【教学】Unit 1 第4课时 （六下）

PartBLet’slearnUnit1Howtallareyou?PracticePresentationProductionWarming-upSummaryTeachingaims重点1.能够听、说、读、写比较级单词：thinner,heavier,bigger,smaller,stronger。

2.能根据实际情况灵活运用形容词的比较级描述身边的人和事物的特征。3.了解部分形容词由原形变为比较级时需双写词尾的字母，再加-er或者是变y为I，再加-er。PresentationWarming-upSummaryProductionPracticeWatchandthink1.Whichcountryisbigger,theUSAorThailand?2.Whichriverislonger,theMississippiortheNile?Morethan9000,000squarekilometresPresentationWarming-upSummaryProductionPracticeLookandsayLessthan515,000squarekilometresTheUSAThailandTheUSAis________thanThailand.

biggerAbout6,670kilometresPresentationWarming-upSummaryProductionPracticeLookandsayAbout3,767kilometresTheNileTheMississippiTheNileis________thantheMississippi.

longerPresentationWarming-upSummaryProductionPracticeListenandfill______________,higher,lower.Shorter,taller,faster,slower.______________,higher,lower.Shorter,taller,faster,slower.Whichoneis________?TheUSAorThailand?Whichriveris______？TheMississippiortheNile?______________,higher,lower.Shorter,taller,faster,slower.Bigger,smallerBigger,smallerbiggerlongerBigger,smallerWarming-upSummaryProductionPracticeLookandlearnPresentationLet’sknowmoreaboutourfriends.I’m46kilograms.Howheavyareyou,Binbin?I’m42kilograms.I’mheavierthanyou.Youarethinnerthanme.heavy

—heavierthin—thinner46KG42KGPresentationWarming-upSummaryProductionPracticeLookandlearnPresentationSize40Size372.WhatsizeareMike’sshoes?1.WhatsizeareWuBinbin’sshoes?3.Whoseshoesarebigger?biggersmallerWarming-upSummaryProductionPracticeLookandlearnPresentationSize40Size37biggersmallerMike’sshoesarebiggerthanWuBinbin’s.WuBinbin’sshoesaresmallerthanMike’s.big

—biggersmall—smallerWarming-upSummaryProductionPracticeLookandlearnPresentationWhoisstronger?ZhangPengisstrongerthanSarah.SarahisthinnerthanZhangPeng.strong—

strongerthin—thinnerPresentationWarming-upSummaryProductionPracticeListenandanswerQ1:HowheavyisJim?Q2:IsJohnheavierthanJim?Heis52kilograms.No,heisn’t.PresentationWarming-upSummaryProductionPracticeListenandfollowJohn:Howheavyareyou,Jim?Jim:I’m52kilograms.John:You’reheavierthanme.biggersmallerthinnerheavierstrongerPresentationWarming-upSummaryProductionPracticePlayagamethinnerheavierstrongerWhenyousee

,pleasereadaloud.

Ifthere’sno,pleasereadinalowvoice.smallerstrongerheavierthinnerbiggerthinnerbiggersmallerangrierhotterlongerPresentationWarming-upSummaryProductionPracticeReadandgroupstrongersmallerbiggerthinnerheaviershortertallerhappierGroup2:双写词尾的字母，再加-erGroup1:直接加-erGroup3:变y为i，再加-erPresentationWarming-upSummaryProductionPracticeWarming-upPractice1.Thedinosauris_______thanthehorse.heavierLook,fillandsaythinnerheavier2.Thehorseis_______thanthedinosaur.thinnerPresentationWarming-upSummaryProductionPracticeLook,fillandsay1.Thegiraffeis_________thanthedog.bigger2.Thedogis_________thanthegiraffe.smallerWarming-upPracticesmallerbiggerPresentationWarming-upSummaryProductionPracticeWarming-upPractice1.Thepinkpigis___________thantheblackpig.strongerthinnerstrongerthinner2.Theblackpigis___________thanthepinkpig.Look,fillandsayPresentationWarming-upSummaryProductionPracticeChooseandsayWarming-upPractice…isheavier/smaller/bigger/stronger/thinnerthanthe...SimonKenPresentationWarming-upSummaryProductionPracticeAskandanswerWarming-upPractice100KG18KGS1:Howheavyis…?S2:…S1:Whoisheavier/thinner/stronger?S2:…is…than…PresentationWarming-upSummaryProductionPracticeAskandanswerWarming-upPracticeTom38KGPeter47KGS1:Howheavyis…?S2:…S1:Whoisheavier/thinner/stronger?S2:…is…than…PresentationWarming-upSummaryProductionPracticeMatchandsayMike’sfishis…than...Matchthefishwithstudentsandcomparetheirfish.PresentationWarming-upSummaryProductionPracticeOliver’sfishis_______thanWuBinbin’s.WuBinbin’sfishis________thanChenJie’s.ChenJie’sfishis________thanOliver’s.biggerstrongersmallerMatchandsayPresentationWarming-upSummaryProductionPracticeSarah’sfishis________thanMike’s.Mike’sfishis________thanSarah’s.longershorterMatchandsayPresentationWarming-upSummaryProductionPracticeLucyLilyWhatarethedifferencesbetweenthem?Lilyis…thanLucy.…is…thanLucy’s.…LookandsayLilyLucy1.651.63494338340.350.2NameHeight

(metres)Weight(kilograms)ShoessizeHairlength(metres)PresentationWarming-upSummaryCompareyourschoolthings,bodypartsorthethingsaroundyouandsaythesentencesinpairs.Let’scomparePracticeProductione.g.Thebluerulerislonger/biggerthantheyellowone.e.g.Mynoseisbiggerthanyours.PresentationWarming-upSummaryMyeraseris…than…Myeyesare…than…Myhairis…than……ShowandreportPracticeProductionMakeareportonthestage.Words：heavier,smaller,stronger,thinner,biggerSentences:Howheavyareyou?I’m…