,中考一轮复习讲练测,第,12,讲,数词,2024,授课：,01,复习目标,02,网络构建,03,知识,梳理,题型归纳,04,真题感悟,目录,CONTENTS,PART ONE,复习目标,1.掌握基数词的构成和用法,2.掌握序数词的构成和用法,3.掌握分数的表达法,稿定,PPT,稿定,PPT,，海量素材持续更新，上千款模板选择总有一款适合你,02,网络构建,稿定,PPT,稿定,PPT,，海量素材持续更新，上千款模板选择总有一款适合你,02,03,数词,PART ONE,数词就是表示事物的数量和顺序的词。,基数词,序数词,数量,顺序,什么是数词？,数词,知识点一：基数词和序数词的构成,夯基,必备基础知识,一、基数词、序数词,基数词,序数词,序数词的缩写形式,one,two,three,first,second,third,twel,f,th,1,3,1,2,3,特殊记,1st,2nd,3rd,数字,+,序数词最后两个字母,4,19,/,four,twelve,five,thirteen,six,fourteen,seven,fifteen,eight,sixteen,nine,seventeen,ten,eighteen,eleven,nineteen,ve,four,fi,six,th,seven,th,eigh,nin,ten,th,eleven,th,th,f,th,th,th,t,e,4,th,11,th,6,th,5,th,7,th,8,th,9,th,10,th,f,thirteen,th,fourteen,th,fifteen,th,sixteen,th,seventeen,th,eighteen,th,nineteen,th,twel,ve,th,12,th,13,th,14,th,15,th,16,th,17,th,18,th,19,th,基数词,基数词,序数词,序数词,缩写,缩写,8,减,t,9,去,e,ve,要由,f,替，然后再加“,th”,21,99,基数词,序数词,缩写,twenty-one,thirty-two,forty-three,fifty-four,sixty-five,seventy-six,eighty-seven,ninety-eight,ninety-nine,twenty-,first,thirty-,second,forty-,third,fifty-,fourth,sixty-,fifth,seventy-,sixth,eighty-,seventh,ninety-,eighth,ninety-,ninth,21st,32nd,43rd,54th,65th,76th,87th,98th,99th,“几十几”要注意，个位序数就可以！,一、表示数量,1.,十二层楼,2.,一千二百五十个学生,twelve,floors,1,250,students,hundred,s,thousand,s,million,s,billion,s,数词,+,3.,两百万美元,two million,dollars,hundred,thousand,million,billion,4.,成百上千棵树,hundred,s of,tree,s,+,of,(several),（表示概数）,（表示具体数量）,(some)/,(many),知识点二：基数词和序数词的用法,二、表示年龄,1.,十六岁,2.,在他五十多岁时,3.,一个八岁的女孩,sixteen,years old,in his,fifties,an,eight-year-old,girl,in ones,+,整十基数词的复数形式,in,one,s,+,整十的复数形式,teens,十多岁,twenties,二十多岁,forties,四十多岁,sixties,六十多岁,nineties,九十多岁,基数词,+,名词,基数词,+,名词,+,形容词,复容合词形,a,two-month,holiday,a,100-metre-long,bridge,三、表示编号,1.,第一,课,2.,五路公交车,四、表示年份、年代,1.in 1998,in ninteen ninety-eight,2.in 2005,in two thousand and five,3.,in 1900,in nineteen hundred,4.in 1805,in eighteen O five,5.in the 1980s,in the,nineteen eighties,Lesson,One,bus No.,5/,No.,5,bus/,3.802,号房间,Room,802,年份,年代,名词,+,数字,读法：一般是两位两位读,in the 1850s,in the,eighteen fifties,时间类型,表示法,例,读法,整点,基数词（,+oclock),1:00,30,分钟,分钟,+past+,小时,2:10,=30,分钟,half+past+,小时,3:30,30,分钟,（,60-,分钟）,+to+,（小时,+1,）,4:40,分钟逢,15,即 一刻钟,a quarter,5:15,6:45,简化法,按顺序读基数词,7:50,one oclock,ten past two,half past three,twenty to five,a quarter past five,a quarter to seven,seven fifty,表示在几点钟用介词,at,五、,表示时间,一、表示顺序,1.,第二十一世纪,twenty-first century,the,序数词前通常要加定冠词“,the,”,但是如果有形容词性物主代词或名词所有格时不加“,the,”,。,2.,我的第二辆车,my,second car,3.,大卫的第五封信,Davids,fifth letter,序数词可以在句中做主语、宾语、定语和表语。,1.,The third,is what I really need.,(,主语）,2.He chose,the second,.,(,宾语）,3.We live on,the twelfth,floor.,4.She is,the second,in our class.,(,定,语）,(,表语）,月日年 在,2008,年,10,月,1,日,二,.,表示日期,读法：,on,Octorber,the,first,two thousand,and,eight,日,the+,序数词,月,（首字母大写）,月日与年之间用,，,分开,年,写法：,on,Oct.1,st,2008,日月年 在,2008,年,10,月,1,日,写法：,on,1,st,October,2008,读法：,on,the,first of Octorber,two thousand,and,eight,三、表示数量,a/an+,序数词,+,名词，可以表达“又一、再一”。用于在原有一定数量上再增加一个的概念。,请再给我一个机会。,1.Please give me,a second,chance.,格林夫妇又生了个孩子。,2.The Greens had,a third,baby.,3.There is a fourth boy watching them.,还有一个男孩在观看。,稿定,PPT,稿定,PPT,，海量素材持续更新，上千款模板选择总有一款适合你,02,夯基,必备基础知识,知识点二：情态动词的特点,基数词变序数词记忆口诀,基变序，有规律，词尾加上,-th,。一，二，三，特殊记，词尾字母,t,，,d,，,d,。八去,t,，九除,e,，,ve,要用,f,替，,ty,将,y,变成,i,，,th,前面有个,e,。若是碰到几十几，前用基来后用序。整十基数变序数，先把,ty,变成,tie,，要是遇上两位数，十位基数，个位序，,th,最后加上去,分数的表达法,分数是由基数词作分子，序数词作分母构成的。除了分子是1的情况外，序数词都要用复数。,1/3 one third,7/9 seven ninths,【注意】一些特殊的分数表达法：,a half 二分之一,a quarter=one fourth 四分之一,three quarters=three fourth 四分之三,知识点三：分数的表达法,分数的表达法,英语分数巧记,英语分数不费事，母序子基四个字。,分子若是大于一，分母还须加-s。,稿定,PPT,稿定,PPT,，海量素材持续更新，上千款模板选择总有一款适合你,02,提升,必备题型归纳,1（2023黑龙江绥化校考模拟预测）Up to now,almost _ of the students in the class have completed _ of their homework.,Atwo-thirds;60 percentsBtwo-thirds;60 percentCtwo third;60 percents,【答案】B,【详解】句意：到目前为止，班上近三分之二的学生已经完成了60%的作业。考查分数和百分数的写法。英语中的分数写法：分子用基数词，分母用序数词，分子大于1时，作分母的序数词用复数，所以三分之二的表达是two-thirds；百分之几：数字+percent。故选B。,稿定,PPT,稿定,PPT,，海量素材持续更新，上千款模板选择总有一款适合你,02,提升,必备题型归纳,2（2023黑龙江哈尔滨模拟预测）Bill Gates became the richest man in the world in his _.And he gives away most of his money to help the poor.,AthirtyBthirtiesCthirtieth,【答案】B,【详解】句意：比尔盖茨在三十多岁时成为世界首富。他把大部分钱都捐给了穷人。,考查数词用法。thirty三十，基数词；thirties三十多（从30到39）；thirtieth第三十，序数词。根据语境可知，考查“in ones+逢十的基数词的复数”，表示“在某人（整十）多岁”，固定用法。故选B。,稿定,PPT,稿定,PPT,，海量素材持续更新，上千款模板选择总有一款适合你,02,提升,必备题型归纳,3（2023甘肃陇南校联考模拟预测）His father looks young,but _ fact he is _.,Ain;in the forties,Bin;in his forties,Cin the;in the forties,Din;in his forty,【答案】B,【详解】句意：他的父亲看起来很年轻，但事实上，他已经40多岁了。考查介词短语和年龄段的表达。in fact事实上；in the fact在的事实上，后接同位语从句；in the forties在40年代；in his forties在他四十多岁的时候；in his forty错误表达，forty应用其复数形式。介词短语in fact表示“事实上”，作状语。介词短语in ones forties表示“在某人40多岁的时候”，作表语。故选B。,稿定,PPT,稿定,PPT,，海量素材持续更新，上千款模板选择总有一款适合你,02,提升,必备题型归纳,4（2023湖北武汉统考模拟预测）If you want to change for a double room,youll have to pay _$15.,AotherBmoreCanotherDeach,【答案】C,【详解】句意：如果你想换一间双人间，你还得再付15美元。,考查代词辨析。other其他的；more更多；another多者中的另一个；each每一个。根据“If you want to change for a double room,youll have to pay.$15”可知是要再支付15美元，用结构“another+数词+名词复数”或者“数词+more+名词复