基数词序数词
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一，基数词！ 1、第一类： 一、基数词 下面把100以内的基数词分为四类。 one 一 two 二 three 三 four 四 2、第二类： thirteen 十三 fourteen 十四 fifteen 十五 3、第三类： twenty 二十 thirty 三十 forty 四十 4、第四类： twenty-one 二十一 forty-six 四十六 seventy-eight 七十八 ninety-five 九十五 二、序数词 下面把1－99的序数词也分为四个类。 1、第一类 first (1st) 第一 各类与此相同。） 2、第二类： fourth (4th) 第四 fifth (5th) 第五 sixth (6th) 第六 seventh (7th) 第七 eighth (8th) 第八 ninth (9th) 第九 3、第三类： twentieth (20th) 第二十 thirtieth (30th) 第三十 fortieth (40th) 第四十 4、第四类： thirty-first (31th) 第三十一 fiftieth (50th) 第五十 sixtieth (60th) 第六十 seventieth (70th) 第七十 eightieth (80th) 第八十 ninetieth (90th) 第九十 tenth (10th) 第十 eleventh (11th) 第十一 twelfth (12th) 第十二 thirteenth (13th) 第十三 fourteenth (14th) 第十四 fifteenth (15th) 第十五 sixteenth (16th) 第十六 seventeenth (17th) 第十七 eighteenth (18th) 第十八 nineteenth (19th) 第十九 second (2nd) 第二 third (3rd) 第三 （在括号里的是缩写形式，均在阿拉伯数字后面加上相应序数词的最后两个字母构成，以下fifty 五十 sixty 六十 seventy 七十 eighty 八十 ninety 九十 sixteen 十六 seventeen 十七 eighteen 十八 nineteen 十九 five 五 six 六 seven 七 eight 八 nine 九 ten 十 eleven 十一 twelve 十二 这一类序数词共有十六个。均在相应的基数词后面加上后缀－th构成。 先将相应的十位整数的基数词词尾－ty中的y改成i，然后在加上后缀－eth。 sixty-second (62nd) 第六十二 eighty-seventh (87th) 第八十七 ninety-eighth (98th) 第九十八 把个位上的基数词变成序数词就行了。 I. Choose the best answer ( )1. Please turn to ______. A. Page 11 B. the 11st page C. page 11 D. page the 11 th ( )2. At night we can see ______ stars in the sky. A. thousands and thousands of B. thousand and thousands of C. a thousand and thousands D. thousand and thousand ( )3. There are some _____ in our classroom. A. hundred of books B. the hundreds of books C. hundreds of books D. hundred of book ( )4. I have been to the village ________. A. a hundred time B. hundred times C. hundreds of times D. hundred of times ( )5. There are ____ students in our school. A. four—hundred and forty—five B. four hundred and forty—five C. four hundreds and forty—five D. four hundred and forty five ( )6. The teacher told me to go over _____ lessons. A. thirst three B. the three first C. three the first D. the first three ( )7. May is ____ of a year. A. the fifth months B. the fifth month C. the five months D. the five month ( )8. We live in ______. A. the twenty-first century B. the century twenty-one C. century twenty-one D. the century twenty-first ( )9. He said he was going to be free in _______. A. one and a half hour B. one hour and half C. one and half hours D. an hour and a half ( )10. ---How many English books are there on the table? ---There is only _____English book on it. A. a B. an C. one D. the ( )11. Mr Smith stayed in _____ last night. A. Room 403 B. the Room 403 C. the 403 room D. 403 the room ( )12. The road is _________. A. two thousand and five hundred metres long B. two thousands metres long C. long one thousand five hundred metre D. a thousand and five hundreds metres long ( )13. He joined the army on ______ of May 1980. A. 1 st B. the 1 C. first D. the first ( )14. Is Sunday the ____ day of the week? A. a B. one C. once D. first ( )15. March the _____ is Women’s Day. A. eighth B. ninth C. tenth D. eight ( )16. September is the _____month of the year. A. nineth B. ninth C. nine D. the twelveth ( )17. December the ____ is Christmas. A. twenty-five B. twenty-fifth C. twentieth-five D. twenty-five ( )18. Another way of saying Lesson 12 is __________. A. Lesson ten-two B. Lesson Ten-second C. the Twelfth Lesson D. Twelfth lesson 本文来源：https://www.wddqw.com/doc/5e6ad7a526fff705cc170ab9.html