Welcometomyclass!Unit19Unit19ModernAgricultureModernAgricultureHomeHomeLead-inLead-inWarming-upWarming-upGroupworkGroupworkSpeakingSpeakingThinkingThinkingSummary&HomeworkSummary&HomeworkQuiz:Whathastobebrokenbeforeitcanbeused?aneggQuiz:Whatkindofroomhasnowindowsordoors?mushroomQuiz:whatkindofdogdoesn‘tbite(咬人)orbark(叫)?hotdogQuiz:Takeoffmyskin,Iwon'tcry.Butyouwill.WhatamI?anonionbiscuitchocolateicecreamhamburgerUnit19ModernAgricultureWarmingup0102030405060708090GrainOilMeatFruitGrainCottonOilSugarMeatFishFruitQ:Ifthreemillionpigs,sheepandcattlewereraisedduringtheyearsfrom1986to1990,howmanywereraisedfrom1991-1995?(Growthofmajorfarmproducts1991-95comparedwith1986-90percentage)about(3+3x75%)millionQ:Whatgrewmostduringtheyearsof1991-95?Q:Howmuchdiditgrow?(％)Warmingup0102030405060708090GrainOilMeatFruitGrainCottonOilSugarMeatFishFruit2.Whatdoyouthinkcausedthechangesinagriculturalproduce?(giveexamples)3.Whateffectsdoyouthinkthechangesineatinghabitswillhaveonnature?(giveexamples)1.Howarepeople’seatinghabitschangingovertheyears?Whydoesthishappen?Howcanwedevelopagriculturetomeetthechangeofpeople'seatinghabits,withoutdestroyingordamagingtheenvironment?ThinkingGreenhouse,Plantsgrowwellinthehouse.thefatherofhybridriceSpeakingIwanttogiveoneofyoualargepieceofland.ButIdon’tknowwhowillgetit.Soyoushouldfindasmanygoodreasonsasyoucantopersuademetomakeadecision.Workinpairsorwithyourgroupmembersandwritedownyourreasons.A—ricegrowerB—treegrowerC—fishraiserD—pigraiser1.Searchtheinternetfortheanswertothequestion“Howcanwedevelopagriculturetomeetthechangeofpeople’seatinghabits,withoutdestroyingordamagingtheenvironment?”2.Previewthereading.Summary&Homework
