第二部分 17.数词-【爱疯英语】2024高考英语一轮复习高效备考新模式课件PPT（话题通用版）

数词 名师指津 00 名师指津 知识网络 基数词 表示数目大小的词 序数词 表示先后顺序的词 数词 four→fourth,six→sixth, seven→seventh, ten→tenth, 基数词变序 hundred→hundredth, 般在后 thousand->thousandth, 数词的规则 面加th million→millionth eleven→eleventh, thirteen->thirteenth, fourteen→fourteenth 名师指津 去e再加th nine→ninth 末尾有t只加h eight→eighth 将ve改为f后再加th five-→fifth, twelve→twelfth 数 基数词变序 特殊变化one→first,,two→second,. 数词的规则 three→third 逢十的基数词，ty→ieth twenty→twentieth,thirty→thirtieth, forty→fortieth,fifty→fiftieth 几十几的基数词只变后面一个基数词 thirty-five->thirty-fifth, ninety-eight->ninety-eighth 名师指津 He fared better in the second test. 第二次考试颇有进步。 序数词 前一般 Mike won (the)first prize in the speech contest.迈克在演讲比赛中获得了第一名。 要加the 比较：The rich man has bought two cars.. But he wants to buy a third one this week. 数词 数词的 用法 表示编号the Twelfth Lesson=Lesson Twelve第十二课 表达“一两天/周/月/年”a week or two=one or two weeks-一两周 表达“一个半”one/an hour and a half=one and a half hours一个半小时 名师指津 分数表达法1/5读作one fifth; 3/5读作three fifths; 1/4可读作a quarter “数词+-+名词(+形容词)”作定语 数词 an eight--year-old boy一个八岁的男孩； 数词的用法 a five-minute walk步行五分钟的路程 比较：a five minutes'walk步行五分钟的路程 年代表示法 in the1990's或in the1990s在20世纪90年代 表达“几十多岁”in her thirties在她三十多岁时 名师指津 This river is twice longer than that one. 这条河是那条河的两倍长。 倍数表 达法 This river is twice as long as that one. 数词的用法 This river is twice the length of that one. 词 序数词(+名词)+to do sth James was the first Those recently employed will be the to arrive.詹姆斯是第 first to be dismissed.那些最近被雇用 一个到达的。 的人将会先被解雇。 名师指津 序数词与最高级连用表示“第几长/宽/高/… Guangzhou is the third largest city in China. 是中国的第三大城市。 数 数词的 the last表示“最不可能的” 用法 He is the last person to tell a lie.他是最不可能撒谎 的人。 表达“某人第几次做某事” It was the first time he had been out with her alone. 这是他第一次单独和她出去。 名师指津 My accounts balance for the first time this year!我的账上今年第一次出现收支平衡！ 几 个 At first he thought to tell her;then he 数词的 固 changed his mind.他原来打算告诉她的，后 词 用法 定 来改变主意了。 结 构 Tom met Mary at a party,and it was love at first sight..汤姆在聚会上认识了玛丽，两人一 见钟情。 名师指津 Firstly,she did not intend to marry at all;secondly,she meant to g