中考专项复习之数词 ppt课件.ppt

《中考专项复习之数词 ppt课件.ppt》由会员分享，可在线阅读，更多相关《中考专项复习之数词 ppt课件.ppt（56页珍藏版）》请在三一办公上搜索。

1、Numbers,2018中考英语 专项复习 数词,数词的考点,一.基数词、序数词,二.数词的表示法,基数词,1. 基数词表示数目的词称为基数词。其形式如下：,A110one，two，three，four，five，sixseven，eight，nine，tenB 1119eleven，twelve， thirteen， fourteen， fifteen， sixteen， seventeen，eighteen，nineteen,C 2199 表示几十几时，在十位和个位之间添加连字符“-”21 32435465768798,twenty-one,forty-three,thirty-two,f

2、ifty-four,sixty-five,seventy-six,eighty-seven,ninety-eight,D百位数三位数以上的基数词，在百位和十位一般要用 “and”连接。 101 320 648 E千位数以上从数字的右端向左端数起，每三位数加一个逗号“，”。从右开始，第一个“，”为thousand，第二个“，”为million，第三个“，”为billion。如：1,234,567,890,one / a hundred and one,three hundred and twenty,six hundred and forty-eight,one billion two hund

3、red and thirty-four million five hundred and sixty-seven thousand eight hundred and ninety,“ 1509 ”,If it is an amount(数量)1,509 reads like this one thousand five hundred and nine(2) If it is a date(日期)15 09 reads like this fifteen zero nine(3) If it is a telephone number(电话号码) reads like this one fi

4、ve o nine “0” 在英语里读成 “o” or “zero”,1. hundred thousand (表示具体数字) million billion2. hundreds thousands (表示概数) millions billions,三.基数词的用法,数词two(several)+,+ of,some / many hundreds of,1)基数词表示确切的数时，不用复数形式. 2)表示不确切数，如成百、成千上万，则用复数。There are hundreds of people in the hall320 three hundred and twenty,3人的不确切岁

5、数或年代，用几十的复数形式。He became a professor in his thirtiesIt was in the 1960s4基数词的句法功能可作主语、宾语、定语、表语、同位语。The two happily opened the box（作主语）They three tried to finish the task （作同位语）,1. If a = 3, b=4, whats the answer to the problem, a+2ab+1=? the answer is_. A. twenty eight B. twenty-eighth C. twenty-eight

6、2. In our school several _ students are able to search the Internet . A. hunderd of B. hunderds of C. hundred,3. Many _ sheep were killed in the accident. A. thousands of B. thousand C. thousands4. There are over nine _ workers in the factory, but _ of young people hope to work in it. A. hundred; hu

7、ndreds B. hundreds; hundreds C. hundreds; hundred, 月日年 在2008年10月1日,四.数词的表示法 年月日,on Octorber the first, two thousand and eight,on August the ninth,in May, two thousand and ten,有日用 on 无日用in,on Oct. 1st , 2008, 月日 在8月9日 月年 在2010年5月,1. The accident happened on_. A. April 5, 2001 B. 2001, April 5 C. Apri

8、l 2001, 52. I was born _. A. in March 8, 1993 B. on July 9, 1994 C. on May, 1995,20世纪90年代,in the 1990s,在他50多岁时,in his fifties,四.数词的表示法 年代世纪,in the,in ones + 整十基数词复数在某人几十岁时,nineteen,nineties,1. There will be more chances in _ century than in _ century. A. twenty-one, twenty B. twenty-first, twentieth

9、 C. the twenty-first, the twentieth2. The city changed a lot _. A. in 1980s B. in the 1980s C. in the 1980,3. He graduated in _ of _ century. A. the sixtieth; twenty B. sixty; the twentieth C. the sixties; the twentieth4. He got the prize _. A. in his fifties B. in fifties C. in his fifty,时间和钟点,时间的表

10、达方式 1直接表达法。即先读小时，再读分钟 如：4：10 读成 8：36 读成2逆读法。即先读分钟，再读小时分钟小于30的用“past”，中文译为“过”。即分钟+past+时钟，中文译为“几点过几分”如：5:10（5点过10分）读成 2:02 （2点过2分） 读成,four ten,eight thirty-six,ten past five,two past two,分钟超过30（不包括30分钟）用 “to”（中文译为“差”）即“60-分钟数 +to+钟点数+1” （中文译为：几点差几分）如：7：45 （八点差15分） 读成 1：58（两点差2分） 读成3半小时用“half”, 一刻钟用“q

11、uarter”。注意：一刻钟 a quarter 三刻钟 three quarters 如： 4: 30 读成 9: 45 读成,a quarter to ten,two to two,half past four,fifteen to eight,特别注意：一个半小时的表达方式：one / an hour and a half one and a half hours,Can you read them?,1:30 2:15:3:456:387:259:50,one thirty,half past one,two fifteen,a quarter / fifteen past two,t

12、hree forty-five,a quarter/ fifteen to four,six thirty-eight,twenty- two to seven,twenty five past seven,seven twenty-five,ten to ten,nine fifty,三年半的两种表达方式:three years and a halfthree and a half years,1. Its already 7:40 now. When will the film start? _. We still have five minutes. A. A quarter to se

13、ven B. Seven past forty-five C. A quarter to eight,15,分子 基数词分母 序数词,one fifth,27,分子 1分母 + s,two sevenths,14,分子 a分母 quarter,a quarter,34,three quarters,12,a half,13,three and one third,3,基数词 + and + 分数,四.数词的表示法 分数百分数,分数、百分数、小数的表达方法 （以分数考法较为常见）1. 分数: 分子用基数词，分母用序数词，分子大于一，分母加s1/2 读作 2/3 读作1/13 读作 3/4 读作2

14、小数,百分数的读法:小数点读成point 3.6 读作百分号% 读成 percent 50%读作,one second（a half）,two thirds 或者 two- thirds,one thirteenth,three fourths或者three - quarters,three point six,fifty percent,80 %,基数词 + percent,eighty percent,half / (百)分数 + of + 可数名词复数 谓语动词用复数half / (百)分数 + of + 不可数名词谓语动词用单数,3.78,three point seven eight

15、,1. _ of the students _ boys in Class A. Two three; are B. Two thirds; are C. Two thirds; is2. _ of her money _ spent on clothes. A. Two three; are B. Two thirds; is C. Two third; is3. _ the teachers in our school is about one hundred, and _ of them are women teachers. A. The number of; two third B.

16、 The number of ; two thirds C. A number of; two thirds,一个半小时两个半小时,two and a half hours= two hours and a half,one and a half hours= one hour and a half,四.数词的表示法 半的表示法,1. The boy always stays there for _. A. one and half hour B. one and a half hour C. one and a half hours2. The old man drank_ beer. A.

17、 two bottles and a half B. two and a half bottle C. two bottle and a half,一倍 once，两倍 twice，三倍 three times (三倍或以上 基数词times),四.数词的表示法 倍数,This box is five times as big as that one.=This box is four times bigger than that one., A + be + 倍数 + as +adj.原+ as +B. A是B的 倍 C + be + 倍数 + adj.比+ than +D. C比D 倍,1

18、. This building is _ that building. A. three time as tall as B. twice taller than C. three times as taller as2. 我的箱子比你的重六倍! My box is _ yours.,six times heavier than,seven times as heavy as, The winner is _. He is an _ boy . A. eight-year-old; eight years old B. eight years old; eight-year-old C. ei

19、ght-years old; eight-year-old He came to China _. A. at the age of 20 B. when he is 20 C. at age of 20,四.数词的表示法 年龄, The river is about _. A. 6,000 meters long B. 6,000-meters-long C. 6,000-meter-long,四.数词的表示法 计量,be + 数词 + 量词 + 形容词,10. He went down to the village which was _miles away from the city.A

20、. three hundreds B. three hundredC. three hundreds of,B. three hundred,6The wall is_.Afour meters long Bfour meter long Cfour-meter long7Whats the date today? Its_AMarch the eight BMarch eighthCeight，March8It happened in the 1040sA in the forties of the eleventh centuryB in the forties of the tenth

21、centuryC in the forty9About_ of the earths surface is covered with water.A. three-fours B. three-fourth C. three-fourths,Afour meters long,BMarch eighth,A in the forties of the eleventh century,C. three-fourths,选择填空。1March is _month of a yearA a three B the third C a third2We will have a meeting at

22、8:05_Afive to eight Beight five Ceight o five3Eight plus eight is_.Asixteen Bsixty-four Cone4He is an _boyAeight years Beight-year-old Ceight-years-old5We will have a_ walkAten minutes Bten minutes Cten-minutes,B the third,Ceight o five,Asixteen,Beight-year-old,Bten minutes,四、加减乘除表示法1. “加”用plus，and或

23、add表示 How much is two plus three? It is fiveTwo and three is equal to five2. “减”用 minusHow much is ten minus six?3. “乘”multiply3X4? How much is three times four?4. “除”用divide的过去分词形式表示164=? How much is sixteen divided by four?,2more还可与a little，a few，a lot，several等词连用（1）There are many more dictionarie

24、s on the desk课桌上有许多词典。 （2）Would you like some more tea？再喝点茶好吗？ 4. 名词省略 如果前后意思清楚，another或more后面的名词可以省去。如： 1I climbed the stairs slowly，carrying a big suitcase，my father following with two more,1Tony is going camping with _boys next SundayAlittle two other Btwo little other Ctwo other little Dlittle o

25、ther two 3Do you know where he found the other two photos？另外两张照片 3. more 1more1）She has got five more electric fans她还有五台电扇。,another, other, more修饰数词的用法1. another A) another+名词单数 B)表“另外的、额外的、附加的时，+few或具体数字的复数 1Have you finished your report yet？ No，I will finish it in 10 minutes Aanother BOther Cmore

26、Dless 2The strike may last another three days罢工可能还要持续三天。2. other +复数名词，置于数词之后B)但与定冠词the连用时，other要放在数词前。,序数词,1. 序数词一般由基数词后加th构成，前面一般加定冠词the。第18第2002. 以y结尾的基数词构成序数词时，先把y改成i，再加eth。第50 第203. 不规则的序数词有以下几个first, second, third, fifth, eighth, ninth,twelfth（一定要记住）,the eighteenth,the two hundredth,the fiftie

27、th,the twentieth,first 1st second 2nd third 3rd fourth 4th fifth 5th sixth 6th seventh 7th eighth 8th ninth 9th,twelfth 12th,twentieth 20th,thirtieth 30th,fortieth 40th,fiftieth 50th,sixtieth 60th,seventieth 70th,eightieth 80th,ninetieth 90th,C序数词的缩写形式:阿拉伯数字后加上th。irstlst second2nd third3rdfourth4th

28、twentieth20thtwenty-third23rdD序数词的句法功能序数词在句中可作主语、宾语、定语和表语。The second is what I really need（作主语）He choose the second（作宾语）We are to carry out the first plan（作定语）She is the second in our class（作表语）,4. 表示第几十几时，十位用基数词，个位用序数词，十位和各位用连字符-连接第三十一第六十五 第七十四 第九十九第八十二,thirty-first,sixty-fifth,seventy-fourth,ninet

29、y-ninth,eighty-second,5. 编号的三种表示法1）名词基数词 Lesson Three2）the序数词名词 the third lesson3）名词数字 Lesson 3如：5班Class Five = the fifth class = Class 5,一般编码用 名词 + 基数词207房 三年级一班第五部分第一课3 号汽车第一中学,Room 207 Class one Grade threepart five = the fifth partlesson one = the first lesson Bus No.3 = the No.3 busNo. 1 Middle

30、 School,四.数词的表示法 编号,1、This is Mr Whites _ visit in Beijing. He has been there twice before.A. two B. second C. three D. third2、There are _ months in a year. October is the _ month.A. twelve, ten B. twelfth , tenthC. twelve, tenth D. twelfth, ten3、There are _ people in Peters family. They live on the

31、 _ floor in tall building.A. six, eighteen B. six, eighteenthC. sixth, eighteenth D. sixth, eighteen,4、 _ is the easiest of all.A. Lesson one B. The Lesson oneC. Lesson First D. The first lesson5、 The foreign guests stayed in _ last night.A. Room 608 B. the Room 608C. the 608 room D. 608 the room,注：

32、通常前面要加定冠词 the；但出现不定冠词a或an时，则表示“再”，“又”。Well go over it a second time,特别说明：1、世纪、年代、年份、月份时，用介词in2、某一天、星期前用介词on3、某一天早晨、下午或晚上时，用介词on。,1、_ a cold morning，the old man died lonely in his house2、The girl was sent to hospital _ the morning of March 20.3、My son was born _ October 2010.4、People are very poor _

33、the fifties.,On,on,in,in,分数，小数， 百分比,热门考点一：hundred、 thousand、 million、 billion的考查方法1和“of”连用，前面不能有具体的数,而且这四个词的本身必须用复数。如 hundreds of 数以百计的 thousands of 数以千计的 millions of 数以百万计的 billions of 数以十亿计的 many hundreds of students. 好几百个学生2当它们的前面有具体的数修饰时,其本身即不能用复数，不能和“of”连用。two thousand students 两千名学生 five hundr

34、ed cars 五百辆车,1、By the end of last year, we had planted about five _ trees.A. hundred B. hundreds C. hundred of D. hundreds of2、_ books must be produced for the children.A. many thousands B. many thousands ofC. many thousand of D. many thousand,热门考点二：其它重要表达方式的考法1. 在某人多少岁 in + ones + 几十的复数形式 eg:My par

35、ents are in their fifties.2a five-year-old boy an eight-year-old girl3100-meter-long bridge (100米长的桥) 10 meters deep (10米深)4ten-minute walk = ten minutes walk5. two more hours= another two hours.,( )1、The has written a _ compositionAthree-hundred-word Bthree- hundred- wordsCthree hundreds wordsDthre

36、e hundreds word ( )2、Every day the old woman sits here for _.A. one and half hour B. one and a half hourC. one hours and a half D. one and a half hours ( )3、He became very rich _.A. in his fortyB. in the fortiesC. in his forties D. in the forty ( )4、Mary is _ girl.A. an 8 year- oldsB. an 8-year-oldC

37、. an 8 -years -old D. a 8-year-old,A,D,C,B,( )5、Guangzhou Tower is almost _A600 meter high B600 meters highC600-meters-highD600-meter-high ( )6、Have you got enough books? No. I need _.A. ten more B. more tenC. ten another D. other ten,B,A,选择填空。1March is _month of a yearA a three B the third C a thir

38、d2We will have a meeting at 8:05_Afive to eight Beight five Ceight o five3Eight plus eight is_.Asixteen Bsixty-four Cone4He is an _boyAeight years Beight-year-old Ceight-years-old5We will have a_ walkAten minutes Bten minutes Cten-minutes,B the third,Ceight o five,Asixteen,Beight-year-old,Bten minutes,