数词专题复习课件

1、初三总复习数词 乔英华 2008.3.26 网站版权所有考点直击1. 数词的种类.3. 基数词和序数词的用法.2. 数词的拼写. 网站版权所有复习导入:数词的拼写、七、二、八、五、十二、十一、三、十三、十五、二十、五十、三十、四十、百看谁译得快：seventwoeightfivetwelveeleventhreethirteenfifteentwentyfiftythirtyfortyhundred 网站版权所有1、第一2、第五3、第二4、第九5、第三6、第八7、第十九8、第二十9、第十二10、第二十一firstfifthsecondninththirdeighthninteenthtwent

2、iethtwentlfthtwenty-first 网站版权所有1、数词分几类？2、基数词怎样变序数词 ?Try to answer两类：基数词和序数词。序数词除first, second, third 以外，其余一般在词尾加th构成。 网站版权所有数词基数词序数词（表示数目多少）（表示顺序先后） 网站版权所有forty-five基数词的拼写:3145576689thirty-onefifty-sevensixty-sixeighty-nine2199的两位数，在十位数和个位数之间中间有“”。如：34thirty-four 网站版权所有三位基数词的拼写457890608389three hun

3、dred and eighty-ninefour hundred and fifty-seveneight hundred and ninetysix hundred and eight 101999的三位数由“百位数and+两位数组成”。 如：325three hundred and twenty-five 网站版权所有1. My father has got eight _stamps from all over the world. A. hundreds B. hundred C. hundreds of2. The concert attracted _ students last

4、night. A. thousand B. two thousands C. thousands of BC 基数词与hundred; thousand; million; billion等连用, 表示确切、具体的数目时,词尾不加“s”；如：five hundred, six thousand, seven million, nine billion 等。当 hundred, thousand，million; billion等与“of”连用时用复数形式如：thousands of students, millions of trees. 网站版权所有1.The children are go

5、ing to learn _ tomorrow.Lesson Third B. the Lesson three C. Lesson Three2. I dont know if he lives in _.Room 215 B. the Room 215 C. 215 roomsCA表示编号：单数名词基数词, 且名词与数词的第一个字母一般都要大写;用序数词表示编号时,要位于名词前,且要加定冠词the.如: Lesson Eight/ the eighth lesson; Page15, Row Three/ the third row ; Bus No.37 网站版权所有编号：练习三初三（4

6、） 班第一课第三中学：第十三路公共汽车Lesson One =the first lessonExercise ThreeClass Four, Grade ThreeNo. 3 Middle School Bus No. 13 网站版权所有年份的表达法1875-eighteen seventy-five 要用基数词，每两位一读，如果年份以00结尾，用hundred表示。1997- nineteen ninety-seven1682- sixteen eighty-two小知识 1900- nineteen hundred 2000- two thousand 网站版权所有时刻表达法：1. -

7、Whats the English for “6:10”? Its _. A. six ten B. ten six C. ten to six2. 9:45 is _. A. a quarter to nine B. a quarter past nine C. a quarter to ten 3. Its _. Lets go and play football .fifty past four B. ten to five C. fifty to fiveACB 网站版权所有 情况 顺读法 示例 整点 几时几分时刻的表达法基数词(+oclock)9:00 (nine oclock)钟点

8、数+分钟数9:40 nine forty 网站版权所有时刻的表达法: 情况 逆读法 示例分钟数30分钟数=30分钟数=15分钟数=45分钟数+past+钟点数9:10 ten past nine(60-分钟数)+to+(钟点数+1)9:50ten to tenhalf past+钟点数9:30 half past ninea quarter past +钟点数9:15 a quarter past ninea quarter to +(钟点数+1)9:45 a quarter to ten说明:使用逆读法, 15分、45分不用fifteen minutes, 30分不用thirty minut

9、es, oclock只用于整点之后。 网站版权所有完成下列句子。1、我们在6：15起床。 We get up at _.2、他在7：30去学校吗？ Does he go to school at _?3、Lily不在11：45回家。 Lily doesnt go home at _.4、他们在9：28上床睡觉。 They go to bed at _.5、妈妈在7：43看电视。 Mother watches TV at _ _.six fifteena quarter past sixseven thirtyhalf past seveneleven forty-fivea quarter t

10、o twelvenine twenty-eighttwenty-eight past nineseven forty-threeseventeen to eight 网站版权所有基数词与单数名词构成复合形容词, 中间要用连字符 “-” .例： an eight-year-old boy 一个八岁的男孩 a two-day holiday一个两天的假期1. A _schoolboy, Li Ming, played the piano at the end of the party. A. 12-year old B. 12-years-old C. 12-year-old2. They wil

11、l have a _. A. 20 days holiday B. 20 days holiday C. 20-day holidayCC 网站版权所有容易写错的序数词和基数词对照表： 基数词 序数词 缩写形式onetwothreefiveninetwelvetwentyforty-eightfirst1stsecond2ndthird3rdfifth5thninth9thtwelfth12thtwentieth20thforty-eighth48th 网站版权所有基变序有规律，词尾加上“th”“一，二，三”特殊记，加th从4起 (first, second, third, fourth) 。

12、八去t，九减e， (eighth, ninth) 20到90，y要变ie (twentieth, ninetieth) 逢5逢12，ve变f (fifth, twelfth) 若是几十几，前基后序别倒位 (ninety-first) 。序数词缩写记清楚，数字后跟两字母。 基数词变序数词的规则： 网站版权所有John lives on _ floor. A. nine B. ninth C. the ninth2. We all think that the _century will bring us more hopes.twenty-one B. twentieth-first C. tw

13、enty-first3. This is _ visit to China. A. second B. my the second C. my second4. On his _ birthday, he got a lot of presents. A. twelve B. twelfth C. the twelfthCCCB序数词前要有定冠词the，如前有形容词性物主代词时，不用定冠词.如：the +序数词+名词单数 网站版权所有1. I have already broken two rulers so I want to buy a _ one. A. three B. third C

14、. fourth2. 为什么不再试一次？BWhy not try a second time?序数词前用不定冠词a/an时表示“再一，又一”，相当于another. 网站版权所有分数表达法:例: onethird; two fifthsIn our class, _of the students _ girls. A. three fifths, are B. three fifth, are C. three five, are2. _of the water_drunk up. A. Two thirds, has B. Two third, is C. Two thirds, wasAC

15、分子用基数词, 分母用序数词. 当分子大于1时,序数词之后加“s”.谓语动词的数由分数后面的名词决定 网站版权所有“年”用基数词，“日”用序数词，前面要加定冠词.例: 1999年10月1日： 年、月、日的表达方法：有两种表达方式:月份+the+某日的序数词+年份或 the+某日的序数词+of+月份+年份October 1st , 1999读作: October the first, nineteen ninety-nine 或the first of October, nineteen ninety-nine 网站版权所有1、 基数词的拼写.2、 序数词的拼写.3、 hundred thous

16、and million billion 的用法.4、 用数词表示编号、时刻、年月日.5、 分数的表达法. Summary: 本节课内容小结: 网站版权所有Exercises 网站版权所有 连接中考历届中考试题_Guangdong Sports Games was held in Foshan last November. (2007佛山中考试题) A . The twelve B. Twelfth C. The twelfth 2. Mothers Day falls on _ Sunday of May. A. two B. second C. the second (2006佛山中考试题)

17、3. Every year _ of trees are planted on the hills to protect the environment. (2004佛山中考试题) A. a thousand B. thousands C. thousand4. Has the party started? -No. Only four girls have come. You are _. A. five B. fifth C. the fifth (2003佛山中考试题)5. Mothers Day is on _ Sunday of May. A. two B. second C. th

18、e second (2002佛山中考试题） 网站版权所有Complete the sentences1、一年有365天. There are _ days in a year2、看!天空中有成千上万颗星星. Look! There are _stars in the sky 3、她有一个十个月大的婴儿. She has _ baby.4、他出生于1991年7月5日. He was born _July _,1991 .5. 他班三分之二的学生是女孩._of the students are girls in his class three hundred and sixty-fivethousand