听一段对话，回答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 they think planting more trees is good for the environment?
A. Because trees are more beautiful.
B. Because trees reduce dust and help keep the air clean.
C. Because trees can't help keep soil in place during storms.
12. What are they going to do this week?
A. They're going to plant trees.
B. They're going to cut down trees.
C. They're going to protect animals.

11. B 12. A

听第一篇短文，回答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。
How to live a green life
Save water and 13
• turn off the tap when we brush teeth
• turn off lights when we leave a room
Reduce 14
• take ourwn bags when shopping
• separate waste into different groups
Develop a green lifestyle
• do more exercise and watch less TV
• plant some 15 at home
13. A. money B. power C. food
14. A. pollution B. production C. population
15. A. trees B. grass C. flowers

13. B 14. A 15. C

听第二篇短文,回答16~20小题。
16. What kind of materials were the medals made from?
A. Natural materials.
B. Recycled materials.
C. Expensive materials.
17. How much silver was needed at least to make the medals?
A. 2,400 kg.
B. 3,200 kg.
C. 4,100 kg.
18. What was set up across Japan?
A. Gold companies.
B. Collection centres.
C. International schools.
19. When did the activity end?
A. In March 2017.
B. In March 2019.
C. In April 2019.
20. What did the project provide for the world?
A. A new way to save more money.
B. A new way to solve the e-waste problem.
C. A new way to collect old phones and computers.

16~20. BCBBB