中考英语复习课件专题四数词

数词 数词的考点 一 基数词 序数词 二 数词的表示法 一 基数词 序数词 first second third fourth fifth sixth eighth ninth twelfth twentieth twenty first fortieth onehundredth onehundredandfifth onehundredandtwenty ninth nineteenth 基数词变序数词的口诀 一二三 要死记 四后都加th 五用f换ve 其后都加th 六七同四首规律 八少t 九去e 然后再加th 十和十一首规律 十二f换ve 然后再加th 十三起 十九止 其后都加th 整十数有规律 先将y变为ie 然后再加th 几十几 有规律 前半基数后半序 在用短横线连起 二 基数词的读法 1 百位和十位间用and连接 十位和个位间用 连接 threehundredandtwenty one 321 2 右往左数 三位一组 逗号隔开 依次是thousand 千 million 百万 billion 十亿 fourthousandthreehundredandtwenty one sevenmillion sixhundredandfiftyfourthousandthreehundredandtwenty one 7 654 321 1 987 654 321 4321 4 321 onebillionninehundredandeighty sevenmillion sixhundredandfifty fourthousandthreehundredandtwenty one 1 hundredthousand 表示具体数字 millionbillion2 hundredsthousands 表示概数 millionsbillions 三 基数词的用法 数词 several of some manyhundredsof 1 Ifa 3 b 4 what stheanswertotheproblem a 2ab 1 theansweris A twentyeightB twenty eighthC twenty eight2 Inourschoolseveral studentsareabletosearchtheInternet A hunderdofB hunderdsofC hundred 3 Many sheepwerekilledintheaccident A thousandsofB thousandC thousands4 Thereareovernine workersinthefactory but ofyoungpeoplehopetoworkinit A hundred hundredsB hundreds hundredsC hundreds hundred 月日年在2008年10月1日 四 数词的表示法 年月日 onOctorberthefirst twothousandandeight onAugusttheninth inMay twothousandandten 有日用on无日用in onOct 1st 2008 月日在8月9日 月年在2010年5月 1 Theaccidenthappenedon A April5 2001B 2001 April5C April2001 52 Iwasborn A inMarch8 1993B onJuly9 1994C onMay 1995 20世纪90年代 inthe1990s inthe1990 s 在他50多岁时 inhisfifties 四 数词的表示法 年代世纪 inthe inone s 整十基数词复数在某人几十岁时 nineteen nineties 1 Therewillbemorechancesin centurythanin century A twenty one twentyB twenty first twentiethC thetwenty first thetwentieth2 Thecitychangedalot A in1980sB inthe1980sC inthe1980 3 Hegraduatedin of century A thesixtieth twentyB sixty thetwentiethC thesixties thetwentieth4 Hegottheprize A inhisfiftiesB infiftiesC inhisfifty oneo clock tenpasttwo halfpastthree twentytofive aquarterpastfive aquartertoseven sevenfifty 表示在几点钟用介词at 四 数词的表示法 时间 1 It salready7 40now Whenwillthefilmstart Westillhavefiveminutes A AquartertosevenB Sevenpastforty fiveC Aquartertoeight 15 分子基数词分母序数词 onefifth 27 分子 1分母 s twosevenths 14 分子a分母quarter aquarter 34 threequarters 12 ahalf 四 数词的表示法 分数 1 ofthestudents boysinClassA Twothree areB Twothirds areC Twothirds is2 ofhermoney spentonclothes A Twothree areB Twothirds isC Twothird is3 theteachersinourschoolisaboutonehundred and ofthemarewomenteachers A Thenumberof twothirdB Thenumberof twothirdsC Anumberof twothirds 一个半小时两个半小时 twoandahalfhours twohoursandahalf oneandahalfhours onehourandahalf 四 数词的表示法 半的表示法 1 Theboyalwaysstaystherefor A oneandhalfhourB oneandahalfhourC oneandahalfhours2 Theoldmandrank beer A twobottlesandahalfB twoandahalfbottleC twobottleandahalf 一般编码用名词 基数词207房三年级一班第五部分第一课3号汽车第一中学 Room207ClassoneGradethreepartfive thefifthpartlessonone thefirstlessonBusNo 3 theNo 3busNo 1MiddleSchool 四 数词的表示法 编号 Thewinneris Heisan boy A eight year old eightyearsoldB eightyearsold eight year oldC eight yearsold eight year old HecametoChina A attheage