专题6 数词课件(共24张PPT) 2025年中考英语人教版一轮专题复习

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名称 专题6 数词课件(共24张PPT) 2025年中考英语人教版一轮专题复习
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科目 英语
更新时间 2024-11-12 15:17:03

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(共24张PPT)
第二部分 语法精研
专题六 数词
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目录
目录
CONTENTS
要点聚焦·精准导练
01
专项练习·能力通关
02
命题点一 基数词
1. 基数词的构成
基数词 形式 示例
1~99 1~12:逐个记 one, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve
13~19:以-teen结尾 thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen
基数词 形式 示例
1~99 20~90之间的整十数: 以-ty结尾 twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety
21~99之间的非整十数:十
位数与个位数之间加连字符 21: twenty-one 
36: thirty-six 
98: ninety-eight
基数词 形式 示例
101~999 整百:1~9+hundred 200: two hundred
其他:百位数与十位数(若
无十位数,则和个位数)之
间用and连接 158: one hundred and
fifty-eight
基数词 形式 示例
四位数及 四位数以 上的基数词 从个位数往前数,每三位数加“,”。第一个逗号读“thousand”,第二个逗号读“million”,第三个逗号读“billion” 123,456,789: one
hundred and twenty-three
million, four hundred and
fifty-six thousand-seven
hundred and eighty-nine
2. 基数词的用法
用法 示例
“基数词-名词(-形容词)”形式的
定语中,名词用单数,基数词、名词和
形容词之间加连字符 a 100-meter-long bridge
用法 示例
基数词与表示时间、距离、重量、金
钱、度量等词连用作主语时,常看作一个整体,谓语动词用单数形式 Twenty years is quite a long
time.
“another+基数词+名词复数”=“基数词+ more+名词复数”,表示在一定基础上增加一定的数量 We need another five candles.
=We need five more candles.
用法 示例
“基数词+度量单位+形容词
(tall/long/wide/deep/high/heavy等)”
表示计量 The room is about twenty meters
wide.
“hundreds/thousands/millions/billions of
+可数名词复数”“several/a few/many/...+hundred/thousand/...+可
数名词复数”表示概数 Hundreds of students gathered in
the school.
小试身手
根据括号内所给提示完成句子。每.空.一.词.。
1. There are about (三百) teachers
and (成百上千) students in this high school.
three 
hundred 
hundreds 
of 
2. (2024·绥化)Some young people may begin puberty (青春期)
at (八), while others may not start until fourteen
or (十五). Usually, teenage girls start puberty
(两) years before teenage boys do. For boys and girls, it is usually
complete by the age of (十八).
eight 
fifteen 
two 
eighteen 
命题点二 序数词
1. 基数词变序数词的变化规律
规律 示例
1~3:完全变 one→first, two→second, three→third
4, 6, 7, 10, 11, 13~19, 整百:直接加-th four→fourth, six→sixth, seven→seventh, ten→tenth, eleven→eleventh, thirteen→thirteenth, one hundred→one hundredth
规律 示例
5, 8, 9, 12:以ve结尾的变ve
为f再加-th; 以t结尾的直接加-h;以e结尾的
要先去掉e,再加-th five→fifth, eight→eighth,
nine→ninth, twelve→twelfth
规律 示例
整十:变y为ie,再加-th twenty→twentieth,
thirty→thirtieth, forty→fortieth,
fifty→fiftieth, sixty→sixtieth,
seventy→seventieth,
eighty→eightieth,
ninety→ninetieth
几十几:变个位为序数词 twenty-one→twenty-first,
thirty-seven→thirty-seventh
2. 序数词的用法
用法 示例
序数词前若无形容词性物主
代词或名词所有格修饰,要
在序数词前加定冠词the;若表示“又一;再一”,则加不定冠词a或an The Yellow River is the second longest river in China.
We’ve talked about it twice. Must we try it
a third time
用法 示例
序数词作状语时不加the I took out my book first.
序数词与名词构成的复合形
容词前不加the a second-hand house
一些固定短语中的序数词前
不加the at first首先;起初       
first of all第一;首先
from first to last自始至终
at first sight乍一看;初看时
小试身手
用括号内所给词的适当形式填空。
1. It is surprising that three (five) of the artist’s works of art
were created in his nineties.
2. (2024·牡丹江)There are twenty-four solar terms (节气) in a year.
Lichun is the (one) one.
3. (2024·东营)I am the (two) child in my family. I have
an elder brother and a younger sister.
fifths 
first 
second 
以下语篇中有五处错误,请找出并进行改正。
  We often think the Arctic (北极) only has snow and ice. But in
fact, it has far more than that! Two third of the Arctic is the Arctic Ocean, while one third is made up of land, including Russia, Canada, the U.S. and five other countries.
third
thirds
  The Arctic is home to more than 21,000 kind of lives. The polar bear is the most famous Arctic animal. Meanwhile, there are about 4 millions
people living there. About 10% of them is local people. They have been
there for thousand of years.
  But now, the amount of Arctic sea ice is falling by around 3% every
year. There will be no more ice in summer in the near future.
kind
millions
is
thousand
kinds
million
are
thousands
根据括号内所给提示完成语篇。
  Mr.Brown is a teacher in a middle school. In his 1. (四十
多岁), he went to Russia. He has lived in Russia for about 2.
(一年半). In the school, the
number of students is about 3. (三千). And about
4. (四分之三) of the students are boys. A number of
boys like playing basketball.
forties 
one and
a half years/one year and a half 
three thousand 
three fourths 
  Mike is a student of Grade Nine in the school, who is 5.
(十六) years old. He usually plays basketball 6. (一
周两次). The World Basketball Championship will be held. There will be
7. (成千上万的) people watching the game. But Mike
won’t go to watch because he happens to have a 8.
(两周的) journey with his family during that time.
sixteen 
twice a week 
thousands of 
two-week/two
weeks’