2. 22 Unit The environment

5. The beautiful earth is our home.Do you love to live here?

6. Compared with the last few years, the environment is getting worse.

9. Did you do anything bad for the environment in your daily life? What should we do to protect the environment in our daily life?

10. 1.Use the handkerchief instead of the paper napkin. 2.Use paper bag instead of plastic bag. 3. Don’t use one-off chopsticks. 4. Go to work on foot or by bike not by car. 5. Throw cans, bottles, paper and plastic into the dustbin. ……..

11. 1.one: pron. 我有几本中国食谱, 如果你想看的话可以借一本给你. I've got a few books on Chinese food. You can borrow one if you like. 如果你坐火车, 你会有一次舒服的旅行, 不过一定 要坐快车. If you go by train, you can have quite a comfortable journey, but make sure you get a fast one.(05 全国 I) train a book

12. 请给办公室每人准备一本, 再给来访者额外准备一 些. Would you make a copy for everybody in the office and a few extra ones for the visitors. copies --- 你想要哪块蛋糕 ? --- 前面的 那块. "Which cake would you like?" "The one at the front." cake

13. Note: one 表示承接前面已出现过的同类可数名词， 承接同一个东西时用 it. one 只能代替单数可数名词， 复数形式为 ones ，表泛指。 That 可代替单数可数 名词和不可数名词，复数形式为 those, 表特指，通 常有后置定语。 Eg. 1.---Do you have a camera? ---No, but my father has one. He bought it a week ago. 2.The air of a suburb is cleaner than that of a city.

14. 高考链接 1. （ 2004 全国 I ） We needed a new cupboard for the kitchen. So peter made _______from some wood we had. A. it B. one C. himself D. another 2. (NMET 2002) Meeting my uncle after all these years was an unforgettable moment, ______I will always treasure. A. that B. one C. it D. what

15. 高考链接 3. (NMET2000) ---Why don ’ t we take a little break? ---Didn ’ t we just have ______? A. it B. that C. one D. this 4. (NMET93) I was disappointed with the film. I had expected ______ to be much better. A. that B. this C. one D. it 5. (2005 天津 ) I prefer a flat in Inverness to _______ in Perth, because I want to live near my Mon ’ s. A. one B. that C. it D. this

16. 高考链接 6. (2005 浙江 ) We ’ ve been looking at houses but haven ’ t found _________ we like yet. A. one B. ones C. it D. them 7. (2005 江西 ) Cars do cause us some health problems ---in fact far more serious ________than mobile phones do. A. one B. ones C. it D. those

17. 2. man: [U] the human race. 人类。 (without the article the or a) 人类比最聪明的机器人还要智慧得多. Man is still far more intelligent than the cleverest robot. 人类正在迅速地毁灭自然. Man is rapidly destroying the Earth. 这是人类所知道的最危险的物质之一. This is one of the most dangerous substances known to man 。

18. 高考链接 (2004 广东 ) While he was investigating ways to improve the telescope, Newton made ______ discovery which complete changed ______ man ’ s understanding of colour. A. a;/ B. a; the C./; the D. the; a

19. A nation destroying its environment destroys itself. ------ F.D.Roosevelt

20. Thank you for your attention!