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当前位置:首页 > 幼儿/小学教育 > 小学教育 > 高一英语课件Unit19Readingandlanguagepoints高一英语课件
Unit19ModernAgriculture145671Prereading283Agriculture:TraditionalfarmingModernfarmingHi-techfarmingInthefirstpicture:Achicken/Ahen.Inthesecondpicture:Afarmerfeedingchickens.Inthethirdpicture:Amodernchickenfarm.Whatarethedifferences?Comparetheoldandthemodernwaysofraisingchickens.OldwayModernwayAfarmercanonlykeepafewchickens.Afactorycankeepthou-sandsofchickens.Itcostonlyalittlemoney.Itcostalottostartafactory.don’thavemanyproblemsifill,manydieorarekilledTheeggsandmeataretasty.Theydon’ttastesodelicious.Thechickensarefree.notfree,cansitinsmallcagesInthefirstpicture:Apileofanimalshit(manure)Inthesecondpicture:Abagofchemicalfertilizer.Whatarethedifferences?Comparetheoldandthemodernwaysoffeedingthecrops.NaturalFertilizerChemicalFertilizerItisfreeorcostverylittle.Itiseasytobeputintothefields.Itusuallyhasabadsmell.Ittakeslittleplacetostore.Itisdifficulttocarryandmove.Itisexpensivetobuy.Itneedslotsofworktobemade.Itusuallyhasnosmell.Itneedsalotofplacetostore.Itiseasytotransport.Inthefirstpicture:*Patchesoffarmfields.Inthesecondpicture:*Afarmerisploughingthefieldwithananimal.Inthethirdpicture:*Farmersusethetractortoworktheland.Whatarethedifferences?Comparetheoldandthemodernwaysofploughingthefields.UsingAnimalsUsingMachinescheaptoownandtokeepexpensivetobuyandtouseTheyresultinpollution.Theycanbeusedindif-ferentplacesTheydon’tneedresttoooften.Theycanbefoodwhentheyareold.Theydonotpollutetheair.Theycanonlybeusedonflatanddryland.Theyneedrestnowandthen.Theycanbesoldtosteelfactorieswhenbroken.Inthefirstpicture:*Terracedfields.Inthesecondpicture:*Drybarrenfarmland.Inthethirdpicture:*Irrigatedfarmland.Inthefourthpicture:*Greenhouses.Whatarethedifferences?Comparetheoldandthemodernwaysofirrigation.NaturalClimateControlledClimateinbadweather,cropslostclimatecontrolled,lessdamageThelandscapelosesitsnaturalbeauty.Onlyarablelandcangrowcrops.Greenhousescanbebuiltalmosteverywhere.Thelandscapeismorebeautiful.Ifthereisapowerfailure,youmaylosecrops.2.Whilereading1)Scanning:Q1:What’sthebiggestproblemtoChinesefarmers?Q2:WhatdoesGMmean?Theshortageofarableland.“G”standsfor“genetically”“M”standsfor“modified”2)SkimmingPara.1ModernizationinfarmingtechniquesPara.2GMresearchontomatoPara.3Greenhouse–asolutionfortheshortageofarablelandPara.4GMusedinAgriculturePara.5BalancebetweenfoodproductionandenvironmentPara.6AgricultureingeneralinChina1.HowmuchdoesarablelandtakeupinChina?Paragraph1ItisonthisarablelandthatthefarmersproducefoodforthewholepopulationofChina.就是在这些耕地上,农民们生产了供全中国人口的粮食。强调句型“Itis…that…”,强调介词短语,指地点.Itwasfromtheearly1990sthatscientistsstartedtodevelopnewtechniquestoincreaseagriculturalproductionwithoutharmingtheenvironment.•Imetwithhimintheparklastnight.inthepark2.Howmanywaysarementionedtomakethelandproducemore?Whatarethey?Paragraph2•fertilization•irrigationwithelectricpumps•twoormorecropsareplantedeachyear•moreadvancedtechnicalinformation2.Tomakeasmuchuseofthelandaspossible,twoormorecropsareplantedeachyearwherepossible.1)makeuseof利用makegood/fulluseof…(todo)好好/充分利用…做makethebestuseof最充分地利用Eg.WemadegooduseofoursparetimetolearnEnglish.2)as…aspossible/sbcan/could尽可能…Eg.1)Hespentasmuchtimeashecouldimprovinghismaths.2)Trytoreadasmanybooksaspossiblewhenyoung.3)wherepossiblewherepossible是地点状语从句=whereitispossible的省略形式。在类似结构中,itis/was常常省略。1)Fillintheblankswitharticle____(在必要的地方).2)Cometoseeher(可能的时候).wherenecessarywhenpossible3.bringin1)Thesettlersalsobroughtinsomewordsfromtheirownlanguage.2)Thiscompanyhasbroughtinadvancedtechnologyandequipment.3)Hiswordbringshimin3,000yuanamonth.4)Farmersinthesouthhavealsobroughtingoodcrops.带来引进挣得收获引进,带来,挣得,收获•bringabout引起(事故,变化);导致,致使•bringaround把某人带到某场所•bringdown降价•bringon带来,引起•bringup教育,提出,培养3.Whatdoesnewtechniquesmean?Paragraph3Thosethatareusedtoincreaseagriculturalproductionwithoutharmingtheenvironment.Futureagricultureshoulddependonhightechnologyaswellastraditionalmethods.dependon信赖;依靠;取决于=Futureagricultureshoulddependonnotonlytraditionalmethodsbutalsohightechnology.Hewasn`tapersontobedependedon/upon成功与否取决于你的努力和能力。Thatdepends./Italldepends.3.Notonlyisfoodproductionimportantbutalsotakingcareoftheenvironment(isimportant).•Hewillnotonlyunderstandyoubutalsohewilladmireyou.•Notonlywillheunderstandyoubutalsohewilladmireyou.•Henotonlydanceswellbutalsohesingswell.•Notonlydoeshedancewellbutalsohesingswell.•Notonlyyoubutalsoheisright.•Notonlyfoodproductionbutalsotakingcareoftheenvironmentisimportant.•HowdoscientistssolvetheproblemthatChinesefarmersareinshortofarableland?•GrowvegetablesingreenhousesParagraph42.ThebiggestproblemofChinesefarmersisthe_________of_______land.Usingthe______technologies,Chinesescientistsgrowvegetablesin___________.The_______ofthesevegetablesarenotplantedinearthbut_______inwaterthat________allthenutrientsthey______togrow.shortagearablelatestgreenhousesrootshangcontainsneednot…but…不是…而是…Thetablewasnotmadeofwoodbutofiron.Nottheteacher,butthestudentsarehopingtogothere.•nomatterhow(+adj./adv)+clause•Nomatterhowyoutravel,youwillnotgetthereinlessthantwodays.•Nomatterhowrichheis,hewillneverbesatisfied.•
本文标题:高一英语课件Unit19Readingandlanguagepoints高一英语课件
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