2016广东省中考英语复习(语法考点)课件：数词及其考点

1、数 词,中考语法,数词概述,表示数目多少或顺序多少的词叫数词，数词分为基数词和序数词。表示数目多少的数词叫基数词；如：twenty, one hundred等; 表示顺序的数词叫序数词。如：second, thirty-first等。,考点分布,(1)基数词的基本用法 (2)序数词的基本用法,考点梳理,考点一-基数词的构成和读法,考点梳理,观察上面表格我们不难看出： 1. 112的基数词是独立的单词。如： one，two，three，four，five，six，seven，eight， nine，ten，eleven，twelve 2. 1319的基数词以-teen结尾。如： fourteen

2、，seventeen 但13，15，18较特殊， 13thirteen; 15fifteen; 18eighteen 3. 2090的整十位均以-ty结尾。如： sixty，ninety， 但20，30，40，50，80较特殊，20twenty, 30thirty, 40forty, 50fifty, 80eighty 4. 十位数与个位数之间要加连字符号“-”，如： 28twenty-eight 96ninety-six 5. 百位和十位(若无十位则和个位)之间加and，如：148one hundred and forty-eight 406four hundred and six,考点梳理

3、,6. hundred（百），thousand（千），million（百万），billion（十亿）等前面即使有具体的数词，也不能在它们的后面加s。 如： 六百six hundred 八百万 eight million 7. 1000以上的数字，从后往前数每三位加一个逗号“,” 第一个逗号前为千（thousand）， 第二个逗号前为百万（million）， 第三个逗号前为billion（十亿）。 英语中没有“万”这个词，我们可以用“几十个千（thousand）”表示几万， “几百个千（thousand）”表示“几十万” 如： 2,510 two thousand five hundred an

4、d ten 84,296 eight-four thousand two hundred and ninety-six 274,350 two hundred and seventy-four thousand three hundred and fifty,考点梳理,【考点精练】,( ) 1. The library in the school isnt large. Therere only _ books in it. A. six thousand, five hundred and forty-one B. six thousands and five hundreds and fo

5、rty-one C. six thousands, five hundred forty and one D. six thousand, five hundreds and fourth-one ( ) 2. 999 should be read _. A. nine hundred and ninety ninth B. nine hundred and ninety-nine C. nine hundred ninety-nine D. nine hundreds and ninety-nine,A,B,考点梳理,考点二 序数词的构成,序数词一般是以与之相应的基数词尾加-th构成，例如

6、fourth, tenth,但以下的这些基数词变为序数词时，有特别之处。 1. onefirst , twosecond , threethird , fivefifth , nineninth , twelvetwelfth 2. 以-ty结尾的单词，要先变y为i, 再加-eth. 如： thirty thirtieth , fiftyfiftieth 3. 以one, two, three 等结尾的多位数词，要将个位数变成序数词。 如： twenty-onetwenty-first one hundred and oneone hundred and first,考点梳理,具体变化如下表所

7、示：,考点梳理,考点三 数词的应用,1. 时刻的表示：小时、点钟、分钟、秒钟要用基数词。,考点梳理,2. 年月日的表示 （1）“年份”用基数词。如： 1999年nineteen ninety-nine；1900年nineteen hundred； 2000年(the year)two thousand； 1905年nineteen o five； （2）“年”用基数词，“日”用序数词。如： 1998年6月8日 写作：June 8，1998； 读作：June the eighth, nineteen ninety-eight或the eighth of June, nineteen ninety

8、-eight （3）12个月份的写法,考点梳理,【考点精练】,( ) 3. Five to Five is _. A. 5:05 B.4:05 C. 4:55 D. 5:55 ( ) 4. Whats the English for 8:30? A. eight and thirty B. eight to thirty C. half past eight D. half eight ( ) 5. The book came out _. A. on May, 2009 B. in May 2009 C. at 2009, May D. for May, 2009 ( ) 6. Jack w

9、as born _. A. in 1975, May 1B. on May 1, 1975 C. at May 1, 1975D. on 1975, May 1,C,B,C,B,考点梳理,3. 世纪、年代表示法 (在)90年代 (in) the nineties (在)19世纪 (in) the nineteenth century (在)18世纪30年代 (in) the1730s或1730s 4. 表示“在某人几十几岁”时，用基数词的复数形式。如: in his thirties在他三十几岁时 5编号的表示 (1)Lesson One the first lesson 第一课 Line T

10、hree = the third line 第3列 (2)Bus No.3 the No.3 bus 3路公共汽车 (3)表示住所时不用“No”。如： 302房间Room 302(读作:room three o two); (4)如果编号的数词比较长，一般用基数词。如： Page 457 第457页 (5)电话号码，用基数词。如： 3855637 three eight five five (double five) six three seven,考点梳理,【考点精练】,( ) 7. My family moved to Dongguan _. A. in 1990s B. in the 1

11、990 C. in the 1990s D. on the 1990s ( ) 8. My uncle began to work in this school_. A. on his forty B. at age of fortieth C. when he forty D. in his forties ( ) 9. What should we do now, Mr Clark? Please turn to Page _ and look at the _ picture. A. Twelve; fifth B. Twelfth; fifth C. Twelve; five D. T

12、welfth; five ( ) 10. Unit _ is easy but _ unit is difficult. A. Sixth; seven B. Six; seven C. Sixth; the seventh D. Six; the seventh,C,D,A,D,考点梳理,6分数的表达 分子用基数词，分母用序数词。如： 1/3 one third; 1/9 one ninth 分子大于“1”，分母则加“s”。 如： 2/3 two thirds； 7/8 seven eighths 另外还有一些特殊的词，如： 1/2 a(one)half; 1/4 one fourth或a(

13、one)quarter; 3/4 three fourths或three quarters,【考点精练】,( ) 11. About_of the students like keeping diaries in English in our class. A. two fifth B. two fifths C. second five D. two five ( ) 12. Therere many students in our school. _ of them _ girls. A. One third; is B. One third; are C. Two thirds; is

14、D. One thirds；are,B,B,考点梳理,7. 表示有小数的词用基数词，小数点读point, 0读o 或zero, 小数点后的数字按个位基数词依次读出即可。 如： 7.05 seven point o five 3.14159 three point one four one five nine 8表示百分数, 百分数由基数词+ percent 来表示。如： 50：fifty percent 0.8： zero point eight percent,考点梳理,考点四 其它用法,1基数词单数名词形容词构成合成形容词。如： a five-year-old boy 一个五岁的男孩 an

15、 800-meter-long bridge 一座800米长的桥 2基数词meter(s)kilometer(s)kilo(s) + long/high/tall /deep /away等。如： My home is five kilometers away from our school. 我家离学校五公里远。 The Yangzi River is 6,300 kilometers long 长江长6300公里,考点梳理,3. hundred, thousand, million等表示数量的词前面如有基数词，用来修饰后面的名词表示精确数量时，本身不用复数形式，名词才用复数形式。如：两千人

16、two thousand people; 三百米 three hundred meters 但在表示含糊数量时要用复数形式，并要与of 连用。如： hundreds of 数百的 thousands of 数千的或成千上万的 millions of 数百万的 如：数千人thousands of people 试比较：two hundred books / hundreds of books three thousand trees / thousands of trees,考点梳理,【考点精练】,( ) 13. Kate is _ girl. Shes very happy at school

17、. A. a eighteen-year-old B. an eighteen-year-old C. an eighteen-years-old D. a eighteen-years-old ( ) 14. How tall is the wall? Its _. A. ten meters tall B. ten-meter tall C. ten meter tall D. ten-meters tall,B,A,考点梳理,【考点精练】,( ) 15. When he arrived at the airport, Lee Minho found that fans were wait

18、ing for him there. A. hundred B. hundreds C. hundred of D. hundreds of ( ) 16. Food Safety has become one of the hottest topics recently. Yeah, it receives _ Internet hits(点击) a day. A. thousands B. thousand of C. thousands of D. ten thousands,C,D,考点梳理,4. 序数词在使用时，一般在其前面加定冠the或物主代词等限定词。如： the first t

19、ime 第一次 his second son他的第二个儿子 5. 如果序数词前加定冠词a/an，则表示“又一，再一”。如： Ive tried twice. And I want a third try. 我已经试过两次了，还想再试一次。,考点梳理,【考点精练】,( ) 17. Susan lives on the _ floor and we are neighbors. A. four B. fourth C. fourteenD. forty ( ) 18. To many foreigners, Guangzhou has become their _ home town. A. tw

20、o B. second C. the second D. twice ( ) 19. Would you like to try _ time? A. two B. second C. a two D. a second,B,D,B,考点梳理,6. 分数作主语时，谓语动词要根据分数后的名词来确定，如果不可数名词就要用单数，是可数名词则用复数。 如：One third of the students in our class have been to the Great Wall. Four fifths of the water is drunk by the children. 7. 表示时间、距离、价格、重量、数目、数学运算等的词或短语做主语时，表示整体概念，谓语动词用单数。 如：Ten years has passed. 10 kilometers is a long way to him. He is too tired.,考点梳理,【考点精练】,( ) 20. _ of the coats _ made of cotton. They feel comfortable. A. Two-thirds;