br/>TV manufacturer in China D: It is China's<br/>first TV manufacturer going global

In China, most parents usually don’t let children_____. A: watches TV B: watch TV C: watching TV D: to watch TV

2 pick up a TV ____ turn on a TV ____

This TV is ____ all the other TV in the department store.

The passage is mainly concerned with ______. A: research on TV influence B: sex and violence on TV C: parents' protest against sex and violence on TV D: control of TV influence on children

The TV play is really wonderful. (改为感叹句)________ __________ the TV play is!

和TV产品根据（）不同，包括和TV、和TV（IPTV）两类 A: 资源 B: 产品类型 C: 资费