Unit 4 Global Warming

I. Phrases

1. global warming 全球氣候變暖

2. a supply of /supplies of 大量的

3. depend on 依靠

4. human activity 人類活動

5. a natural phenomenon 自然現(xiàn)象

6. be trapped in... 被困在……

7. a quantity of/quantities of + n. 大量的

8. result in 導(dǎo)致..

result from 原因是..

9. as a result = in consequence 因此

as a result of =in consequence of 由于…的緣故

10. build up 逐漸建立

11. keep on 保持

12. make a difference 有影響；有關(guān)系

make no difference 對……沒有影響；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 大體上

18. compare…to.../compare….with 與…相比

19. come about 發(fā)生(不及物)

come across偶遇;穿過

come back回來

come down降下;減低

come in進來;到達

come out出來;出版

come up上來;被提出討論;發(fā)芽

come up with追上;趕上

come to 結(jié)果達到;蘇醒

20. heat up 受熱

21. up to 多達; 比得上

22. in the years ahead 今后一些年里

23. carry out 執(zhí)行

24. decrease by 下降了……

decrease (from …) to （從……）下降到

25. greenhouse effect 溫室效應(yīng)?

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.

這對你我來說很可能是無所謂的，但是跟多數(shù)自然變化相比較而言，這卻是一種快速的增長。

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.

毋庸質(zhì)疑的是地球正在變暖,但關(guān)于它變暖的原因是由于人類活動所致還是一種自然現(xiàn)象還存在激烈的爭論。

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

如果沒有這種 “溫室效應(yīng)”，地球的溫度將比現(xiàn)在的溫度還要低33攝氏度左右。

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.

有人認為全球變暖會導(dǎo)致海平面上升好幾米;也有人預(yù)言會出現(xiàn)嚴重的風(fēng)暴、干旱、饑荒、疫病和物種的滅絕．

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

溫室效應(yīng)使得地球表面的平均氣溫達到了15℃.

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

7. Your contribution counts. 你的貢獻很有價值。