09高考英语二轮语法专项复习学案：数 词.docVIP

09高考英语二轮语法专项复习学案十八 数 词 高考重点要求： 1．掌握基数词、序数词、分数词、倍数、百分数、年月日、钟点、年龄、序号的基本用法。 2．掌握不定数量词、约数词的表达方法。 数词在各个题项中，单选、阅读、听力、写作高考资源网中发挥着很强的作用，往往用以说明事实的精确性和可信性。数词是由两大部分构成的即基数词和序数词，而其他数字表示法如分数，小数等均由这两大部分的不同组合而构成。高.考.资.源.风 （一）基数词：表示数目的词为基数词，它的构成如下表： 范 围 特 点 实 例 1~12 无规律 one, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve 13~19 以teen为结尾 thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen 20~90 以ty结尾 twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety 21~99 十位与个位之间要加连字符 “-” twenty-five, sixty-five, ninety-nine 101~999 百位与十位之间通常用and three hundred and twenty-five（美语中常将and省略） 千以上 6275—six thousand two hundred and seventy-five；1200—twelve hundred （二）序数词：表示顺序的数词为序数词，它的构成如下表： 范 围 特 点 实 例 1~19 各基数词尾加th 其中七个例外：first, second, third, fifth, eighth, ninth, twelfth, 其余，如：four — forth, six — sixth, nineteen — nineteenth 20,30~90 把y变i后加eth twentieth, fortieth, ninetieth 21以后多位数 最后一个数用序数词，其余用基数词 21st — twenty-first, 110th — one hundred and tenth （三）数词的用法： 1.英语中年月日、点钟、序数词、分数词、算式列表 示例 英语表示法 2001．6．30 June 30,2001 30June,2001 30thJune, 2001 7：25 seven twenty-five twenty-five past even 12:54 twelve fifty four six to one 9:15 nine fifteen a quarter past nine 2:30 two thirty half past two 21:50 twenty-one fifty 9:50p.m. 第21 twenty-first 第123 one hundred and twenty-third 高.考.资.源.风a half two and two-fifths 20% 20 per cent 20 percent 第七路公共汽车 Bus Number Seven 第201房间 Room 201 人民路153号 153 Renmin Road 4+8 =12 Four plus eight is twelve 11-7=4 Eleven minus seven is four. 6×5=30 Six times five is thirty. 20÷5=4 twenty divided by five is four. A＞B A is more than B. A＜B A is less than B. A≈B A is approximately (近似地, 大约)equals to B. A≠B A is not equal to B. 2.约数表示法列表 含义 英语表达 例句 大于某数 more than He has lived here for more than twenty years. over she is over fifty. or more Therere thirty people or more in the meeting-room. 小于某数 less than I have less than (not more than )fifty dollars. under Children