2022年中考英语复习课件基数词.pptx

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1、基数词2数词概述1基数词的构成和读法2高频考点3目录3one third three second ten twenty-one 4数词概述拔高：基数词和序数词的句法功能（1）基数词在句中可作主语、宾语、定语、表语、同位语.；（2）序数词序数词在使用时,通常前面要加定冠词 the；在句中可作主语、宾语、定语和表语. ；1数词的定义数词的定义表示数目多少或先后顺序的词2数词的分类数词的分类分为基数词（如，one,two.fifteen等）和序数词（如，first,second.twelfth等）50zero1one2two3three4four5five6six7seven8eight9nine

2、10ten11eleven12twelve0-12写法有各自的形式数词的构成和读法613thirteen14fourteen15fifteen16sixteen17seventeen18eighteen19nighteen13-19都以-teen/ti:n/结尾，单词中的两个音节都是重读音数词的构成和读法720twenty30thirty40forty50fifty60sixty70seventy80eighty90ninety所有整十数整十数都是以ty /ti/ 结尾数词的构成和读法821-90在十位与各位之间加连字符“-”如fifty-one比如：32，thirty-two，先说几十，再说

3、几，中间用连字符-即，+整十数 连字号-个位数拔高：（1）在读法上，四位数以及四位数以上的数要在百位之后加“and”，而千位、万位以上的数不需要加任何词，只按顺序读 （2）书写四位以上的阿拉伯数字时，右起每三位加一个“，”如six billion one hundred and forty-five million six hundred and twenty-one thousand and four(6,145,621,004)数词的构成和读法9高频考点： 拔高：在这些词前面还可以加several,many等词语进行修饰 数词hundred,thousand,million,billion

4、用来修饰名词，表多少 当表示“数以.计的”不确切的数时，要变复数并加上of,再加名词，如 hundreds of.10( )1There are _ days in a year A. three hundred and sixty five B. three hundred and sixty-five C. three hundreds and sixty five D. three hundreds and sixty-five ( )2Danny lives in _ A. room 404 B. Room 404 C. 404 room D. 404 Room ( )3Jim is

5、in _ A. class one，grade six B. grade one，class six C. Class One，Grade Six D. Grade One, Class Six ( )4The bike costs me _ yuan A. five hundred forty B. five hundreds fourty C. five hundred and forty D. five hundred fourty ( )5My telephone number is _ A. eighty eight two forty four zero nine B. eight

6、 eight two double four O nine C. eighty eight two forty-four zero nine D. eight eight two four four zero nine 课堂练习课堂练习11数词的定义和分类数词概述0-12各自不同整十数“几十几”的表达基数词的构成和读法数词的修饰词高频考点总结总结12( )1. -How many students are there in your class? -_. A. Twenty nine B. Thirty and two C. Forty-five D. fifties( )2. The yea

7、r 1999 should be read The year _. A. nineteen and ninety-nine B. nineteen hundred and ninety-nine C. one thousand nine hundred and ninety-nine D. nineteen ninety-nine ( )2. Today we are going to learn _. Thats nice, Mr. Wang. A. Lesson Second B. the Lesson Two C. Lesson Two D. second lesson( ) 4. The number 4,123 is read _. A. four thousand one hundred and twenty-three B. four thousand and one hundred twenty-three C. four thousand and a hundred and twenty-three D. four thousands a hundred and twenty-three 1课后练习课后练习