中考专项复习之数词.ppt

1、Welcome To No.6 Middle School,Taught by Ellen No.6 Middle School May . 10,中考专项复习四之数词,考点直击,1. 数词的种类.,3. 基数词的用法.,2. 基数词的拼写.,Revision aims,一知识目标,二能力目标,能够在各类题型中正确使用基数词.,数词,基数词,序数词,（表示数目多少）,（表示顺序先后）,Guide 1,Guide 2 基数词的构成规律,1-12_记 13-19以_结尾 注意： 14，16，17，19 都是在个位数后直接加_ 13,15,18,需要特殊记:_ 整十的基数词以_结尾。 注意：60，7

2、0，90直接在个位数词后加_ 20,30,50,80 特殊记_ 40一定要注意，必须去_, 再加_ 几十几需要在十位和个位之间加_ 几百零几，几百几十几，要在百位后加_,特殊记,teen,teen,thirteen, fifteen, eighteen,ty,ty,twenty,thirty,fifty,eighty,u,ty,连字符-,and,Practise 1,、七 、二 、八 、五 、十二 、十一 、三,、十三 、十五 、二十 、五十 、三十 、四十 、百,看谁译得快：,seven,two,eight,five,twelve,eleven,three,thirteen,fifteen,

3、twenty,fifty,thirty,forty,hundred,forty-five,31 45 57 66 89,thirty-one,fifty-seven,sixty-six,eighty-nine,457,890,608,389,three hundred and eighty-nine,four hundred and fifty-seven,eight hundred and ninety,six hundred and eight,12位数之内的读写,1 先_,从右往左，_. 2 从高位起读写（即从左往右读写），每节是多 少就读写多少， 其后加_ 读写完该节后，后有九位，加单

4、位_ 读写完该节后，后有六位，加单位_ 读写完该节后，后有三位，加单位_ 3 添加and的情况： _之间加and 如果十位为0，_之间加and 节前有0，_. 节后无论几个0，读写一个_,注意：千百之间 不加and,分节,三位一节,单位,billion,million,thousand,百位和十位,百位和个位,不读,and,Practise 2 Can you read them?,2300439256 12345678901 920030006040,2,300,439,256,two billion three hundred million four hundred and thirty

5、 nine thousand two hundred and fifty-six,twelve billion three hundred and forty-five million six hundred and seventy eight thousand nine hundred and one,12,345,678,901,920,030,006,040,nine hundred and twenty billion and thirty million and six thousand and forty,复习：Hundred/thousand/million/billion,1

6、前有具体的基数时，四个单位做_词。 即 基数+四单位 ，这时候，四个单位_复数变化 如若后跟名词，_，或者加上_再跟名词。 基数+四单位 .百/千/百万/十亿 基数+四单位+名词 .百/千/百万/十亿. 基数+四单位+ of the +名词 200 _ 200名学生 _ _ 2 前无具体的基数，四个单位或者单独用，或者是概数修饰，这个时候，四个单位为_词。这时，四个单位必须加_.其后若跟名词，必须加上_.,数,名,直接加,two hundred,of the,two hundred of the students,无,two hundred students,of,s,数百万_ 数百万._ 数

7、百万棵树_ 一些百/几百_ 许多千_,1. My father has got eight _stamps from all over the world. A. hundreds B. hundred C. hundreds of 2. The concert attracted _ students last night. A. thousand B. two thousands C. thousands of,B,C,millions,many thousands,some/a few/several hundreds,millions of trees,millions of.,Gui

8、de 3 想一想什么时候用到基数词？,1 表示数量时 2 年用基数词表示 3 在多少世纪多少年代 4 表示年龄时 5 表示钟点时 6 百分数，小数，分数 7 其他的固定用法,基数复习之一：年份的表达法,1875-,eighteen seventy-five,年份读法 1 要用基数词，每两位一读，如果年份以00结尾， 用hundred表示。 2 看成数字读,1997-,nineteen ninety-seven,1682-,sixteen eighty-two,1900-,nineteen hundred,2000-,two thousand/twenty hundred,1509,If it

9、is an amount(数量) (2) If it is a date(年代) (3) If it is a telephone number(电话号码),one thousand five hundred and nine,fifteen zero nine,one five zero nine,“0” 在英语里读成 “o” or “zero”,基数复习之二：世纪年代表达,在多少世纪多少年代： 因为是一段时间，所以用_ 因为特指，所以加_ 因为年代为10年，所以加_, 也可以加_ 世纪读写译要特别注意：,写英文时需_ 译汉语时需_ 读英文时年代需_,eg: 在20世纪40年代_ in th

10、e 2010s_,in the 1940s / in the 1940s 读作in the nineteen forties,在21世纪10年代,in,the,s,s,-1,+1,读整十复数,in the +世纪年代（年代加s/s）,基数复习之三： 年龄的表达,1 他18岁了_ _ _ 2 有关年龄的固定短语： 在某人多少岁时_ 在某人几十多岁时_,eg. 1Tom could play the piano _(在6岁时) 2 Susan got married _（在她30多岁时） 3 A _schoolboy, Li Ming, played the piano at the end of

11、 the party. A. 12-year old B. 12-years-old C. 12-year-old,He is eighteen years old,He is eighteen,He is an eighteen year-old boy,at the age of,in ones +整十的复数,C,in her thirties,at the age of 6,基数复习之四：钟点表达法,1 _法：先读小时，再读分钟，数字是几读几。零读_;整点可以加上_ 4:00 _ 4:05_ 4:30_ 4:46_ 2 _法：先读分钟，再读小时.此法必须借助于介词past或者to。具体为

12、： (1) 小于或者等于30分时，用介词_（过） 分钟+past+时钟 几点过几分 5:10（5点过10分）读成 2:02 （2点过2分） 读成 8:26 （八点过26分）读成,ten past five,two past two,twenty six past eight,four zero/o five,four/four oclock,oclock,zero/o,顺读,four forty-six,four thirty,逆读,past,(2) 大于30分用介词_ （中文译为“差”） 如：7：47 （差13分到八点） 读成 1：58（差2分到两点） 读成,two to two,thirt

13、een to eight,注意：半小时还可以用_; 15分钟还可以用_,9:30 _ _,7：45 _ _,说明:使用逆读法, 15分、45分不用fifteen minutes,30 分不用thirty minutes, oclock只用于整点之后。,to,quarter,half,nine thirty half past nine,seven forty-five a quarter to eight,即：60-分钟数 +to+钟点数+1：中文译为：差几分到几点,Practise :Can you read them?,1:30 2:15: 3:45 6:38 7:25 9:50,one

14、thirty,half past one,two fifteen,a quarter past two,three forty-five,a quarter to four,six thirty-eight,twenty- two to seven,twenty five past seven,seven twenty-five,ten to ten,nine fifty,基数词复习之五：百分数和小数,1 百分数表达： 百分之几_ 百分之几的._ 注意：百分数作主语，谓动取决于_,eg:40%_ 40%的学生_ eg, Eight-five percent of the girls _(stu

15、dy) hard. Thirty percent of the time _(have) been used up.,2 小数表达： 小数点前是几读几，小数点后的数字要_ 小数点读作：_,eg 12.365 读写作：_ 3.06 读写作:_,of后的名词,forty percent of the students,forty percent,基数词+percent+of,基数词+percent,study,has,依次读,point,twelve point three six five,three point zero six,基数词复习之六：几个半的表达,1 一.半 one+and +a

16、half +_ one/a /an +_+and a half,eg 一个半小时_ _,2 几.半 数词+and +a half +_ 数词+_+and +a half,eg 两个半小时_ _,one and a half hours = one hour and a half,two and a half hours = two hours and a half,The old man drank_(一瓶半) of beer.,名词复数,名词单数,名词复数,名词复数,one and a half bottles one/a bottle and a half,基数词复习之七：倍数表达法,1

17、一倍_;两倍_; 三倍以上_. 2 A是B的多少倍： _ _ _,A +be+倍数+as +adj+as +B,A +be+倍数+the +n+of +B,A +be+倍数+adj比 +than +B,这条河宽是那条河的三倍/这条河比那条河宽两倍 _ _ _,The river is three times as wide as that one The river is three times the width of that one The river is twice wider than that one,once,twice,基数词+times,eg. 1. This buildi

18、ng is _ that building. A. three time as tall as B. twice taller as C. three times as taller as 2. 我的箱子比你的重六倍! My box is _ yours.,six times heavier than,seven times as heavy as,seven times the weight of,基数词复习之八：计量法,1主语+be + 基数+metres/kilometers +(长宽高深厚远.) 2 主语+be+基数+kilos/pounds +heavy,这棵树八米高 _,The t

19、ree is eight meters tall/in height The height of the tree is eight meters It s an 8-meter-tall tree,=in length/ width/height/depth/thickness/.,long/wide /high/tall /deep/thick/away.,基数词其他热门考点,1 十分钟的步行/骑乘/驾驶 _/. 2 在原来的基础上再多. _ eg.再多一个_ 再多一本书_ 再多十个 _ 再多十个学生_,ten minutes walk/ ride/drive,数词+more=anothe

20、r+数词,another one=one more,another book =one more book,another ten=ten more,another ten students= ten more students,1. There are over nine _ workers in the factory, but _ of young people hope to work in it. A. hundred; hundreds B. hundreds; hundreds C. hundreds; hundred D. hundred; hundred 2. The city changed a lot _. A. in 1980s B. in the 1980s C. in the 1980 3. He got the prize _. A. in his fifties B. in fifties C. in his fifty Its already 7:40 now. When will the film start? _. We sti