《初升高英语衔接大讲堂》专题09 数词和冠词

3.0 envi 2025-02-21 13 4 36.44KB 9 页 3知币
侵权投诉
专题 09 数词和冠词
一、数词的用法
1. 数词的定义:表示数目或顺序的词叫,数词分为基数词序数词。表示数目多少的数词叫基数
;表示顺序的数词叫序数词
基数词 序数词 基数词 序数词
1 ________ _________ 11_________ __________
2 ________ _________ 12_________ __________
3 ________ _________ 13_________ __________
4 ________ _________ 14_________ __________
5 ________ _________ 15_________ _________
6 ________ _________ 16_________ _________
7 ________ _________ 17_________ _________
8 ________ _________ 18_________ _________
9 ________ _________ 19_________ _________
口诀: 一二三单独记;八去 t,九除 eve 要用 f替, 整十基数变序数,ty 变成 tie; 要是遇到
两位数,十位基数个位序, 最后加上去 th.
2.
1)。 分子用基数词,分母用序数词。分子如果大于 1,则分母序数词用复数形式)
1/2 读作: 1/3 读作:
2/5 读作: 3/4 读作:
2)小数表示法。
小数只能用基数词表示,其中小数点读作 point,零读作 zero(o);小数点之后按数字依次读出。
0.9zero point nine 3.58: three point fifty-eight
3)百分数表示法(% 读作 percent
1
18%: eighteen percent
3. 数词的用法(倍数表示法)
 1)主语+谓语+倍数(或分数)+ as + adj. +as
   I have three times as many as you. 我有你三倍那么多。
  2) 主语+谓语+倍数(分数)+ the size(amountlength…) of…
   The earth is 49 times the size of the moon. 地球是月球的 49 倍。
  3)主语+谓语+倍数(分数)+形容词(副词)比较级+than…
The grain output is 8 percent higher this year than that of last year. 今年比去年粮食产量增加 8%
4. hundred, thousand, million billion 的用法。
hundred, thousand, million billion
时,要用其复数形式,并且与 of 连用,表示约数。
There are more than three hundred days in a year. 一年有三百多天。
Thousands of visitors travel to the Great Wall every year. 每年有成千上万的游客游玩长城。
5. 数词的特殊用法
1)表示人的不确切岁数或年代,用几十的复数形式表示。用 in +the/one's +基数词的复数结构。   
如:He became a professor _________________.他三十多岁时成为了教授。  
She was born _____________________________. 她出生在六十年代。
2)在一些表示"一排""一组"的词组里;
  如:They arrived in twos and threes. 他们三三两两的到达了。
注意序数词在使用时,通常前面要加定冠the;但是如果序数词前出现不定冠aan 时,则表
“再一”,“又一”。
We’ll go over it a second time.  我们得再念第二遍。
We’ve tried it three timesMust we try it a fourth time?
二、数词练习(单项选择)
2
1. You all failed in the exam yesterday ,so I want to give you________chance .
A .one B .a second C .the third
2. The number"23,456"can be read as"__".
A. twenty-three thousand, four hundred and fifty-six
B. twenty-three thousand and four hundred fifty-six
C. two three thousand and four five six
D. two three thousand, four and five six
3. —How do you keep fit?
—I live on ____________floor. I walk upstairs instead of taking the life every day.
A twelve B. the twelve C. the twelfth
4.___________ visitors came to take photos of Hongyadong during the vacation.
A. Thousand B. Thousand of C. Thousands D. Thousands of
5. There are about three_______________students in our school.
A. thousands B. thousands of C. thousand D. thousand of
6. According to a survey ,four out of five women do housework at home , but only _____________of men would
do it .
A. four fifth B. four fifths C. two fifth D. two fifths
7. Lincoln was born on ________.
A. February 12th, 1809 B. 1809, February 12th
C. 1809, 12th February D. February 1809,12th
8. A _______ boy can sing the English song very well.
A. ten-years-old B. ten years old C. ten-year-old D. ten year old
9. This classroom is ________ ours.
A. three times big as B. as three times big as
C. three times as big as D. as big three times as
3
《初升高英语衔接大讲堂》专题09 数词和冠词.docx

共9页,预览3页

还剩页未读, 继续阅读

作者:envi 分类:初中 价格:3知币 属性:9 页 大小:36.44KB 格式:DOCX 时间:2025-02-21

开通VIP享超值会员特权

  • 多端同步记录
  • 高速下载文档
  • 免费文档工具
  • 分享文档赚钱
  • 每日登录抽奖
  • 优质衍生服务
/ 9
客服
关注