【教學】Unit 7 第3課時 （七上）

第3課時SectionB(1a-2c)Unit7

Howmucharethesesocks?Task1Warming-upHowmanysentencescanyouremember?S1:Thebluesweaterissevendollars.S2:Thebluesweaterissevendollars.Theredsocksarethreedollars.S3:Thebluesweaterissevendollars.Theredsocksarethreedollars.Thewhiteshirtisfivedollars.…Look,writeandread.Matchthenumberswiththewords.Thenread.10111213141516171819202122232425262728293031Pre-listeninga.twelveb.twenty-two c.fifteend.twenty-nine e.twenty-fivef.eleveng.eighteen h.twenty-seveni.twenty j.thirtyk.sixteen l.twenty-threem.ten n.thirteen o.thirty-onep.twenty-four q.fourteenr.seventeens.twenty-one t.twenty-sixu.nineteen v.twenty-eight10111213141516171819202122232425262728293031Listenandrepeat.1aPre-listeningWritethenumbersin1anexttothecorrectwords.Whichrowsofnumbersareinthewrongplaces?ten__eleven__twelve__thirteen__fourteen__

twenty-five__twenty-six__twenty-seven__twenty-eight__twenty-nine__twenty__twenty-one__twenty-two

22

twenty-three__twenty-four__fifteen__sixteen__seventeen__eighteen__nineteen__thirty__thirty-one__

1011121314252627282920212324151617181930311bPre-listeningTherulesofthenumbersfrom10to100.從one到twelve，拼寫和讀音沒有什么規(guī)律，逐一記憶；從thirteen到nineteen,表示“十幾”，其后均有后綴-teen。注意thirteen,fifteen,eighteen的拼寫。表示“幾十幾”，用“整十數(shù)+個位數(shù)”。從twenty到ninety，表示“整幾十”，其后均有后綴-ty。但需注意以下幾個詞的拼寫：twenty,thirty,forty,fifty,eighty。表示“幾百”，用“具體數(shù)字+hundred”，注意hundred應用單數(shù)形式。Pre-listeningListenandcirclethenumbersyouhearin1a.101112131415161718192021222324252627282930311cWhile-listeningListenagain.CirclethethingsinthepicturethatKateandhermomtalkabout.Check(√)thethingKatebuys.√1dWhile-listeningHowmuchisthewhitebag?It’sseventeendollars.Askandanswerquestionsaboutthethingsinthepicture.Post-listening1eTask21.askirt___3.socks___5.shorts__2.asweater___4.trousers____6.shoes__Howmuchdoyouthinkthesethingscost?

Matcheachclothingitemwithaprice.bafedca.$3c.$30e.$22b.$15d.$20f.$252aPre-reading$15$12$20$28$22$16$2for3pairs$30While-readingReadtheadandfillthepricetags.2bReadagainandfillintheblanks.While-readingyellowsweatersblacktrousers$20blackshoes$2forthreepairsYou:

Hello,______Ihelpyou?Girl:Yes,please.Ineeda______.You:

Howaboutthesepurple______.Girl:Oh,Ilikethisone.How______isit?You:It’sonly______dollars.Girl:Oh,good.I’ll_____it.You:Andwhatdoyouneed?Boy:Well,Ineedapairofblack____forschool.ImagineyouworkatMr.Cool’sClothesStore.Completetheconversation.2cPost-readingcanskirtskirtstwentymuchtakeshoesYou:Whataboutthispair?Theyare_____twenty-eight_______.Boy:

Great.Anddoyouhaveshorts,too?You:Yes,ourshortsareonly______dollars.Boy:

OK.I’lltakethe_____andthe______.Post-readingonlydollarssixteenshoesshortsPracticetheconversationinagroup.You:Hello,CanIhelpyou?Girl:Yes,please.Ineedaskirt.You:Howaboutthesepurpleskirts?Girl:Oh,Ilikethisone.Howmuchisit?You:It’sonly20dollars.Girl:Oh,good.I’lltakeit.You:Andwhatdoyouneed?Post-readingBoy:Well,Ineedapairofblackshoesforschool.You:

Whataboutthispair?Theyareonly28dollars.Boy:Great.Anddoyouhaveshorts,too?You:

Yes,ourshortsareonly16dollars.Boy:OK.I’lltaketheshoesandtheshorts.Languagepoints1.Mr.Cool’sClothesStore

酷先生服裝店在英語中，服裝店等專有名詞（人名、地名、店名等）的每個單詞的首字母均要大寫。例如：No.6MiddleSchool第六中學；HuaxingClothesStore華興服裝店P(guān)ost-reading2.Comeandbuy

yourclothesatourgreatsale!來我們的大賣場買衣服吧！句式剖析：本句是一個祈使句，表示建議。其中and連接兩個動詞come和buy，表示動作的一先一后。祈使句通常省略主語you，以動詞原形開頭。comeand…表示“來（做某事）”。例如：Comeandseeus.來看看我們。buyv.購買；買Point1buy是及物動詞，反義詞是sell(賣)，常見用法有：buybuysth.forsb.=buysb.sth.給某人買某物buysth.from…從……買某物Post-reading1)sale是動詞sell的名詞形式。2)onsale折價銷售;減價出售；forsale待售3)ata/one'sgreatsale相當于onsale，其中at表示“以……（價格）”。salen.特價銷售；出售Point2Thebooksareonsaletoday.今天這些書減價出售。Youcangetanicedressatourgreatsale.你可以在我們大甩賣時買到一條漂亮的連衣裙。Post-reading3.Wesellallourclothesatverygoodprices.我們以很優(yōu)惠價格賣我們所有的衣服。

price作名詞,常用于以下結(jié)構(gòu)：1)at...prices/ata...price以……的價格2)thepriceof...……的價格pricen.價格Point表示價格高低用high（高的）

和low（低的）；表示物品貴或便宜用expensive（昂貴的）和cheap（便宜的）。Thepriceofthecarisveryhigh.這輛車的價格很高。Thebookisverycheap.這本書很便宜。Post-reading1.ten~thirty-one,clothesstore,buy,sale,sell,all,very,price,boy,apairofComeandbuyyourclothesatourgreatsale!

buysth.forsb./buysb.sth.,sellsth.tosb.,onsale,atverygoodprices,inpurple,apairofWesellallourclothesatverygoo