1、Chemical Or Organic Farming?Reading第1页 What is the substance we put on the soil which makes crops grow?It is fertilizer.第2页 How many kinds of fertilizers do farmers use?There are two kinds.They are chemical fertilizers and natural ones.第3页Task 1 Skimming(3mins)Find out the main idea of these four pa
2、ragraphs.第4页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.第5页chemical fertilizersWhy are chemical fertilizers so popular in
3、 farming today?Many farmers welcomed them as a great way to stop crop disease and increase production.Paragraph 1Tips:the usage of several adverbs means clear and reasonable connection between parts.Task 1 Scanning第6页合成肥料合成肥料What problems can be caused by using chemical fertilizers?There are three p
4、roblems.First,they can damage as well as.They also stay in the and.In addition,grow too fast to.Tips:connectives(过渡(过渡词)词)and transitional phrases(过渡词)(过渡词)for development first;second;finally;last but not least,etc.第7页1.What is organic farming?2.What are the advantages of organic farming?1.Organic
5、farming means growing crops without using any chemicals.Haha,weve turned to organic farming.Paragraph 3第8页 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.Paragraph 3第9页 The met
6、hods 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 peoples health.Paragr
7、aph 3 and 41234第10页Focus on;lead to;problem;keep free from;method;organic;chemical;cause damage to;build up;discoveryIn recent days,scientists have discovered that using chemical fertilizers for a long time can _ the land and also peoples health.There are several _ caused by chemical fertilizers.The
8、y damage the land,stay in the water for a long time which can _ in peoplesFill in the blanks according to the passage.Focus on;lead to;problem;keep free from;method;organic;chemical;cause damage to;build up;discovery第11页bodies and _ many illnesses.With these _,_ farming is becoming more popular with
9、 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 keep the environment and peoples health.第12页Make a dialogue
10、 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第13页You need to.Its a pity that.Id pr
11、efer.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 expensive but.第14页HomeworkRead the passage more carefully after class,and find some useful language points.Finish the exercises on exercises book.第15页第16页