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1、First, buy or select the seeds from the store.Second, we need to plow（犁田） or turn over the soil.Third , we sow the seeds in the soil.Finally, we can harvest our grain. fertilize the soilto increase production of the crops fertilizer fertilizer How many kinds of fertilizers do you know? chemical fert
2、ilizers natural fertilizerschemical farming organic farming chemical fertilizers natural fertilizersBetter？Chemical Or Organic Farming?Task 1 Skimming（3mins）Find out the main idea of these four paragraphs.Effect of chemical fertilizerProblems caused by chemical fertilizers.P1.P2.Farmers and customer
3、s turn to organic farming. (advantages)Other methods to keep the soil fertile. P3.P4.1.Why are chemical fertilizers so popular in farming today? A.Because they are cheap.B.They are a great way to stop crop disease and increase production.C.They can cause damage to the land.D.They are benefit for peo
4、ples health.Task 2 ScanningParagraph 12. What problems can be caused by using chemical fertilizers? First, they can _ the land by _ the helpful bacteria and pests. They also _ in the ground, _ in peoples bodies and _ cancer or other illnesses. In addition, it usually grows too fast to be full of _.P
5、aragraph 2damagekillingstaybuild uplead tonutrition1. What is organic farming? 2. What are the advantages of organic farming?3. What are the methods to keep the soil fertile?1.Organic farming is farming without using any chemicals.Haha, weve turned to organic farming.Paragraph 3&4 2. What are the ad
6、vantages of organic farming? The farmers _ keeping their soil rich, _ disease and _ the air , soil, water and crops _ chemicals.Paragraph 3focus onreducingkeepingfree from The methods to keep the soil fertile using natural waste from animals as fertilizer. changing the kind of crop in each field . p
7、lanting crops to use different levels of soil. planting grass between crops to prevent The same goal : _ to grow good food and avoid damaging the environment or peoples health.Paragraph 3&41234 In recent days, scientists have discovered that using_ fertilizers for a long time can _ the land and also
8、 peoples health. There are several _ caused by chemical fertilizers. They damage the land, stay in the water for a long time which can _ in peoples bodies and _ many illnesses. chemicalproblemscause damage to build upFill in the blanks according to the passage.lead to_ farming is becoming more popul
9、ar with some farmers. Organic farming does not use any chemicals and _ keeping the soil rich. This also _ the air and crops _ chemicals. There are many organic farming_ for making the land healthy and productive. All of these methods try to produce good food and to keep the environment and peoples h
10、ealth.keepmethodsfocus onOrganicfree from请以请以“Plastic or Cloth bags?”为题为题模仿模仿这篇文这篇文章的篇章结构和句子结章的篇章结构和句子结构去写一篇说明文。构去写一篇说明文。Discussion and practicePlastic Or Cloth Bags?Para1:Para2:Para3:Para4: Have a brief introduction of the present situation. (Effects) The problems caused by using plastic bags. The
11、advantages of using cloth bags. Conclusion.Plastic or Cloth Bags Over the past half century, _ have become very common in _. _ welcomed them as a _ way to _. Recently, however, we have been finding that they can cause damage to _, even_, to peoples health.Plastic bagsour daily lifeWeconvenientcarry
12、goodsenvironmentworseHomework1.Read the text more carefully after class, and underline some useful language points.2.Finish the writing.Over the past half century, have become very common . welcomed them as a way to . Recently, however, we have been finding that they can cause damage to , even , to peoples health.What are some of the problems caused by ? First, they also. In addition, With these discoveries, are beginning to turn to .
