七年級(jí)英語(yǔ)上冊(cè)第七單元Section B 1PowerPoint 演示文稿

1、12Talk about the price of the clothes. How much is that hat?Its five dollars.How much is/are?Its /Theyre$7$5$6$3$9$83Numbersteneleventwelvethirteenfourteenfour+ teensixteenseventeennineteenfifteeneighteen4twentytwen + tythirtythir+ tytwenty-onetwenty-twothirty-one51a Listen and repeat. 10 11 12 13 1

2、4 15 16 17 18 19 2021 22 23 24 25 26 27 28 29 30 316Write the numbers in 1a next to the correct words. Which rows of numbers are in the wrong places? zxxkw1b7ten _ eleven _ twelve _ thirteen _ fourteen _ twenty-five _ twenty-six _ twenty-seven _ twenty-eight _ twenty-nine _ twenty _ twenty-one _ twe

3、nty-two _twenty-three _ twenty-four _ fifteen _ sixteen _ seventeen _ eighteen _ nineteen _ thirty _ thirty-one _ 101112131425262728292021232415161718193031228Listen and circle the numbers you hear in 1a. 1c101112131415161718192021222324252627282930319Listen again. Circle the things in the picture t

4、hat Kate and her mom talk about. Check () the thing Kate buys. 1d101eHow much is the blue sweater?Its 15 dollars.Ask and answer questions about the things in the picture above. 111. a skirt _ 3. socks _ 5. shorts _2. a sweater _ 4. trousers _ 6. shoes _How much do you think these things cost? Match

5、each clothing item with a price. 2abafedca. $3 c. $30 e. $22b. $15 d. $20 f. $25 12Read 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 green sweaters for only $15! Yellow

6、sweaters are only $12! Do you need trousers? For boys, we have black 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 Clothe

7、s Store now! 2b13閱讀指導(dǎo)閱讀指導(dǎo): :首先首先，讀短文過(guò)程中，劃出廣告中所售的讀短文過(guò)程中，劃出廣告中所售的衣物，并圈出該物品的價(jià)格。衣物，并圈出該物品的價(jià)格。然后然后，看圖片中的物品并注意其顏色，與看圖片中的物品并注意其顏色，與短文中所描述的物品相對(duì)應(yīng)。短文中所描述的物品相對(duì)應(yīng)。最后最后，將衣物名稱與價(jià)格一一對(duì)應(yīng)，填入將衣物名稱與價(jià)格一一對(duì)應(yīng)，填入價(jià)簽中。價(jià)簽中。14 $ $1515 $ $1212 $ $2020 $28$28 $ $2222 $ $1616 $2$2 $30$3015You: Hello, _ I help you?Girl: Yes, please.

8、I need a _.You: How about these purple _.Girl: Oh, I like this one. How _ is it?You: Its only _ dollars.Girl: Oh, good. Ill _ it.You: And what do you need? Boy: Well, I need a pair of black _ for school. 2cImagine you work at Mr. Cools Clothes Store. Complete the conversation. 16You: What about this

9、 pair? They are _ twenty-eight _.Boy: Great. And do you have shorts, too?You: Yes, our shorts are only _ dollars.Boy: OK. Ill take the _ and the _. 閱讀指導(dǎo)：閱讀指導(dǎo)：首先首先，快速閱讀對(duì)話一遍，明確自己售貨員的，快速閱讀對(duì)話一遍，明確自己售貨員的身份，可知第一句話應(yīng)為身份，可知第一句話應(yīng)為“Can I help you?”。然后然后，讀對(duì)話，通過(guò)對(duì)話中談到的衣物的顏色讀對(duì)話，通過(guò)對(duì)話中談到的衣物的顏色或價(jià)格等信息來(lái)確定是何衣物；或通過(guò)所談到或價(jià)格

10、等信息來(lái)確定是何衣物；或通過(guò)所談到的衣物來(lái)填寫其顏色或價(jià)格。的衣物來(lái)填寫其顏色或價(jià)格。17如在女孩購(gòu)物的情境中，根據(jù)所談到如在女孩購(gòu)物的情境中，根據(jù)所談到these red and purple one，再與，再與短文中的短文中的“We have skirt in red and purple”信息相對(duì)應(yīng)，可知女信息相對(duì)應(yīng)，可知女孩是想買短裙，價(jià)格是孩是想買短裙，價(jià)格是$20。 男孩談到需要一雙棕色的某物上學(xué)穿，男孩談到需要一雙棕色的某物上學(xué)穿，再由下文知其僅是再由下文知其僅是28美元，回顧短文可知所美元，回顧短文可知所談應(yīng)是鞋子。男孩還談到了要買短褲，對(duì)應(yīng)談應(yīng)是鞋子。男孩還談到了要買短褲，對(duì)

11、應(yīng)短文內(nèi)容可知短褲的價(jià)格是短文內(nèi)容可知短褲的價(jià)格是16美元。美元。Answers: can, skirt, skirts, much, 20, take, shoes, only, dollars, 16, shoes, shorts 18Practice the conversation in a group. You: Hello, Can I help you? Girl: Yes, please. I need a skirt.You: How about these purple skirts?Girl: Oh, I like this one. How much is it?You

12、: Its only 20 dollars. Girl: Oh, good. Ill take it.You: And what do you need? 19Boy: 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 shorts, too?You: Yes, our shorts are only 16 dollars.Boy: OK. Ill take the shoes and the

13、 shorts.201. 基數(shù)詞的表達(dá)基數(shù)詞的表達(dá)1) one到到twelve, 拼寫和讀音無(wú)規(guī)律可言拼寫和讀音無(wú)規(guī)律可言, 只只 能逐一記憶。能逐一記憶。2) thirteen到到nineteen，表示，表示“十幾十幾”，在，在個(gè)個(gè) 位數(shù)后加后綴位數(shù)后加后綴-teen，其中要注意，其中要注意 thirteen, fifteen和和eighteen的拼寫。的拼寫。3) twenty到到ninety，表示，表示“幾十幾十”，以，以ty結(jié)結(jié) 尾，但需注意尾，但需注意twenty, thirty, forty, fifty, eighty的拼寫。的拼寫。 214) 2129直到直到9199，表示，表

14、示“幾十幾幾十幾”, 用用整整 十位數(shù)加個(gè)位表示十位數(shù)加個(gè)位表示, 中間用連字符中間用連字符“-” 把把 十位和個(gè)位連接起來(lái)。十位和個(gè)位連接起來(lái)。 5) one hundred 意為意為 “一百一百”，也可說(shuō)，也可說(shuō)a hundred，hundred可加具體數(shù)字，如可加具體數(shù)字，如 nine hundred (900)。222. 基數(shù)詞的用法：基數(shù)詞的用法： 基數(shù)詞只能修飾可數(shù)名詞，要注意數(shù)詞基數(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：和名詞在數(shù)上要保持一致。如：one student 一名學(xué)生一名學(xué)生 two boys 兩名男孩兩名男孩twenty apples 二十個(gè)蘋果

15、二十個(gè)蘋果 thirty-three eggs 三十三個(gè)雞蛋三十三個(gè)雞蛋233. Come and buy your clothes at our great sale! 我們?cè)诖笏u，快來(lái)買衣服吧！我們?cè)诖笏u，快來(lái)買衣服吧！ buy用作動(dòng)詞，意為用作動(dòng)詞，意為“買買”，常用短語(yǔ)，常用短語(yǔ) 為：為：buy sb. sth./buy sth. for sb.意為意為“給給 某人買某物某人買某物”。e.g. Lets buy mom a new sweater. （= Lets buy a new sweater for mom.） 我們給媽媽買件新毛衣吧。我們給媽媽買件新毛衣吧。24cloth

16、es指身上穿的指身上穿的各種服裝各種服裝，包括上衣，包括上衣，內(nèi)衣，褲子等，內(nèi)衣，褲子等，是是衣服的總稱衣服的總稱。它不能直它不能直接與數(shù)詞連用接與數(shù)詞連用，但可以與，但可以與some, many, these或或those等連用。等連用。e.g. Look! Some clothes are on sale over there. 看！那邊的衣服大減價(jià)了?？矗∧沁叺囊路鬁p價(jià)了。25sale是動(dòng)詞是動(dòng)詞sell的名詞形式的名詞形式，常用短語(yǔ)：，常用短語(yǔ)：on sale，意為，意為“出售；廉價(jià)出售出售；廉價(jià)出售”，其，其同同義短語(yǔ)為義短語(yǔ)為at a great sale。e.g. The sw

17、eaters in the store are on sale today. 今天這家商店的毛衣大減價(jià)了。今天這家商店的毛衣大減價(jià)了。 264. all與定冠詞、指示代詞、形容詞性物與定冠詞、指示代詞、形容詞性物 主代詞等限定詞連用時(shí)，主代詞等限定詞連用時(shí)，all應(yīng)放于這應(yīng)放于這 些詞之前。如：些詞之前。如： all the students 所有這些學(xué)生所有這些學(xué)生 all her clothes 她所有的衣服她所有的衣服 all those rooms 所有那些房間所有那些房間 275. We sell all our clothes at very good prices. 我們賣的所有

18、服裝價(jià)格都很實(shí)惠。我們賣的所有服裝價(jià)格都很實(shí)惠。 at very good prices意為意為“以合理的價(jià)格以合理的價(jià)格 (出售出售)”。price用作名詞，意為用作名詞，意為 “價(jià)格價(jià)格”。e.g. Whats the price of the book? 這本書多少錢這本書多少錢? They have sweaters in all colors, at the price of15 each. 他們有各種顏色的毛衣，每件售價(jià)是他們有各種顏色的毛衣，每件售價(jià)是 15美元。美元。286. For girls, we have skirts in purple for only20. 對(duì)于女

19、孩，我們有紫色的裙子，僅售對(duì)于女孩，我們有紫色的裙子，僅售20元。元。1) for girls中的中的for是是“對(duì)于對(duì)于而言而言”；for only20中的中的for是是“交換交換”的意思。的意思。2) 該句中的該句中的in后接顏色的詞，表示后接顏色的詞，表示“穿穿 顏色的顏色的”。e.g. The girl in red is my sister. 那個(gè)穿紅衣服的女孩是我妹妹。那個(gè)穿紅衣服的女孩是我妹妹。 29一、一、填表格，記數(shù)字。填表格，記數(shù)字。 101115tenthirteentwelve201830sixteennineteen262839twenty-onethirty-fiveeleven 13fifteen12twenty16eighteen19thirtytwenty-six21twenty-eight35thirty-nineExercises30 二、做數(shù)學(xué)題，學(xué)英語(yǔ)。二、做數(shù)學(xué)題，學(xué)英語(yǔ)。 1. twenty-six - twelve - nine = _ 2. sixteen eight eleven = _ 3. eighteen - seven fi