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Unit4Topic1WhatcanIdoforyou?SectionAsalesmansaleswoman要求Requirements1.说数字Numbers2.说价格Price3.说用语Sentences1.说数字Numberszeroonetwothreefourfivesixseveneightnineten012345678910Doyouremember0-20？fifteenthirteenonetwothreefourfivesixseveneightnineten+teeneleventwelvefourteensixteenseventeeneighteennineteentwentytwenty-oneLearnthenumbers21-29.twentytwenty-onetwenty-twotwenty-threetwenty-sixtwenty-fourtwenty-fivetwenty-ninetwenty-seventwenty-eight30thirty40forty90ninetytwenty2050607080fiftysixtyseventyeightyLookandlearn.seventeenfifteenthirteentwothreefourfivesixseveneightnine+teentwelvefourteensixteeneighteennineteen+tytwentyfiftythirtyfortysixtyseventyeightyninety100onehundred101onehundredandone151onehundred(and)fifty-one362threehundred(and)sixty-two2021222324252627282930324043505460708090thirtythirty-twofortyforty-threefiftyfifty-foursixtyseventyeightyninety100101184215355468673739841999twentytwenty-onetwenty-twotwenty-threetwenty-fourtwenty-fivetwenty-sixtwenty-seventwenty-eighttwenty-nineonehundred/ahundredonehundredandoneonehundredandeighty-fourtwohundredandfifteenthreehundredandfifty-fivefourhundredandsixty-eightsixhundredandseventy-threesevenhundredandthirty-nineeighthundredandforty-oneninehundredandninety-nineListenandlearn.（录音P82-2a）1.整十都有_______。2.十位于个位用_________连接。3.百位与十位用_________连接。短横线tyand•1、1至12单独记。•2、13至19都有_____。•3、整十都有__。•4、若要表达几十几，十位____连个位。•5、若要表达几百几十几，几百____几十几。teentyand短横Listenandmatchtheclotheswiththerightprices.capskirtT-shirtpants2.￥16.00￥60.001.￥18.00￥80.003.￥17.00￥70.004.￥15.00￥50.00（录音P82-2b）2.说价格PriceHowmuchisthehat?￥35It’sthirty-fiveyuan.Howmucharethehats?￥35They’reseventyyuan.×2Howmuchis/are….?...多少钱？It’s/They’re…对价格提问-Howmuchis…?-It’s…-Howmuchare…?-They’re…￥35￥788￥106￥470￥923-Howmuchisyour/her/his/this/that…?-It’s…-Howmuchareyour/her/his/these/those…?-They’re…3.说用语SentencesWelcometoourshop!WhatcanIdoforyou,sir/madam?MayIhelpyou?Look,listenandsay.（视频P81-1a）Howmuchisthecoat?1.Motherwantstobuy_______(shoes,clothes,gloves)forMaria.2.Marialikes_________(theredcoat,theyellowskirt,theyellowcoat).3.Itis_______(17.00,70.00,700.00)yuan.Listento1aandcheck.clothes(视频P81-1a)theredcoat70.00Keypoints:1.Iwanttobuysomeclothesformydaughter.我想为我女儿买些衣服。buysth.forsb.=buysb.sth.为某人买某物如：Shewantstobuysomeflowersforme.=Shewantstobuymesomeflowers.2.CanItryiton?我可以试穿一下吗？tryon试穿（如宾语是代词，放中间）如：Theshoesarenice.Pleasetrythemon.3.Howmuchisit?它多少钱？howmuchis/are…?……多少钱？如：Howmucharetheshoes?They’re165yuan.Salesman:________________Mother:Yes,please.IwantaT-shirtformyson.Salesman:_____________________________________Mother:White.Salesman:Whataboutthisone?Mother:Allright.______________Salesman:Twentyyuan.Mother:OK.___________Can/MayIhelpyou?Whatcolordoyouwant?/What’shisfavoritecolor?Howmuchisit?I’lltakeit.（录音P82-3a）1.Numbers:1-9992.Usefulexpressions:WhatcanIdoforyou?/MayIhelpyou?Iwant…/I’dlike…CanItryit/themon?Sure.Itlooksveryniceonyou.Howmuchisit/arethey?We’lltakeit.1.Reviewthenumbers21—999.2.Recite1a.3.PreviewSectionB.