人教高中英语-必修3-unit4教案

高中英语课时教案班级高一教师时间周一课题Book3Unit4Period1Warmingup&pre-reading教学目标Getstudentstolearnaboutthedevelopmentoftheearthandmakingaspacetrip.重点HavestudentslearnsomeusefulnewwordsandexpressionsandletthemlearneffectivewaystorememberEnglishvocabulary.难点Enablestudentstousetheexpressionsofinstructionscorrectlyindailylife.教具Multimedia&Teachingandlearningplans教学过程教学步骤课堂导入Lead-inLead-in:1.Lookatthepictureonyourbook.Doyouknowthetopicofthisunit?教师介绍PresentationLetstudentsthinkaboutthefollowingquestionsandthendiscussthemwiththeirpartners.1.Inoursolarsystemeightplanetscirclearoundthesun.Whatarethey?Canyoumatchthenameswiththeplanets?VenusEarthMarsMercuryJupiterNeptuneSaturn2.Whatinterestsyouinastronomy?Doyouknowanyquestionsthatastronomersareinterestedin?→Step3Pre-reading1.Getstudentstodiscussthequestionswiththeirpartners.1)Theoriginoflifeonearthisaquestionthatinterestsastronomers.Whatdo教学步骤youknowaboutit?2)Eachreligionandculturehasitsownideasabouthowlifebeganonearth.Whatdoyouknowaboutthem?2.Letthemtelltheirstories.Encouragethemtotelldifferentstories.Iftheydon’tknowany,tellthemsome,forexample,Panguseparatedtheskyfromtheearth,Panguturnedintoamyriadofthings,Nuwamademen,andsoon.3.Askthemtoreadthetitleandlookatthepictures.Predictwhatthereadingwillbeabout.师生互动drillsVI.Practice1.Asksomestudentstosharetheirdescriptionofthedevelopmentoftheearthandmakingaspacetrip.2.Theteachercanmakeaconclusiontothewholeclass.作业布置Finishtheexercisesof《世纪金榜》P45-46教学思考高中英语课时教案班级高一教师时间周二课题Unit4Period2Reading:HOWLIFEBEGANONTHEEARTH教学目标1.Developstudents’readingabilityandletthemlearndifferentreadingskills.2.Enablestudentstoknowaboutthedevelopmentoftheearth.重点1.Letstudentsreadthepassageandlearnaboutthedevelopmentoftheearth.2.Getstudentstolearndifferentreadingskills,especiallythereadingabilityofunderstandingimpliedmeaningoftheauthor.难点1.Enablestudentstounderstandthepassageandknowaboutthedevelopmentoftheearth.2.Letstudentslearnhowtousedifferentreadingskillsfordifferentreadingpurposes.教具PPTandMultimedia&Teachingandlearningplans教学过程教学步骤复习巩固RevisionFirstlyreviewthetopiclearnedlastperiod,reviewthekeywordsandexpressions.教师介绍PresentationI.SkimmingTask1:Skimthepassageandmatchthemainideawitheachparagraph.Para.1Theformation(形成)oftheearthPara.2TheimportanceofwaterforlifePara.3AwidelyacceptedtheoryabouttheformationoftheuniversePara.4ThearrivalofhumansandtheireffectsontheearthPara.5ThedevelopmentofplantsandanimalsontheearthII.ScanningTask2:Readthereadingpassagequicklyandfinishthefollowing.Allowstudentstoreadthepassagecarefullythistimetogettheimportantdetails,andthenfinishthefollowing:1)Puttheorderofdevelopmentoflifeintoatimeline.(1)Insectsandamphibiansappeared.(2)Dinosaursappeared.(3)Theearthbecameasolidball.(4)Smallplantsgrowonthewater.(5)Reptilesappeared.教学步骤(6)Plantsbegintogrowondryland.(7)Theearthwasacloudofdust.(8)Waterappearedontheearth.(9)Shellfishandotherfishappeared.(10)Theuniversebeganwitha“BigBang”.(11)Cleveranimalswithhandsandfeetappeared.(12)Mammalsappeared.Task3.ReadinganddiscussionReadthetextathirdtimeandthenworkinpairstodiscussthefollowingquestions.1)Whywastheearthdifferentfromtheotherplanets?2)Whydidtheplantsgrowbeforetheanimalscame?3)Whyisitwrongtoshowfilmswithdinosaursandpeopletogether?4)Thereusedtobenineplanetsinthesolarsystem.Recentlyscientistshavedecidedthatoneofthemcannolongerbeconsideredaplanet.Doyouknowthenameofthatplanet?Doyouknowwhytheyremovedit?5)Whatproblemiscausedbyhumanbeings?(Letstudentshaveenoughtimetoreadthepassagecarefullyanddiscussthequestionswiththeirpartners.Encouragethemtoexpresstheirownideas.)师生互动drillsAfterreadingthepassage,letstudentsdiscussthefollowingquestions.1.Whydoyouthinkthathumansarethecleverestanimalsontheearth?2.Doyoubelievethatthereislifeonotherplanets?Whyorwhynot?3.Doyouthinkitispossiblethatonedaypeoplewillmovetheirhousestootherplanets?学生练习ExercisesAskstudentstoretellthepassagewiththehelpofthefollowing.acloudofdust→asolidball→presenceofwater→smallplantsgrowonthewater→shellfishandotherfishappear→plantsbegintogrowondryland→insectsandamphibiansappear→retilesappear→dinosaursappear→mammalsappear作业布置Finishtheexercises1,2,3,ofBOOK3onp27教学思考高中英语课时教案班级高一教师时间周三课题Unit4Period3Languagepoints1inreading教学目标1.Trytorememberthekeywordsandexpressions.2.Trytomastertheusageofsomekeywordsandexpressions.重点Theexplanationofthetextimportantwords&expressions难点Putintouseofthewordsinthistext教具Multimedia&Teachingandlearningplans教学过程教学步骤复习巩固RevisionTeachertogetherwithallthestudentstoretellthecontentofthetexttoreviewwhatarelearnedinthetext.教师介绍PresentationTeacherexplainlanguagepoints1.spreadvt.&vi.展开,铺开;散布;扩大;延伸常用结构:spreadsth.withsth.用……抹/涂/铺……spread...on...把……抹/涂/铺在……spreadout张开，伸开，铺开，展开，伸长2.methodn.方法bythismeans=inthisway=withthismethod用这种方法3.harmfuladj.有害的常用结构:dosb.harm/doharmtosb.对某人有害meannoharm无意伤害别人;没有恶意harmone’simage/reputation损害某人的形象/名声domoreharmthangood弊大于利beharmfulto对……有害harmn.&v.损害，伤害4.massn.质量；团；块；大量；(前加the)群众常用结构:教学步骤beamassof遍体是……;充满了……inmass全部,全体;整个地inthemass总体上;总的说来the(great)massof大多数,大部分massesofsth.大量的东西5.pullv.拉，拖，拔；移动n.拉，拖；牵(引)力常用结构:pullahe