初三英语总复习 数词精(共20张1)ppt课件

.,数词,初三英语总复习,.,Game,对对碰,.,自主学习:,5267,0008:0011:50第一第十一个16岁的男孩在20世纪90年代四分之一三分之二一周两次三倍,fivehundredandtwenty-six,seventhousand,eightoclock,elevenfiftytentotwelve,first,tenth,asixteen-year-oldboy,inthe1990s,onefourth,twothirds,twiceaweek,threetimes,.,合作研讨(10),1、基数词的读法和用法:（1）1,265（onethousand,twohundredandsixty-five）；（2）年份的读法（1995，2000）；（3）公交车号和房间号的读法（11路公交车，305房间）；（4）年代读法（20世纪70年代）；（5）年龄段的读法（40几岁）；（6）年龄的读法；（7）次数的读法（1次，2次，5次）；（8）时间的读法（8:00、3:30、3:10、3:40）。2、序数词的用法：（1）基数词变序数词的规则及不规则变化；（2）序数词的用法（thesecondfloor、asecondtime）。3、分数的读法,展示汇报(15),.,三位一读法：3，333，333，333,thousand,million,billion,百and十,onethousand,twohundredandsixty-five,1,265,合作研讨,十-个,确数和概数的表达：,五百,fivehundred,数百（千，百万，十亿）,hundredsthousandsmillionsbillionsof,.,基数词的读法：,2.年：二位一读法19952000,nineteenninety-five,twothousand/twentyhundred,.,.,3.公交车:,Bus(No.)11=theNo.11bus,房间：305房间,RoomThreeOFive,11路公交车,.,4.年代：20世纪70年代,inthe1970s,.,5.年龄段：,inonesforties.,在他60几岁时,inhissixties,40几岁,.,5.年龄:,sixyearsold,六岁,一个六岁的男孩,asix-year-oldboy,数字+year(s)old,.,6.次数：划线提问：,howmanytimes,一次二次三次及以上：,once,八倍,eighttimes,twice,数字+times,.,8.时间：,整点：30：30:,数字+oclock,halfpast+数字,分钟+past+几点,(60-分钟)+to+(几点+1),几点差几分,钟点+分钟,.,基数词序数词(基数词th),1.one-firsttwo-secondthree-third,2.five-fifthtwelve-twelfth,3.nine-ninth,4.整十:-ty-tiethtwenty-twentieth,5.21:twenty-one-,twenty-first,.,一、二、三，特殊记，加th从4起，八少“t”，九去“e”，“ve”要用“f”替，(five,twelve)见“y”变成“i”和“e”，词尾加上“th”，(twenty,thirty,-ninety)若是遇到几十几，只变个位就可以。,ordinalnumbers(序数词),.,（1）序数词前面加定冠词the,如：Helivesonthesecondfloor.,（2）序数词有时可与不定冠词连用，表示数量上的“又一、再一”,如：Hetriesasecondtime.,序数词的基本用法：,.,分数基数词(1)/序数词(+s),四分之一：one/afourth=onequarter四分之三：threefourths=threequarters,.,当堂检测:,Thisisabigclass,and_ofthestudentsaregirls.A.twothirdB.secondthreeC.twothirdsD.twothreeThequestionsisveryeasy,evena_childcananswerit.A.three-yearsoldB.threeyearsoldC.three-year-oldD.threeyearold3.The_manontheleftisBeckman,afamousfootballplayer.A.twoB.secondC.three4.Whichclasswonthematchintheend?Imnotsure.Maybe_did.A.ClassThirdB.ClassThreeC.thirdthreeD.Classthree,C,C,B,D,.,5.Nine_pagesabook?Thatsverygood.A.hundredofB.hundredsofC.hundredsD.hundred6.Thereare_booksinmybedroom.A.thousandsB.thousandC.thousandsofD.thousandof7-Howmanystudentsarethereinyourclass?-_.A.TwentynineB.ThirtyandtwoC.Forty-fiveD.fifties8.Theoldprofessorstillworkshardthoughheis_.A.inhissixtyB.inhissix