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

come back回来

come down降下;减低

come in进来;到达

come out出来;出版

come up上来;被提出讨论;发芽

come up with追上;赶上

come to 结果达到;苏醒

20. heat up 受热

21. up to 多达; 比得上

22. in the years ahead 今后一些年里

23. carry out 执行

24. decrease by 下降了……

decrease (from …) to (从……)下降到

25. greenhouse effect 温室效应?

II. Sentences

1. That probably doesn’t sound very much to you or to me but it is a rapid increase compared to most natural changes.


2. There is no doubt that the earth is becoming warmer but there is fierce debate over whether it is human activity that has caused this global warming or whether it is just a natural phenomenon.


3. Without the “greenhouse effect”, the earth would be about thirty-three degrees Celsius cooler than it is.

如果没有这种 “温室效应”,地球的温度将比现在的温度还要低33摄氏度左右。

4. Some people think future global warming would cause the sea level to rise by several meters; others predict severe storms, droughts, famines, the spread of diseases, and the destruction of species.


5. It is the greenhouse effect that gives the earth’s surface the average temperature of 15℃ .


6. Together, individuals make a difference. 众人拾柴火焰高。

7. Your contribution counts. 你的贡献很有价值。