小升初英语数词专项讲解及练习

1、精选资料欢迎下载数词一、 数词的种类数词分基数词和序数词基数词是表示自然数列的词,例如 ; one 、two、three 、four .序数词是表示先后顺序的词,例如 : first、second、third、fourth 二 基数词和序数词的表示法1基数词单词的拼写：112 为单词 one two three four five sixseven eight nine ten eleven twelve1319都以后缀 -teen 结尾， 20 至 90 这样的整十数都以后缀 -ty结尾，其他基数词中间加连字符号“ - ”再按照上述的变化进行。例： 21twenty-one56fifty-s

2、ix85eighty-five三位数的构成为：几+百+and+末两位（或末一位）数例： 132one hundred and thirty-two205two hundred and five千以上的数字的读法： 从后面往前， 每三位数作为一个单位， 分别为thousand 、million.32、548、652、读作： 1.thirty two million精选资料欢迎下载2.five hundred and fortyeight thousand3.six hundred and fifty two2. 序数词 =基数词 +th (1 、2、3 为 first、second、third)

3、。数词分基数词和序数词但以下几种情况要注意：1) fifth (第五 ) 、 eighth (第八) 、ninth (第九 ) 、twelfth(第十二）2) 以 ty 结尾的基数词变词尾为 tieth 例：twentytwentiethninetyninetieth序数词表示十位与个位数时，十位与个位之间用“”3) 复合序数词只需要将相应基数词中最后一位变成序数词，其余不变。例：第二十一 twenty-first第二百四十五 two hundred andforty-fifth精选资料欢迎下载三 基数词序数词的用法1. hundred 、 thousand 、million与数字连用，表示一

4、定量的具体数字，不用复数，但表示不定概念可用复数例： three hundred peoplemillions of people2. 基数词表示时刻。例： 7 点 seven o clock7:20 seven twenty3. 给某些事物编号例： Lesson One=the first lesson7 月 1 日=July I (July Ist)1996年 6 月 3 日=June 3, 1996=June the third, nineteen ninety-six4.in+one s+整数数词的复数形式表示年龄例： The old woman is in her nineties.

5、He is his early forties.5. 有关倍数表示法两倍用 twice,三倍以上用数词 +times,要注意倍数在句子的位置。精选资料欢迎下载例：例： The door is three times the size of this.He is double my age.精选资料欢迎下载数词 Practice 练习吧1.写出下列数词对应的英语形式。2.单项选择（） 1. There are_days in a week.A.the sevenB. seventhC. the seventhD. seven（） 2.I think that the _ century (世纪

6、) will bring us more hopes.A. twenty-oneB. twentieth-firstC. twenty-firstD. twentieth-one（） 3.-How many students are there in your school?-_ the students in our school_ over two thousand.A. The number of ; isB. The number of ; areC. A number of ; isD. A number of ; are（） 4.The new student is in_ .A.

7、 Class 2B. Class SecondC. 2 ClassD. class 2精选资料欢迎下载（） 5.-How many teachers are there in your school?- _,but I m not sure.A. HundredsB. HundredC. Hundreds ofD.One hundred（） 6._of the teachers in our school is about one hundred, and ofthem are _ womenteachers.A. The number, two-thirdsB. The number, tw

8、o-thidC. A number, halfD. A number, three-quarters（） 7.- Dad , when will you be free?- I am sorry, Jean. But I think I willhave a _holiday soon.A. four-daysB. four-dayC. four daysD. four day（） 8.Fan Zhiyi s transfer to Dundee Football Club at thend ofe last yeararoused (激起 ) _Chinesepeople s interes

9、t.A. thousand ofB. thousandC. thousands ofD. thousands（） 9.This story happened on_ .A. 1989, Oct 21stB. Oct. 21st ,1989C. 21 Oct, ber , 1989D. 21st of Octber, 1989（）10."Seven five" can be written_.A. five sevensB. five to sevenC. seven fivesD. five past seven（） 11. The English for 10,440 i

10、s_ .A. ten thousand , four hundreds and fortyB. ten thousand, four hundred and fortyC. ten thousands, four hundred and fortyD. ten thousand and four hundred, forty精选资料欢迎下载（） 12._of the workers in the factory is about two hundred, _ofthem are _women workers.A.The number, first-thirdB. The number, one

11、-thirdC. A number, halfD. A number, three quarters（） 13. - Canyouwritethenumbereighty- five thousand , sixhundredand twenty-six?- Yes, it is_ .A. 85662B. 85626C. 85006D. 85620（） 14. About _of the books in our school library are written in Chinese.A. Fourth -fifthsB. four fifthC. four fifthsD. fourths-fifth（） 15. The road is over_ meters long.A. six hundred and fifty-twoB. six hundreds and fifty twoC. six hundred, fi