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专题四 数词
《中考拐点》
2026南充英语
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语法突破·知识梳理
知识导图·重点概览
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语法专练·夯基提能
目
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知识导图·重点概览
考点综述
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考点综述
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基数词
表示数目或者数量多少的词叫基数词。其常见用法如下:
1. 表示日期、时刻、顺序和编号、电话号码和年代
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2. 年龄的表达
(1)用阿拉伯数字或基数词表示。如:15/fifteen years old十五岁
(2)at the age of后加基数词,意为“在……岁时”,后面不再加years old。如:at the age of eighteen在十八岁时
(3)“in one’s+整十数的复数形式”表示“在某人几十多岁时”。如:in his thirties在他三十多岁时
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(1)“基数词+连字符+名词”(=形容词)作定语,名词用单数形式。如:
a ten-minute walk=ten minutes walk步行十分钟的路程
(2)another+基数词+名词复数=基数词+more+名词复数。如:
another three boys=three more boys另外三个男生
(3)数词与表示时间、距离、重量、金钱、度量等的词连用作主语,在主系表结构中常被看作是一个整体,谓语动词用单数。如:
Ten dollars is enough to buy the book.十美元足够买这本书了。
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序数词
1. 序数词的构成
序数词 构成规则 示例
1—3 特殊变化 first,second,third
4—19 对应的基数词+th(第5,8,9,12的基数词有变化) fourth,fifth,sixth,seventh,eighth,ninth,tenth,eleventh,twelfth,thirteenth,fourteenth,fifteenth,sixteenth,seventeenth,eighteenth,nineteenth
20—90
(整十)将对应基数词词末的ty改为tie,再加-th twentieth,thirtieth,fortieth,fiftieth,sixtieth,seventieth,eightieth,ninetieth
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序数词 构成规则 示例
21—99,101—999(非整十、整百) 只将个位数变为序数词 twenty-first,thirty-fifth,
one hundred and forty-ninth
整百、整千 在hundred,thousand等词词尾加-th two hundredth,one thousandth
注:序数词的缩写形式由阿拉伯数字加序数词的后两个字母构成。如:first—1st,sixth—6th
【巧记口诀】
基变序,有规律,结尾加上-th;一二三,特殊记,结尾字母t,d,d;八去t,九去e,f来把ve替;-ty将y变ie,后加-th别忘记;要是遇到几十几,只变个位就可以。
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2. 序数词的用法
用法 表达方式 示例
表示顺序 其前须加定冠词the,后接可数名词单数;
若序数词前有物主代词或名词所有格修饰时,则不加the the second photo 第二张照片
my thirteenth birthday
我的第十三个生日
表示编号 the+序数词+名词单数(首字母不大写) Lesson One=the first lesson
第一课
Page Nine=the ninth page
第九页
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用法 表达方式 示例
表示日期
(年、月、
日)及世纪 月+日,年(日用序数词,
读时前面通常加定冠词the;年用基数词;年份可整体读,也可两位数一读) June the third,nineteen ninety-eight1998年6月3日
日(the+序数词+of)+月,年(基数词) the twenty-fifth of August,two thousand and nine
2009年8月25日
the+序数词+century in the twenty-first/21st century
在21世纪
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用法 表达方式 示例
表示分数 ①分子用基数词,分母用序数词;
②分子为1时,分母用单数;
分子>1时,分母用复数;
③1/2通常用“a/one half”表示,1/4可用“a/ one quarter”表示;
④带分数的词组作主语时,谓语动词的单复数与分数后的名词或代词保持一致 1/5 one fifth
2/3 two thirds
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用法 表达方式 示例
表示“又一;再一” a/an+序数词+名词单数 You’ve tried twice. Why not try a third time? 你已经试了两次。为何不再试一次呢?
表示“第几最……” the+序数词+形容词或副词最高级 John is the second tallest boy in our class.约翰是我们班上第二高的男孩儿。
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概数词
1. 表示确切的数字(具体数字+概数词+可数名词复数)
hundred,thousand,million等词与具体数字(如one,two等)或several,some,many连用时,表示确切的数。其中概数词用原形,一般不与of 连用,其后的可数名词用复数。如: three hundred students三百名学生
2. 表示不确切的数字(概数词加-s+of+可数名词复数)
hundred,thousand,million等词与of连用时,概数词用复数形式(其后加-s),其后的可数名词用复数,但前面不能再加具体数词。如:thousands of people 成千上万的人
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一、单项选择
( )1. (2025·天水)There are 30 students in the art club. One third are boys. So, the club has girls.
A. 10 B. 20 C. 30 D. 40
( )2. (2025·达州)—When are you going on holiday?
—I’m not sure, perhaps the week in July.
A. two B. twice C. second
B
C
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( )3. (2025·绥化)It’s well known that December is the month of a year.
A. twelve B. twelfth C. twelveth
( )4. (2025·龙东)—The sight of the Yellow River is quite beautiful. Is it the longest river in China?
—No, it is longest river in China. It’s the “Mother River” of the Chinese people.
A. second B. the second C. a second
B
B
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( )5. —Which is the biggest number of the three? — .
A. A half B. One third C. A quarter
( )6. As one of the most popular tourist cities, Luoyang attracts tourists every day.
A. five millions B. millions of C. five million of
( )7. —How long is the bridge?
—About long.
A. two thousand metre B. two thousand metres
C. two thousands metre D. two thousands metres
A
B
B
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( )8. —Do you know in which year the short film Baby Tadpoles Look for Their Mother came out?
—Not exactly, but I am sure it came out .
A. in the 1960s B. in 1960s C. in a 1960s D. in the 1960
( )9. — of the students in our class have passed the exam.
—Oh, that means 20% of them should work harder.
A. One fifth B. Four five C. Four fifths D. One five
A
C
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( )10. An boy, Li Wen, works hard and gets good grades in his finalexam.
A. eighteen-year-olds B. eighteen-year-old
C. eighteen years old D. eighteen year olds
B
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二、语法填空
What place can students choose as after-school study space? Home is noisy. The library is full. Coffee shops are usually 1 (two) or more as expensive as reading in other places. Luckily, a new way has appeared to help students solve this problem.
1. _________
twice
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A quiet study lounge(自习室) is a new idea for people who need space to think. Once you use it, you need to pay for it. But the normal standard is only 2 (ten) yuan per day. Users are provided with Wi-Fi, coffee, snacks and more. The shared space aims to provide a 3 (three) kind of study environment except home and library. There are 4 (thousand) of books in the lounge. According to a study, now there are about five 5 (six) of students who like reading in the lounge.
2. 3. 4. 5.
ten
third
thousands
sixths
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