2016语法-数词

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高考复习数词1.基数词1)1~12one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve单独记2)13~19thirteen,fourteen,fifteen,sixteen,seventeen,eighteen,nineteen词尾为-teen3)20~90twenty,thirty,forty,fifty,...逢整十词尾为-ty4)21~99在十位数和个位数之间加连字符构成,如:73seventy-three,88eighty-eight5)101~999先说几百,再加and,再加末尾两位数,如:178onehundredandseventy-eight6)1000以上的数词先从后向前数,每三位用一个数逗点“,”隔开。第一个“,”是thousand千,第二个“,”是million百万,第三个“,”是billion美语中的十亿(英国用thousandmillion),然后一节一节地用几百几十几的方法来数。2.序数词1)第一至第十九其中,one—first,two—second,three—third,five—fifth,eight—eighth,nine—ninth,twelve—twelfth为特殊形式,其它的序数词都是由其相对应的基数词后面添加“th”构成。例如:six—sixth、nineteen—nineteenth.2)第二十至第九十整数第几十的形式由其对应的基数词改变结尾字母y为i,再加“eth”构成。twenty——twentieththirty——thirtieth表示第几十几时,用几十的基数词形式加上连字符“-”和个位序数词形式一起表示。thirty-first第三十一fifty-sixth第五十六seventy-third第七十三ninety-ninth第九十九记忆口诀,基数词变为序数词一二三要单独记:one-first,two-second,three-thirdth要从四加起:four-fourth,five-fifth,...eight少个t:eight-eighthnine去掉e:nine-ninthve用f来代替:five-fifth,twelve-twelfthty变成tie:twenty-twentieth表第“几十几”,基数加序数记心里:twenty-one→twenty-first3、用法:1)分数表示法:基数词作分子,序数词作分母,分子大于“1”,分母加s。3/41/324/2531/41/21/411/21¼2)百分数表示法:百分数用基数+percent表示50%3%0.12%threefourths或threequartersonethirdtwenty-fourtwenty-fifthsthreeandonefourth或threeandonequarterahalfoneandahalfonequarter或aquarteroneandaquarterfiftypercentthreepercentzeropointonetwopercent3)表示“在某人…十几岁时”inone'stwenties(thirties)在某人二十(三十)几岁时4)用定冠词修饰表示“…年代”inthe1840's/the1840sinthe1980s/the1980’s5)表示顺序19世纪40年代20世纪80年代thefirstlesson——LessonOnethefifthpage——Page5(five)thetwenty-firstroom——Room21(twenty-one)6)时刻表示法a.表示几点钟用基数词加可以省略的o’clock5:00读作atfiveo’clock或fiveb.表示几点过几分,在分钟后加past,再加小时fivepastseven七点过五分halfpastsix六点半aquarterpasteight八点过一刻sevenpasteight八点过七分c.表示几点差几分,在分钟后面加to,再加小时tentoeight八点差十分(七点五十分)aquartertotwelve十二点差一刻(十一点四十五分)twentytosix六点差二十分(五点四十分)在日常生活中,常用下列简单方法表示时间。以小时、分钟为单位分别读出数字。6:31读作sixthirty-one10:26读作tentwenty-six14:03读作fourteenothree16:15读作sixteenfifteen18:30读作eighteenthirty23:55读作twenty-threefifty-five7).年月日表示法五月五日May5(读作Mayfifth)也可以表示为thefifth(5th)ofMay三月一日Mar.1(st)(读作Marchfirst或thefirstofMarch)1990年10月29日onOctober29,1990(读作onOctoberthetwenty-ninth,nineteenninety)1949年10月1日onOctober1,1949(读作onOctoberthefirst,nineteenforty-nine)Consolidation一、将下列数字写成英语:1.6252.8,9613.10,0004.20,4055.1/36.5/67.65%8.1.251.sixhundredandtwenty-five2.eightthousandninehundredandsixty-one3.tenthousand4.twentythousandfourhundredandfive5.onethird(athird)6.fivesixths7.sixty-fivepercent8.onepointtwofive二、选择填空。1.Marchis________monthoftheyear.A.athreeB.thethirdC.athird2.Wewillhaveameetingat8:05_______.A.fivetoeightB.eightfiveC.eighttofive3.Eightpluseightis______________.A.sixteenB.sixty-fourC.one4.Heisan______________boy.A.eightyearsB.eight-year-oldC.eight-years-old5.Wewillhavea___________walk.A.tenminutesB.tenminutes’C.ten-minutes6.Thewallis___________.A.fourmeterslongB.fourmeterlongC.four-meterlong7.What’sthedatetoday?It’s__________.A.MarchtheeightB.MarcheighthC.eight,March8.Ithappenedinthe1040’s.A.inthefortiesoftheeleventhcentury.B.inthefortiesofthetenthcentury.C.intheforty9.About_____________oftheearth’ssurfaceiscoveredwithwater.A.three-foursB.three-fourthC.three-fourths10.Hewentdowntothevillagewhichwas__________milesawayfromthecity.A.threehundredsB.threehundredC.threehundredsof

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