基数词和序数词专项练习题

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序数词,数词,练习题,专项
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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。

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1. Children’s Day(儿童节) is on the of June(六月).

2. There are months(月)in a year(年). 3. Teacher’s Day(教师节) is on the of September(九月).

4. Three plus(加) six is . ④选择填空。

( )1. My cousin’s birthday in on the of October.

A. three B. first C. the second ( )2. What date is it today? It’s of April.

A. twelfth B. the 12th C. 12th ( )3. There are days in a week.

A. the seven B. seventh C. the seventh D. seven

( )4.Sunday is the day of a week. A. one B. first C. second ( )5. Twenty-eight minus(减)six is .

A. the twenty- second B. twenty-two C. twenty- second

( )6. Four plus(加) is twelve. A. seven B. eight C. nine



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