Unit4Topic1WhatcanIdoforyou?SectionAsixtenninethreefiveseveneighttwoReadthenumbersyouhavelearned.fouronezeroonetwothreefourfivesixseveneightnineten+teen=elevenfourteenfifteentwelvethirteeneighteennineteensixteentwentyseventeen+teen=+teen=+teen=21twenty-one20twentytwenty-onetwenty-twotwenty-threeLearnthenumbers21-29.twenty-sixtwenty-fourtwenty-fiveLearnthenumbers21-29.twenty-ninetwenty-seventwenty-eightLearnthenumbers21-29.30thirty40forty90ninetytwenty2050607080fiftysixtyseventyeightytytytytytytytytyLookandlearn.100onehundred101onehundredandone['h?ndr?d]151onehundred(and)fifty-one362threehundred(and)sixty-two21222324252627282930405060708090thirtyfortyfiftysixtyseventyeightyninety100101185315999（錄音P82-2a）Listenandlearn.twenty-onetwenty-twotwenty-threetwenty-fourtwenty-fivetwenty-sixtwenty-seventwenty-eighttwenty-nineonehundred/ahundredonehundredandoneonehundredandeighty-fivethreehundredandfifteenninehundredandninety-nineListenandmatchtheclotheswiththerightprices.capskirtT-shirtpants2.￥16.00

￥60.001.￥18.00

￥80.003.￥17.00

￥70.004.￥15.00

￥50.00（錄音P82-2b）Mother:Iwanttobuysomeclothesformydaughter.Saleswoman:WhatcanIdoforyou,madam？['m?d?m]['se?lz,w?m?n]CanItryiton?Itlooksniceonyou.Sure.

Howmuchisit?

Itisonehundredyuan.That'sfine.I'lltakeit.Howmuch

isthecap?

￥35It’sthirty-fiveyuan.Howmuch

arethepants?

￥125They’rethirty-fiveyuan.Keypoints:1.我想為我女兒買些衣服。Iwanttobuysomeclothesformydaughter.為某人買某物buysth.forsb.=buysb.sth.

如：Shewantstobuysomeflowersforme.=Shewantstobuy

mesomeflowers.WhatcanIdoforyou?=CanIhelpyou?

我能幫助你嗎?/你想要什么？這是購物時的常用語。有的還會在句尾加一個尊稱,如:madam,sir。2.

CanItry

it

on?我可以試穿一下嗎？

tryon試穿（如賓語是代詞，放中間.）如：Theshoesarenice.Pleasetrythemon.

3.Howmuchisit?

多少錢？

howmuchis/are…?……多少錢？

如：Howmucharetheshoes?

They’re165yuan.Look,listenandsay.（視頻P81-1a）Q:Howmuchisthecoat?1.Motherwantstobuy_______(shoes,clothes,gloves)forMaria.2.Marialikes_________(theredcoat,theyellowskirt,theyellowcoat).3.Itis_______(17.00,70.00,700.00)yuan.Listento1aandcheck.√√√(視頻P81-1a)Happyshopping!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.SummaryNumbers:

1-9992.Usefulexpressions:WhatcanIdoforyou?/MayIhelpyou?Iwant…/I’dlike…CanItryit/themon?Sure.Itlooksveryniceonyou.Howmuchisit/arethey?We’lltakeit.1.Reviewthenumbers21—999.2.Recite1a.3.PreviewSectionB.HomeworkGood-bye!（視頻P82-3b）音標學習smalltalkwalk