23. I really want to know         with the pollution problem.

A. how to do          B. what to do          C. what to deal          D. what to work

22. ――How long         you         in this school?

    ――For more than two years so far.

A. have, studied         B. did, live            C. do, stay              D. were, stay

21. "Chang-E No.1 Satellite" told us that there         no life on the moon.

A. was                B. is                  C. be                  D. are

20. Why didn't Dick play in the water the third day?

A. Because he did as his mother said.

B. Because there was no water on the playground.

C. Because the older boys were in it. He couldn't play there.

Ⅱ．单项选择：(每小题1分，共15分)

19. What did Dick's mother say the next day?

A. She said, "I'll tell your teacher if you go to play in the water again."

B. She said, "I'll tell your headmaster if you play in the water again."                                                                                                                                                                                                            C. She said, "I'll tell your father if you go to play in the water again."

18. Why did Dick's mother get angry one afternoon?

A. Because Dick came home late.

B. Because Dick was all wet when he came home.

C. Because Dick's shoes were lost.

17. What place did Dick go past every day?

A. A playground.             B. A park.                              C. A shop.

16. How did Dick go to school every day?

A. By bike.                  B. By car.                               C. On foot.

15. What's the temperature in Chengdu?

A. It's five to seven.       B. It's seven to fourteen.           C. It's eight to fourteen.

14. When did it snow in Xi'an?

A. Last night.              B. Last week.                                 C. Yesterday.