2019七年级英语上册 Unit 7 How much are these socks单元语法聚焦七 （新版）人教新目标版.doc

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1、1UnitUnit 7 7 HowHow muchmuch areare thesethese sockssocks基数词和 how much 的用法1HowHow muchmuch is the hat？这顶帽子多少钱？Its fivefive dollars.5 美元。2HowHow muchmuch are these socks？这些短袜多少钱？Theyre twotwo dollars.2 美元。3TwoTwo dollars for oneone pair and threethree dollars for twotwo pairs.两美元一双，三美元两双。4Ill take t

2、wotwo pairs.我买两双。1 1基数词数词分为_和_。表示数量多少的词叫基数词，如 one, two, three, four 等。表示顺序的词叫序数词，如 first, second, third 等。100 以内基数词的表达法：(1)onetwelve：拼写和读音各不同，无规律可循，应逐一记忆。(2)thirteennineteen：表示“十几” ，构成特点是词尾都是“_” ，单词有两个重音。 thirteen，fifteen 和 eighteen 需特殊记忆。(3)twentyninety：表示“几十” ，构成特点是词尾都是“_” 。(4)“几十几”的表达方法：整十位数连字符个位

3、数。如：21：twentyone 28：twentyeight35：thirtyfive 44：fortyfour256：fiftysix 67：sixtyseven72：seventytwo 83：eightythree99：ninetynine(5)“一百”可以用 a hundred 或 one hundred 来表示。需要注意的是，hundred 之前有具体数字修饰时，hundred 用单数形式。但当 hundred 之后有 of 时，hundred 一定要用复数形式，且前面不再有数词，即 hundreds of。(6)基数词的用法：表示人或物的数量，放在名词之前。如：I have fi

4、ve basketballs. 我有五个篮球。表示编号时，用“名词基数词” 。如：Class Nine 九班， Room 301 301 房间表示年龄，基数词放在 year(s) old (可省略)的前面。如：My brother is twenty (years old). 我哥哥 20 岁了。表示时间。如：Its ten oclock. 十点钟了。用于数学计算。Two and three is five.二加三等于五。Whats fortysix and twentytwo?46 加 22 等于多少？Its sixtyeight.等于 68。注意：基数词作主语时，谓语动词用第三人称单数形式

5、。如：Two and six is eight. 2 加 6 等于 8。2 2howhow muchmuch 的用法提问价格可用句型：How muchis/aren.？(be 与 n.的单复数一致)/Whats the price ofn.？其回答常用：Its/They are基数词价格单位如：How much are these trousers?这些裤子多少钱？3They are 12 dollars. 12 美元。How much is this Tshirt?这件 T 恤衫多少钱？Its 20 yuan. 20 元。注意：使用“Whats the price ofn.？”这一句型时，无

6、论被询问的商品表示单数还是复数，be 动词都用 is，不能用 are。其答语也只能是“Its”.写出下列数字的英文形式10 _ 2.3 _312 _ 4.13 _514 _ 6.15 _ 719 _ 8.20 _930 _ 10.40 _ 1180 _ 12.90 _1344 _ 14.99 _ 1537 _ 16.216 _.汉译英1两支铅笔_2三十名学生_3三条裤子_4十九个西红柿_5二十美元_6四十元_.用适当的基数词完成下面的等式(数字用英语写出)41foureight_2seveneight_3thirteenseven_4fourteensixteen_5seventyfourte

7、en_6eightysixteen_7sixtythirteen_8eightyforty_9fortyeighttwelve_10ninetyfive_.单项填空( )1.Eleven and twelve is _Aeleven BthirtyoneCtwentythree Dtwentyone( )2.How much_ the sweater?_ fifty yuan.Ais; Its Bare; TheyreCis; Theyre Dare; Its( )3.There are _ students here.Afourtyfour BfourfourtyCfortyfour Dfo

8、urforty( )4.These shirts_ only 5 dollars. Do you want_？Aare; it Bis; oneCare; one Dis; it( )5._ is the TV?5Its 2，000 yuan.AHow many BHow muchCHow about DHow big( )6.These trousers _ very beautiful. How much _ they?Aare; are Bare; is Cis; are Dis; is( )7._ water do you need?Just one glass. AHow many

9、BHow far CHow much DHow long( )8.How much _ these hamburgers?_ ten dollars. Aare; Its Bare; Theyre Cis; Its Dis; Theyre( )9.How much _ the skirt and the sweater?Ais Bare Chas Dhave( )10.Mike has _ volleyballs. Atwenty three Bfiftythird Cforteen Dforty.根据句意及首字母提示补全单词1How much are the pen and the dict

10、ionary?T_ yuan. The pen is 8 yuan and the dictionary is 22 yuan. 2Im fourteen years old. My brother is one year older (比大) than me. So my brother is f_ years old. 3They have nine baseballs, five basketballs and four volleyballs. They have e_ balls in all.64There are sixtyfive teachers in our school,

11、 twenty men teachers and f_ women teachers. 5T_ is after eleven and before thirteen.按要求完成下列各题，每空一词1How much are the shoes? (写出答语)_ _ 20 dollars. 2How much is the green sweater? (改为同义句)_ _ _ _ the green sweater?3The shirt is 30_dollars(对画线部分提问)_ _ is the shirt?4Whats seven and five? (写出答语)_ _. 5The j

12、acket and the shirt are 80_yuan. (对画线部分提问)_ _ _ the jacket and the shirt?7详解详析详解详析【语法探究】1基数词； 序数词 (2)teen (3)ty【实战演练】.1.zero 2.three 3.twelve 4.thirteen5fourteen 6.fifteen 7.nineteen8twenty 9.thirty 10.forty11eighty 12.ninety 13.fortyfour 14.ninetynine 15.thirtyseven16two hundred and sixteen.1.two p

13、encils 2.thirty students3three pairs of trousers4nineteen tomatoes 5.twenty dollars6forty yuan.1.twelve 2.fifteen 3.twenty4thirty 5.fiftysix 6.sixtyfour7fortyseven 8.forty 9.thirtysix10ninetyfive.1.C 2.A 3.C4C 主语 shirts 为复数，故 be 动词用 are；泛指其中的一件用 one 指代。5B6A trousers 是复数，谓语动词应用 are；第二空的主语是 they，所以谓语动

14、词用are。7C how many 意为“多少” ，用于提问可数名词的数量；how far 意为“多远” ，用于对距离提问；how much 意为“多少” ，用于提问不可数名词的数量；how long 意为“多长；多久” ，用于对物体的长度或一段时间提问。water 是不可数名词，应用 how much 来8提问。故选 C。8B 9B 主语是 the skirt and the sweater，故谓语动词用 are。10D.1.Thirty 2.fifteen 3.eighteen4fortyfive 5.Twelve.1.They are2Whats the price of3How much 4.Its twelve5How much are