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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,0,Unit 2 working the land,Using language,(Reading&Writing),Unit 2 working the land,1,First,buy or select the seeds from the,shop,.,The process of farming,shop,First,buy or select the seeds,2,Second,plow,（犁田）,or turn over the soil.,Second,plow（犁田）or turn over,3,Third,sow the seeds in the soil.,Third,sow the seeds in the s,4,Finally,harvest,our,grain,.,Finally,harvest,5,to increase,production,of the,crops,fertilizers,to increase production of the,6,fertilizer,How many kinds of fertilizers do you know?,chemical,fertilizers,natural,fertilizers,fertilizer How many kinds,7,chemical,farming,organic,farming,chemical,fertilizers,natural,fertilizers,Better,？,chemical farming organi,8,Chemical Or Organic Farming?,Chemical Or Organic Farming?,9,Effects of chemical fertilizer,Problems caused by chemical fertilizers.,P1,.,P2,.,Farmers and customers turn to,organic farming.(advantages),Other methods to keep the soil fertile.,P3.,P4,.,Task 1,.,Skimming,for the main idea,Effects of chemical fertilizer,10,Skimming,:,read the passage quickly,to get a general idea,You can get it from the first,the last paragraph and also topic sentence,Reading skill:,Skimming:read the passage qui,11,Effects of chemical fertilizer,Problems caused by chemical fertilizers.,P1,.,P2,.,Farmers and customers turn to,organic farming.(advantages),Other methods to keep the soil fertile.,P3.,P4,.,Task 1,.,Skimming,for the main idea,Effects of chemical fertilizer,12,Why are chemical fertilizers so popular in farming today?,2.What problems can be caused by using chemical fertilizers?,3.What is organic farming?,4.What is the purpose of using organic,farming methods,？,Task 2,Scanning,Why are chemical fertilizers s,13,Scanning,:skip(,跳读,)the passage quickly,to find the details or specific,information,Reading skill:,Scanning:skip(跳读)the passage,14,Why are chemical fertilizers so popular in farming today?,2.What problems can be caused by using chemical fertilizers?,3.What is organic farming?,4.What is the purpose of using organic farming methods,？,Task 2,Scanning,Because they can stop crop disease and increase production,.,First,they can,damage,the land by,killing,the helpful bacteria and,pests.They,also,stay,in the ground,build up,in peoples bodies,and,lead to,cancer or other illnesses.,In addition,it usually grows,too fast to be full of,nutrition,.,Organic farming is farming without using any chemicals.,To grow good food and to avoid damaging the environment or peoples health.,Why are chemical fertilizers s,15,Para1,Topic,Para2,Problems,Para3,Advantages,Para4,Methods,illustration,（阐明）,comparison,conclusion,Th,e type of the article is_,Exposition,（说明文）,The structure of this passage,Para1 Topic illustration（阐明）Th,16,请以“,Plastic or Cloth bags?”,为题,模仿,这篇文章的篇章结构和句子结构去写一篇说明文。,使用塑料袋的害处有：,1.“,白色污染”的主要来源；,2.,不可回收再利用；,3.,燃烧污染空气；,4.,污染土壤和地下水。,使用环保袋的好处有：,1.,可以大量减少塑料袋的使用；,2.,使用寿命比纸袋长；,3.,可以循环利用；,4.,价格低廉，易于推广。,writing,使用塑料袋的害处有：writing,17,Part1:,Brief introduction of the,present situation.(Effects),part2,:,The problems caused by using,plastic bags.,Part3:,The advantages of using cloth bags.,How many parts are there in your composition?,What does each part talk about?,Tips,Have a discussion in pairs,what to write,Part4:,Conclusion.,Plastic Or Cloth Bags?,Pre-writing,Part1:Brief introduction of,18,5-step,The method of writing,Step,1,:,choose the right tense,(,时态,),_,Step,2,:,key words,(,关键词,)_,Step,3,:,put words into sentence,(,连词成句）,Step,4,:,put sentences into article,（连句成文）,Step,5,:,correcting,(,检查校对）,past/,present/future,?,Some conjunctions(,连词）,:,white pollution,recycle ,reuse,how to write,First of all,firstly,secondly,what,s more,in addition,not only,but also,for one thing,for another,on the one hand,on the other hand,last but not least,in my opinion,as far as I am concerned,Pre-writing,5-stepThe,19,Over the past half century,have become very common,welcome them as a.way to .Recently,however,we have been finding that they can cause damage to,even to people health.,What are some of the problem caused by.?,First of all,whats more,/,in addition,Last but not least,With these discoveries,are beginning to turning to.,For one thing,.,For another,/,on the one hand,on the other hand,All in all,/,In my opinion,/,As far as I am concerned,lets welcome and say no to,While-writing,Over the pas,20,Challenge yourself,Prepare,a composition,“Plastic Or Cloth Bags?”,While-writing,Challenge yourself Prepare a,21,使用塑料袋的害处有：,1.“,白色污染”的主要来源；,2.,不可回收再利用；,3.,污染空气，土壤，地下水,使用环保袋的好处有,：,1.,大量减少塑料袋的使用；,2.,使用寿命比纸袋长；,3.,可以循环利用；,4.,价格低廉，易于推广。,“,Plastic Or Cloth Bags?”,Over the past half century,have become very common,What are some of the problem caused by.?,First of all,secondly,whats more,/,in addition,With these discoveries.,are beginning to turning to.,For one thing,.,For another,/,on the one hand,on the other hand,Last but not least.,In my opinion,/,As far as I am concerned,lets welcome and say no to,使用塑料袋的害处有：,22,green food,organic food,What can we learn f
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