- A+
（one hundred，three hundred，three thousand，four million，five billion）
口诀：有具体数字无s，无具体数字后+s 以及 of
基数词“几十几”用英语的表示方法是 “几十（基数词）”+“-”+“几（基数词）”
如36，几十（基）是30（thirty），几（基）是6（six），组合在一起：thirty-six
基数词“几百几十几”用英语的表示方法： 格式：“几百”+and+“几十”+“-”+几
如222，“几百”是two hundred, “几十”是twenty，“几”是two，组合：two hundred and twenty-two.
序数词“第几十几”用英语的表达方法是“十位数（基数词）”+“-”+“个位数（序数词）”
如第六十八，十位数（基）是60（sixty），个位数（序）是第8（eighth），组合：sixty-eighth
数词的常见运用：
可表达时间具体的时刻：如3:10或者5:55
当分钟数≤30时，结构：分钟数（基）+ past（译：过） + 时（基数词） 几时过几分
如：3:10即表达为，ten past three
2）当分钟数＞30，并且＜60时，结构：（60-分钟数）（基） + to（到）+（时+1）（基） 差几分到几时
3）衍生词：quarter 15分钟一刻钟 half 半小时
可表达分数，分数由 分子/分母 组成。中间有一横线！
分子用基数词，分母用序数词，当分子＞1时，分母的序数词要+s
如：1/5， one - fifth， 5/8，five - eighths
可表达 在某人的几十多岁。（复数形式改y为i加es）
in one’s twenties，在某人的20多岁 in one’s thirties 在某人的30多岁 以此类推
In his forties 在她40多岁的时候
可表达 日期，中国表达日期顺序是 年/月/日 外国表达日期有 月/日/年 或 日/月/年
月/日/年 表达 结构：月份+第几天（序），年份
如，1949年10月1日 写作：Oct 1st, 1949 读作：October the first，nineteen forty-nine
日/月/年 表达 结构：the + 第几天（序）+ of +月份，年份
如，1949年10月1日 写作 the 1st of Oct, 1949 读作the first of October，nineteen forty-nine
年份的读法 结构 前两数字组合+后两数字组合 或 当一个千位数来读
如，in 1997，读作，in nineteen ninety-seven， 或，one thousand nine hundred and ninety-seven
如，2008，读作two thousand and eight
年代的表达， in the 1980s，在二十世纪80年代。
衍生词：January，February，March，April，August，September，October，November，December
衍生知识点：介词的运用，at具体时刻，in 大的年份月份，on，具体到某一天
表达年龄，The boy is 9 years old = He is a 9-year-old boy=It’s his ninth birthday.
At the age of 8 在...8岁的时候
表达小数 生词 zero（零）point（点） 如，0.222 读作 zero point two two two
表达编号：（通常用阿拉伯数字）
房号Room 888 页码 Page 222 门牌号 212 Shennan Road
公共汽车 Bus No.222 = Bus Number 222 厂名The No.3 Paper Factory（第三造纸厂）
车厢号 Carriage No. 10
表达数学加减乘除：用基数词
加 plus 减minus 乘multiplied by（... times ...） 除divided by
大于more than 小于less than 约等于approximately equal 等于 equal
如： 2+3=5 Two plus three is five. 10-4=6 Ten minius four is six.
2*4=8 Two multiplied by four is eight. 6/2=3 Six divided by two is three
A＞B A is more than B. A＜B A is less than B.
A≈B A is approximately equal B A=B A is equal B.
表达长度 用基数词 She is 170cm tall.
表达楼层 用序数词 一楼first floor 十楼 tenth floor
------实考试题------
1.用括号中所给词的正确形式镇空。
1. Bill wants to invite some friends to his __________(twelve) birthday party.
2. I have already asked him __________(two) but he hasn't given me any replies.
3. As we all know, Teachers' Day is in the __________(nine) month of the year. It is the best time for us to show our love and respect to them.
4 There are __________(hundred) of sheep on the hill.
5. Russia is holding the __________(twenty-one) FIFA World Cup now.
6.The old lady living on the __________(eight) floor sometimes dances with her husband on the square.
7. Two __________(three) of the students in our class have been to Disneyland.
8. All the family members are busy getting ready for my father's __________(forty) birthday party.
9. This is Mary's __________(three) time to visit the beautiful city.
10. They are celebrating their daughter's __________(twenty-one) birthday in the Garden Hotel.
11. Tom is thinking about going as a cowboy for the __________(five) year at Halloween.
12. Look! The __________(two) lady from the left in the photo is my favourite teacher.
13. There were __________(thousand) of people at the concert.
14. —It's raining again!
—Yeah, this is the __________(four) rainy day in the week!
I.单项选择。
( )1. We are proud of our country. The year 20l9 is her _______ birthday.
A.seventy B. the seventy C. the seventieth D. seventieth
( )2. Wu Dajiang, a _______ Chinese skater, set a new world record at the Short Track World Cup last year.
A. 25-years-old B. 25-year-old C. 25-year-old D. 25 years old
( )3. Our country is nearly _______ years old. We'll celebrate its birthday on October 1, 2019 around the country.
A. seventy, seventy B. seventy, seventieth C. seventieth, seventy D. seventieth, seventieth
( )4. Nowadays, _______ people like HUAWEI phones better, and about _______ of them are adults.
A. the number of, four-fifths B. a number of, four-fifth
C. number of, four-fifths D. the number of, four-five
( )5. Sweet wormwood is a common plant in China and Tu Youyou is the woman _______ used the special power of the plant to save _______ lives.
A. which, millions of B. who, millions of C. whose, million of D. who, million of
( )6. -Is Dongjin High-speed Railway Station the _______ largest in Hubei Province?
-Yes, of course. It's just a little smaller than the largest one in Wuhan.
A. first B. second C. third D. fourth
( )7. _______ volunteers will be needed for 2020 Beijing Winter Olympic Games.
A. Two thousand of B. Two thousands of C. Thousand of D. Thousands of
( )8. -Would you like another cup of coffee, Linda?
-Thank you, anyway. I've already had one cup, and I'm drinking _______ cup.
A. one B. the first C. the second D. the third
( )9. There are _______ floors in the building. We live on _______ floor.
A. the ninth; the ninth B. the ninth: nine C. nine; the ninth D.nine;nine
( )10. -Who won the first prize of the _______ World Table Tennis Championship?
-You mean the match held in _______? Ma Long did.
A. fifty-four;German B. fifty-fourth: Germany
C. fifty-fourth; German D. fifty-four; Germany
( )11.-A recent survey shows that35 out of45 students in my class will save their phones first in a fire.
-About _______ of the students made such choice? Life is far more important, isn't it?
A. half B. one third C. two thirds D. three quarters
( )12.-Jack, _______ of the oranges _______ gone bad.
-We'd better eat up the rest as soon as possible.
A. one fifth;have B. one fifth: has C. one fifths; have D. first five;has
( )13. Li Ming will be _______. His parents are going to have a party for his _______ birthday.
A. sixteen: sixteenth B. sixteenth; sixteenth C. sixteen; sixteen D.sixteenth; sixteen
( )14.Unluckily, _______ people were killed in the earthquake.
A. two thousands B. thousand of C. two thousands of D. thousands of
( )15. -Have you heard of TFBOYS?
-Certainly. About _______ teenagers love them very much in our school.
A. hundreds B. two hundreds of C. two hundreds D. two hundred
Ⅱ.用括号中所给单词的正确形式填空。
1. Uncle Andy tried _______(tenth) different jobs, and finally chose to be a lawyer.
2. China is the _______(three) nation that sent a person into space.
3. The manager's room is right above mine. It's on the _______(four) floor.
4. On the _______(eight) page of the book, there is an encouraging story.
5. To my surprise, my uncle got his driving license in his _______(fifty).
