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1、Chemical Or Organic Farming?,Reading,What is the substance we put on the soil which makes crops grow ? It is fertilizer.,How many kinds of fertilizers do farmers use ? There are two kinds. They are chemical fertilizers and natural ones.,Task 1 Skimming (3mins),Find out the main idea of these four pa
2、ragraphs.,Long-term use of chemical fertilizers can cause damage to the land and peoples health.,Problems caused by chemical fertilizers.,P1.,P2.,Farmers and customers turn to organic farming.,Other methods to keep the soil fertile.,P3.,P4.,chemical fertilizers,Why are chemical fertilizers so popula
3、r in farming today?,Many farmers welcomed them as a great way to stop crop disease and increase production.,Paragraph 1,Tips: the usage of several adverbs means clear and reasonable connection between parts.,Task 1 Scanning,合成肥料,What problems can be caused by using chemical fertilizers?,There are th
4、ree problems.First, they can damage as well as . They also stay in the and . In addition, grow too fast to .,Tips: connectives(过渡词) and transitional phrases(过渡词) for development,first;second; finally;last but not least ,etc.,1.What is organic farming? 2.What are the advantages of organic farming?,1.
5、Organic farming means growing crops without using any chemicals.,Haha, weve turned to organic farming.,Paragraph 3,2. What are the advantages of organic farming? The farmers focus on keeping their soil rich and free of disease and keeping the air , soil, water and crops free from chemicals.,Paragrap
6、h 3,The methods to keep the soil fertile using natural waste from animals as fertilizer. changing the kind of crop in each field . planting crops to use different levels of soil. planting grass between crops to prevent ,The same goal : _ _ _,to grow good food and to avoid damaging the environment or
7、 peoples health.,Paragraph 3 and 4,1,2,3,4,Focus on; lead to; problem; keep free from; method; organic; chemical; cause damage to; build up; discovery In recent days, scientists have discovered that using chemical fertilizers for a long time can _ the land and also peoples health. There are several
8、_ caused by chemical fertilizers. They damage the land, stay in the water for a long time which can _ in peoples,Fill in the blanks according to the passage.,Summary,Focus on; lead to; problem; keep free from; method; organic; chemical; cause damage to; build up; discovery,bodies and _ many illnesse
9、s. With these _, _ farming is becoming more popular with some farmers. They dont 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
10、 keep the environment and peoples health.,Make a dialogue Nowadays organic food is become popular among customers. Have a conversation in pairs, with one as the farmer who intends to sell organic fruit and vegetables and the other as the customer. The farmer is persuading the customer to buy his or her green food.,Practice,You need to. Its a pity that. Id prefer.because. Its better to. This is good value because. Whats the advantage of.? If I have a choice Ill choose. Its a great pity that. The advantages are. Its more exp
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