8A Unit 7 单元重点短语
1. 珊瑚礁
coral reefs
2. 是……的家园
be home to ...
3. 如此……以至于
so... that ...
4. 蓄水
keep/hold/store water
5. 生物
living things
6. 非生物
non-living things
7. 发挥作用
play a role
8. 维持/破坏平衡
keep/harm the balance
9. 持续不断地
on and on
10. 摆脱;去除
get rid of
11. 预防洪水
prevent floods
12. 表现得像;起……作用
act like ...
13. 组成;构成
make up
14. 三分之一
a third
15. 吸收;接纳
take in
16. 二氧化碳
carbon dioxide
17. 放慢速度
slow down
18. 以……为食
feed on ...
19. 相当多;不少
quite a few
20. 导致某物做……
cause sth. to do
21. 破坏环境
damage the environment
22. 在……的东北部
in the north-east of ...
23. 珍稀鸟类
rare birds
24. 丹顶鹤
red-crowned cranes
25. 短暂停留
for a short stay
26. 导致;通向
lead to
27. 持续捕鱼;不断钓鱼
keep fishing
28. 制定法律
make/create laws
29. 给……带来麻烦
bring trouble to ...
30. 免受……;摆脱……
free from ...
31. 建立;设立
set up
32. 使某物保持平衡
keep sth. balanced
33. 破坏生态系统
damage the ecosystem
34. 外出就餐
eat out
35. 鼓励某人做某事
encourage sb. to do sth.
36. 你说得对!
You said it!
37. 保护某物安全
keep sth. safe
38. 海洋生物
sea life
39. 解决问题
solve the problem
40. 环保产品
environment-friendly products
答案：1. coral reefs
2. be home to ...
3. so... that ...
4. keep/hold/store water
5. living things
6. non-living things
7. play a role
8. keep/harm the balance
9. on and on
10. get rid of
11. prevent floods
12. act like ...
13. make up
14. a third
15. take in
16. carbon dioxide
17. slow down
18. feed on ...
19. quite a few
20. cause sth. to do
21. damage the environment
22. in the north-east of ...
23. rare birds
24. red-crowned cranes
25. for a short stay
26. lead to
27. keep fishing
28. make/create laws
29. bring trouble to ...
30. free from ...
31. set up
32. keep sth. balanced
33. damage the ecosystem
34. eat out
35. encourage sb. to do sth.
36. You said it!
37. keep sth. safe
38. sea life
39. solve the problem
40. environment-friendly products
