基数词和序数词专项练习题(3页).doc
-第 1 页基数词和序数词专项练习题-第 2 页基数词和序数词专项练习题一、知识归纳基数词变序数词的规律:口诀:基变序,有规律口诀:基变序,有规律。一、二、三、特殊记,词尾字母一、二、三、特殊记,词尾字母 t,d,d.t,d,d.(如:如:first,first,second,second,third)third)。八减八减 t,t,九去九去 e,e,(如:(如:eighth,eighth,ninthninth),f f 来把来把 veve 替。(如:替。(如:twelfthtwelfth).单词单词 tyty 作结尾,作结尾,tyty 变成变成 tie(tie(如:如:twentieth).twentieth).若是碰到几十几,只变个位就可以。(如:若是碰到几十几,只变个位就可以。(如:twenty-firsttwenty-first)1-100 的序数词:1st-first;2nd-second;3rd-third;4th-fourth;5th-fifth;6th-sixth;7th-seventh;8th-eighth;9th-ninth;10th-tenth;11th-eleventh;12th-twelfth;20th-twentieth;21st-twenty-first;22nd-twenty-second;29th-twenty-ninth;30th-thirtieth;31st-thirty-first;40th-fortieth;50th-fiftieth;60th-sixtieth;70th-seventieth;80th-eightieth;90th-ninetieth;100th-hundredth二、巩固练习:写出下列词的序数词形式。1.one2.two3.six4.five5.nine6.twelve7.eight8.twenty-one写出下列单词的基数词形式。1.third2.fourth3.tenth4.twentieth5.nineteenth6.thirty-first_根据句子意思填空。1.Childrens Day(儿童节)is on theof June(六月).2.There aremonths(月)in a year(年).-第 3 页3.Teachers Day(教师节)is on theof September(九月).4.Three plus(加)six is.选择填空。()1.My cousins birthday in on theofOctober.A.threeB.firstC.the second()2.What date is it today?Itsof April.A.twelfthB.the 12thC.12th()3.There aredays in a week.A.the sevenB.seventhC.the seventhD.seven()4.Sunday is theday of a week.A.oneB.firstC.second()5.Twenty-eight minus(减)six is.A.the twenty-secondB.twenty-twoC.twenty-second()6.Four plus(加)is twelve.A.sevenB.eightC.nine