廣東省揭陽市七年級英語上冊 Unit 7 How much are these socks教案 （新版）人教新目標(biāo)版.doc

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Unit 7 How much are these socks? 一、單元教材分析 本單元以談?wù)摲b為主題，通過介紹服裝，學(xué)習(xí)一些常用的服裝名詞；能掌握“詢問價格和顏色”的句型：How much is this T-shirt? It’s seven dollar．How much are these socks? They are two dollars．What color is it? It is red．What color are they? They are green．；掌握一些購買衣服時常用的語言表達(dá)方式；能閱讀一些簡單的服裝廣告信息，并能寫出一些簡單的廣告；會使用How much引導(dǎo)的問句以及回答；掌握一些表示顏色、形狀、大小的形容詞；學(xué)習(xí)數(shù)詞10-3l；復(fù)習(xí)名詞單、復(fù)數(shù)的使用和指示代詞this, that，these，those的用法。 二、課時安排 The first period (第一課時): Section A (1a–1c) The second period (第二課時): Section A (2a-2d) The third period (第三課時): Section A (Grammar focus–3c) The fourth period (第四課時): Section B (1a–1d) The fifth period (第五課時): Section B (2a–2c) The sixth period(第六課時)：Section B (3aSelf Check) Section A 1 (1a-1c) 一、教學(xué)目標(biāo)： 1. 語言知識目標(biāo)： Teaching aims ： 1. Learn these words and be able to say, read and write these words: how much, sock, T-shirt, shorts, sweater, trousers, shoe, skirt, dollar, 2. Learn these words and be able to say and read these words: clothes, store, price, sale 3. Be able to ask about prices and talk about clothing like How much is this T-shirt? It’s seven dollars. How much are these socks? They’re two dollars. I like this big purple hat. 2. 情感態(tài)度價值觀目標(biāo)： 該部分學(xué)習(xí)內(nèi)容涉及學(xué)生的穿著，是愛美的中學(xué)生們最為關(guān)心的話題，比較貼近學(xué)生的生活，極易于激發(fā)學(xué)生的主動性和學(xué)習(xí)興趣；同時通過購物的對話練習(xí)教學(xué)生學(xué)會如何感謝人。 二、教學(xué)重難點 1. 教學(xué)重點： 1) 通過聽、說、讀的教學(xué)活動，讓學(xué)生掌握表示衣服的英語名稱。 2) 通過對話表演讓學(xué)生在較為真實的的語境下，運用所學(xué)的語言進(jìn)行購物的交際。 2. 教學(xué)難點： 1) 掌握一些衣服的名稱。 2) 通過對話表演讓學(xué)生在較為真實的的語境下，運用所學(xué)的語言進(jìn)行購物的交際。 三、教學(xué)過程 Ⅰ. Warming-up and revision Greeting the Ss. Check the homework. Ask one or more students to show their work. Ⅱ. Presentation 1. Show some pictures of clothes, and learn some new words. 2. Practice the dialogues: —What’s that? —It’s a ____. —What color is it? —It’s _____________. How much is/are…? It’s/They’re … 3. Ask the students to look at the picture and match the words with the things in the picture. T: Now lets work on 1a. We have some new words on the left of the picture and some things marked with a, b, c... and i. Please match the words with the objects in the picture by writing the letter of the objects on the lines next to the words. The first answer is given. Check the answers by asking some students to read the words and the letters. Ⅲ. Listening 1. T: Next we’ll hear a conversation about shopping. The recording will be played twice. For the first time, listen to it carefully. T: For the second time, please circle the things in the picture you hear. 2. Check the answers. (Ask the students to listen to the recording and pare their answers with those in the recording.) 3. Now close your books listen again and fill in the blanks. How much is the _____? It’s ____ dollars. And how much are these ______? Oh, _______ eight dollars. And this _______? How much is it? Let’s see. It’s _____ dollars. Ⅳ. Pair work 1. Ask students to work in pairs and practice the conversations in la. 2. Make their own conversations with their partners. 3. Ask some pairs to act out their conversations. Blackboard design(板書設(shè)計) Unit7 How much are these socks? New words New structures sweater How much is this…? T-shirt It’s… . skirt How much are these…? socks They’re… . shorts $: dollar→dollars buy 買 trousers ￥: yuan sell 賣 Teaching refletion: Section A 1 (2a-2e) 一、教學(xué)目標(biāo)： 1. 語言知識目標(biāo)： 1) 能掌下列詞匯： Teaching aims ： 1. Learn these words and be able to say, read and write these words: how much, sock, T-shirt, shorts, sweater, trousers, shoe, skirt, dollar, big, small, short, long, 2. Learn these words and be able to say and read these words: clothes, store, price, sale 3. Be able to ask about prices and talk about clothing like How much is this T-shirt? It’s seven dollars. How much are these socks? They’re two dollars. I like this big purple hat. 二、教學(xué)重難點 1. 教學(xué)重點： 1) 通過聽、說、讀的教學(xué)活動，讓學(xué)生掌握表示衣服的英語名稱以及描述衣服的形容詞。 2) 通過對話表演讓學(xué)生在較為真實的的語境下，運用所學(xué)的語言進(jìn)行購物的交際。 2. 教學(xué)難點： 1) 掌握一些衣服的名稱。 2) 通過對話表演讓學(xué)生在較為真實的的語境下，運用所學(xué)的語言進(jìn)行購物交際。 三、教學(xué)過程 Ⅰ. Listening 1. Show students some pictures of colors. T: These are different colors. What colors are they? S: They are black, white, red, green, blue and yellow. 2. Show a big hat and a small hat. T: Look! This hat is big. Its a big hat. And this hat is small. Its a small hat. (Write "big" and "small" on the Bb.) 3. Show a long T-shirt and short T-shirt. T: Look! This T-shirt is long. Its a long T-shirt. And this T-shirt is short. Its a short T-shirt. (Write "long" and "short" on the Bb.) 4. Now look at words in 2a. Listen to the recording and repeat after the recording. (Play the tape for the Ss listen and repeat.) Ⅵ. Listening 1. Ask the students to do listening to the conversations in 2b and circle the things they hear. T: Today is Sunday. Alan is shopping with her sister. They are going to buy some clothes and some other things. Now I will play the recording about the conversation. Play the recording for the first time. Listen carefully and circle the things you hear. Play the recording again to check the answers. 2. Ask the students to do listening to the conversations in 2c and fill in the price tags. Play the recording and ask the students to fill in the price tags. Then check the answers. 3. Now close your books and listen again. plete the conversations. Conversation 1 -- I like big ______ hats. Do you have one? -- Yes, I have this one here. -- How much ___ ___? -- ____ _____ dollars. Conversation 2 -- I like this _____ sweater. How much is it? -- It’s ______ dollars. Conversation 3 -- ____ _____ are those red shorts? -- _______ _____ dollars. Conversation 4 -- How much is ____ _____ ________? -- It’s seven dollars. Conversation 5 -- I like those long ____ and ______ socks. How much ____ _____? -- _______ only ____ dollars. Conversation 6 -- How much are the black trousers? -- They’re _____ dollars. Ⅶ. Pair work 1. Then lets ask and answer questions about the things in 2c in pairs. e.g. S1: I like these shorts. How much are they? S2: Theyre six dollars. 2. Ss practice the conversation with their partners. Then make other conversations about the things in 2c. 3. Let some Ss act out their conversations. Ⅷ. Role-play 1. Mary is shopping in a clothes shop. What does she want to buy? Now listen to the conversation and fill in the chart below. Things Color Price sweater 2 dollars for on pair and three dollars for two pairs 2. Ss read the conversation with his/her partner. Discuss with his/her partner then fill the chart. 3. Check the answers with the class. 4. Ss practice the conversation with his/her partner. Then let some pairs role-play the conversation in front of the class. 5. 評價：（讓學(xué)生們對自己的表現(xiàn)及語言表達(dá)能力進(jìn)行自我評價，在小組內(nèi)評價，然后進(jìn)行評出最優(yōu)秀的小組。并鼓勵學(xué)生們下一次爭取做最優(yōu)秀的小組及個人。） Ⅸ. Language points 1. 常見購物用語。 您要買點什么嗎？ 是的。 (……)多少錢？ 我買下了。我買兩雙。 給您。（您拿好了。） Can I help you? Yes, please. How much (is/ are…)? I’ll take it. I’ll take two pairs. Here you are. 2. socks是sock的復(fù)數(shù)形式。成雙成對的物品常以復(fù)數(shù)形式出現(xiàn)。 此類詞作主語時，謂語動詞用復(fù)數(shù)形式；但與a pair of …（一雙、一對或一副）連用作主語時，謂語動詞用單數(shù)形式。如： 我的鞋在床下了。 那條短褲子是杰克的。 My shoes are under the bed. That pair of shorts is Jack’s. 3. Can I help you? 這句話是商店、飯店等場所的服務(wù)人員主動詢問顧客需要的常用表達(dá)，意為“您想買點什么嗎？”或“您想吃點什么嗎？”等。 如果顧客需要，可以回答Yes, please. I want ...；如果顧客不需要，可以回答No, thanks.如： —Can I help you, madam? —Yes, please. I want a bag. / No, thanks. Can I help you?也可用來主動詢問對方是否需要幫助，意為“需要幫忙嗎？”。如： —Can I help you, Mary? —No, thanks. I can do it by myself (自己). 【拓展】 在英語中，服務(wù)人員的日常用語還有May I help you? / What can I do for you? / Is there anything I can do for you?等。 【運用】將下列對話翻譯成漢語。 1) —Can I help you? —Yes, please. I want some rice and chicken. — 您想吃點什么嗎？ — 是的，我想吃米飯和雞肉。 2) —Can I help you? —Yes, please. I can’t find my book. — 需要幫忙嗎？ — 是的，我找不到我的書了。 4. I need a sweater for school. need 是實義動詞，“需要”。常用于： need sth. 需要某物 e.g. 我需要一些橡皮。I need some erasers. need to do sth. 需要做某事，主語是人。 e.g. 你需要穿上你的夾克。 You need to put on your jacket. need… for… 需要……去做…… e.g. 你的聚會需要些什么？ 我們需要帶一些彩色鉛筆上今天下午的英語課。 What do you need for your party? We need some color pencils for this afternoon’s English class. 5. It looks nice. 與That sounds good. 屬同一結(jié)構(gòu)，look表示“看起來，看上去”, 后接形容詞。如： 那個人看上去年長，但他沒那么大年齡。 That man _____ old, but he’s not that old. 這雙鞋穿你腳上真好看。 These shoes ____ nice on you. 6. Two dollars for one pair and three dollars for two pairs. 1) for用來表示物品的價格，價格 + for + 具體物品。如： 這本書30元。 It’s 30 yuan for this book. 2) pair “雙，對，副，套”，常與of 搭配，表褲子，鞋襪，手套，眼鏡等由兩個相同部分組成的物品的量。如： a pair of trousers/ shorts two pairs of soccer shoes 7. I’ll take it. 該句意為“我買下了”。句中take意為“買下”，相當(dāng)于buy / get。在口語中，顧客選好商品并決定購買時，通常說I’ll take it / them.而不說I’ll buy it / them.如： The bag is very cheap (便宜的). I’ll take it. 【拓展】take作動詞時，還可意為“拿；取”。如： Please take the books to my room. Ⅹ. Exercises I. 看圖說出物品的英語單詞。 II. 根據(jù)句意及所給漢語提示, 寫出句中所缺單詞。 Homework: Make a conversation according to 2e. Blackboard design(板書設(shè)計) Unit7 How much are these socks? New words New structures sweater How much is this…? T-shirt It’s… . skirt How much are these…? socks They’re… . shorts $: dollar→dollars buy 買 trousers ￥: yuan sell 賣 Teaching refletion: Section A 2 (Grammar Focus-3c) 一、教學(xué)目標(biāo)： 1. 語言知識目標(biāo)： 1) 復(fù)習(xí)所學(xué)的顏色類及服裝類的詞匯，并在說、讀和寫的練習(xí)中能熟練運用。 2）總結(jié)歸納詢問及回答不同類型及不同顏色服裝的價格的句型。 ① —How much is…? —Its… ② —How much are…? Theyre … 3) 能理解并正確運指示代詞和表顏色的形容詞修飾名詞的用法。 2. 情感態(tài)度價值觀目標(biāo)： 在談?wù)摲b及詢問服裝的價格與顏色的練習(xí)中，學(xué)會如何用英語來購物，并從中獲得學(xué)習(xí)英語的樂趣。 二、教學(xué)重難點 1. 教學(xué)重點： 1) 總結(jié)歸納詢問及回答不同類型及不同顏色服裝的價格的句型。 2) 根據(jù)所提供的情景，能對不同類型及不同顏色的服裝來詢問其價格。 2. 教學(xué)難點： 根據(jù)所提供的情景，能對不同類型及不同顏色的服裝來詢問其價格。 三、教學(xué)過程 Ⅰ. Revision I. 看圖說出下列物品的英語單詞。 II. 按要求寫出正確的單詞或詞組。(復(fù)數(shù) 反義詞) III. Work in pairs. Ask and answer. How much is/are…? It’s… /They’re… Ⅱ. Grammar Focus 1. 根據(jù)漢語提示完成下列句子。 2. Check the answers with the class. 3. Summary How much詢問價格 1. 詢問單數(shù)物品 How much is the/this/that + 單數(shù)名詞? 回答 It’s + 數(shù)額. 例句 —這件紅色的T恤衫多少錢? —十美元。 —How much is the red T-shirt? —It’s ten dollars. 2. 詢問復(fù)數(shù)物品 How much are the / these / those + 復(fù)數(shù)名詞? 回答 They’re + 數(shù)額. 例句 —這雙黑鞋多少錢? —八美元。 — How much are the black shoes? — They’re eight dollars. 3. 其他表 達(dá)方式 What’s the price of + sth.? 回答 It’s + 數(shù)額. 例句 —這頂帽子多少錢? —十元錢。 —What’s the price of the hat? —It’s ten yuan. —這雙黑襪子多少錢? 九美元。 —What’s the price of black socks? —It’s nine dollars. 【拓展】 1. how much還可以用來詢問數(shù)量的多少，但后面跟不可數(shù)名詞。 e.g. —你要多少牛奶？ —兩盒。 —How much milk do you need? —Two boxes. 2. how much還可以用來詢問程度的深淺。 e.g. 你有多么熱愛你的學(xué)校？ How much do you love your school? Ⅲ. Writing 1. Work on 3a. Now lets look at the words in the three boxes. Let some Ss read the words in the boxes. S1: the, this, that… S2: yellow, green, purple… S3: T-shirt, hat, trousers… 2. Now can you make sentences in the chart with the words in the three boxes? You should pay attention to the single or plural form of the words. First, you can make ten sentences. Ss ask questions using the words in the boxes then write down the words in the chart. 3. Let some Ss read their questions. Then check the answers. 4. Let Ss say the rules: ① the/this/that + 表的顏色形容詞 + 名詞單數(shù) ② the/these/those + 表的顏色形容詞 + 可數(shù)名詞復(fù)數(shù) 5. Now lets make another ten sentences on your workbook. IV. Practice 1. Look at the pictures in 3b. Ask and answer about the prices about these things in pairs. S1: How much is the hat? S2: Its five dollars. S1: How much are the socks? S2: Theyre three dollars. 2. OK. Now first ask and answer about the prices about the thing in the picture. Then write the sentences in the chart. V. Pair work 1. Work with your partner. You look at the pictures in 3b for a minute and then close your books. Your partner asks you questions and you try to answer his/her questions. 2. Ss work in pairs. Ask and answer about things in the picture. VI. Exercises I. 根據(jù)括號內(nèi)的要求完成下列各題，每空一詞(含縮略形式)。 II. 根據(jù)漢語意思完成英語句子，每空一詞。 Homework 1. Recite the key sentences. 2. plete the exercises in the workbook. Blackboard design(板書設(shè)計) Unit7 How much are these socks? How much is this…? It’s… . How much are these…? They’re… . $: dollar→dollars ￥: yuan Teaching refletion: Section B 1 (1a-1e) 一、教學(xué)目標(biāo)： 1. 語言知識目標(biāo)： 1) 掌握下列詞匯：ten ~ thirty-one 2) 繼續(xù)練習(xí)“詢問價格”， 并學(xué)習(xí)運用數(shù)字ten~thirty-one來表達(dá)價錢。 本課時的話題貼近學(xué)生們的實際生活，便于調(diào)動學(xué)生們學(xué)習(xí)的積極性，并從中獲得學(xué)習(xí)英語的樂趣。 二、教學(xué)重難點 1. 教學(xué)重點： 1）學(xué)習(xí)英語數(shù)字ten ~ thirty-one的表達(dá)方式，并能在實踐活動中進(jìn)行運用。 2）在較為真實的購物情景下，能運用所學(xué)的語言知識進(jìn)行購物交際活動。 2. 教學(xué)難點： 1）在較為真實的購物情景下，能運用所學(xué)的語言知識進(jìn)行購物交際活動。 三、教學(xué)過程 Ⅰ. Revision 1. Show some pictures and let Ss talk about the price of the clothes. Ⅱ. Listening 1. T: We have learned the numbers 0-9. Today we’ll learn the numbers 10-31 in la, Section B. Listen to the recording and repeat the numbers. (Play the tapes for the Ss to listen and repeat them. Ask students to listen to the recording and learn the numbers.) 2. Then point to some numbers and ask students to say them out. Ask students to finish writing the numbers individually. 3. Tell Ss that some of the numbers are in the wrong order. Check the answers. 4. Let Ss find out the rules of the numbers. ① 13~19 規(guī)律：個位數(shù)字后加 teen；注意：thirteen, fifteen, eighteen的差別。 ② 21～29及31~39等數(shù)字的規(guī)律：twenty或thirty后加連字符，再加個位數(shù) ③ 20、30等表示幾十的數(shù)，大部分構(gòu)成形式為：個位數(shù)后加ty，注意twenty, thirty, fifty等。 Ⅲ. Listening 1. T: Next you will hear a mother and a daughter talking about buying clothes. First listen and circle the numbers you hear in 1a. Play the recording for the first time, Ss only listen. Then play the recording again. This time Ss listen and circle the numbers they hear. 2. Let Ss look at the picture in 1d. Kate and her mother are talking about some clothes. Ask one student to name the various items of clothing shown. Ask another to point at the price tags and read them aloud. 3. Now lets listen to the recording again and check the thing Kate buys. (Play the recording for the Ss to listen and check the answers.) 4. Now close your books, listen again, and plete the conversation. Mom: Oh, look! I like that blue sweater. ____ _____ is it? Kate: ______ dollars. Oh, I like these _____. Mom: Oh, no. I don’t like ___. Kate: Do you like this ______? Mom: Mmm, yes. I do, but it’s ______ dollars. Kate: Oh. How much is the _____ _______? Mom: It’s ______ dollars. But you have a green sweater. Kate: Mmm. Mom: Oh, do you like these _______? Kate: Oh, yes. How much ____ ____? Mom: Only _______ dollars. Kate: OK, ____________. IV. Pair work 1. T: Now look at the pictures in 1d. Point to the white T- shirt and ask and answer like this: —How much is the white T- shirt? —It’s eleven dollars. Have students repeat again. Remind them to use is / it’s with T-shirt, skirt, etc, the singular nouns and are / they’re with socks, trousers, the plural nouns. 2. Ss work in pairs. Ask and answer about the things in the picture above. V. Discussing 1. T: Do you often go shopping with your parents? Do you know the price of different kinds of clothes? Discuss with your partner about the prices of the clothes in the chart. S1: How much is a skirt? S2: I think its twenty-two dollars. What about you? S1: I think its twenty dollars. How much is a sweater? S2: I think its thirty dollars. What about you? S1: I think its twenty-two dollars. … 2. Match each clothing item with a price. Blackboard design(板書設(shè)計) Unit7 How much are these socks? 數(shù)字ten ~ thirty-one 數(shù)字規(guī)律 How much is the white T- shirt? —It’s eleven dollars. Teaching refletion: Section B 1 (2a-2c) 一、教學(xué)目標(biāo)： 1. 語言知識目標(biāo)： 1) 掌握下列詞匯：ten ~ thirty-one, Mr. clothes, store, buy, sale, sell, all, very, price, boy, a pair of 2) 繼續(xù)練習(xí)“詢問價格”， 并學(xué)習(xí)運用數(shù)字ten~thirty-one來表達(dá)價錢。 3）學(xué)會如何作簡單的價格報告。 4）閱讀服裝商店的促銷廣告，并能獲得其服裝的價格等相關(guān)信息。 2. 情感態(tài)度價值觀目標(biāo)： 日常生活中，人們?nèi)ベI東西之前，一般要閱讀廣告，從廣告中獲取該商品的一些有用信息，包括價格、性能等。所以給學(xué)生提供有些商品的廣告或讓學(xué)生去商店去閱讀一些商品的廣告，從中獲取商品的價格，即可以鍛煉學(xué)生的閱讀能力，又能提高實踐能力。本課時的話題貼近學(xué)生們的實際生活，便于調(diào)動學(xué)生們學(xué)習(xí)的積極性，并從中獲得學(xué)習(xí)英語的樂趣。 二、教學(xué)重難點 1. 教學(xué)重點： 1）學(xué)習(xí)英語數(shù)字ten ~ thirty-one的表達(dá)方式，并能在實踐活動中進(jìn)行運用。 2）閱讀服裝商店的促銷廣告，并能獲得其服裝的價格等相關(guān)信息。 3）在較為真實的購物情景下，能運用所學(xué)的語言知識進(jìn)行購物交際活動。 2. 教學(xué)難點： 1）閱讀服裝商店的促銷廣告，并能獲得其服裝的價格等相關(guān)信息。 2）在較為真實的購物情景下，能運用所學(xué)的語言知識進(jìn)行購物交際活動。 三、教學(xué)過程 Ⅰ. Revision 3. VI. Reading 1. Look at the picture in 2b and answer the questions. 1) What can you see in the picture? 2) Where are the clothes? 3) What’s the store’s name? 2. Mr. Cools Clothes Store has a great sale. They sell their clothes at a very good price. What are the prices of their clothes? Look at their ads below and fill in the price tags. (指導(dǎo)：此題是考試中的任務(wù)型閱讀理解題。捕捉圖片中所示物品及短文中對應(yīng)的價格是解題的關(guān)鍵。學(xué)生讀短文過程中，劃出廣告中所售的衣物，然后圈出該物品的價格。最后將衣物名稱與價格一一對應(yīng)，填入價簽中。) 2. Ss read the ad and fill in the price tags then check the answers. 3. If Ss have something they dont understand. Put up their hands and ask the teacher to explain them. Explain some main sentences that Ss dont understand. 4. Read the ad again and answer the questions. 1) What can we buy at Mr. Cool’s Clothes Store? 2) How much are the yellow sweaters there? 3) For boys, what color trousers do they sell? How much are they? 4) If you want to buy six pair of socks, how much do you have to pay? 5. Close your books and plete the passage. Mr. Cool’s Clothes Store e and buy your clothes at our great sale! We sell all our clothes ___ very good prices. Do you like _______? We have green sweaters for only _____ dollars! Yellow sweaters are only ______ dollars! Do you need _______? For boys, we have _____ trousers for only _________ dollars. And shorts are only ______ dollars! For girls, we have skirts ___ purple for only ______ dollars. How much ____ our jackets? Only _____ dollars! And we have black shoes for only ___________ dollars. Socks are only $__ for three _____! _______ Mr. Cool’s Clothes Store now! VII. Role-play 1. Imagine you work at Mr. Cools Clothes Store. Read the conversation first and plete the conversation. 2. 指導(dǎo)：首先，快速閱讀對話一遍，明確自己售貨員的身份，可知第一句話應(yīng)為“Can I help you?”。 然后，讀對話，通過對話中談到的衣物的顏色或價格等信息來確定是何衣物；或通過所談到的衣物來填寫其顏色或價格。如在女孩購物的情境中，根據(jù)所談到these red and purple one，再與。短文中的“We have skirt in red and purple”信息相對應(yīng)，可知女孩是想買短裙，價格是$20。男孩談到需要一雙棕色的某物上學(xué)穿，再由下文知其僅是28美元，回顧短文可知所談應(yīng)是鞋子。男孩還談到了要買短褲，對應(yīng)短文內(nèi)容可知短褲的價格是16美元。 3. Ss read the conversation and the Mr. Cools ad and fill in the blanks. Check the answers. 4. Work in a group of three students. Role-play the conversation. 5. Let some pairs e to the front and role-play the conversation. VIII. Language points 1. 基數(shù)詞表達(dá) 1) one到twelve，拼寫和讀音無規(guī)律。 2) thirteen到nineteen，“十幾”，在個位數(shù)后加后綴-teen，注意thirteen, fifteen和eighteen。 3) twenty到ninety，“幾十”，以ty結(jié)尾，注意twenty, thirty, forty, fifty, eighty。 4) 21~29直到91~99，“幾十幾”, 用整十位數(shù)加個位表示, 中間用連字符“-” 把十位和個位連接起來。 5) one hundred “一百”，也可說 a hundred, 可加具體數(shù)字，如nine hundred (900)。 2. 基數(shù)詞用法 基數(shù)詞只能修飾可數(shù)名詞，要注意數(shù)詞和名詞在數(shù)上要保持一致。如： 一名學(xué)生；兩名男孩；二十個蘋果；三十三個雞蛋 one student; two boys; twenty apples; thirty-three eggs 3. e and buy your clothes at our great sale! buy v. 買 buy sb. sth./ buy sth. for sb. 給某人買某物 e.g. 我們給媽媽買件新毛衣吧。 Let’s buy mom a new sweater. = Let’s buy a new sweater for mom. clothes指身上穿的各種服裝，包括上衣，內(nèi)衣，褲子等，是衣服的總稱。不能直接與數(shù)詞連用，但可與some, many, these或those等連用。 e.g. 看！那邊的衣服大減價了。 Look! Some clothes are on sale over there. sale 名詞，on sale “出售；廉價出售”，同義短語at a great sale。 e.g. 今天這家商店的毛衣大減價了。 The sweaters in the store are on sale today. 4. We sell all our clothes at very good prices. all與定冠詞、指示代詞、形容詞性物、主代詞等限定詞連用時，all應(yīng)放于這些詞之前。如： 所有這些學(xué)生；她所有的衣服；所有那些房