10. What is the probable relationship between the speakers?

　A. Fellow workers. B. Classmates. C. Brother and sister.

11.What will the woman do this weekend?

　A．Go sightseeing. B. Have a barbecue. C. Stay at home.

12. What will the man's family celebrate?

　A. The birth of a baby. B.A wedding. C.A birthday.

听第9段材料，回答第13至16题。

13. Where does the man most probably work?

　A. In a zoo. B. In a radio station. C. In an advertisement company.

14. What does the woman say about zoo?

　A. It serves too many tourists. B. It should be closed. C. It is badly run.

15. What advice will the man probably take?

　A. Ask a company for help.

　B. Advertise the zoo in the newspaper.

　C. Find another place to keep animals.

16.What are the speakers mainly talking about?

　A. How to manage a zoo well.

　B. How to raise money for a zoo.

　C. How to protect endangered animals.

听第10段材料，回答第17至20题。