新版2012七年级上册英语Unit7_How_much_are_these_socks？.ppt

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1、What do we use to buy things?dollar 美元美元RMB人民币人民币(yuan)注意：注意：yuan 没有复数而没有复数而dollar和和pound有复数。有复数。Tipsyuan，dollar pound￥5 five yuan5 five dollars5 five pounds1.how much用于提问用于提问某物的价格某物的价格，意为，意为“多少钱多少钱”，其句式为，其句式为“How much+be+主语主语?”当主语是不可数名词或可数名词单数时，当主语是不可数名词或可数名词单数时，be动词动词用用is，答语为，答语为Its+数额数额；当主语是可数名词复

2、数；当主语是可数名词复数时，时，be动词用动词用are，答语为，答语为Theyre+数额数额。如：。如：How much is this bag?这个包多少钱这个包多少钱?Its six dollars.六美元。六美元。How much are the apples?这些苹果多少钱这些苹果多少钱?Theyre two dollars a kilo.两美元一千克。两美元一千克。2.socks是是sock的复数形式。在英语中，成双成对的复数形式。在英语中，成双成对的物品常以复数形式出现。的物品常以复数形式出现。例如：例如：shoes shorts trousers glasses chopstic

3、ks scissors 此类词作主语时，谓语动词用此类词作主语时，谓语动词用复数形式复数形式；但与；但与a pair of（一双、一对或一副）连用作主语时，（一双、一对或一副）连用作主语时，谓语动词用谓语动词用单数单数形式。如：形式。如：My shoes are under the bed.我的鞋在床下了。我的鞋在床下了。That pair of shorts is Jacks.那条短裤子是杰克的。那条短裤子是杰克的。3.Can I help you?我能帮助您吗？我能帮助您吗？这是商店售货员或其他服务人员招呼顾客这是商店售货员或其他服务人员招呼顾客时的礼貌用语，相当于时的礼貌用语，相当于Wh

4、at can I do for you?。接受对方的帮助常回答。接受对方的帮助常回答“Yes,please.”；拒绝对方的帮助用；拒绝对方的帮助用“No,thanks.”作答。如：作答。如：Can I help you?我能帮助您吗？我能帮助您吗？Yes,please.I want a pen.是的。是的。我想要一支钢笔。我想要一支钢笔。4.I need a sweater for school.我需要一件毛衣上学穿。我需要一件毛衣上学穿。need是实义动词，意为是实义动词，意为“需要需要”。常用于。常用于以下句式中：以下句式中：1)need+sth.，表示，表示“需要某物需要某物”。如：。如

5、：I need some erasers.我需要一些橡皮。我需要一些橡皮。2)need+to do sth.表示表示“需要做某事需要做某事”，这时这时need的主语是的主语是“人人”。如：。如：You need to put on your jacket.你需要穿上我有夹克。你需要穿上我有夹克。5.Ill take it.我要买下它。我要买下它。此句是选好商品并决定购买时的常用语。若此句是选好商品并决定购买时的常用语。若选定的物品是选定的物品是单数单数，可以说，可以说“Ill take/have it”；若选定的物品是；若选定的物品是复数复数则应说则应说“Ill take/have them.

6、”。如：。如：The sweater is cheap.Ill take it.这件毛衣很便宜。我买了。这件毛衣很便宜。我买了。The oranges are 2 dollars.这些桔子两美元。这些桔子两美元。Ill take them.我买了。我买了。Can I help you?服务员首先打招呼服务员首先打招呼 May I help you?What can I do for you?Im looking for 顾客讲出要求顾客讲出要求 需要购买时需要购买时 Id like I want Can I have a look at 只是闲逛时只是闲逛时 Just have a look.

7、No,thanks.Im just looking around.询问顾客想买的商品时询问顾客想买的商品时 What kind/color/size do you want?What about the color/size?向顾客推荐商品时向顾客推荐商品时 How do you like?How about?How much is it?询问和说明价格询问和说明价格 How much are they?What s the price of?Its/Theyre 决定购买决定购买 Ill take it/them.付钱付钱 Here is the money.进进店店时时挑挑选选货货物物ha

8、tT-shirtjacketsweaterskirtshortsshoessockstrousersdollarsExercises一看图说出下列物品的英语单词一看图说出下列物品的英语单词NumbersPresentationteneleventwelvethirteenfourteenfour+teen16 sixteen17 seventeen19 nineteenfifteeneighteentwentytwen+tythirtythir+ty40 forty50 fifty60 sixtytwenty-onethirty-twosixty-seven1.基数词的表达基数词的表达1)on

9、e到到twelve,拼写和读音无规律可言拼写和读音无规律可言,只能逐一只能逐一记忆。记忆。2)thirteen到到nineteen，表示，表示“十几十几”，在个位数，在个位数后加后缀后加后缀-teen，其中要注意，其中要注意thirteen,fifteen和和eighteen的拼写。的拼写。3)twenty到到ninety，表示，表示“几十几十”，以，以ty结尾，但结尾，但需注意需注意twenty,thirty,forty,fifty,eighty的拼写。的拼写。4)2129 直到直到9199，表示，表示“几十几几十几”,用整十位用整十位数加个位表示数加个位表示,中间用连字符中间用连字符“-”

10、把十位和个位把十位和个位连接起来。连接起来。5)one hundred 意为意为“一百一百”，也可说，也可说a hundred，hundred可加具体数字，如可加具体数字，如nine hundred(900)。2.基数词的用法：基数词的用法：基数词只能修饰可数名词，要注意数词和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：名词在数上要保持一致。如：one student 一名学生一名学生 two boys 两名男孩两名男孩twenty apples 二十个苹果二十个苹果 thirty-three eggs 三十三个鸡蛋三十三个鸡蛋1a Listen and repeat.Lis

11、ten and repeat.10 11 12 13 14 15 16 17 18 19 2021 22 23 24 25 26 27 28 29 30 31 Write the numbers in 1a next to the correct word.Which rows of numbers are in the wrong places?1bten _ eleven _ twelve _ thirteen _ fourteen _ twenty-five _ twenty-six _ twenty-seven _ twenty-eight _ twenty-nine _ twenty

12、 _ twenty-one _ twenty-two 22 twenty-three _ twenty-four _ fifteen _ sixteen _ seventeen _ eighteen _nineteen _ thirty _ thirty-one _ 10 11 12 13 14 25 26 27 28 29 20 21 23 24 15 16 17 18 19 30 31Listen and circle the numbers you hear in 1a.1c10111213141516171819202122232425262728293031Listen again.

13、Circle the things in the picture that Kate and her mom talk about.Check()the thing Kate buys.1dHow much is/are?Its/Theyre1.a skirt _ 3.socks _ 5.shorts _2.a sweater _ 4.trousers _ 6.shoes _How much do you think these things cost?Match each clothing item with a price.Thinking2abafedca.$3 c.$30 e.$22b

14、.$15 d.$20 f.$25 Read the ad and fill the price tags.Mr.Cools Clothes Store Come and buy your clothes at our great sale!We sell all our clothes at very good prices.Do you like sweaters?We have red and green sweaters for only$15!Yellow sweaters are only$12!Do you need trousers?For boys,we have black

15、trousers for only$22.And shorts are only$16!For girls,we have skirts in purple for only$20.How much are our jackets?Only$30!And we have black shoes for only$28.Socks are only$2 for three pairs！Come to Mr.Cools Clothes Store now!2b$15$12$20$28$22$16$2$303.buy用作动词，意为用作动词，意为“买买”，常用短语，常用短语为：为：buy sb.sth

16、./buy sth.for sb.意为意为“给某给某人买某物人买某物”。如：。如：Lets buy mom a new hat.（=Lets buy a new hat for mom.）我们给妈妈买顶新帽子吧。我们给妈妈买顶新帽子吧。4.clothes指身上穿的指身上穿的各种服装各种服装，包括上衣，包括上衣，内衣，裤子等，内衣，裤子等，是是衣服的总称衣服的总称。它不能直它不能直接与数词连用接与数词连用，但可以与，但可以与some,many,these或或those等连用。如：等连用。如：Look!Some clothes are on sale over there.看！那边的衣服大减价了。

17、看！那边的衣服大减价了。5.sale是动词是动词sell的名词形式的名词形式，常用短语：，常用短语：on sale，意为，意为“出售；廉价出售出售；廉价出售”，其同义短语，其同义短语为为at a great sale。如：。如：The sweaters in the store are on sale today.今天这家商店的毛衣大减价了。今天这家商店的毛衣大减价了。6.all与定冠词、指示代词、形容词性物主代词与定冠词、指示代词、形容词性物主代词等限定词连用时，等限定词连用时，all应放于这些词之前。如：应放于这些词之前。如：all the students 所有这些学生所有这些学生 al

18、l her clothes 她所有的衣服她所有的衣服 all those rooms 所有那些房间所有那些房间 7.at very good prices意为意为“以合理的价格以合理的价格(出售出售)”。price用作名词，意为用作名词，意为“价格价格”。如：如：Whats the price of the book?这本书多少钱这本书多少钱?They have sweaters in all colors,at the price of15 each.他们有各种颜色的毛衣，每件售价是他们有各种颜色的毛衣，每件售价是15元。元。8.For girls,we have skirts in red

19、 and purple for only20.对于女孩，我们有红色和紫色对于女孩，我们有红色和紫色的裙子，仅售的裙子，仅售20元。元。1)for girls中的中的for是是“对于对于而言而言”；for only20中的中的for是是“交换交换”的意思。的意思。2)该句中的该句中的 in 后接颜色的词，表示后接颜色的词，表示“穿穿颜色的颜色的”。如：。如：The girl in red is my sister.那个穿红衣服的女孩是我妹妹。那个穿红衣服的女孩是我妹妹。Practice the conversation in a group.You:Hello,Can I help you?Gi

20、rl:Yes,please.I need a skirt.You:How about these purple skirts?Girl:Oh,I like this one.How much is it?You:Its only 20 dollars.Girl:Oh,good.Ill take it.You:And what do you need?Boy:Well,I need a pair of black shoes for school.You:What about this pair?They are only 28 dollars.Boy:Great.And do you have

21、 shorts,too?You:Yes,our shorts are only 16 dollars.Boy:OK.Ill take the shoes and the shorts.一、一、填表格，记数字。填表格，记数字。101115tenthirteentwelve201830sixteennineteen262839twenty-onethirty-fiveeleven 13fifteen12twenty16eighteen19thirtytwenty-six21twenty-eight35thirty-nineExercises 二、做数学题，学英语。二、做数学题，学英语。1.twen

22、ty-six twelve nine=_ 2.sixteen eight eleven=_ 3.eighteen seven fifteen=_ 4.thirteenfourteentwenty-five=_ 5.twenty-ninethirteenten=_ 6.thirty-nine twenty five=_ 7.twelve thirteen fifteen=_ 8.nineteen eleven twenty=_fivethirty-fivetwenty-sixtwosixfourteententwenty-eight三、用介词三、用介词at,for,in 填空。填空。1._ gi

23、rls,we you can buy skirt _￥16.2.The girl _ red sweater is my cousin,Jenny.3.Come and buy your clothes _ our great sale.4.Do you know the boy _ black?5.They sell nice clothes _ good prices.6.His grandfather likes noodles _ breakfast.7.Please call Allan _ 789-5466.Forinatinat forforat二、二、单项选择单项选择1.I l

24、ike that watch._ is it?Its 20 yuan.A.How many B.How much C.What color 2.My T-shirt _ white and my shorts _ yellow.A.is;are B.are;are C.are;is 3.I want _ the blue T-shirt?A.get B.gets C.to get BA C4._,sir?I need a pair of sports shoes.A.Can I help you B.How do you do C.What do you do 5.Can I use(用用)y

25、our eraser?Yes._.A.Thank you B.Youre welcome C.Here you are AC三、句型转换。三、句型转换。1.This shirt is small for me.(改为复数意义改为复数意义的句子的句子)_ _ _ small for me.2.The red skirt is 20 yuan.(对划线部分提对划线部分提问问)_ _ _ the red skirt?3.Those shoes are yellow.(对划线部分提问对划线部分提问)_ _ _ those shoes?These shirts areWhat color areHow much is4.She needs a skirt for school.(改为否定句改为否定句)She _ _ a skirt for school.5.Is the blue hat two dollars?(作肯定回答作肯定回答)_,_ _.doesnt needYes it is