1. Check the exercise 1.Translation 2.Making the sentences

2. 1. 多亏了你的建议，我按时完成了这项设计。 ( thanks to ) 2. 咱们把房间里的气味除掉吧. ( rid…of…) 3. 听众们都全神集中于他的精彩演讲. ( focus on) 4. 我宁可坐最慢的火车也不愿坐飞机去. ( would rather 5. 我们需要的时间而不是钱. ( rather than ) 1.Thanks to your advise, I complete the design on time. 2.Let’s rid the house of the smell. 3.The audience all focus their attention on his splendid / wonderful speech. 4.I would rather take the slowest train than fly there ( by plane). 5.We need time rather than money. / what we need is time rather than money.

3. 1. 多亏了你的建议，我按时完成了这项设计 ( thanks to) 2. 咱们把房间里的气味除掉吧. ( rid…of…) 3. 听众们都全神集中于他的精彩演讲. ( focus on) 4. 我宁可坐最慢的火车也不愿坐飞机去. ( would rather 5. 我们需要的时间而不是钱. ( rather than ) Let’s rid the house of the smell. Thanks to your advise, I complete the design on time. The audience all focus their attention on his splendid / wonderful speech. 1.We need time rather than money. / what we need is time rather than money. I would rather take the slowest train than fly there ( by plane).

4. 2.The doctor devoted all his life to the study of cancer. 3.Only then did I understand what he meant. 4.The child / kid is healthy as well as lively. 5.Helping / To help them means helping yourself. 6.The rest of the apple was thrown away. 7.It was yesterday that I bought the dress at a shop nearby. 8.The fine / good weather makes it possible for us to go for an outing next week.

6. farm

7. If you were a farmer, how would you work the land and increase the output?

8. Organic farming? Organic 有机的 Do you know about organic farming? Do you know about organic farming? What does it refer to? What does it refer to?

9. The term ( 专业术语 ) “organic farming” refers to: crops growing with natural fertilizers rather than chemical fertilizers. Natural fertilizer refers to _______________________________ natural waste from animals

10. Structure of the text Problem caused by chemical fertilizers Match the main idea with each para: Using chemical fertilizers for a long time can hurt the land and also people’s health Other methods to keep the soil fertile. Organic farming is becoming more popular with some farmers and many customers after these discoveries came out. Para 1 Para 2 Para 3 Para 4

11. Read the passage and answer the following questions.

12. para1. Why were chemical fertilizers so popular over the past half century? a great way to stop crop disease and increase production.

13. 2. What problems can be caused by using chemical fertilizers? 1. Damage the land by _____ the _____ _____ and pests as well as the harmful ones. 2. Chemical ___ _____ the ground and underground water, which affect the crops. 3. Chemicals in food supply ___ ____ in people’s body, which lead to _____ and _________. 4. Food grown with chemical fertilizers look ____, but inside there is usually more water than _____ and _____. There is no much ______.

14. 3. What is organic farming ? What do farmers do to make the soil rich and free from disease? Organic farming means growing crops without using any chemicals. 1.Make the soil rich in _____ and so more ______. 2.Keep the air, soil, water and crop ____ _____ _____. Use natural waste.

15. 4. What is the goal for using organic farming methods? What methods do the farmers use to keep the soil fertile? 1.Use natural waste from animal _____. 2.____ the kind of crop every few years. 3.Use different _____ of soil. 4.Farmers prefer planting _____ between crops. Why? How? Why?

16. Organic farmers insist on ________ crops every two or three years. By changing crops, these put the minerals back into the soil, making it rich and healthy and _________ to grow crops that need rich and ________ soil. Some organic farmers prefer planting grass _______ crops to ________ wind or water from ______________ the soil. But whatever they grow, they make sure that what is left in the ground after harvest becomes a _______ fertilizer for the next year’s crop. Organic farming ready changing between prevent carrying away natural fertile

17. Phrases and sentences explanation

18. 1.organic farming 2.increase production 3.long—term use 4.cause damage to… 5.chemical fertilizer 6.stay in 7.underground water 8.wash off 9.food supply 10.build up 11.over time 12.lead to 13.in addition 1. 有机农业 2. 增加产量 3. 长期使用 4. 造成破坏 5. 化肥 6. （东西）留在 … 7. 地下水 8. 冲刷走 9. 食物供应 10. 逐步建立，逐渐积聚，增强 11. 一段时间 12. 导致 13. 另外, 加上

19. 1. 转向 ( 求助 2. 集中于，聚焦于 … 3. 使得免受 4. 用 … 方法做 … 5. 每隔几年 6. 把 … 放回 … （地方） 7. 根扎得深 … 8. 带走, 冲走 1.turn to 2.focus on 3.keep…free from 4.use methods to do… 5.every few years 6.put …back into / to… 7.put down deep roots 8.carry away

20. build up Traffic on this road is building up. He has built up a good business over years. lead to His mistakes led to his failure. This road leads to the railway station. focus on Please focus your mind on the following problem. All eyes were focused on him.

21. Para 1~2 1.Over the past half century, using chemical fertilizer has become very common in farming. 2.What are some of the problems caused by chemical fertilizers? 3.In addition, fruit, vegetables and other food grown with chemical fertilizer usually grow too fast to be full of much nutrition.

22. Para 4: 1.Crops such as peas or soybeans put important minerals back into the soil, making it ready for crops such as wheat or corn that need rich and fertile soil. 2.Organic farmers also plant crops to use different levels of soil, for example, planting peanuts that use the ground’s surface followed by vegetables that put down deep roots. 3.Some organic farmers prefer planting grass between crops to prevent wind or water from carrying away the soil, and then leaving it in the ground to become a natural fertilizer for the next year’s crop.

23. Exercises in class Exercises in class

24. ______ industrial and agricultural products can increase country’s income. A. Expanding B. Exporting C. Buying D. Introducing ______ chemistry, the girl would take up biology at university. A. Other than learning B. Rather than learn C. Instead of learning D. Except learning

25. Don’t ______ Australia with Austria. They are two different countries. A.Confuse B. supply C. Deal D. keep I’d rather have a room of my own, however small it is, than _____ a room with some else. A.share B. to share C. sharing D. to have shared

26. ---- He will come tomorrow. ---- But I’d rather he ____ the day after tomorrow. A.will come B. is coming C. came D. had come The old professor preferred ____ a lecture rather than ____ among the audience. A.giving ; listening B.to give; listen C.to give; listening D.give; listen

27. Homework 1. Collect some information about the safety and importance of green food. 2.Suppose you’re a “green” farmer, design a post to advertise your product.