1、Chemical VersusOrganic FarmingLeahU5 Working the land-Using languageLOREM IPSUM DOLORLorem ipsum dolor sit amet,consectetur adipisicing elit,sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.Ut enim ad minim veniam,quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commo
2、do consequat.Do you know how to farm?Chemical Versus Organic FarmingWhich tomatoes do you prefer?5 yuan/kg30 yuan/kgNormal tomatoesOrganic tomatoeschemical pesticidesartificial fertilisersin widespread use in farmingSince 1950smany farmers welcomed fight crop diseaseincrease productionlong-term use
3、harm both the land and peoples health.Some scientists have foundNOWP1P2spraying pesticides on cropsstay in the soil and underground water sources for a long timeaffectsthe cropsthe animals and humans bacteria&insectsharmful helpfulmake ill cause cancerprohibitedCrops grown with them usually grow too
4、 fast to be rich in nutrition.They may look beautiful on the outside,but inside there is usually more water than essential minerals,and they often have less flavour as well.Complete the sentences in the tables.Para.Main IdeaDetail 1-2 Pesticides can kill helpful _Some pesticides have been _ because
5、of the _Crops grown with chemical fertilisers usually _ to be full of _.bacteria and insects prohibiteddamage grow too fast nutritionDThe problems with chemical farming As an alternative,some farmers have switched to organic farming,and many customers have turned to organic food when they shop at th
6、e 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.For example,many organic farmers use natural waste from animals as fertiliser.This makes the soil in their fields richer in mineral
7、s.It also keeps the air,soil,water,and crops free of chemicals.P3How is organic farming different from chemical farming?Organic farming is simply farming without using any chemicals.focus on keeping their soil richfree of disease through natural meansPara.Main IdeaDetail 3Many organic farmers use _
8、as fertiliser.natural wasteAWhat organic farming is P4Except for kitchen&animal waste,what else can help produce rich soil without chemicals?4Main idea:C Organic methods for producing rich soilThey often _grown in each field _.They also plant crops that use _ of the soil to help keep it rich.change
9、the kind of crop every year different depths because they put important minerals back into the ground,making it ready for the next batch of crops to grow good food while avoiding damage to the environment or to peoples healthP5Should we stop the use of man-made chemicals entirely?What keeps people f
10、rom doing so is the fact that chemical farming serves the high demand for food around the world.Organic farming is nowhere near able to meet that need.远远不可能；远非远远不可能；远非There is still There is still a long way toa long way to find a suitable solution that find a suitable solution that puts puts suffic
11、ientsufficient food on the dinner table while keeping food on the dinner table while keeping people and the environment as healthy as possible.people and the environment as healthy as possible.5Main idea Organic farming is nowhere near able to meet the high _.demand for food B Why man-made chemicals
12、 are still used in farmingWords&expressions review1.被广泛使用被广泛使用2.随着时间推移随着时间推移3.长期的使用长期的使用4.反过来，相反地反过来，相反地5.v.禁止禁止6.v.富含富含.7.必需的矿物质必需的矿物质8.转向转向9.专注于专注于10.例如例如11.满足对食物的高需求满足对食物的高需求12.远非如此，远远不远非如此，远远不13.尽可能的健康尽可能的健康be in widespread use over timelong-term usein turn prohibitedbe rich inessential mineralsswitch tofocus onbe devoted tofor instance,serve the high demand for foodmeet the need/satisfy the need ofnowhere near This is far from the case.as healthy as possiblePresent&Future:High-Tech FarmingThe green economy:Are you willing to get involved in agriculture？NAHTKSThanksThanks
