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数词专项复习英语中的数词包括基数词和序数词两大类,为了便于同学们系统地复习数词,现就小学阶段数词的主要内容作以下归纳。一、基本构成(一)基数词(表示几)1.1—12的基数词是独立的单词,即:one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve。2.13—19的基数词以-teen结尾,但13,15,18较特殊,13—thirteen15—fifteen18—eighteen。3.20—90的整十位均以-ty结尾。但20,30,40,50,80较特殊,20—twenty,30—thirty,40—forty,50—fifty,80—eighty。4.十位数与个位数之间要加连字符号“-”,如:28twenty-eight,96ninety-six。5.百位和十位(若无十位则和个位)之间加and,如:148—onehundredandforty-eight,406—fourhundredandsix。6.hundred(百),thousand(千),等前面即使有具体的数词,也不能在它们的后面加s。如:600—sixhundred,(二)序数词——由基数词转变而来,表示“这是第几个”1.口诀巧记基数词变序数词:“一、二、三,特殊记,(第一first第二second第三third)八去“t”,九去“e”,(eight—eighthnine—ninth)“ve”要用“f”替,(five—fifth,twelve—twelfth)见y变成i和e,词尾加上th(twenty—twentieth,forty—fortieth)若是遇到几十几,只变个位就可以。(twenty-five—twenty-fifth)2.其余情况均在基数词后加th3.序数词有时用缩写形式:First缩写1st,twenty—second缩写22th.二、基本用法(一)基数词的基本用法用基数词来修饰可数名词时,一定别忘了用该名词的复数形式。如:十八个男孩eighteenboys(二)序数词的基本用法1.序数词前面一般要加定冠词the(或物主代词):Autumnisthethirdseasoninayear.2.如果数字较长,序数词总避免使用,而且读的方法也常常简化:第201房间:Room201第319页:page3193.在谈编了号的东西时,我们可以用基数词表示顺序:thefirstpart------partone三、特殊数字的表示法(一)年月日表示法1.年代前用in.(in)1905读作(in)nineteenandfive(in)1800读作(in)eighteenhundred2.月份开头第一个字母须大写,表示“在某月”时,月份前面用in。(in)JanuaryJan.(in)MarchMar.(in)DecemberDec.3.日期用序数词(前需要加the)表示;“在某日”,前面用介词on.(on)Octoberthefirst4.某年某月某日inSep.1954onOct.1,1949(读作onOctoberthefirst,nineteenforty-nine)(二)时刻表示法1.在具体时刻前通常用at。如:(at)sixorsixo’clock2.如说几点几分,常将时和分钟分别读出来,如:7:40读作sevenforty注:上午可以用am表示,下午用pm表示,例如:9.50am11.05pm(三)一些数学加减的读法:3+8=11threepluseightiseleven.9-7=2nineminussevenistwo.专项练习题一、英汉互译第六课_______________20个鸡蛋______________6月2日_______________onMarch20,2004__________seventhirty________96把椅子___________No.5MiddleSchool________6:40________________fourtimes___________二、把下列基数词改成序数词。one______two______three______nine______fourteen______twenty______thirty-five______five______eight______twelve______forty-one三、选择题1.Wearegoingtolearn_____thisterm.A.booksixB.sixbookC.thebooksixD.BookSix2.Jennywasborn(出生)__________.A.onJuly10,1987B.inJuly10,1987C.in1987,July10D.on19873.Autumnis_____seasoninayear.A.thefourthB.thethirdC.athirdD.thethreeth4.Thereare_______daysinayear.A.threehundredssixty-fiveB.threehundredsandsixty-fiveC.threehundredsixty-fiveD.threehundredandsixty-five5.Thereare_______studentsinourschool.A.eighthundredsandforty-sixB.eighthundredandforty-sixC.eighthundredforty-six6.Mybrotherisin______.A.ThreeClass,OneGradeB.ClassThree,GradeOneC.GradeOne,ClassThreeD.classthree,gradeone7.Pleaseturnto________.Let’sreadthetext.A.PagetwoB.thepagetwoC.secondpageD.pagesecond8.Dannylivesin__________.A.room404B.Room404C.404roomD.404Room9.—What’sthedatetoday?—___________A.It’sSaturdayB.It’sJulyC.It’sfineD.It’sJuly1510.—Whattimedoyougetupeveryday?A.It’sseveno’clockB.Seveno’clocktimeC.AtsevenD.Onseven11.Myhomeisaboutawayfromtheschool.A.threehundredmetreB.threehundredsmetresC.threehundredmetresD.threehundredmetre12.Wearelearningnow.A.thetwenty-firstlessonB.LessonTwenty-firstC.the21thlessonD.Lesson21st13.Thisisherbirthday,Ithink.A.twentyB.twentiethC.thetwentiethD.thetwenty’s14.SeptemberisTeachers’Day.A.thetenBthetenthC.theten’s15.Mygrandmotheris_____old.A.seventiethB.seventyyearC.seventyyearsD.seventies16.Mondayisthesecondday,and________.A.TuesdayisthefourthB.ThursdayisfifthC.theseconddayisTuesdayD.theseconddayisThursday17.Thereare________monthsinayear.Decemberisthe________monthoftheyear.A.twelve;twelveB.twelve;twelfthC.twelfth;twelveD.twelve;twelveth18.What’sthedatetoday?Itis________.A.FridayB.timetogoC.cloudyD.June4th19.Whatisfiveandeight?A.TwelveB.ThirteenC.FourteenD.Fifteen四、根据句意和有关常识,用英文数词填空。1.Fifty-oneplusthirty-eightis___________.2.Thereare______________daysinaweek(星期)。3.Wis__________________letterinthealphabet(字母表).4.Thirtydividedby(除以)fiveis____________5、Billis(14)yearsold,heisinClass(2)Grade(6).6、Mybirthdayisonthe(3)ofMarch.7、Septemberisthe(9)monthinayear.8、Whichboyisthinner,the(1)oneorthe(2)one?9、Thereare(55)studentsinourclass.10.Wehave_______(12)monthsinayear.Decemberisthe_________(12)one.11.Thisismy________(1)bag.12.MybirthdayisDec.________(21).13.Ihave________(3)books.Ilikemy________(3)book.
本文标题:六年级英语数词专项复习-(精心整理的)
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