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1、Unit 7 How much are these socks? Section B1.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 _shortsmall一、按要求写出正确的单词或词组。blacksocksshoes thosedollarsthese Can I help you?Re
2、visionHow/What about this one? Ill take it.three dollars for two pairsHere you are. 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twenty二十 store 商店 Mr.先生 boy男孩 clothes 衣服，服装New words1aListen and repeat. 10 11 12 13 14 15 16 17 18 19 2021 2
3、2 23 24 25 26 27 28 29 30 31NumbersPresentationteneleventwelvethirteenfourteenfour + teen16 sixteen17 seventeen19 nineteenfifteeneighteentwentytwen + tythirtythir+ ty40 forty50 fifty60 sixtytwenty-onethirty-twosixty-seven基数词的基本表达法例词1-12的单词拼写需特殊记记one two three four five six seven eight nine ten eleve
4、n twelve13-19在3-9后加后缀-teen构 成，单词有两个重音，对于 13,15,18要特殊记忆。thirteen fourteen fifteen sixteen seventeen eighteen nineteen30-90各整十位数都以-ty结尾 。twenty thirty20-100之间其他各数要在十 位和个位之间加连字符构成 。twenty-one twenty-two twenty-three twenty-four twenty-five twenty-six twenty-seven twenty-eigh基数词，不难记，找出规律很容易：零至十二形各异，一个一个
5、单独记。如果表示是“十几”，后面要加-teen。thirteen，fifteen形异需留意，eighteen只有一个t 。 表示“几十”要加-ty，twenty，thirty是特例。表示数字“几十几”，连字符号别忘记。 口诀助记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。one student 一名学生 two boys 两名男孩 twenty apples 二十个苹果 thirty-three eggs 三十三个鸡蛋Write the numbers in 1a next to the correct word. Which rows of numbers
6、 are in the wrong places? 1bten _ eleven _ twelve _ thirteen _ fourteen _ twenty-five _ twenty-six _ twenty-seven _ twenty-eight _ twenty-nine _ twenty _ twenty-one _ twenty-two 22 twenty-three _ twenty-four _ fifteen _ sixteen _ seventeen _ eighteen _ nineteen _ thirty _ thirty-one _ 1011 12 13 142
7、5 26 2728 2920 2123 2415 1617 181930 31做数学题，学英语。1. twenty-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 =_five thirty-five
8、twenty-sixtwo six fourteen ten twenty-eight练一练Listen and circle the numbers you hear in 1a. 1c10111213141516171819202122232425262728293031Listen again. Circle the things in the picture that Kate and her mom talk about. Check () the thing Kate buys. 1d1ePairworkHow much is the blue sweater?Its 15 dol
9、lars.Ask and answer questions about the things in the picture above. How much is/are ?Its/ Theyre一、填表格，记数字。 101115tenthirteentwelve201830sixteennineteen262839twenty-onethirty-fiveeleven 13fifteen12twenty16eighteen19thirtytwenty- six21twenty- eight35thirty- nineRevision1. a skirt _ 3. socks _ 5. shor
10、ts _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. $22 b. $15 d. $20 f. $25 Read the ad and fill the price tags. Mr. Cools Clothes StoreCome and buy your clothes at our great sale! We sell all our
11、 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 trousers for only $22. And shorts are only $16! For girls, we have skirts in purple for only $20. How much are our jackets? Onl
12、y $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$301. buy 动词，意为“买”常用短语为： buy sb. sth./buy sth. for sb. 给某人买某物Lets buy mom a new hat. （=Lets buy a new hat for mom.） 我们给妈妈买顶新帽子吧。Language points2. clothes 指身
13、上穿的各种服装，包括上衣，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。Look! Some clothes are on sale over there. 看！那边的衣服大减价了。3. sale 名词动词 sell常用短语：on sale出售；廉价出售 =at a great sale The sweaters in the store are on sale today. 今天这家商店的毛衣大减价了。4. 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。all the students 所有这些
14、学生all her clothes 她所有的衣服all those rooms 所有那些房间 5. at very good prices 以合理的价格(出售)price用作名词，意为 “价格”Whats the price of the book? 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15元。6. For girls, we have skirts in red and purple for only20. 对于女孩，我们有红色和紫色的裙子 ，仅售20元。 1) for girls 中的 for 是“对于而言”；for only20中的for是“交换”的意思。 2) in 后接颜色的词，表示“穿颜色的” The girl in red is my sister. 那个穿红衣服的女孩是我妹妹。 Can I help you ?
