选修六 unit4 高三复习学案

BOOK6 UNIT4

制定陈明军刘付玲审核王炳娥第一部分语法练习

一：重点单词

1. tend tendency------- trend

2. state

3. range

4. average

5. advocate

6. circumstance-------surroundings

7. contribution

二：重点短语

1. come about

2. subscribe to

3. go up

4. result in导致，主语为起因，宾语

5. be opposed to...反对……；与……对

6. even if

7. keep on

8. on the whole

9. on behalf of

10. put up with

11. so long as

12. 在我们的日常生活中______________ 13. be made of---be made from_________________ 14. be used for___________________ 15. heat up______________

16. 向某人解释某事___________________ 17. 对于某事的态度_____________

18. build up_____________________ 19. have little effect on______________

20.break down___________________ 21. 合计为______________

22. run out _____________ 23. 阻止某人做某事__________________

三：句子

1】动词的适当形式填空

1. That probably does not seem much to you or me, but it is a rapid increase when ______(compare) to other natural changes.

2. It means that more heat energy tends to be ______( trap) in the atmosphere ______( cause) the global temperature ______( go) up."

3. We know that the levels of carbon dioxide ______( increase) greatly over the last 100 to 150 years.

4. It was a scientist ______(call) Charles Keeling, who made accurate measurements of the amount of carbon dioxide in the atmosphere from 1957 to 1997.

5. There are many people who have a commitment like yours, but they do not believe they have the power to do anything ______( improve) our environment.

6. They should get you ______( start) with your project.

7. It takes a lot of energy ______(make) things from new materials, so, if you can, buy things ______( make from ______( recycle) materials.

8. It is up to people ______(let) plastic bags become litter.

9. ______( clean) up your cigarette butts and plastic bags would improve the environment.

The earth would be a better place because it would be less ______( pollute). And we would know that we were doing something ______(look) after our planet.

10. However, I believe the best solution would be ______( smoke) or use plastic bags at all.

2】选择合适连词填空

1. These find their way into the water supply ______ they decrease the quality of the water and endanger plants and animals ______ live there.

2. There is no doubt ______ the earth is becoming warmer (see Graph 1) and ______ it is human activity ______ has caused this global warming rather than a random but natural phenomenon.

3. All scientists subscribe to the view ______ the increase in the earth's temperature is due to the burning of fossil fuels like coal, natural gas and oil to produce energy.

4. Dr Janice Foster explains: "There is a natural phenomenon ______ scientists call the 'greenhouse effect'.

5. It means ______ more heat energy tends to be trapped in the atmosphere causing the global temperature to go up."

6. We know ______ the levels of carbon dioxide have increased greatly over the last 100 to 150 years.

It was a scientist called Charles Keeling, ______ made accurate measurements of the amount of carbon dioxide in the atmosphere from 1957 to 1997.

7. They also agree ______ it is the burning of more and more fossil fuels ______ has resulted in this increase in carbon dioxide.

8. ______I'm not sure ______ to start with my project.

9. There are many people ______have a commitment like yours, but they do not believe they have the power to do anything to improve our environment.

10. Apart from the fact ______ butts spoil the beauty of the environment, they contain some very toxic chemicals.

3】

Remember - your contribution counts! 记住，你的贡献是很有价值的。