搜索
基变序专练一．基数词。1.写数字1-12__________________________________________________________________________________________________________________________________________2.写数字13-19_____________________________________________________________________3.写整十。20__________________30___________________40___________________50___________________60___________________70___________________80___________________90___________________100___________________4.写出下列数字。21___________________32___________________43___________________54___________________65___________________76___________________87___________________98___________________101__________________210___________________________375__________________________________二．序数词。序数词用于表示事物的顺序，一般由与之相应的基数词加th构成(但有特殊形式需特别记忆)；序数词主要用作定语，前面一般要加定冠词(或物主代词)。如：Theirsecondsonisadoctor.他们的二儿子是个博士。Ilikethefirstmovie.我喜欢第一部电影。1.基数词变序数词。其规律为：1）.一，二，三，特别记,词尾字母tdd,然后再加th,(1st___________,2nd___________,3rd___________4th_____________)2）.八去t，九去e，f要把ve替，然后再加th,(8th____________,9th______________)3）整十变化需注意，把y要变成ie，然后再加th(5th___________,12th____________,20th_____________,30th________________90th__________________)4).若是遇到几十几，只变个位就可以(21st___________________32nd______________________43rd______________________54th______________________)2.写出下列序数词。1st___________________2nd___________________3rd___________________4th___________________5th___________________6th___________________7th___________________8th___________________9th___________________10th___________________11th___________________12th___________________13th___________________14th___________________15th___________________16th___________________17th___________________18th___________________19th___________________3.写出下列序数词。20th___________________30th___________________40th___________________50th___________________60th___________________70th___________________80th___________________90th___________________100th___________________4.写出系列序数词。21st_____________________________22nd____________________________23rd_____________________________31st_____________________________32nd____________________________33rd____________________________43rd_____________________________54th____________________________65th_____________________________76th____________________________87th_____________________________98th____________________________三．选择题。()1.Therearesome_____inourclassroom.A.hundredofbooksB.thehundredsofbooksC.hundredsofbooksD.hundredofbook()2.Ihavebeentothevillage________.A.ahundredtimeB.hundredtimesC.hundredsoftimesD.hundredoftimes()3.Thereare____studentsinourschool.A.four—hundredandforty—fiveB.fourhundredandforty—fiveC.fourhundredsandforty—fiveD.fourhundredandfortyfive()4.Theteachertoldmetogoover_____lessons.A.firstthreeB.thethreefirstC.threethefirstD.thefirstthree()5.Mayis____ofayear.A.thefifthmonthsB.thefifthmonthC.thefivemonthsD.thefivemonth()6.Welivein______.A.thetwenty-firstcenturyB.thecenturytwenty-oneC.centurytwenty-oneD.thecenturytwenty-first()7.IsSundaythe____dayoftheweek?A.aB.oneC.onceD.first()8.Marchthe_____isWomen’sDay.A.eighthB.ninthC.tenthD.eight()9.Septemberisthe_____monthoftheyear.A.ninethB.ninthC.nineD.thetwelveth()10.Decemberthe____isChristmas.A.twenty-fiveB.twenty-fifthC.twentieth-fiveD.twenty-five()11.AnotherwayofsayingLesson12is__________.A.Lessonten-twoB.LessonTen-secondC.theTwelfthLessonD.Twelfthlesson四．填空题。1.--What_______________isittoday?–It’sSunday.2.--What_______________isittoday?–It’sDecemberthetwenty-first.3.--What________________isitnow?--It’s4p.m...4.--_____________isyourbirthday?–It’s_______Julythefirst./It’s_______July.5.--______________________your___________?–I’m11yearsold.6.Heis12yearsold.Soheisa_______________boy.7.我出生于2002年。I__________________________2002.