英语人教版四年级下册Unit4 At the farm A Let's talk

ALetstalk,No.1primaryschoolofGuangling,JiaWenying,car,card,art,arm,f,“ar”sounds/a:/,/f/-/a:/-/m/,Talkabout“farm”,farm,farmer,plantvegetables,feedanimals,plantfruits,/a:/,Learningaims,1.能理解对话大意，能用正确的语音、语调朗读课文。2.能在情景中运用句型：Arethese.?Yes,theyare./No,theyarent.Whatarethese?Theyre.询问物品名称并作答。3.能恰当运用句型Theyregood/sobig!描述物品特点。,Mr.MacDonaldhasafarm.Ibringsomevegetablesfromhisfarm.,potato(onlyone),Thisisapotato.,Isthisapotato?,Yes,itis.,No,itisnt.,potatoes(morethantwo),Thesearepotatoes.,Arethesepotatoes?,Yes,theyare.,No,theyarent.,Guess,whatarethese?Pacticethesentences:Arethese?Yes,theyare.No,theyarent.Theyre,Lookatthese!Arethesecarrots?,Yes,theyare.,Wow!Theyresobig!,Learnpicture1byyourself.,Whatvegetablesaretheytalkingabout?Whataretheylike?,Describethesecarrots.,carrots,colourorange,lookfresh,tastesweetcrisp(脆的),Sobig,Theyare,Lookatpicture1.,Lookatthesecarrots!,Theyretomatoes.,Whatarethese?,Buttheyreyellow!,Trysome!Theyregood.,Thanks.Yum.,Learnpicture2andpicture3byyourself.,Whatvegetablesaretheytalkingabout?Whatcolourarethey?Theytaste_.,Lookatpicture2andpicture3.,Describethesetomatoes.,tomatoes,colouryellow,tastegood,healthy,sweet,Yum(my),delicious,juicy,Theyare,Lookatthesetomatoes!,Doyouknow?Thenaturegiveusabigsurprise.Somearered.Somearepurple.Somelooklikeapples.Whenyougrowup,maybeyouareascientist.Youwillmakesomebiggersurpriseforus.,Fillintheblank.,Thispotato_sobig.-What_these?-Theyregreenbeans.3.I_nineyearsold.,A.amB.isC.are,is,are,am,