2023學(xué)年完整公開課版Unit9第5課時(shí)教案

Unit9WhenwasitinventedStructures:Passivevoice(questionsandstatements)Targetlanguage:Whenwasthetelephoneinvented?Ithinkitwasinventedin1876.Vocabulary:salty,sweet,sour,crispy,pleasant,potatochips,slipper,leaf,fire,scoop,lightbulb,telescope,microwaveoven,abacus,camera,beverage,beinventedby,beusedfor,bymistake,byaccidentLearningstrategies:Brainstorming,RoleplayingKnowledgeObjects:Writing(Selfcheck2)AbilityObjects:Trainstudents’writingabilityTeachingKeyPoints:Writing(Selfcheck2)TeachingDifficulties:Writing(Selfcheck2)TeachingdesignSELFCHECK1FillingblanksOnpage73isaboxwith4sentences.Readthesentencesandfillintheblankwithacorrectword.crispysweetsaltysour1.Idon’tlikeeatingchocolate.Thetasteistoosweet.2.Momaddedsaltbutitstillwasn’tsaltyenough.3.Ipreferlemonstooranges.Ilikethesourtaste.4.Shelikescrispycookies.Theyarehard,dryandeasilybroken.Nowyouareaskedtomakeyourownsentenceswitheachofthefourwords.1.Thesnowiscrispy.Thecrackersaren’tcrispy.Theymusthavegotwet.2.Mycoffeeistoosweet—Iputtwospoonfulsofsugarinit.Doyoulikesweetdrinks?3.Seawaterisverysalty.Thissoupisverysalty.Ithinkyouhaveputtoomuchsaltinit.4.Theseorangesareassouraslemons.2Writingaboutinventionsonpage733000BC-Theabacus,builtoutofwoodandbeads,usedtheconceptsofonesetofobjectsstandinginforobjectsinanotherset,butalsotheconceptofasingleobjectstandingforacollectionofobjects—positionalnotation.-Earlytables,namedabaci,formalizedcountingandintroducedtheconceptofpositionalnotation.-Earlymancountedbymeansofmatchingonesetofobjectswithanotherset(stonesandsheep).invention,history,inventorof,historyof,whoinvented,inventionof,fascinatingfacts.Thebasicumbrellawasinventedoverfourthousandyearsago.WehaveseenevidenceofumbrellasintheancientartandartifactsofEgypt,Assyria,Greece,andChina.Theseancientumbrellasorparasols,werefirstdesignedtoprovideshadefromthesun.TheChinesewerethefirsttowaterprooftheirumbrellasforuseasrainprotection.Soonaftertelescopeswereinvented,peoplestartedtofastentwoofthelongtubestogethertomakebinoculars(fromtheLatin"twoeyes").Around1900,aGermanphysicistnamedErnstAbbemadeapairofbinocularsusingprisms.Thetriangularprismseachreflectedtheincominglighttwice.Thismeantitwaspossibletomakeashorterinstrument.Thetwoprismsalsoflippedtheimageupright.CameraThehistoryofthecamera-CameraObscura,photography,thesignificantprocessesofphotography,andwhoinventedthepolaroidandphotographicfilm.In1818,BaronvonDraisintroducedamachinetothepublicinParis.Ithadtwoin-linewheelsconnectedbyawoodenframe.Theridersatastrideandpusheditalongwithhisfeet,whilesteeringthefrontwheel.Justforfun!Lookatthepicturesbelowandtellaboutwhatyousee.Useasmanyexamplesofpassivevoice(questionsandstatements)aspossible.BlackboarddesignUnit9Whenwasitinvented?1.Idon’tlikeeatingchocolate.Thetasteistoosweet.2.Momaddedsaltbutitstillwasn’tsaltyenough.3.Ipreferlemonstooranges.Ilikethesourtaste.4.Shelikescrispycookies.Theyarehard,dryandeasilybroken.Exercise:把下列句子變成被動語態(tài)。1.Youcanfindalotofdifferencesbetweenthetwolanguages.2.Doyouwateryourflowerseveryday?3.Thewindblewdownthebigtreelastnight.knewmeinthistownatthattime.plantedmanyt