人教PEP版英语四年级上册《Unit 2 Part A 第2课时》课堂教学课件公开课

PartALet’sspellUnit2MyfriendsPEP·四年级上册ReviewandchantTimismyfriend.He’sagood,goodboy.He’stallandthin.He’sagood,goodboy.Lilyismyfriend.She’sagood,goodgirl.She’squietandkind.She’sagood,goodgirl.hermitcrab寄居蟹KnowsomemarineanimalsWhatmarineanimal(海洋生物)isit?seaanemone海葵Whatmarineanimal(海洋生物)isit?Whatmarineanimal(海洋生物)isit?clam蛤Wemakefriendswithsomeonewelike.Whataboutanimals?Dotheyhavefriendslikeus?FreetalkLookandsayWhatareZipandZoomdoing?What’s

the

name

of

the

book?Theyarereadingabook.BestFriends.Whoarebestfriends?最好的朋友ReadandanswerIhavenoshell.Canweshare?1.Doestheseaanemonehaveashell?2.Whatdoeshewanttodowiththeclam?No,hedoesn’t.Hewantstosharetheshellwiththeclam.Share?No,wecan’t.3.Willtheclamsharehisshell?No,hewon’t.4.Aretheybestfriends?A.Yes,theyare.B.No,theyaren’t.Youcansharemyshell!5.Whowillsharehisshellwiththeseaanemone?Thehermitcrabwillsharehisshell.6.Aretheybestfriends?A.Yes,theyare.B.No,theyaren’t.Shoo!Goaway,Fish!7.Whatdoestheseaanemonedowhenafishcomes?Hechasesaway(赶走)thefish.8.Whatarebestfriends?Theyhelpeachother.Watchandknow寄居蟹背负海葵移动，使其觅食范围更大，捕食效率更高。海葵的刺细肥可以抵御天敌，提升寄居蟹的生存率。双方依赖共生，是典型的共生关系。Ihavenoshell.Canweshare?Share?No,wecan’t.Listenandrepeat.Thenreadaloud.sh表达自己没有某物Ihaveno+某物(pen,water,dolls...).=Idon’thave+某物(pen,water,dolls...).e.g.Ihavenobooks.=Idon’thavebooks.

我没有书。注意：“某物”可以为可数名词单数、可数名词复数或不可数名词。Shoo!Goaway,Fish!Youcansharemyshell!ReadandfindWhatdoes“sh”soundinthesewords?shellshareshoofishsh—/ʃ//ʃ/是清辅音，发音时声带不振动。发/ʃ/音时，舌身整个抬起，舌前部接近上齿龈。双唇稍向前突出，略成方形，让气流从舌面与上颚间的缝隙中挤出时摩擦成音。sh—/ʃ/sheshipfishshareshopEnglishReadfastshelfshortTrytoreadmore1.Iwashmyshirtandshoeseveryweekend.2.Theshortgirlistooshytoshakehandswithme.3.Theteachershowsatoysheepontheshelf.注意标蓝部分字母组合的发音哦！4.Look!Asharkswimsneartheshipinthesunshine!Read,listenandnumber.EnglishfishsharesheshipshopLook,listenandwrite.WatchandthinkWhatotheranimalfriendsdoyouknow?Learnthesoundof“sh”.SummaryIhavenoshell.Canweshare?Share?No,wecan’t.sh→/ʃ/1.Role-playthestoryonpage18withyourfriend.2.Findmorewordswith“sh”sounding/ʃ/.3.Findmoreinformatio