Unit 4 Global warming
I. Phrases
1. global warming 全球气候变暖
2. a supply of /supplies of 大量的
3. depend on 依靠
4. human activity 人类活动
5. a natural phenomenon 自然现象
6. be trapped in... 被困在......
7. a quantity of/quantities of + n. 大量的
8. result in 导致..
result from 原因是..
9. as a result = in consequence 因此
as a result of =in consequence of 由于...的缘故
10. build up 逐渐建立
11. keep on 保持
12. make a difference 有影响;有关系
make no difference 对......没有影响;不重要
13. put up with... 忍受
14. as/so long as 只要
15. and so on 等等
16. glance at... 很快地看......一眼..
17. on the whole 大体上
18. compare...to.../compare....with 与...相比
19. come about 发生(不及物)
come across偶遇;穿过