1、Chemical versus organic farmingChemical versus organic farmingPeriod 2:Reading for Writingchemical farmingwearing a mask and hat:it may harm peoples healthspraying chemical pesticides or artificial fertiliserspre-readingpre-readingchemical versus organic farming Chemical farming is farming using _ a
2、nd _ while organic farming is simply farming _ using any chemicals.Chemical farming is farming using _ and _ while organic farming is simply farming _ using any chemicals.chemical pesticidesartificial fertiliserswithoutwhile-readingwhile-readingDraw the structure of the textchemical farmingorganic f
3、armingconclusionwhile-readingwhile-readingRead the text carefully and complete the table below.Farmingbenefitsproblemssolutions/methodschemical farmingsolutions:organic farmingmethods:while-readingwhile-reading Chemical pesticides and artificial fertilisers have been in widespread use in farming sin
4、ce the middle of the 20th century.When they were first introduced,many farmers welcomed them as a great way to fight crop disease and increase production.Over time,however,what some scientists have found is that their long-term use can sometimes harm both the land and peoples health.For example,pest
5、icides can damage the land by killing not only harmful bacteria and insects,but also helpful ones.In addition,these chemicals can stay in the soil and underground water sources for a long time.This affects the crops grown on the land and,in turn,the animals and humans who digest them.Many people wor
6、ry that these chemicals may make them ill and even cause cancer.In fact,some pesticides like DDT have been prohibited in most countries because of the damage they cause to people and the environment.As for chemical fertilisers,crops grown with them ususally grow too fast to be rich in nutrition.They
7、 may look beautiful on the outside,but inside there is usually more water than essential minerals,and they often have less flavour as well.Farmingbenefitsproblemssolutions/methodschemical farmingorganic farmingproblems with fertilisers:problems with pesticides:fight crop diseaseincrease productionsw
8、itch to organic farmingharm both the land and peoples healthless nutrition,essential minerals and flavourCheck answerswhile-readingwhile-reading signpost wordssignpost wordsfunctionfunction转折，对比转折，对比举例说明举例说明however,butfor example,in addition,but also,as well并列，递进并列，递进as forin turn引出新话题引出新话题逻辑顺序逻辑顺序
9、As an alternative,some farmers have switched to organic farming,and many customers have turned to organic food when they shop at the local grocery.Organic farming is simply farming without using any chemicals.Organic farmers focus on keeping their soil rich and free of disease through natural means.
10、For example,many organic farmers use natural waste from animals as fertiliser.This makes the soil in their fields richer in minerals.It also keeps the air,soil,water,and crops free of chemicals.Organic farmers also use many other methods to produce rich soil.They often change the kind of crop grown
11、in each field every year.For instance,they may grow corn or wheat in a field one year,and then grow beans there the next.Why different crops are grown is because they put important minerals back into the ground,making it ready for the next batch of crops.Organic farmers also plant diverse crops that
12、 use different depths of soil to help keep it rich.For example,peanuts grow on the groundss surface,but many other vegetables put down deep roots.The goal of using different organic farming methods is to grow good food while avoiding damage to the environment or to Check answersFarmingbenefitsproble
13、mssolutions/methodschemical farmingorganic farmingproblems with fertilisers:problems with pesticides:fight crop diseaseincrease productionswitch to organic farmingharm both the land and peoples healthless nutrition,essential minerals and flavourkeep soil rich and free of diseasekeep.free of chemical
14、suse natural wastechange the kind of crop grown in each field every year.plant diverse crops nowhere near able to meet that needwhile-readingwhile-reading some people would prefer to stop the use of man-made chemicals in agriculture entirely.What keeps them from doing so is the fact that chemical fa
15、rming serves the high demand for food around the world.Organic farming is nowhere near able to meet that need.Therefore,there is still a long way to find a suitable solution that puts sufficient food on the dinner table while keeping people and the environment as healthy as possible.Whats the writer
16、s attitude towards organic farming?fight crop disease increase productionharm the landharm peoples healthlack nutrition,essential minerals,flavourenvironmentally friendlybenefit peoples healthgrow healthy and tasty foodcant meet the needhigher cost of producing foodrequire greater effort to farm.too
17、 expensivecheapkill harmful insects and weedkill good insectsprotect biodiversitydiscussiondiscussionDecide what you support and complete the outline below.In my opinion,_ farming is preferable to _ farming because_.To begin with,_.In addition_.Finally,_.However,as for_ farming,it _.First and foremo
18、st,_.Moreover_.Plus,_.Hence/Therefore,I hold the belief that _.writingwritingdevelop your outline into an essay signpost wordsfunctionfor example,for instance.举例说明举例说明however,but,nevertheless,yet.转折，对转折，对比比in addition,additionally,not only.but also,as well,plus,moreover,whats more.并列，递并列，递进进as for,in terms of,when it comes to.转换新话转换新话题题in turn,in fact,thus,then,next.逻辑顺序逻辑顺序writingwriting Review your partners draft according to the checklist.checklistchecklistsample sample writingwritingThank You
