2023学年完整版Unit9Lesson3CleanMachines设计2

Unit9Lesson3CleanMachines教学设计【教学目标】Tolearnthenewwordsoflesson3.ToobservetheuseofPresentPerfectContinuous.Tolearntodescribeone’sexperiencesusingPresentPerfectContinuous.【教学重点】Tounderstandthecoremeaningofpresentperfectcontinuous.【教学难点】Tolearntodescribeone’sexperiencesusingPresentPerfectContinuous.【课时安排】1课时。【教学过程】StepI.Review:Quicklyreviewwhatwerelearntintheformerclass.StepII.Wordsstudy:(Theteacherwillleadstudentstolearnthenewwordsthroughadiscussionabout“solarcar”)Newwordstostudy:solar,petrol,fuel,gas,impression,reliable,sunlight,Thepossiblediscussion:(Theteachershowsstudentsthepicturesofsolarcaronslides.Meanwhilesomeofthenewwordsareshownontheslide.Thesearewritteninbluebelow)（Picturesusedinthelesson:）T:Goodmorning,class.Doyouknowthenameofthecarsontheslides?

S:Solarcars.(“Solarcar”appearsontheslide.)

T:Great.Iamsuremanyofyouhaveknownsolarcarsbefore.So,what’syourimpressionof“solarcar”?What’sthedifferencesbetweensolarcarsandtheordinarycars?Discusswithyourpartnerforoneminute.(“What’syourimpressionofsolarcar”appearsontheslide.)(Afteraminute)T:What’syourimpressionof“solarcar”?What’rethedifferencesbetweensolarcarsandtheordinarycars?Forexample,thefuel.S:Well,solarcarsusetheenergyofsunlightasthefuelwhiletheordinarycarsusepetrol/gasasthefuel.T:Anythingmore?Whichoneismorereliable?S:Ithinktheordinarycarsaremorereliablebecausesunlightcan’tbegoteverytimeeverywhere.T:Yes.Solarcarsarenotsoreliableastheordinarycars.Theyarenotwidelyusedintheworldnow.Butsomepeopleareinfavorofsolarcars.Doyouknowwhy?Readthistextanddoexercise3.(ThequestionisaskedtoraiseSs’interests)StepIII.ReadingSsreadthetextquicklyanddoexercise3.T:OK.Nowlet’schecktheanswersofexercise3together.Youtellmetrueorfalseandpointoutwheretheanswersareshown.ThefirstoneXXXS:True.Inthethirdquestion,“you’vebeendesigningsolarracingcarsforalongtime”T:Correct.What’sthesentencemeaninChinese?S:…T:Yes.Itmeans“我从以前到现在一直设计太阳能赛车”now,thesecondquestionXXX.S:False.InAnswer4“we’vewontwoofthem”.InChineseitmeans我们只赢得两次T:correct.ThethirdquestionXXXS:False.InAnswer7“Ihavebeenbuildinganewcarbutwehaven’tfinishedyet”.T:Correct.What’sthesentencemeaninChinese?XXXS:“我们最近一直在造一辆新车，但还没造好”T:Correct.ThefourthquestionXXXS:False.Inquestion8“You’vebeenwritingabookaboutsolarcars.”And“I’veonlywrittenthefirstfewchapters.”T:Correct.What’sthesentencemeaninChinese?XXXS:最近一直在写，但才写了头几章节T:Correct.Thelastone.XXXS:True.“…evenincloudyweather”T:Good.Youhavedoneagoodjob.Nowreadthetextagainandunderlinethelanguagepointsthatareimportantordifficult.StepIVlanguagepointsstudyingT:Nowlet’slearnthelanguagepointstogether.Pleasewriteyourpuzzlesandtheimportantlanguagepointsyoupickedontheblackboard.(Ssgototheblackboardandwritedowntheimportantandpuzzlingpoints.)T:excellent.Now,let’sstudythelanguagepointstogether.Theteacherwritesdowntheimportantpointsconciselyontheboard.points:Mean,meantodo,meandoing(Line2)Worry,worried,worrying(L5)(L)Sofar(L10)Takepartin,participatein,joinin,(L11)Takeplace,occur,appear,happen,comeout不用被动的词(L14)Cross,through(L15)Impress,impression(L26)Persuadesbof,persuadesboutof(L28)StepVBackup:finishthetableaccordingtowhatwelearnttodayT:pleasefillthetableaccordingtowhatwehavelearnttoday.SolarcarsOrdinarycarsfuelTheenergy