5. Why does the Chinese New Year change every year?

  A. It’s based on the different calendars.

  B. It’s in the extra month.

  C. It’s set as a holiday.

6. In what year was the man born?

  A. Year of the Rooster.

  B. Year of the Pig.

  C. Year of the Ox.

听第三段独白，回答第7～9题。

7. Why is the marathon at the 1968 Olympics a truly historic event?

    A. Because three runners tried very hard to win the marathon.

    B. Because Bikila won his third victory in the marathon.

    C. Because the last 13.1Brier won the Olympic marathon.

8. What did Wolde do when he saw Bikila drop out?

  A. He stopped to assist Bikila.

  B. He filled Bikila’s shoes.

  C. He ran even faster.

9. Why did the crowd cheer when the last runner crossed the finish line?

  A. They were surprised to see his wounded leg.

  B. They were greatly moved by his spirit.

  C. They thought he was the winner.

听第四段对话，回答第10～12题

10. Where did the man meet Claudia?

  A. At a class discussion.

  B. At a music store.

  C. On the Internet.

11. What is the relation between the man and Claudia?

  A. Boy friend and girl friend.

  B. Close friends.

  C. Web friends.

12. What does the woman suggest about greeting Claudia'?

  A. Bringing her some flowers.

  B. Using her family name.

  C. Arriving on time.

听第五段独白，回答第13～15题。

13. How do rainforests manage to survive?

  A. By storing large quantities of carbon dioxide.

  B. By developing ways to protect themselves.

  C. By producing a large amount of oxygen.

14. Why d0 the leaves of a tree never actually touch those of others?

A. Because it’s a way to prevent the spread of any tree diseases.

B. Because it makes it difficult for insects to eat leaves.

    C. Because animals can j ump between them.

15. How much rain can rainforests produce in some areas in a year?

    A. About 75％of their own rain.

    B. As much as 430 inches.

C. At least 80 inches.