Unit 4 Global warming
课前预习
单词拼写
2. The g_______ shows temperature changed a little.
3. The a_________ of 4,5 and 9 is 6.
4. This de cision could have serious c__________ for the future of the industry.
5. With the development of industry, more and more people died from air p_____ ___.
6. This species of bird is ____________ (减少) in number every year.
7. Low-lying countries feel their very ___________ (存在) is in danger from rising sea level.
8. This _______ (资料) was collected from 80 countries.
9. Wood, coal, oil and gas are _______(燃料).
10. The contract clearly ________ (叙述) when the work should be finished.
重点短语
1._______________ run out 2. _______________ run out of
3. _______________compared to 4. _______________发生；产生
5. _______________huge quantities of 6. _______________the amount of
7. _______________ an amount of 8. ______________ _go up
