题目内容
3. He (继续)working though it was late at night.
3. continued
( ) 1. People have planted trees here, so the air is very fresh.
A. two hundreds B. hundreds of
C. hundred of D. hundreds
把下列句子重新排列，使其组成一个完整的对话。
A. Really? How can that be?
B. I know it's a break. But we are having an exam. What's more,noise is a kind of pollution and it's harmful to our ears.
C. You are making so much noise.
D. That sounds terrible. I'm sorry for making that noise. I'll be quieter from now on.
E. Stop!Boy!Stop!
F. Loud noise can cause hearing loss.
G. But it's a break now.
H. Me? What's the matter? 正确顺序：
E D
2. They had to work (support) their families when they were children.
4. He explained to us the causes war yesterday.
3. He knows the ( important ) of obeying school rules.
5. (两年多).Bill has traveled all over China.
they at the airport ？
从方框中选择适当的句子补全对话。其中有两项是多余的。
A：The world's population is so large. Shops are full of people on Sundays.
B： 1 The earth will be full of people and there will be standing room only.
A：That will be a serious problem.
B: 2
A：Look up into the sky. What can you see?
B; 3
A;Oh，yes，the moon is the satellite(卫星) of the earth. Maybe man will fly to the moon and live on the moon one day.
B: 4
A;I mean man can fly to the moon.
B：I think so. But there is no air,no water and no life on the moon. 5
A：Yes，man can't live there before solving these problems.
A. How can we live there?
B. There will be more people next century.
C. I can see the moon and the stars, of course.
D. How should we solve the problem?
E. I beg your pardon?
F. What's the problem?
G. What about you?
1._______ 2._______ 3._________
4._______ 5._________
