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1、数词学习目标与要求:掌握数词的基本用法数词的概念:数词是用于表示数目多少或顺序先后的词。主要可分为:________词和________词。数词在句子中的作用相当于名词和形容词,在句子中可作主语、宾语、表语、定语等考点一:基数词、序数词的变化形式1、请观察下例表格,并在空白处填上相应的序数:one-eleven-eleventh/11ththirty-归纳:记忆技巧基变序,有规律,词尾加上______;(fourth,sixth)一、二、三,特殊记,结尾字母st,nd,rd;(first,second,th
2、ird)八____,九去___,(eighth,ninth)ve要用____替;(fifth,twelfth)ty将y改成____,再加th,若是碰到几十几,只要变个位就可以。two-twelve-forty-three-thirteen-fifty-four-fourth/4thfourteen-fourteenth/14thsixty-sixtieth/60thfive-fifteen-seventy-eventieth/70thsix-sixteen-sixteenth/16theighty-eigh
3、tieth/80thseven-seventh/7thseventeen-seventeenth/17thninety-ninetieth/90theight-eighteen-eighteenth/18thhundred-nine-nineteen-nineteenth19thtwenty-one–ten-tenth/10thtwenty-twentieth/20ththirty-three-2、再次观察表格归纳:1)基数词13-19,由后缀________构成,注意:thirteen,_________
4、__,_________有变化;2)基数词20-90等整十位数,由后缀________构成,注意:thirty,__________,________,__________有变化。【中考真题再现】()1.Thereare______daysinaweek.(海淀区)A.thesevenB.seventhC.theseventhD.seven()2.Decemberisthe______monthinayear.(吉林)A.twentyB.twelveC.twelfthD.twentieth考点二:基数词的读
5、法(1)百位数以上的基数词的写法是:在个位数和十位数之间加连字符号“-“,在百位数和十位数之间一般要用连词“and”,千、百之间不加任何东西。Eg:5,991,892,725fivebillion,ninehundredandninety-onemillion,eighthundredandninety-twothousand,sevenhundredandtwenty-five.4,759_______________________________(2)英语中没有“万”的单词,要用thousand来表示
6、,eg:10万_______________(3)hundred_________,thousand千,million_________,billion__________的用法:1)前面有具体的数字时,这几个单词一律用_______形式,eg:500five__________2)当表示一个不确定的数字时,要在这几个单词后加_____,并且要和介词______连用,构成词组,表示一个概数。Eg:数以百万计的_____________________【中考真题再现】()1.---Canyouwritethe
7、numbereighty-fivethousand,sixhundredandtwenty-six?---Yes,itis.___________.(江西)A.85662B.85626C.58662D.58626()2.Itisreportedthat______peopleintheworldaresufferingfromtheH1N1flu.(泰安市)A.tenthousandsB.thousandsC.thousandsof考点三:编号的表示法名词+基数词(此时名词和数词的第一个字母要大写)=the
8、+序数词+名词Eg:1)LessonOne=______________第一课2)thesecondpage=_____________第二页【注意】如果数字较大时,特别是房间、页码、公交车号、电话号码等,多用“名词+基数词”形式。【中考真题再现】()1.–ThereisawrongwordinLine_____.–Where?–Inthe_______line.(孝感市)A.Two;twoB.Second;tw