听一段对话，回答第11 — 12小题。答题完毕，请等待“嘀”的信号，进入第一篇短文。
()11. Why do dolphins make sounds?
A. To sing songs.
B. To drive other animals away.
C. To communicate（交流）and find food.
()12. What does dolphins' "smile" mean?
A. They feel happy seeing humans.
B. It's just how their mouth looks.
C. They want more fish from trainers.

听第一篇短文，回答第13 — 15 小题。请根据短文内容，选择正确答案，完成信息记录表。答题完毕，请等待“嘀”的信号，进入下一篇短文。

()13. A. Most B. Quite a few C. Very few
()14. A. too weak B. too lazy C. too tired
()15. A. angry B. hungry C. in danger

听第二篇短文,回答第16 — 20小题。
()16. What happens when forests are cut down?
A. More trees can grow. B. Animals get more food. C. Animals lose homes.
()17. What ocean problem is talked about?
A. Too many fish. B. Plastic pollution. C. Dirty beaches.
()18. What makes polar bears hard to find food?
A. Ice melting. B. Hunting. C. Less sea water.
()19. What can schools do to help protect animals?
A. Teach students how to hunt animals.
B. Organize activities like planting trees.
C. Build more reserves to keep wild animals safe.
()20. What is the speaker's main message about animal protection?
A. Our children don't care about wild animals.
B. Only scientists need to worry about saving animals.
C. Everyone can help protect animals for the future.