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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,中考数词专项复习,中考对数词的考查:,掌握基数词、序数词的构成及用法,2.,掌握,hundred,thousand,million,billion,等词的用法,3.,熟练掌握年、月、日的表达法和常,用的数字的表达法。,表示,数目多少,的数词叫做,基数词,:,one two three,ninety-five,2.,表示,顺序先后,的数词叫做,序数词,:,first second third,fifteenth,112,独立成词,需逐个记忆:,one,two,three,four,,,five,six,seven,eight,nine,ten,eleven,twelve,1319,的基数词以,-,teen,结尾:,thirteen,fourteen,fifteen,sixteen,seventeen,eighteen,nineteen,2090,的基数词都以,-,ty,结尾:,twenty,thirty,forty,,,fifty,sixty,seventy,eighty,ninety,2199,的写法:十位数,+,连字符,+,个位数,thirty-six,5.101999,的构成:百位和十位数之间用,and,连接,.755(seven hundred and fifty-five),基数词的构成,1,到,12,逐个记,,13,到,19,结尾,teen,,,整,十,都是,ty,结尾,,要想表达,几十几,,整十,连字,个位数。,英语中没有,“万”,这个单位,,要用,thousand,来表达:,ten thousand(,一万),one hundred thousand,(十万),3,333,333,333,billion,million,thousand,百,(hundred),、,千,(thousand),、,百万,(million),十亿,(,billion),等词,前与数字或,a(n,),连用时,,词尾不可加“,s,”,也不用“,of,”,。,six thousand,百,(hundred),,,千,(thousand),,,百万,(million),十亿(,billion),等词,与介词,of,连用时,,须用,复数,形式,,表示不确定数目。,thousands of people,基变序,有规律,,,一、二、三特殊记,,,first,second,和,third,,从四开始加th,,,八去t,九去e,,,五,和,十二ve,要用,f,替,,,整十变y为ie,,,后,加th,别忘记,,,若想表示几十几,,,只变个位就可以,。,序数词的构成,1.,序数词的缩写形式由阿拉伯数字,加序数词后面的两个字母构成。,first=,1,st,second=,2,nd,third=,3,rd,four=,4,th,fifth=,5,th,2.,序数词前一般要加定冠词,the,或,代词,,修饰名词。,the first day,my thirteenth birthday,3.,序数词前加,aan,表示“再一,又一”。,The story is so interesting that Ill read it a second time.,表示事物的编号,:,基数词放到名词的后边,该名词一般要大写,L,esson,O,ne=,L,esson 1,序数词放到名词的前面,,加定冠词。,Lesson,One,=,the first,lesson,房间号、公共汽车号、电话号码、,页码均用基数词。,如:,Room 386 No.14 bus,Tel.No.5328513 Page 101,英语中表示”几个半“的两种表达方法:,数词,+and a half+,名词复数,2.,数词,+,名词复数,+and a half,two and a half hours,两个半小时,two hours and a half,one hour and a half,一个半小时,时刻表达法:,顺序法,:,先说小时,后说分钟,8:15 eight fifteen,倒序法,:,先说分钟,后说小时,30,分钟内,:,分钟,+,past,+,小时,9:21 twenty-one past nine,30,分钟整,:,half past,+,小时,10:30 half past ten,30,分钟外,:,差几分,+,to,+,将要到达的点钟,11:45 fifteena quarter to twelve,整点用,oclock,5:00five oclock,分数和小数的表达法:,1.,分子用,基,数词,分母用,序,数词,,分子,大于,1,,分母用,复数,1/4one fourth,或,a quarter,4/5four fifths,1/2,one half,不读作,one second,2.,小数点读,point,0.3zero point three,2.53two point five three,3.,百分比的读法:先读基数词,再读,百分号,%(percent),5%,five percent,分数、百分数的谓语动词是单数还是复数的判断:,其实分数、百分数作主语时用单数动词还是复数动词不是看分数本身,而是看,of,后的名词。如果该名词是复数即用复数动词,如果是单数或不可数名词则用单数动词。,Two thirds of an apple,is,water.,Two thirds of the apples,are,bad.,日期的表达法:“月,+,日的序数词”表示,,有两种读法:,7,月,20,日,July the twentieth,the twentieth of July,1999,年,8,月,23,日,August the twenty-third,nineteen ninety-nine,the twenty-third of August,nineteen ninety-nine,年份、年代表示法:年份要用基数词,,每两位一读,1999=nineteen ninety-nine,1990,s,(20,世纪,90,年代),=nineteen ninet,ies,尤其要注意“在某人,岁时”的表达法:,in ones+,表示整十的基数词复数,在他,203070,岁时,in his twent,ies,thirt,ies,sevent,ies,“基数词,+,连字符,+,名词,+,连字符,+,形容词”,构成的形容词中,名词用单数,作定语,He is only a,seven-year-old,boy.,()1._ people will visit,Qinzhou,during the 12,th,Games of Guangxi.,A.Thousand B.Two thousands,C.Thousands of D.Thousand of,()2.,Kangkang,is a school boy.He got a good gift on,his _ birthday.,A.fourteenth B.fortieth C.the fortieth,()3._ of the land is covered with trees and grass in,Pingjiang,Yueyang,.,A.Three fives B.Three fifths D.Three fifth,()4.I like neither of the two books.Please show me _ one.,A.third B.a third C.the third D.three,()5.Eight _ students in our school are from countryside.,A.hundreds B.hundred C.hundreds of D.hundred of,()6._ of the warm water _ already been used up.,A.Two third,has B.Two third,have,C.Two thirds,has D.Two thirds,have,C,A,B,B,B,C,示范解题,解题技巧:,理解题意,2.,基数变序数特殊记,3.,序数词前常加,the,或代词,4.,答案排除法,巩固提高:,()1.last year,I visited a chemical in Nanning,there are about,workers in it.,A.six thousands B.six thousand,C.six thousands of D.six thousand of,()2.Tom has just finished writing a,article.,A.nine-hundred-words B.nine-hundreds-word,C.nine-hundred-word D.nine-hundreds-words,()3.How much is the pair of shoes?,-Twenty dollars,enough.,A.is B.are C.am,D.was,()4.My uncle bought me an,iPhone,for my,birthday.,A.twelve B.twelfth C.the twelve D.the twelfth,()5.All the visitors live on,floor.,A.two B.second C.the second D.twice,B,C,A,B,C,()6.Can you imagine what life will be like in,time?,A.50 years B.50 years,C.50-years D.50-years,()7.About,of the students in our class were born in the,.,A.two thirds,1990s B.two thirds,1990,C.two third,1990s D.second three,1990,()8.Ive looked for it twice,but I havent found it.,-Why not try,?,A.three times B.once,C.third time D.a third time,()9.David,how old is your father this year?,-,.And we just had a special party for his,birthday,last weekend.,A.Fortieth,forty B.Forty,forty,C.Forty,fortieth D.Fortieth,fortieth,()10.,fishes were killed by the polluted water last year.,A.Millions B.Four millions,C.Millions of D.Four millions of,A,A,D,C,C,goodbye,
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