2023学年完整版Unit9Lesson3CleanMachines设计

Unit9Lesson3CleanMachines教学设计【教学目标】知识与技能Wordsandexpressions:trafficjam,carbonmonoxide,construction,addicted,onaverage,etc.:ThePresentPerfectTense过程与方法thestudents’readingspeedbyskimmingandscanning.thestudents’readingskill–makingnotesbyshortexpressionstograspthedetailedinformationofthetext.情感态度和价值观Raiseawarenessofenvironmentalproblemscausedbycars.【教学重点】1.Newwordsandexpressions.2.Grammar—thepresentperfecttense.【教学难点】1.Grammar—thepresentperfecttense2.Usingthenewreadingskill—makingnotestograspthedetailedinformationofthetext.【课时安排】1课时。【教学过程】Pre-readingⅠ.Answerthequestionsaboutcars.1.Doesyourfamilyhaveacar?（Yes,myfamilyhasacar.）2.Howoftendoyoutravelinit?（Everyday.）3.Howdoyouuseyourcar?（Myfatheruseittogotowork,mymotheruseittogoshopping,andIgotoschool.）Conclusion:Indeed,withtheimprovementoflivingconditions,moreandmorepeoplehavetheirowncars.Buthaveyoueverthoughtwhatwouldhappenontheroadsifeverybodytravelsinhisowncar?Maybeitisthethingthateverybodyhasneverthoughtabout.Infact,therearemorecarsareonroads,andmorehighwaysorexpresswaysarebuilt.Goodorbad?Lookatthesepicturesandthenleadinthedisadvantagesbycars.Ⅱ.Wordsandexpressions:1.Checkthemeaningofthesetrafficwords.（Beforeclassthestudentspreviewedthenewwordsandexpressions.）airpollution空气污染，carbonmonoxide一氧化碳，crossroads十字路口（EnglishtoChinese）人行道pavement，交通堵塞trafficjam，速度限制speedlimit（ChinesetoEnglish）2.Detailedstudy:（1）construction建筑，建造construct（verb）reconstruct：Sichuanpeopleisconstructingtheirhomesaftertheearthquake.（2）addicted对……上瘾，对……入迷Heisaddictedtodrugs.他对毒品上瘾。MykidsarealladdictedtoTVcartoons.我的孩子们全都对电视卡通入了迷。（3）onaverage平均起来，一般来说Onaveragewereceivedtenjunke-mailseveryday.平均每天我们会收到10封垃圾电子邮件。While-reading::Askstudentstoskimthetexttogetthemainideaandthestructure.Mainidea：Roadsconstructioncausedbycarsandsuggestionsonhowtogiveupusingcars.Structure:Part1（1-3）:destructionPart2（4-5）:suggestionsStep2.Note-taking:Anewreadingskillmakingnotestograspthedetailedinformationofthetext.Readingstrategies:Lookatthenotesanddecidewhatkindofinformationyouarelookingfor（.names,numbers,percentages,objects,times）.Readthetextquicklytogetthegeneralidea.Thenreadthetextagaincarefullyandcompletethenotesasyouread.Useabbreviations.Readthetextagainandthenanswerquestionsbycompletingnotes:TrafficinBritainNumberofcars:25millionIncreaseinthelasttenyears:30%Numberofroaddeaths:over3,000AmountofTVadvertising1/4Advantagesofsharingacar:cheaper,kindertoenvironmentWaysofmakingstreetssafer:speedlimit,pedestrianareaThePresentPerfectTenseStructure:have/has+v-edNegativeforms:have/has+not+v-edConjunction:For,since,yet,already,etcUsage:Pastthingscontinueuptonowandhaveconsequenceforthepresent.Examples:1.Thematchhasalreadybeencanceled.（consequence:wecannotwatchit）比赛已被取消了。havelivedhereallmylife.（pastsituationthatcontinueuptillnow）我一直生活在这里。Practice:1.游客的数量已经达到了3000人。Thenumberofthevisitorshasgoneupto3000.2.我还没读过这本书。havenotreadthisbookyet.Post-readingIngroupsdiscussthequestions:Whatdoyouthinkofthetrafficproblemsinyourcity,better,worseorthesameasthoseinBritain?Summary:Inthistext,wehavelearnedanewreadingskill—howtomakenotestograspthedetailedinformationofthetext.Thisskillcanhelpusbetterunderstandthepassage.Wealsohavelearnedanewgrammarpoint—presentprefecttense.Wecanusethepresentprefect