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）50zero1one2two3three4four5five6six7seven8eight9nine1
2、0ten11eleven12twelve0-12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，再说几，中
3、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用来修饰名
4、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 in _ A.class one，g
5、rade 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 eight two double four O nine C.e
6、ighty 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 year 1999 should be read The year _.A.nineteen a
7、nd 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
