初升高英语衔接-数词.doc

《初升高英语衔接-数词.doc》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、初升高衔接数词表示数目多少或顺序多少的词叫数词，数词分为基数词和序数词。表示数目多少的数词叫基数词；表示顺序的数词叫序数词。一、基数词1.基数词写法和读法：345　threehundredandforty-five；2.基数词一般是单数形式，但下列情况，常用复数：1.)表示一个具体数字时，hundred,thousand,million一律不用复数；在表示一个不确定数字时则用复数。例如：Ourcountryhasapopulationof1,300millionpeople.Therearethreethousandstudentsinourschool.2.)表示"几十岁

2、"；inhisfortiesHeisinhisearlythirties．Hediedstillinhisforties．3.)表示"年代"，用in+the+数词复数；inthe1980s/1980’sThistookplaceinthe1930s．二、序数词1.)序数词的不规则变化及缩写形式：first---1st　second---2nd　third—3rdfifth—5thninthtwelfthtwentiethtwenty-first----21st2.)序数词前通常使用定冠词the，但有时使用不定冠词a,an,表示“又一，再一”Tryitagain,please

3、.请再试一次。We'llhavetodoitasecondtime．ShallIaskhimathirdtime？三、数词的用法1.倍数表示法1.)主语+谓语+倍数（或分数）+as+adj.+asIhavethreetimesasmanyasyou.　我有你三倍那么多。2.)主语+谓语+倍数（分数）+thesize(amount，length…)of…Theearthis49timesthesizeofthemoon.　地球是月球的49倍。3.)主语+谓语+倍数（分数）+形容词（副词）比较级+than…Thegrainoutputis8percenthigherthisye

4、arthanthatoflastyear.今年比去年粮食产量增加8%。4.)还可以用by+倍数，表示增加多少倍Theproductionofgrainhasbeenincreasedbyfourtimesthisyear.今年粮食产量增加了4倍。2.分数表示法：基数词代表分子，序数词代表分母。分子大于1时，分子的序数词用单数，分母序数词用复数：1/3---one-third；2/3---twothirds.一．词性转换1.MyfriendJimmylivesonthe________floor,onefloorhigherthanI.(nine)2.Theladylooks

5、quiteyoung,maybeinher_________.(twenty)3.Let’stalkaboutthepresentswe’regoingtogivetoGrandpaforher________birthday.(ninety)4.Theenvironmentisgettingbetterandbetterand________ofbirdscomebacktotheforest.(million)5.HowmanytimeshaveyoubeentotheGreatWall?________.(one)6.________ofthenewspaperspu

6、blishedinShanghaiareinforeignlanguage.(2/5)7.I’veread____piecesofsportsnewsaboutthe15thDohaAsianGames.(twelfth)8.Whichisthe__biggestcontinentintheworld?(two)9.IlikeTokyoverymuch.Ihavebeentothiscity________sincelastfiveyears.(two)10.TheFrenchartistsaid,“It’smy________timetovisitShanghai.Ilo

7、vethiscitysomuch.”(five)二、选择题1.Wetook_____tofinishthework.A.oneandahalfhourB.oneandahalfhoursC.onehourandonehalfhourD.oneandhalfhours2.Wewillhavethenextmeeting_____.A.intwoweek’stimeB.aftertwoweekstimeC.intwoweeks’timeD.aftertwoweeks’time3.About_____thestudent