中考二轮复习数词.pptx

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1、考点1：常考基数词，序数词一览表不忘初心，方得始终！第1页/共18页(1).读数的单位：百hundred,千thousand(第1个逗号)，万ten thousand,百万million(第2个逗号),十亿billion(第3个逗号)(2).百位和十位数之间要用“and”,十位数和个位数之间要用连字符“-”。如：3,115,687,891读作：three billion one hundred and fifteen million six hundred and eighty-seven thousand eight hundred and ninety-one.考点2：基数词的读法不忘初心

2、，方得始终！第2页/共18页考点3.编号的表示法：名词(首字母大写)+基数词(首字母大写)=the+序数词(首字母小写)+名词(首字母小写)=名词(首字母大写)+数字。如：Lesson Two=the second lesson=Lesson 2(第二课)；Page Three=the third page=Page 3(第三页)；Class One=the first class=Class 1(一班);Bus No.2=the number two bus(第二路公共汽车)Room 206(206号房)；Row 7=the seventh row=Row Seven(第七排)不忘初心，方得

3、始终！第3页/共18页考点4.时间的读法(1).顺读法(先读小时后读分钟)如:6:25 读成six twenty-five.9:48 读成 nine forty-eight.(2).逆读法(先读分钟后读小时):分钟小30用past.如:7:23 读成twenty-three past seven分钟大30用to,且分钟要用60减，小时要加1.如:8:50 读成ten(60-50)to nine(8+1)(3).半小时用half;一刻钟用quarter。如 2:30 读成half past two。6:45读成 a quarter to seven。一个半小时(天，星期，月，年)的表达法有两种:

4、one hour(day,week,month,year)and a half;one and a half hours(days,weeks,months,years)不忘初心，方得始终！第4页/共18页考点5.年月日的表达法(1).月份一览表 (2).年，月连用:月前，年后，中间可不用逗号。如：2011年7月写成July 2011.(3).月，日连用，有三种方式。如：9月10日写成September 10 =September the tenth=the tenth of September (4).年，月，日连用时表达方式有三种。如：2009年3月9日写成on March 9,2009(

5、常用)=on March the ninth,2009 =on the ninth of March in 2009.不忘初心，方得始终！第5页/共18页考点6.世纪年代的表达法19世纪 in the nineteenth century 80年代 in the eighties 20世纪70年代in the 1970s(1970s)不忘初心，方得始终！第6页/共18页考点7.分数，百分数，小数的表达法(1).分数：分子用基数词，分母用序数词，分子大于1时，分母加s。如：1/4:one fourth(a quarter)3/4:three fourths(three quarters)7/9:

6、seven ninths或seven-ninths(2).小数，百分数：小数点读成point,百分号%读成percent.如：5.6读成five point six 30%读成 thirty percent(3).与名词连用时常用表达方式为：分数/百分数/小数+of+名词，谓语动词取决于名词。如：5/6的作业 five sixths of the homework 50%的工人 50 percent of the workers 1.5个萍果1.5 of apples不忘初心，方得始终！第7页/共18页考点8.度量表示法1 厘米 one centimeter 2英寸 2 inches 3英尺

7、3 feet 4公斤 4 kilograms(kg)5磅 five pounds 6公里 six kilometers(km)7吨seven tons 8码 eight yards9米深 9 meters deep 10米宽 10 meters wide 11米长11 meters long不忘初心，方得始终！第8页/共18页考点9.dozen,score,hundred,thousand,million,billion的用法：(1).后接of 时，这些词都要加s,且前面不能有 确定数字，但可以有不确定数字(many,several,a few)如：dozens of eggs,hundred

8、s of students,many thousands of books(2).这些词前有确定数字时，不管数字多少，这些词都不能加s 如：1 billion cars,2 dozen apples,5 hundred trees,8 thousand desks不忘初心，方得始终！第9页/共18页倍数表示如下：1倍once,2倍twice,3倍以上由基数词+times 表示。如：3(5)倍three(five)times,考点10.倍数表达法不忘初心，方得始终！第10页/共18页 考点11.其他常用表达方式在某人50(20,30)多岁时：in ones fifties(twenties,th

9、irties)10分钟的路程：10 minutes walk=a ten-minute walk再多两个小时：two more hours=another two hours不忘初心，方得始终！第11页/共18页考点直击()1.There are _ people in Jacks family.They live in the _ building.A.five,fifthB.five,fiveC.fifth,fifthD.fifth,five()2.I think _ is as easy as _.A.Lesson two,Lesson 1 B.Lesson 2,Lesson on C.

10、Lesson 2,Lesson 1 D.lesson 2,lesson 1()3.When is Childrens Day?Its on _.A.June 1st B.July 1st C.June the second D.July the first()4.We can see _ stars at night if it is fine.A.thousand of B.two thousands C.three thousands of D.thousands of不忘初心，方得始终！第12页/共18页考点直击()5.In our school,_ of the students ar

11、e boys.A.two third B.three fifth C.four-fifthD.four sevenths()6.The river is only_,so we can swim across it.A.20 meters long B.20 meters wide C.20-meter long D.20-meter wide()7.It took me _ to finish the summer homework.A.a half and two weeks B.two week and a half C.two and a half weeks D.two and a

12、half week()8.Have you got enough books?No.I need _.A.four more B.more four C.four another D.other four()9.When John was _,he went to London to go on his university.A.on his twenties B.in his twenties C.in the twenties D.in his twenty不忘初心，方得始终！第13页/共18页()10.The small girl was born on _.A.2007 June 6

13、B.June 6 2007 C.June 6,2007 D.June,6,2007()11.One million six hundred and seventy-eight thousand nine hundred and thirty-two is _.A.1678932B.6789123C.1698723D.16078932()12.10:23 is _.A.ten past twenty-threeB.twenty-three to eleven C.twenty-three past tenD.ten twenty three()13.Marx began to learn Rus

14、sian in _.A.a 1870 B.the 1870 C.the 1870s D.his 1870()14.The bank is far from here,youd better ta_.A.bus no.2B.the No.2 bus C.bus of no.2 D.the bus 2()15.By the end of last year we had planted about _ trees.A.five hundreds B.five hundreds of C.five hundred of D.five hundred 不忘初心，方得始终！第14页/共18页()16.T

15、o finish the task,weve tried three times,and after dinner well try _time.A.the fourthB.a fourthC.fourthD.four()17.Can you imagine what life will be like in _ time?A.20 years B.20 years C.20-years D.20-year()18.We have two ears and one mouth so that we can listen_we speak.A.as twice much as B.twice a

16、n much as C.as much as twice D.as much twice as()19.Between the two hills _a deep river.A.are B.haveC.has D.is()20.Do you know that there are many different _ animals in the zoo?Yes,I do.And I also know that some of them are _ scaring.A.kinds of;kind of B.kinds of;kinds of C.kind of;kinds of D.kind

17、of;kind of不忘初心，方得始终！第15页/共18页数词基数序数用法常用：个十位间连字符百十位间and单位hundred、thousand、million、billion年代：in the 1980s/s in his twenties在他二十多岁时日期:12月1日 Dec.1st 1976 nineteen seventy-six数+单位+复数名词规则1)+th 2)vefth3)tytieth4)不规则序数词前加the表“第几”加a/an表“再一、又一”数+more=another+数“又几再几”单位s+of+复数名词 “很多”，前可加many数+单位+of+the/sbs+复数/宾

18、格分数：分子用基数词，分母用序数词，先分子后分母，分子大于一，分母用复数时刻5:15 a quarter past five 8:30 half past eight编号Room 105;Page Five;Lesson 12=the twelfth lesson“半”半小时half an hour1.5小时one and a half hours 或one hour and a half年龄用基数词生日用序数词a number of+复数“许多”作主语被视为复数the number of+复数“的数量”作主语被视为单数小数：5.7 five point seven 百分数：percent不加s数字+单数名词 “的”an 8-year-old boy时间、距离、金钱作主语，无论多少，一律被视为单数数字大于一，其后定加复其后是单数，则定是序数不忘初心，方得始终！第16页/共18页Thats all for todays lesson!第17页/共18页感谢您的观看。第18页/共18页