基数词和序数词专项练习题.doc
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基数词和序数词专项练习题
一、知识归纳
①基数词变序数词的规律:
口诀:基变序,有规律。
一、二、三、特殊记,词尾字母t,d,d.(如:first,second,third)。
八减t,九去e,(如:eighth,ninth),f来把ve替。(如:twelfth).
单词ty作结尾,ty变成tie(如:twentieth).
若是碰到几十几,只变个位就可以。(如:twenty-first)
②1-100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:
①写出下列词的序数词形式。
1.one???????2.two???????3.six???????4.five???????5.nine?????6.twelve????????7.eight???????8.twenty-one??????
②写出下列单词的基数词形式。
1.third????2.fourth????????3.tenth?????4.twentieth?????5.nineteenth?????6.thirty-first???_
③根据句子意思填空。
1.Children’sDay(儿童节)isonthe????????ofJune(六月).
2.Thereare??????????months(月)inayear(年).
3.Teacher’sDay(教师节)isonthe??????????ofSeptember(九月).
4.Threeplus(加)sixis????????.
④选择填空。
(??)1.Mycousin’sbirthdayinonthe????????ofOctober.???
????A.three???B.first????C.thesecond
(??)2.Whatdateisittoday?It’s???????ofApril.????
????A.?twelfth???B.the12th??C.12th
(??)3.Thereare?daysinaweek.??
????A.thesevenB.seventhC.theseventhD.seven
(??)4.Sundayisthe????????dayofaweek.?
????A.one??????B.first??????C.second
(??)5.Twenty-eightminus(减)sixis????.??
????A.thetwenty-second??B.twenty-two?C.twenty-second
(??)6.Fourplus(加)?????istwelve.?????
????A.seven???B.eight?????C.nine