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1、精选优质文档-倾情为你奉上数词专项复习英语中的数词包括基数词和序数词两大类，为了便于同学们系统地复习数词，现就小学阶段数词的主要内容作以下归纳。一、基本构成 (一)基数词（表示几）1.112的基数词是独立的单词，即： one，two，three，four，five，six，seven，eight， nine，ten，eleven，twelve。2.1319的基数词以-teen结尾，但13，15，18较特殊， 13thirteen 15fifteen 18eighteen。3.2090的整十位均以-ty结尾。但20，30，40，50，80较特殊， 20twenty， 30thirty， 40fo
2、rty ，50fifty ，80eighty。4.十位数与个位数之间要加连字符号“-”，如：28 twenty-eight，96 ninety-six。5.百位和十位(若无十位则和个位)之间加and，如：148one hundred and forty-eight ，406four hundred and six。6.hundred(百)，thousand(千)，等前面即使有具体的数词，也不能在它们的后面加s。如：600six hundred，(二)序数词由基数词转变而来，表示“这是第几个”1.口诀巧记基数词变序数词：“一、二、三，特殊记， （第一first 第二second第三third）八
3、去“t”，九去“e”， （eighteighth nineninth）“ve”要用“f”替， （fivefifth，twelvetwelfth）见y变成i和e，词尾加上th（twentytwentieth，fortyfortieth）若是遇到几十几，只变个位就可以。（twenty-fivetwenty-fifth）2. 其余情况均在基数词后加th 3.序数词有时用缩写形式：First 缩写 1st, twentysecond 缩写 22th.二、基本用法(一)基数词的基本用法用基数词来修饰可数名词时，一定别忘了用该名词的复数形式。如：十八个男孩 eighteen boys(二)序数词的基本用法
4、1.序数词前面一般要加定冠词the(或物主代词)：Autumn is the third season in a year.2.如果数字较长，序数词总避免使用，而且读的方法也常常简化：第201房间：Room 201 第319页：page 3193. 在谈编了号的东西时，我们可以用基数词表示顺序：the first part-part one 三、特殊数字的表示法 (一)年 月 日表示法1.年代前用 in. ( in ) 1905 读作(in ) nineteen and five ( in ) 1800 读作( in ) eighteen hundred2.月份开头第一个字母须大写，表示“在某
5、月”时，月份前面用 in。 ( in ) January Jan. ( in ) March Mar. ( in ) December Dec.3. 日期 用序数词(前需要加the)表示； “ 在某日”，前面用介词on. ( on ) October the first 4. 某年 某月 某日in Sep. 1954 on Oct. 1, 1949(读作on October the first, nineteen forty-nine) (二)时刻表示法1.在具体时刻前通常用at。如： ( at ) six or six oclock2.如说几点几分，常将时和分钟分别读出来，如：7：40读作s
6、even forty注:上午可以用am表示,下午用pm表示，例如：9.50am 11.05pm (三)一些数学加减的读法：3+8=11 three plus eight is eleven. 9-7=2 nine minus seven is two. 专项练习题一、英汉互译第六课 _20个鸡蛋_6月2日_ on March 20,2004 _seven thirty_ 96把椅子 _No. 5 Middle School _6：40 _ four times _ 二、把下列基数词改成序数词。one_two_three_nine_fourteen_twenty_ thirty-five_ fi
7、ve_ eight_twelve_ forty-one 三、选择题1. We are going to learn _ this term.A. book six B. six book C. the book six D. Book Six2. Jenny was born (出生) _.A. on July 10, 1987 B. in July 10, 1987 C. in 1987, July 10 D. on 19873. Autumn is _ season in a year.A. the fourth B. the third C. a third D. the threeth
8、4. There are _ days in a year.A. three hundreds sixty-five B. three hundreds and sixty-fiveC. three hundred sixty-five D. three hundred and sixty-five5. There are _students in our school.A. eight hundreds and forty-six B. eight hundred and forty-sixC. eight hundred forty-six6. My brother is in_.A. T
9、hree Class, One Grade B. Class Three, Grade OneC. Grade One, Class Three D. class three, grade one7. Please turn to _ . Lets read the text.A. Page two B. the page two C. second page D. page second8Danny lives in _Aroom 404 BRoom 404 C404 room D404 Room9Whats the date today? _AIts Saturday BIts July
10、CIts fine DIts July 1510What time do you get up every day?AIts seven oclock BSeven oclock timeCAt seven DOn seven11.My home is about away from the school.A. three hundred metre B. three hundreds metresC. three hundred metres D. three hundred metre12.We are learning now.A.the twenty-first lesson B.Le
11、sson Twenty-firstC.the 21th lesson D.Lesson 21 st13.This is her birthday, I think.A.twenty B.twentieth C.the twentieth D.the twentys14.September is TeachersDay.A.the ten B the tenth C.the tens15. My grandmother is_ old. A. seventieth B. seventy year C. seventy years D. seventies 16. Monday is the se
12、cond day, and_. A. Tuesday is the fourth B. Thursday is fifth C. the second day is Tuesday D. the second day is Thursday 17. There are _months in a year. December is the _month of the year. A. twelve; twelve B. twelve; twelfth C. twelfth; twelve D. twelve; twelveth 18. Whats the date today? It is _.
13、 A. Friday B. time to go C. cloudy D. June 4th 19. What is five and eight? A. Twelve B. Thirteen C. Fourteen D. Fifteen四、根据句意和有关常识，用英文数词填空。1. Fifty-one plus thirty-eight is _.2. There are _ days in a week（星期）。 3. W is _ letter in the alphabet(字母表).4. Thirty divided by（除以）five is _5、Bill is （14）years
14、 old , he is in Class （2）Grade （6）.6、My birthday is on the （3）of March .7、September is the （9）month in a year .8、Which boy is thinner , the （1）one or the （2）one ?9、There are （55）students in our class .10. We have_（12）months in a year.December is the _（12）one. 11. This is my_（1）bag. 12. My birthday is Dec._（21）. 13. I have_（3）books. I like my_（3） book.专心-专注-专业