Unit4Lesson3Householdappliances教學案例教學內(nèi)容：《新世紀教材》七年級第二學期第四單元第三課ReadingPeriodFiveTeachingobjectives:Knowledge,skillandemotionReviewtheexclamationsLearnthenewwordsandphrasesinReBefamiliarwiththeadvantagesofourdigitallifeLanguagefocusanddifficultpoints:Languagefocus:SolidifytheusageoftheexclamationsDifficultpoints:NewwordsandphrasesinReadingTeachingaids:multimediacomputerI.WarmingupA:QR:What’swrongwithyourcomputer?Howlongwillthefitnesscamplast?Whatdoyouthinkofthenewvacuumcleaner?Howwasthecomicdialogue?HowdidyouliketheWorldCupFinal?What’syourclassteacherlike?Whatdoyouwanttobewhenyougrowup?Whatwereyoudoingthistimeyesterday?Whatwashe/shedoingthistimeyesterday?WhatdoesJolinlooklike?Whatcanyoudowiththemouse?What’sthedifferencebetweenordinarymachinesandrobots?What’stheuseofanindustrialrobot?WhowontheGoldenBootAward?What’stheremotecontrolfor?HowbigistheTV?Whereisthemicrowaveovenmade?WhatdoyouusePlusorMinusbuttonfor?說明：QR的內(nèi)容涉及本學期的主要句型和語法，要求學生進行流利的回答，其余的學生進行聽寫，整個QR的重點仍為本單元的句型。說明：QR的內(nèi)容涉及本學期的主要句型和語法，要求學生進行流利的回答，其余的學生進行聽寫，整個QR的重點仍為本單元的句型。T:Wherecanweseethesebuttons?S:Ontheremotecontrol.T:What’stheChinesemeaningofremotecontrol?S:遙控器T:Good.Let’sreviewsomephrasesinthistext.B:Phrases1.遙控器aremotecontrol2.新型數(shù)碼電視機anewdigitalTVmodel3.34英寸一臺34英寸數(shù)碼電視機a34-inchdigitalTV4.打開洗衣機turnonthewashingmachineturnthewashingmachineon5.調(diào)節(jié)音量高低turnthevolumeupordown6.把它關閉turnitoff7.遙控器是用來干什么的？Whatcanwedowiththeremotecontrol?What’stheuseoftheremotecontrol?Whatdoestheremotecontroldo?What’stheremotecontrolfor?Whatdoyouusetheremotecontrolfor?8.選擇頻道selectchannels9.按這個按鈕pressthisbutton10.生活方式wayoflife11.擺脫getridof12.花費大量時間做家務spendalotoftimedoinghousework13.開始工作startworking14.與此同時atthesametime15.各種各樣的家用電器allkindsofhouseholdappliances說明：詞組的內(nèi)容包括了本課課文的詞組及其拓展，后半部分又將Reading中的詞組提前出現(xiàn)，使復現(xiàn)次數(shù)提高。說明：詞組的內(nèi)容包括了本課課文的詞組及其拓展，后半部分又將Reading中的詞組提前出現(xiàn)，使復現(xiàn)次數(shù)提高。T:We’velearntmanykindsofhouseholdappliancesinourtext.Couldyoutellmesome?S:DigitalTV,DVDplayer,vacuumcleaner……T:Excellent.Howknowledgeableyouare!Doyouknowwhatkindsentenceitis?S:Exclamation.T:Perfect.There’resomesentencesforyoutochangeintoexclamations.Beforewedotheexercises,wereadthemodeltogether.II.ExclamationModel:Thefableisinstructive.Howinstructivethefableis!Itisaninstructivefable.Whataninstructivefableitis!T:Weuseadjectiveafterhowandanounphraseafterwhat.Soifwehavethefirstsentence,it’seasytochangeitintoexclamationwithhow.Ifwehavethethirdsentence,it’seasytochangeitintoexclamationwithwhat.Lookattheexercises.I’dliketochooseonestudenttodoexerciseoneforusasamodel.Ex.A1.ThedigitalTVisbig.How_________________!_is_bigdigitalTV.What_________________!2.Theremotecontrolishelpful.How_________________________________!_is_helpfulremotecontrol.What_________________________________!3.Theair-conditionersareefficient.How_________________________________!_______are________air-conditioners.What_________________________________!4.Thetoastersarequiet.How_________________________________!______are______toasters.What_________________________________!說明：練習A鞏固了感嘆句和陳述句的互換。雖然之前已經(jīng)學習過，但再次展示轉(zhuǎn)換的過程有利于對于感嘆句的加深鞏固。說明：練習A鞏固了感嘆句和陳述句的互換。雖然之前已經(jīng)學習過，但再次展示轉(zhuǎn)換的過程有利于對于感嘆句的加深鞏固。T:Lookatthefollowingsentences.Changethemintoassertivesentencesfirstandthenchoose‘what,whata,whatan’or‘how’tocompletethesentences.Ex.B選擇what,whata,whatan或how完成句子1._______goodnewsitis!2._______usefulhisadviceis!3._______ordinarymanheis!4._______amusingdialoguetheyaretalking!5._______enjoyableourlivesare!說明：練習B比練習A提高了些許難度。讓學生先改成陳述句，然后再進行填空，同時操練了陳述句和感嘆句兩種句型。說明：練習B比練習A提高了些許難度。讓學生先改成陳述句，然后再進行填空，同時操練了陳述句和感嘆句兩種句型。T:I’vefoundsomemistakesinyouryesterday’shomework.Pleasecorrectthemnow.Andwe’llhaveacompetition.Ifyou’vegottheanswer,putupyourhandsasquicklyasyoucan.Yourgroupwillgetapoint.SentenceOne.Ready?Go!Ex.CCorrection1.Whataknowledgeablediplomatitis!Whataknowledgeablediplomatheis!2.Whatabeautifulweatheritis!Whatbeautifulweatheritis!3.Whatahardworkingbusinesswomanheis!Whatahardworkingbusinesswomansheis.4.Howaninstructivethestoriesare!Howinstructivethestoriesare!5.Whatausefulhouseholdappliancesitis!Whatusefulhouseholdappliancestheyare!說明：練習C取材于學生作業(yè)中出錯的題目，面批后再次出現(xiàn)再課堂進行鞏固。此步驟中開始小組間的競賽。說明：練習C取材于學生作業(yè)中出錯的題目，面批后再次出現(xiàn)再課堂進行鞏固。此步驟中開始小組間的競賽。T:Weknowthathouseholdappliancescanhelpusalot.Whataretheadvantagesofthehouseholdappliances?AfterlearningtheReading,youwillknow.III.ReadingT:Lookattheparagraph.There’resomemissingwordsinit.Pleaselistentothetapeandfillintheblanks.First,let’sreadittogether.A:Householdapplianceshavegreatlychangedourwayof_____.Theyhavehelpedusgetridofmuchofour___________.Home-helpapplianceslikewashingmachines,________________,microwaveovensanddishwashersgiveusmorefreetimetoenjoy___________.T:Let’scontinueourcompetition.Ifyou’vegottheanswerputupyourhands.S:…T:Let’sreadtheparagraphagain.Andpleasefindoutsomedifficultiesintranslation.Ialsowillgivepointstotheaskers.S:(Readandthenasksomequestions)…T:Lookatthisparagraph.Thistime,let’sreaditandtrytoguessthemissingwords.Ifyou’vegotit,putupyourhandsquickly.I’llgiveyourgrouponepointifyouransweriscorrect.B:Beforethesehouseholdappliancescamei____ourlives,mostfamilieshadtospendalotoft_____doinghousework.Theyusedtowashtheirclothesandcleantheirroomsbyh_____athome.Themodernfamily,however,canuseallkindsofhome-helpappliancestodoallthesehouseholdchores.W_____thehelpoftoastersandmicrowaveovens,ittakesusonlyafewminutestop_______ourbreakfasts.Besides,washingmachinesandvacuumcleanerse______ustowashclothesandcleanourhousesa__thesametime.T:Whohavegottheanswers?S:(Guess)…T:Welldone!You’vegotit.Giveyourgrouponepoint.Now,weknowtheanswersandpleasereadtheparagraphtogether.Then,I’llgiveyou30stounderlinethephrasesthatyoudecidedit’simportant.S:…T:You’vefoundit.I’llgiveyouthepoint.Thenlookatthisparagraph.Thistime,there’snofirstletterforyou.Let’sreaditandtrytofillintheblanks.C:Nowadayssomeofthehouseholdappliancesuse______technology.Wecanprogramthemtostartandstopworkingata______time.OndigitalTV,wecanenjoybetterpictureand_______.Thisnewtechnologyhasmadeourlivesbotheasierandmore__________.T:Who’vegottheanswer?S:…T:That’sgreat.Next,let’sreadthisparagraphandfindouttheadjectives.Ifyoureadanadjective,patonthedesk.Let’sgo.說明：Reading采用了分段處理。第一段是寫下聽到的詞。第二段難度加大，相當于首字母填空。第三段是直接填寫。由于利用小組間的競賽，所以各個程度的學生們?yōu)榱说梅侄己軜酚谔釂枴５處煴仨毧刂坪霉?jié)奏，以免學生僅僅為了得分，忽略了問題的質(zhì)量。期間還可以讓同學解答問題，同時給予小組得分。說明：Reading采用了分段處理。第一段是寫下聽到的詞。第二段難度加大，相當于首字母填空。第三段是直接填寫。由于利用小組間的競賽，所以各個程度的學生們?yōu)榱说梅侄己軜酚谔釂?。但教師必須控制好?jié)奏，以免學生僅僅為了得分，忽略了問題的質(zhì)量。期間還可以讓同學解答問題，同時給予小組得分。T:Nowboysandgirlsthere’sanothertaskforyou.Lookatthefollowingstatementsandtellmethey’retrueorfalse.Let’sreadthemtogether.TorF:1.Householdapplianceshavechangedourwayoflife.T2.Withthehelpofhouseholdappliances,wespendalotoftimedoinghousework.F3.Wecancleanourhouseandwashclothatthesametime.T4.Allthehouseholdappliancesusedigitaltechnology.F5.Ourlivesaremoreenjoyable.TT:Ifyouthinkit’strue,standupandreadit.Ifyouthinkit’sfalse,putupyourhandsasquicklyasyoucan.說明：TorF沿襲了之前的小組競賽，即使是英語水平較低的學生也樂于站起來