数词

中考词性四数词数词的分类1.基数词：（表示数目多少的数词）2.序数词：（表示顺序先后的词）Readoutthefollowingnumbers:•1----20•32435566•778899102Onetwothreefourfivesixseveneightnineteneleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteentwentythirty-twoforty-threefifty-fivesixty-sixSeventy-seveneighty-eightninety-nineonehundredandtwo•365•425•659•1,365••2,236,231•36,322,125,545Readoutthefollowingnumbers:threehundredandsixty-fivefourhundredandtwenty-fivesixhundredandfifty-nineonethousandthreehundredandsixty-fivetwomilliontwohundredandthirty-sixthousandtwohundredandthirty-onethirty-sixbillionthreehundredandtwenty-twomilliononehundredandtwenty-fivethousandfivehundredandforty-fiveReadtheyearsbelow:•1976•1857•1903•1645•2004•2011nineteenseventy-sixeighteenfifty-sevennineteenothreesixteenforty-fivetwothousandandfourtwothousandandelevenReadthetimes:7:128:309:1510:208:4511:352:553:00直译法倒读法Seventwelveeightthirtyninefifteententwentyeightforty-fiveeleventhirty-fivetwofifty-fivethreeo’clocktwelvepastseventhirty\halfpasteightfifteen\aquarterpastninetwentypasttenfifteen\aquartertoninetwenty-fivetotwelvefivetothree编号的表达•三班：•五号房：•第10课：•第100页：ClassThreeRoomFiveLessonTenPage100具体数量和不明确数量的表达：•表准确数目时，hundred,thousand,million都不用复数，如：twothousand；表示不准确数目时，hundred,thousand,million的复数形式与of连用，如：hundredsofworkers(数百工人)•Thereareabout16millionpeopleinthecity．•Millionsofpeoplelosttheirlivesintheearthquake．小数和百分比的表达法：•1.36•0.1236•6.3•50%•70%•43.2%onepointthreesixZeropointonetwothreesixSixpointthreefiftypercentSeventypercentForty-threepointtwopercent其它词组的表达：•19世纪20年代•20世纪70年代•在某人三十岁时Inthe1820sInthe1970sinone’sthirties把下列基数词改为序数词：onetennineteentwoeleventhreetwelvetwentyfourthirteenfivefourteenfortysixfifteensevensixteenforty-oneeightseventeennineeighteenfifty-fourfirstsecondthirdfourthfifthsixthSeventhEighthninthtentheleventhtwelfththirteenthfourteenthfifteenthsixteenthSeventeentheighteenthnineteenthtwentiethfortiethforty-firstfifty-fourthReadthedates•2010年6月1日•1982年3月12日•9月3日•10月5日June(the)first,2010March(the)twelfth,1982September(the)thirdOctober(the)fifth分数的表达法•1/5•1/2•2/3•542OnefifthahalfSecondthirdsTwoandfourfifths序数词前常用定冠词“the”，但以下几种情况不用the：（1）序数词前有物主代词或名词的所有格时，序数词前不用the，如：Lily’ssecondpen.（2）序数词的意义为“另一，再一”时，序数词前不用the,常用a/an，如：You’dbettertryasecondtime．你最好再试一次。（3）谈论考试、比赛获得的名次时，序数词前常不用the，如：Whowassecondinthehighjump?跳高谁第二名？（4）序数词与名词构成复合形容词时；如：Thisisasecond—handbookstore．这是一个卖旧书的书店。（5）用于固定搭配；•firstofall首先•take/win/get/gainfirstplace获得冠军•comeoutfirst获得第一名•atfirst当初•fromfirsttolast从头到尾•everythirdday每两天；每隔一天真题解析（）1．About________oftheworkersinthefactorywereborninthe________．A．two—thirds,1970B．two—thirds,1970sC．two—third,1970D．two—third,1970s【解析】考查分数和年代的表示方法。2/3应该是two—thirds，二十世纪七十年代应该表示为1970s。（）2．Eachofushastowriteareporteverytwoweeks．A．two—hundred—wordB．two—hundreds—wordC．two—hundreds—wordsD．two—hundred—words【解析】考查的是数字和名词合成形容词的情况，中间要加入连接符号，而且名词后面不能加ｓ。句意为：每两个星期我们每个人必须写一篇２００字的报告。two—hundred—words表示“２００个字的”之意，而且两百是确数，hundred后不能加ｓ。BA（）3．Morethantwo________yearsago,peopleknewlittleabouttheuniverse．A．thousandsB．thousandC．thousandofD．thousandsof【解析】句意为：两千多年以前，人们知道很少关于宇宙的知识。单位“thousand”前有一个具体的数“two”，所以不能加ｓ和of。（）4．—HowlongwillPhilipstayhere?—Two______weekstillhelives．A．manyB．muchC．moreD．most【解析】Twomoreweeks表示两个多星期，其他都不能表示此意，而且也不能放在数词之后，所以正确答案是C。（）5．Todayismymother’s_____birthday．Iwillbuyheragift．A．fourteenB．fourteenthC．fortyD．fortieth【解析】句意为：今天是我妈妈第四十个生日。所以应该用序数词，fourteenth虽然语法形式对，但是不符和逻辑，妈妈不可能十四岁，正确答案是fortieth。BCD（）6．—WheredoesJohnlive?—Heliveson___floorbuthedoesn’tusealifttogoupanddown．A．nineB．theninthC．ninthD．aninth【解析】句意为：他住在第九层，但是他不用电梯上下。“第九层”应用序数词，前面要加定冠词the,所以正确答案是theninth。（）7．—Howwasyourdayoffyesterday?—Perfect!Itwas______birthdayofmygrandma’s．Wehadabigfamilycelebration．A．eightyB．theeightiethC．eightiethD．eightyth【解析】这题主要考查序数词eightieth“第八十”的写法，应该变y为ie再加th，前面还加上定冠词the．BB（）8．—Therearesixtystudentsinourclass．And______ofusareboys．—Wow!Youhavefortygirls!A．onefourthB．onethirdC．twofifthsD．twothirds【解析】这题考查分数的表示，而且还考查了大家的推断能力。四个选项分数的表达都没有错误。句意为：我班有六十个学生，1/3的是男生。哇！你们有四十个女孩！要找到正确答案，关键是看最后一句话，四十占了2/3，很显然男生应该是onethird。B（）9．—Goodnews!Billwon__medalinthelongjumpjustnow．—Really?That’shis_______oneatoursportsmeeting．A．a：fourB．an；fourthC．a；fourthD．a；thefourth【解析】前面一空很快就可知道填a，后面应该用序数词fourth，因为已经有了一个代词his了，所以不用加定冠词the。正确答案是C。（）10．Anewstudyprovesa_________walkeverydayisenoughtokeeppeopleawayfrombecomingfat．A．30—minuteB．30minute’sC．30—minutesD．30minutes【解析】30—minute合成一个形容词，意思是“三十分钟的”，用来修饰walk；B项minute没有用复数形式；D项不能用来做形容词修饰walk。符合题意和语法规则的只有Ａ项。CA课堂小练1.Isthereanyfoodforus____?A.tenB.tenthC.thetenthD.theten2.Thebikecostme________yuan.A．fivehundredfortyB．fivehundredsfourtyC．fivehundredandfortyD．fivehundredfourty3.“Whichlessonareyoustudyingnow?”--“________”．A.ThelessonsixB.SixthlessonC.LessonsixD.Lessonsixth4.Thehaswrittena____composition．A．three-hundred-wordB．threehundredwordsC．threehundredswordsD．threehundredsword5.Shewasbornon________．A．1986,March9B．March9,1986C．1986,9MarchD．Marchnine,1986ACCAB1.Wehavefinishedreading____units.A．thefirsttwoB．firsttwoC．thesecondD．twofirst2.Mytelephonenumberis____．A．eig