Period 2need需要 twenty二十 look 看；看上去 Mr.先生 Pair一双；一对 clothes 衣服，服装take 买下；拿；取 store 商店ten 十 buy 买eleven 十一 sale特价出售twelve十二 sell卖 thirteen 十三 all所有的；全部的 fifteen 十五 very 很，非常eighteen 十八 price 价格 boy男孩Role-play the conversation.Woman : Can I help you? Mary: Yes, please. I need a sweater for school.Woman : OK. What color do you want?Mary: Blue .Woman : How about this one?Mary: It looks nice. How much is it ?Woman : Nine dollars. Mary: Ill take it . How much are those yellow socks?Woman : Two dollars for one pair and three dollars for two pairs.Mary: Great ! Ill take two pairs.Woman : Here you are. Mary: Thank you.Woman : Youre welcome.2eCan 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What 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。 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： 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. 你需要穿上你的夹克。你需要穿上你的夹克。 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.”。如：。如： The sweater is cheap. Ill take it. 这件毛衣很便宜。我买了（我要买下它）。这件毛衣很便宜。我买了（我要买下它）。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。 （我要买下它们）（我要买下它们）Read the dialogue in 2e and fill in the blanks. ThingsColorPricesweater_ _ _for one pair_for two pairsninebluesocksyellowtwo dollarsthree dollars( 描述一下你所买的服饰描述一下你所买的服饰) I have a hat. Its $4. Its red. Its small. I like it very much.How much is the hat ?Its five dollars.Its=It isHow much is this T-shirt?Its seven dollars.How much is that brown sweater?Its eight dollars.How much are these socks?Theyre two dollars.Theyre=They areHow much are those black trousers?Theyre nine dollars.Grammar Focus3a Make sentences in the chart with the words in the three boxes.How much is?How much are?this yellow T-shirtthese green shorts1. How much is the hat?_ 2. How much is the bag?_ 3. How much is the T-shirt?_ 4. Theyre three dollars.5. Its nine dollars.6. Its eight dollars. 3b Look at the pictures and write the questions and answers.1.Its five dollars.2. Its ten dollars.3. Its six dollars.4.How much are these socks?5.How much is the sweater?6.How much is the skirt?Answer :3c Students A, look at the pictures in 3b for a 3c Students A, look at the pictures in 3b for a minute and then close your book. Student B, minute and then close your book. Student B, ask questions.ask questions. $10.00$6.00$3.00$9.00二、二、单项选择单项选择1. I like 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) your 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 is1.big (反义词反义词) _ 2. long (反义词反义词) _3. white (反义词反义词) _ 4. sock (复数复数) _ 5. shoe (复数复数) _ 6. this (复数复数) _7. that (复数复数) _ 8. dollar (复数复数) _9. 需要我帮助吗？需要我帮助吗？ _10. 这个怎么样？这个怎么样？ _ 11. 我将买它。我将买它。_12. 三美元两双三美元两双 _13. 给你给你 _ shortsmall一、按要求写出正确的单词或词组。一、按要求写出正确的单词或词组。blacksocksshoesthosedollarsthese Can I help you?RevisionHow/What about this one?Ill take it. three dollars for two pairsHere you are.