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1、Warmingup:Unit4基础提高与扩展Contents基数词:表示数量的词Page1Warminggpup数词分类：fivesixthirtyeightyfive,six,thirty,eighty-onePage2数词的基本知识序数词:表示顺序的词Page3考点解析first,fifteenth,twentiethPage4Page4学习总结1-12特殊记：13-19有规律：一般以teen结尾整十有礼加ty:thirty,forty,sixty...ninety百以上读法：百以上写法：三明两暗（hundred,th
2、ousand,million,billion,dozen…的用法）序数词表达法基变序口诀：一二三特殊记，8去t，9去e,ve要用f替,见y变成i和e，词尾1.前有数字后无s和of加上th，若是遇上几十几，只变个位就可以2.前无数字后有s和of表示“成...上...”3.前有数字且后面被修饰的名词前有the时后无s有of;first,second,third,eighth,ninth,fifth,twentieth,thirty-first1.several当数字用:severalthousandpeople,序数词缩写：2
3、.Many后接其复数形式manythousandsofpeople阿拉伯数字+后两个字母first—1st,second—2nd，sixtieth--60th1EXERCISESExercises1.Thereareseveral________studentsontheppyglaygroundnow.119851.1985年3月21日（美式表达）A.thousandB.hundredsC.millionsofD.thousands2.6:45(顺读法和逆读法表达）2.Thisisour(第五次）_____lesson.
4、3.12:18(顺读法和逆读法表达A.fiveB.fivethC.fifthD.fivth3.66,333,888读作________________.4.在他五十多岁时5.在九十年代A:时间表达法6.在十八世纪七十年代B:时刻表达法数词基本用法C:年代表达法D:年龄表达法分数表达法：口诀：时间和距离的数量表达分子基，分母序，1.数量+时间/距离的所有格+名词：分子大于1，threedays’rest分母加“s”fourhundredmeters’walk小数表达法：aweek’sholiday2.上面的表达形式可转化成“
5、-”连接作定语的形式：如百分数表达：a3-dtdayresta400-meterwalkaoneaone-weekholidayweekholiday2中考链接4.Enshiisbecomingatouristcity._________peoplecomehereduringtheholidayseveryyear.（09恩施）1.—HaveHaveyouseentheCCTVnewsonTV?youseentheCCTVnewsonTV?A.ThousandofB.Thousandsof—Yes,______child
6、renhadagoodfestivalonthe_______Children’sDay.C.FivethousandsofD.Fivethousands（09黄冈）A.millionsof;sixtyB.tenmillion;sixtyC.millionsof;sixtiethD.tenmillions;sixtieth5.---Doyouknowtheboy_________issittingnexttoPeter?---Yes．HeisPeter’sfriend.Theyarecelebrating2.Because
7、ofProjectHope,_______childrenhavebetterlives.(2010·天津市)his______birthday.（09深圳）AthA.thousanddBthB.thousanddsCthC.thousanddofDthD.thousanddsofAwhoninthA.who,ninthBthatB.that,ninethC/C,/,ninethDwhichninthD.which,ninth3.—Goodnews!Billwon____medalinthelongjumpjustnow．
8、6.–Zhanjiangisreallyabeautifulcity,isn’tit?—Really?That’shis_______oneatoursportsmeeting．–Yes,_________travelersliketocomehereforavisit.（09湛江）(09哈尔滨)A.t
