unit 19 modern agriculture 第二课时教案

精品文档2016全新精品资料全新公文范文全程指导写作独家原创1/9UNIT19MODERNAGRICULTURE第二课时教案UNIT19MODERNAGRICULTURE第二课时教案ITEACHINGAIMSTALKABOUTMODERNAGRICULTUREANDITSEFFECTSONPEOPLESLIFELEARNHOWTOGIVESOMEBODYADVICEANDMAKEDECISIONSSIMILARDIALOGUEPRESENTATIONWITHNEWWORDSANDEXPRESSIONSUSEDWITHINIITEACHINGAIDSTAPERECORDER,PICTURES,SLIDESSTEP1PREREADING1LETSSLOOKATTHEFOLLOWINGPICTUREANDFINDOUTTHEDIFFERENCEBETWEENTHEMODERNFARMINGANDTRADITIONALFARMINGLETSSFINDOUTTHEADVANTAGESANDDISADVANTAGESOFEACHWAYSANDFILLINTHETABLESLIDESHOWRAISINGCHICKENS精品文档2016全新精品资料全新公文范文全程指导写作独家原创2/9SMALLSCALELARGESCALEHORSEPOWERANIMALSBUFFALOALSOOXMACHINESTRACTORCLIMATECONTROLOPENAIRGREENHOUSE2GROUPWORKGETSSWORKINPAIRANDDISCUSSTHEQUESTIONWHATOTHERCHANGESHAVEHAPPENEDONFARMSINTHELAST100YEARS3TSUMUPINAFEWWORDS“WITHTHEDEVELOPMENTOFTHENEWTECHNIQUE,THEAGRICULTURALPRODUCTIONHASINCREASEDTHEFARMERSCANUSECHEMICALFERTILIZATIONTOMAKECROPSTRONGERANDBETTERANDTHEYCANUSEADVANCEDMACHINESTOIRRIGATEORCULTIVATETHEFARMLAND”STEPIIREADING1SKIMMINGT“WHATSTHETITLEOFTHEREADINGPASSAGE”SS“MODERNAGRICULTURE”精品文档2016全新精品资料全新公文范文全程指导写作独家原创3/9T“WHATDOESITMEANINCHINESE”SS“现代农业”T“HOWTOSAY传统农业INENGLISH”SS“TRADITIONALAGRICULTURE”T“CANYOUIMAGINEWHATTRADITIONALAGRICULTUREISLIKE”SSLETSSREADTHETEXTFIRSTLYANDANSWERTHEFOLLOWINGQUESTIONSHOWMUCHLANDCANBEUSEDFORFAMINGINCHINASEVENPERCENTOFTHELANDWHATISTHEADVANTAGEANDDISADVANTAGEOFCHEMICALFERTILIZATIONITHELPSTOPRODUCEBETTERCROPSBUTISHARMFULTOTHEENVIRONMENTWHATISTHEBIGGESTPROBLEMOFCHINESEFARMERSTHESHORTAGEOFARABLELAND2SKIPPING精品文档2016全新精品资料全新公文范文全程指导写作独家原创4/9LETSSREADTHEPASSAGEFORTHESECONDTIMEANDANSWERTWOQUESTIONSWHATDOES“GM”STANDFOR“G”STANDSFOR“GENETICALLY”FROMTHEWORD“GENES”“M”STANDSFOR“MODIFIED”,WHICHMEANS“CHANGED”WHATISTHEADVANTAGEOFTOMATOESWHICHWEREUSINGTECHNIQUEKNOWNAS“GM”THETOMATOESAREBIGGERANDHEALTHIERTHEYCANGROWWITHOUTDANGERFROMDISEASESTHEYALSONEEDMUCHLESSTIMETOGETRIPE3INTENSIVEREADINGLETSSREADTHEPASSAGEANDFILLINTHETABLESLIDESHOW1950S1980S1980SPRESENTTHEUSEOFMACHINESEGTRACTORSTHEUSEOFELECTRICPUMPSFORIRRIGATIONTHEUSEOFCHEMICALFERTILIZERSTHEUSEOFINSECTKILLERSTHEUSEOFSPECIALSEEDBEDSTHEUSEOFGREENHOUSES精品文档2016全新精品资料全新公文范文全程指导写作独家原创5/9TOMAKEVEGETABLESBIGGERORBETTERTOCHANGEVEGETABLESSOTHEYCANGROWONPOORSOILKNOWLEDGEFROMABROADINNOVATIONSPROBLEMSADVANTAGESCHEMICALFERTILISERSSHORTAGEOFARABLELANDBIGGERANDBETTERCROPSPUMPSFORIRRIGATIONWEATHERCONDITIONSBIGGERANDBETTERCROPSSPECIALSEEDBEDSSHORTAGEOFARABLELANDMORECROPSINONEYEARMACHINESEGTRACTORSHOWTOMAKEPRODUCTIONCHEAPERNOTINTHETEXTBIGGERCROPSONMORELANDBYFEWERHANDSINTERNATIONALEXCHANGELACKOFKNOWLEDGELEARNFROMOTHERPEOPLEGREENHOUSESWEATHERCONDITIONBIGGERANDBETTERCROPSGREENHOUSESROOTSINWATERTANKSSHORTAGEOFARABLELANDMORECROPSINONEYEARGMTECHNIQUECANGROWINPOORSOILSHORTAGEOFARABLELANDCANGROWINPOORSOILBIGGERHEALTHIERLESSTIMETORIPE4LISTENINGLETSSLISTENTOTHETAPEANDFOLLOWIT精品文档2016全新精品资料全新公文范文全程指导写作独家原创6/95DISCUSSIONLETSSWORKINGROUPSANDIMAGINEWHATOTHERCHANGESHAVEHAPPENEDONFARMSINTHELAST100YEARSLETSSDISCUSSIONTHEFOLLOWINGQUESTIONSATTHEBEGINNINGOFTHEPASSAGE,WHYDOESTHEWRITERSAY“ITISONTHEARABLELANDTHATTHEFARMERSPRODUCEFOODFORTHEWHOLEPOPULATIONOFCHINA”WHATDOESTHEWRITERWANTTOTELLUSBYSAYING,“NOTONLYFOODPRODUCTIONISIMPORTANTBUTALSOTAKINGCAREOFTHEENVIRONMENT”WHATCANWEINFERFROMTHESENTENCE“INCHINAABOUTONEHUNDREDRESEARCHSTATIONSARENOWDOINGGMRESEARCHTOMAKEBETTERTOMATOES,COTTON”WHATCANYOUIMAGINEABOUTTHEFUTUREOFFOODPRODUCTIONSTEPIVPOSTREADING1FINISHTHEEXERCISESINSTUDENTSBOOK,PAGE46,EXERCISE122IFPOSSIBLE,TEACHERCANGETSSREADANEWTEXTINWORKBOOK,PAGE111,ANDFINISHALLTHEEXERCISES精品文档2016全新精品资料全新公文范文全程指导写作独家原创7/9STEPVLANGUAGEPOINTSANDUSEFULEXPRESSIONS1LETSSBYTHEMSELVESFINDOUTSOMEPHRASESORUSEFULEXPRESSIONS,WHICHAREIMPORTANTINTHETEXT2TEACHEREXPLAINLANGUAGEPOINTSCOMPARETO/WITHFORTHOUSANDSOFYEARSMAKEUSEOFBEHARMFULTODEPENDONASWELLASNOTONLYBUTALSOPROTECTFROMNOMATTERHOWBEDIFFERENTFROMSTANDFORINOTHERWORDSTHEWAYTOMATOESGROWFROMANATURALSEEDISCHANGEDAVARIETYOFOVERTHEYEARSHAVEANEFFECTONMAKEGOODMONEY精品文档2016全新精品资料全新公文范文全程指导写作独家原创8/9MAKEUSEOFINTHE1980SGOAGAINSTHOMEWORKFINISHOFFTHEEXERCISEONTHEWORKBOOK教案点评根据新教材中的以阅读为主的教学环节所设计的一课时/两课时教案。本课阅读课的目的是让学生通过阅读英语材料，掌握实验步骤，领悟严谨的科学精神财富，体验英语语言、问题，学习灵活使用语言结构。这个教学过程主要分四个教学步骤PREREADING,READING,POSTREADING,LANGUAGEPOINTS。PREREADING在阅读课文之前，教师可适当的讲解与本单元有关的背景知识,运用图片向学生介绍传统农业与现代农业的差异，通过提问的方式引入课文主题。教师可根据课文的内容和篇章结构，从不同的角度，引导学生对课文内容进行预测和讨论。READING课文分三个步骤掠读（SKIMMING），即带着某个问题进行搜索式阅读，这样能培养学生捕捉关键句的能力；略读SKIPPING，即教师指导学生通读全文，理解课文大意，培养