Years ago, TV sets had pictures only in ____________. People had ___________channels to choose from. They had to _____________ on the TV to change the channel. Today, however, TV sets show pictures in __________.People have hundreds of channels to watch. TVs come with ___________ , so people can change channels from across the room.

【单选题】We’ll have to finish the job, _____. A. long it takes however B. it takes however long C. however long it takes D. long however it takes A. Long it takes however B. it takes however long C. however long it takes D. long however it takes

__________, he always goes to swim in winter. A: However it is cold B: It is cold however C: However cold is it D: However cold it is

Read the following pairs of evidence and decide which one is more convincing. A: Some men spend their free time playing video games or watching TV instead of communicating with their girlfriends or wives. B: According to research conducted by the AAOG, about 25% of men between the ages of 20-35 prefer to spend their free time playing video games or watching TV.However,36% of men still prefer to communicate with their girlfriends or wives.

I’ll have to finish the job, . A: long it takes however B: it takes however long C: long however it takes D: however long it takes

TV Sketch/TV Skit

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.

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