学位英语课件-数词VIP

1、（四）数词数词n数词就是表示事物的数量和顺序的词，分基数数词就是表示事物的数量和顺序的词，分基数词和序数词两种。词和序数词两种。一一.基数词基数词表示数量多少表示数量多少的词是基数词，如：one, two, three等。构成方法如下：1）从112分别由从one到twelve12个各不相同的词表示。2）从1319均以后缀-teen结尾。3）从2090的整十数词均以后缀-ty结尾。表示“几十几”时，个位和十位之间需加连字符，如twenty-one, thirty-two, forty-three等。4）数字的写法和读法：十位与个位之间要加连字符“-”； 百位和十位之间要加and； 三位数以上的数

2、，从个位往前数，每三位数加一个逗号“，”，从后往前数的第一个逗号代表thousand,第二个逗号代表million,第三个逗号是billion，注意这几个词不能用复数形式，后也不能加and。 1. hundred thousand (表示具体数字表示具体数字) million billion2. hundreds thousands (表示概数表示概数) millions billions三三. .基数词的用法基数词的用法数词数词( (several)+)+ ofsome / many hundreds of 13分别为分别为first, second, third 。 419都是在后面加上都

3、是在后面加上th,特殊的有特殊的有fifth,eighth, ninth,twelfth。 2090的整十数词把的整十数词把y变成变成ie然后加然后加th,如如twentieth。 2199的序数词变后面的各位数。的序数词变后面的各位数。序数词可以用缩写，如序数词可以用缩写，如1st, 2nd, 3rd ,4th序数词序数词基数词基数词序数词序数词基数词基数词序数词序数词onetwelvetwotwentythreetwenty-onefourfortyfiveone hundredsixone hundred and fiveeightone hundred and twenty-ninen

4、inenineteen一一. .基数词、序数词基数词、序数词firstsecondthirdfourthfifthsixtheighthninthtwelfthtwentiethtwenty-firstfortiethone hundredthone hundred and fifthone hundred and twenty-ninthnineteenthfour thousand three hundred and twenty-oneseven million,six hundred and fifty four thousand three hundred and twenty-on

5、e7,654,3211,987,654,32143214,321one billion nine hundred and eighty-seven million,six hundred and fifty-four thousand three hundred and twenty-one1. 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-eight2. In our school several _ st

6、udents are able to search the Internet . A. hunderd of B. hunderds of C. hundred3. 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; hundreds B. hundreds; hundreds C

7、. hundreds; hundred 月日年月日年 在在2008年年10月月1日日四四. .数词的表示法数词的表示法 年月日年月日on Octorber the first, two thousand and eight日日the + 序数词序数词月月（首字母大写）（首字母大写）月日与年之间月日与年之间用用 ，分开分开年年on August the ninthin May, two thousand and ten有日用有日用 onon 无日用无日用ininon Oct. 1st , 2008 月日月日 在在8月月9日日 月年月年 在在2010年年5月月1. The accident hap

8、pened on_. A. April 5, 2001 B. 2001, April 5 C. April 2001, 52. I was born _. A. in March 8, 1993 B. on July 9, 1994 C. on May, 199520世纪90年代in the 1990s在他50多岁时in his fifties四四. .数词的表示法数词的表示法 年代世纪年代世纪in thein ones + 整十基数词复数在某人几十岁时nineteen nineties1. There will be more chances in _ century than in _ c

9、entury. A. twenty-one, twenty B. twenty-first, twentieth C. the twenty-first, the twentieth2. The city changed a lot _. A. in 1980s B. in the 1980s C. in the 19803. He graduated in _ of _ century. A. the sixtieth; twenty B. sixty; the twentieth C. the sixties; the twentieth4. He got the prize _. A.

10、in his fifties B. in fifties C. in his fifty时间类型时间类型表示法表示法例例读法读法整点整点基数词（基数词（+ oclock) 1:0030分钟分钟分钟分钟 + past +小时小时 2:10= 30 分钟分钟half + past + 小时小时3:3030分钟分钟（60-分钟）分钟） + to +（小时（小时 + 1）4:40分钟逢分钟逢15即即 一刻钟一刻钟a quarter5:156:45简化法简化法按顺序读基数词按顺序读基数词7:50one oclockten past twohalf past threetwenty to fivea qu

11、arter past fivea quarter to sevenseven fifty表示在几点钟用介词表示在几点钟用介词 atat四四. .数词的表示法数词的表示法 时间时间1. Its already 7:40 now. When will the film start? _. We still have five minutes. A. A quarter to seven B. Seven past forty-five C. A quarter to eight1 15 5分子分子 基数词基数词分母分母 序数词序数词one fifthone fifth2 27 7分子分子 1 1分

12、母分母 + s+ stwo seventhtwo sevenths s1 14 4分子分子 a a分母分母 quarterquartera quartera quarter3 34 4three quarterthree quarters s1 12 2a halfa half1 13 3threethree andand one third one third3 3基数词基数词 + and + + and + 分数分数四四. .数词的表示法数词的表示法 分数百分数分数百分数80 %80 %基数词基数词 + + percent percenteighty percenteighty perce

13、nt3.783.78three three pointpoint seven eight seven eight1. _ 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

14、them are women teachers. A. The number of; two third B. The number of ; two thirds C. A number of; two thirds一个半小时一个半小时两个半小时两个半小时 two two andand a half hour a half hours s= two hour= two hours s andand a half a half one one andand a half hour a half hours s= one hour = one hour andand a half a half四

15、四. .数词的表示法数词的表示法 半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. two bottles and a half B. two and a half bottle C. two bottle and a half一倍一倍 once，两倍，两倍 twice，三倍三倍 three times (三倍或以上三倍或以上 基数词基数词times)四四.

16、 .数词的表示法数词的表示法 倍数倍数 This box is five times as big as that one.=This box is four times bigger than that one. A + be + 倍数倍数 + as +adj.原原+ as +B. A是是B的的 倍倍 C + be + 倍数倍数 + adj.比比+ than +D. C比比D 倍倍1. This building is _ that building. A. three time as tall as B. twice taller than C. three times as taller

17、 as2. 我的箱子比你的重六倍我的箱子比你的重六倍! My box is _ yours. six times heavier thanseven times as heavy as一般编码用一般编码用 名词名词 + + 基数词基数词207207房房 三年级一班三年级一班第五部分第五部分第一课第一课3 3 号汽车号汽车第一中学第一中学Room 207 Room 207 Class one Grade threeClass one Grade threepart five = the fifth partpart five = the fifth partlesson one = the fi

18、rst lesson lesson one = the first lesson Bus No.3 =Bus No.3 = the No.3 busthe No.3 busNo. 1 Middle SchoolNo. 1 Middle School四四. .数词的表示法数词的表示法 编号编号 The winner is _. He is an _ boy . A. eight-year-old; eight years old B. eight years old; eight-year-old C. eight-years old; eight-year-old He came to Chi

19、na _. A. at the age of 20 B. when he is 20 C. at age of 20四四. .数词的表示法数词的表示法 年龄年龄 The river is about _. A. 6,000 meters long B. 6,000-meters-long C. 6,000-meter-long四四. .数词的表示法数词的表示法 计量计量be + 数词数词 + 量词量词 + 形容词形容词Exercises:1. Is there any food for us _ ?A. tenB. tenthC. the tenthD. the ten 2. The bike

20、 cost me _ yuan.Afive hundred forty Bfive hundreds fourtyCfive hundred and forty Dfive hundred fourty 3. “Which lesson are you studying now?”-“_”A. The lesson six B. Sixth lessonC. Lesson six D. Lesson sixth 4. The has written a _ compositionAthree-hundred-word Bthree hundred wordsCthree hundreds wo

21、rds Dthree hundreds word 5. She was born on _A A1986,March 9 BMarch 9, 1986C1986,9 March DMarch nine, 1986 ACCAB1. We have finished reading _ units.Athe first twoBfirst twoCthe second Dtwo first 2. My telephone number is _Aeighty eight two forty four zero nineBeight eight two double four O nineCeighty eight two four four zero nineDeight eight two four four zero and nine 3. Every day the