初一英语上册Unit7period3

,Unit7SectionB1a-2c,big(反义词)_2.long(反义词)_3.white(反义词)_4.sock(复数)_5.shoe(复数)_6.this(复数)_7.that(复数)_8.dollar(复数)_9.需要我帮助吗？_10.这个怎么样？_11.我将买它。_12.三美元两双_13.给你_,short,small,一、按要求写出正确的单词或词组。,black,socks,shoes,those,dollars,these,CanIhelpyou?,Revision,How/Whataboutthisone?,Illtakeit.,threedollarsfortwopairs,Hereyouare.,二、Askandansweraboutthepictures.,Howmuchisthathat?,Itsfivedollars.,Howmuchis/are?,Its/Theyre,Numbers,Presentation,ten,eleven,twelve,thirteen,fourteen,four,+,teen,16sixteen,17seventeen,19nineteen,fifteen,eighteen,twenty,twen,+,ty,thirty,thir,+,ty,40forty,50fifty,60sixty,twenty-one,thirty-two,sixty-seven,clothes,boy,Mr.,apairofshoes,sale,store,price,buy,sell,Bean,Howmuchis/are?,Its/Theyre,1.askirt_3.socks_5.shorts_2.asweater_4.trousers_6.shoes_,Howmuchdoyouthinkthesethingscost?Matcheachclothingitemwithaprice.,Thinking,2a,b,a,f,e,d,c,a.$3c.$30e.$22b.$15d.$20f.$25,Readtheadandfillthepricetags.,Mr.CoolsClothesStoreComeandbuyyourclothesatourgreatsale!Wesellallourclothesatverygoodprices.Doyoulikesweaters?Wehaveredandgreensweatersforonly$15!Yellowsweatersareonly$12!Doyouneedtrousers?Forboys,wehaveblacktrousersforonly$22.Andshortsareonly$16!Forgirls,wehaveskirtsinpurpleforonly$20.Howmuchareourjackets?Only$30!Andwehaveblackshoesforonly$28.Socksareonly$2forthreepairs！CometoMr.CoolsClothesStorenow!,2b,阅读指导:首先，读短文过程中，可用“_”划出广告中所售的衣物，并用“”圈出该物品的价格。然后，看图片中的物品并注意其颜色，与短文中所描述的物品相对应。最后，将衣物名称与价格一一对应，填入价签中。,$15,$12,$20,$28,$22,$16,$2,$30,You:Hello,_Ihelpyou?Girl:Yes,please.Ineeda_.You:Howaboutthesepurple_.Girl:Oh,Ilikethisone.How_isit?You:Itsonly_dollars.Girl:Oh,good.Ill_it.You:Andwhatdoyouneed?Boy:Well,Ineedapairofblack_forschool.,2c,ImagineyouworkatMr.CoolsClothesStore.Completetheconversation.,Writing,You:Whataboutthispair?Theyare_twenty-eight_.Boy:Great.Anddoyouhaveshorts,too?You:Yes,ourshortsareonly_dollars.Boy:OK.Illtakethe_andthe_.,阅读指导：首先，快速阅读对话一遍，明确自己售货员的身份，可知第一句话应为“CanIhelpyou?”。然后，读对话，通过对话中谈到的衣物的颜色或价格等信息来确定是何衣物；或通过所谈到的衣物来填写其颜色或价格。,如在女孩购物的情境中，根据所谈到theseredandpurpleones再与短文中的“Wehaveskirtinredandpurple”信息相对应，可知女孩是想买短裙，价格是$20。男孩谈到需要一双棕色的某物上学穿，再由下文知其仅是28美元，回顾短文可知所谈应是鞋子。男孩还谈到了要买短裤，对应短文内容可知短裤的价格是16美元。,Answers:Can,skirt,skirts,much,20,take,shoes,only,dollars,16,shoes,shorts,Practicetheconversationinagroup.,You:Hello,canIhelpyou?Girl:Yes,please.Ineedaskirt.You:Howaboutthesepurpleskirts?Girl:Oh,Ilikethisone.Howmuchisit?You:Itsonly20dollars.Girl:Oh,good.Illtakeit.You:Andwhatdoyouneed?,Boy:Well,Ineedapairofblackshoesforschool.You:Whataboutthispair?Theyareonlytwenty-eightdollars.Boy:Great.Anddoyouhaveshorts,too?You:Yes,ourshortsareonly16dollars.Boy:OK.Illtaketheshoesandtheshorts.,1.基数词的表达1)one到twelve,拼写和读音无规律可言,只能逐一记忆。2)thirteen到nineteen，表示“十几”，在个位数后加后缀-teen，其中要注意thirteen,fifteen和eighteen的拼写。3)twenty到ninety，表示“几十”，以ty结尾，但需注意twenty,thirty,forty,fifty,eighty的拼写。4)2129直到9199，表示“几十几”,用整十位数加个位表示,中间用连字符“-”把十位和个位连接起来。,5)onehundred意为“一百”，也可说ahundred，hundred可加具体数字，如ninehundred(900)。2.基数词的用法：基数词只能修饰可数名词，要注意数词和名词在数上要保持一致。如：onestudent一名学生twoboys两名男孩twentyapples二十个苹果thirty-threeeggs三十三个鸡蛋,3.buy用作动词，意为“买”，常用短语为：buysb.sth./buysth.forsb.意为“给某人买某物”。如：Letsbuymomanewhat.（=Letsbuyanewhatformom.）我们给妈妈买顶新帽子吧。,4.clothes指身上穿的各种服装，包括上衣，内衣，裤子等，是衣服的总称。它不能直接与数词连用，但可以与some,many,these或those等连用。如：Look!Someclothesareonsaleoverthere.看！那边的衣服大减价了。,5.sale是动词sell的名词形式，常用短语：onsale，意为“出售；廉价出售”，其同义短语为atagreatsale。如：Thesweatersinthestoreareonsaletoday.今天这家商店的毛衣大减价了。6.all与定冠词、指示代词、形容词性物主代词等限定词连用时，all应放于这些词之前。如：allthestudents所有这些学生allherclothes她所有的衣服allthoserooms所有那些房间,7.atverygoodprices或ataverygoodprice.意为“以合理的价格(出售)”。price用作名词，意为“价格”。如：Whatsthepriceofthebook?这本书多少钱?Theyhavesweatersinallcolors,atthepriceof15each.他们有各种颜色的毛衣，每件售价是15元。,8.Forgirls,wehaveskirtsinredandpurpleforonly20.对于女孩，我们有红色和紫色的裙子，仅售20元。1)forgirls中的for是“对于而言”；foronly20中的for是“交换”的意思。2)该句中的in后接颜色的词，表示“穿颜色的”。如：Thegirlinredismysister.那个穿红衣服的女孩是我妹妹。,按规律复习所学的有关数字的词汇，并强化记忆。2.课下复习2b中的短文，并试着复述短文。,Homework,一、填表格，记数字。,eleven,13,fifteen,12,twenty,16,eighteen,19,thirty,twenty-six,21,twenty-eight,35,thirty-nine,Exercises,二、做数学题，学英语。1.twenty-sixtwelvenine=_2.sixteeneighteleven=_3.eighteensevenfifteen=_4.thirteenfourteentwenty-five=_5.twenty-ninethirteenten=_6.thirty-ninetwentyfive=_7.twelvethirteenfifteen=_8.nineteeneleventwenty=_,five,thirty-five,twenty-six,two,six,fourteen,ten,twenty-eight,三、用介词at,for,in填空。1._girls,youcanbuyskirt_￥16.2.Thegir