听第一段对话，回答第11－12题。
11. What did Mike and others collect during the clean-up?
A. Wooden chopsticks.
B. Paper and glass.
C. Bottles and food waste.
12. What does Mike suggest to improve the environment?
A. Use public transportation.
B. Stop buying takeaway food.
C. Plant trees and teach recycling.

11.C 12.C

听第二段对话，回答第13－15题。
13. What did Sue forget to do?
A. Turn off the TV.
B. Turn off the shower.
C. Turn off the lights.
14. What kind of hair does Sue have?
A. Long hair.
B. Short hair.
C. Curly hair.
15. What can we learn about Sue's mother?
A. She never goes shopping.
B. She often uses plastic bags.
C. She uses reusable bags when shopping.

13.C 14.B 15.C

Ⅲ. 听一篇短文。短文后有五个小题，从题中所给的 A、B、C 三个选项中选出最佳选项。短文读两遍。
16. What does the school coffee shop stop using?
A. Paper cups.
B. Plastic forks.
C. Wooden plates.
17. What do the posters remind students to do?
A. Eat healthy food.
B. Save energy.
C. Wear uniforms.
18. What happens on “No-Car Day”?
A. Buses are free.
B. Schools close early.
C. Cars stay at home.
19. What do garden boxes provide?
A. Fresh vegetables.
B. Clean water.
C. Useful tools.
20. How does the speaker feel about making a change?
A. Proud.
B. Excited.
C. Hopeful.

16.B 17.B 18.C 19.A 20.A

Ⅳ. 听一篇短文。根据短文内容，写出下面表格中所缺的单词，每空仅填一词。短文读两遍。

21. April 22. Environment 23. air 24. greener 25. difference