2022年人教版中考英语二轮复习第三节 数词课件(共44张PPT)

(共44张PPT)
第一部分 基于语义的语法知识篇
第三节 数词
目录
01
考点思维导图
02
中考考点回顾
03
考点精讲精练
04
全国真题演练
05
语篇考点专练
考点思维导图
中考考点回顾
年份 题型及考点 解析
2017 单项填空 28. Two months ago，China tested its _____ aircraft carrier (航空母舰) built completely on its own. A. one B. first C. the one D. the first 考查当序数词前有形容词性物主代词时省略the的用法。故选B。
年份 题型及考点 解析
2018 单项填空 35. 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 考查分数的写法：当分子大于1时，分母加-s。故选D。
短文填空 Both brothers were so sad about the job at _79_，but after completing the task，they felt a sense of pride. 考查序数词的搭配at first（首先）。故填first。
续表
年份 题型及考点 解析
2019 单项填空 32. We are proud of our country. The year 2019 is her _____ birthday. A. seventy B. the seventy C. the seventieth D. seventieth 考查当序数词前有形容词性物主代词时省略the的用法。故选D。
续表
考点精讲精练
考点1
基数词
1. 基数词的基本构成
基数词 举例
(1)基数词1~12为独立的单词，有其各自的形式 one, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve
(2)基数词13~19以-teen结尾 thirteen, fourteen, fifteen, sixteen, seventeen,eighteen, nineteen
(3)基数词20~90的整十位数以-ty结尾 twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety
续表
基数词 举例
(4)基数词21~99的十位与个位之间要加连字符“-” twenty-one, thirty-two
(5)三位数或三位数以上的基数词：百位与十位之间一般用连词and连接；如果十位是“0”，则百位与个位间用and one hundred and sixty-one, one hundred and one
(6)表示三位数或三位数以上的常用词汇：hundred(百), thousand(千), million(百万), billion(十亿) one hundred, two thousand, three million, four billion
2. 基数词表示数目的多少
例 There are fifty students in our class. 我们班上有50个学生。
There are seven days in a week. 一周有七天。
3. 基数词表示时刻
(1)顺读法：适用于任何时刻的表达，用基数词表述 “小时数+分钟数”。
例 6：00读作six o’clock 6：10读作six ten
6：30读作six thirty 6：45读作six forty-five
(2)逆读法：
【注意】在逆读法中，15分钟一般用a quarter表示, 30分钟一般用half表示。
①分钟小于或等于30时，用 “分钟数+past+小时数” 6：05读作 five past six
6：15读作 a quarter past six
6：20读作 twenty past six
6：30读作 half past six
②分钟超过30时，用 “(60 - 分钟数)+to+(小时数+1)” 6：40读作 twenty to seven(差20分到7点)
6：45 读作 a quarter to seven(差15分到7点)
(3)注意下面两种表达：
例 one and a half hours=one hour and a half 一个半小时
two more hours=another two hours 再多两个小时
4. hundred， thousand， million， billion的用法
(1)当它们前面有具体的数字时，这四个词不能加-s, 也不能与of 连用。
例 two hundred,four thousand
(2)当它们与of连用时，这四个词的词尾要加-s，前面不能加具体的数字。
例 hundreds of 数以百计的, thousands of 数以千计的, millions of 数以百万计的, billions of 数以十亿计的
5. 基数词表示编号
例 No.6, Class 5,Grade 6， Room 888
【注意】表示编号时，单数可数名词+基数词=the+序数词+单数可数名词。
例 Unit One＝the first unit第一单元
Page Two＝the second page第二页
6. 基数词表示年份、年代、年龄段
(1)“in+年份”表示具体某一年。 例 in 1949 在1949年
(2)“in+the+整十年份+-s”表示“……世纪……年代”。 例 in the 1980s 在20世纪80年代
(3)“in+one’s+整十复数(改y为i+-es)”表示“在某人几十岁时”。 例 in his thirties 在他30多岁时
7. 基数词表示倍数和次数
表示“一倍；一次” “两倍；两次”分别用once， twice，三倍或三次以上用“基数词+times”。
例 three times三倍；三次
8. 小数、百分数表达法：小数点读作point，百分号“%”读作percent
例 5.6读作five point six， 30%读作thirty percent
【注意】“小数 / 百分数+of+名词”作主语时，谓语动词的单复数形式要与它们所修饰的名词的数保持一致。
例 30 percent of the water is used up. 30%的水被用光了。
9. 其他特殊且重要的表达方式
（1）半小时的表达。 例 half an hour 半小时
（2）“at the age of+基数词”表示“在某人……岁时”。 例 at the age of fifteen 在15岁时
（3）基数词-year-old表示“……岁的”。 例 a five-year-old boy 一个5岁大的男孩
（4）基数词-单数可数名词（作定语）。 例 a ten-minute walk=ten minutes’ walk 10分钟的步行路程
( )1. —Excuse me, sir. Here’s a package for Miss Gao. Which room does she live in
—_____.
A. 206 Room B. Room 206
C. The Room 206 D. The 206 Room
B
( )2. But Lao Pan did not begin to understand China until he and his family took a _____ drive around the country.
A. 3-month B. 3-months C.3 months D. 3 month
( )3. In 2009, the city-level government invested over _____ yuan to change the village’s exhibition hall into a museum in memory of the development efforts made by earlier generations.
A. 2 million B. 2-million C. 2 millions D. 2-millions
A
A
( )4. —This picture has become very popular recently.
—Yeah! It receives _____ hits (点击) on the Internet a day!
A. thousands of B. thousand
C. five thousands of D. thousand of
( )5. Tom’s mom looks young and beautiful. It’s hard to imagine she is already in her _____.
A. fifties B. fifty C. fiftieth D. fifteenth
A
A
考点2
序数词
1. 基数词变序数词的规律
规律口诀 举例
基变序，容易记，加上-th就可以； 一二三，特殊记，词尾字母t, d, d； 八减t，九减e， f来把ve替； 若是遇到整十数，ty变作tie; 若是遇到几十几，只变个位就可以 four→fourth, eighteen→eighteenth
one→first, two→second, three→third
eight→eighth, nine→ninth, five→fifth
twenty→twentieth, thirty→thirtieth
twenty-one→twenty-first,
fifty-four→fifty-fourth
2. 序数词表示事物的先后顺序，常与定冠词the连用
例 This is the first present. 这是第一份礼物。
【注意】当序数词作副词，充当状语时，不用加the。
例 I took out my book first. 首先，我拿出了我的书。
3. 当序数词前有形容词性物主代词或名词所有格时则省略the
例 This is my second time to Beijing. 这是我第二次到北京。
Tom’s fifth birthday is coming soon. 汤姆的第五个生日马上就到了。
4. 序数词表达日期
表示具体的日期时，有以下表达方式。
例 2016年8月19日
可写作：August 19th, 2016 / 19th August, 2016
可读作：August the nineteenth， two thousand and sixteen / the nineteenth day of August, two thousand and sixteen
5. 分数表达法：分子用基数词，分母用序数词；当分子大于1时，分母的序数词要加-s
例 one third 三分之一，two fifths 五分之二
【注意】“分数+of+名词”作主语时，谓语动词的单复数形式要与它们所修饰的名词的数保持一致。
例 Five sixths of the homework has been finished. 六分之五的作业已经完成了。
One second of my classmates go to school by bike. 我有一半的同学骑车上学。
6. 其他表达方式：a/an+序数词，表示“再一；又一”
例 a second chance 第二次机会， a third time 第三次
7. 序数词在一些固定搭配中不加the
例 at first起初，first of all首先，from first to last自始至终，at first sight第一眼
( )1. This is Mary’s _____ visit to Beijing. She has been there twice before.
A. two B. second C. three D. third
( )2. _____ century saw big progress in printing technology in the West.
A. Fifteen B. The fifteen C. The fifteenth D. Fifteenth
D
C
( )3. The apartment has _____ floors and Mr.Smith lives on the _____ floor with his family.
A. twelve； twelve B. twelfth； twelfth
C. twelve； twelfth D. twelfth； twelve
( )4. In the sixteenth century, _____ real newspaper appeared.
A. first B. the first C. the one D. one
C
B
( )5. It is said that _____ of the students in China like to talk with friends online. Meanwhile, the rest 20% like to talk with friends face to face.
A. two thirds B. one third C. one sixth D. four fifths
D
全国真题演练
( )1. The _____ Lianyungang-Xuzhou High-speed Railway was open to the public this year.（2021连云港）
A．180 kilometer long B．180 kilometers long
C．180-kilometer-long D．180-kilometers-long
C
( )2. —China is a great country with a history of about five _____ years.
—Yes. And _____ of foreigners come to visit it every year.（2021滨州）
A．thousand; thousand B.thousands; thousands
C．thousand; thousands D.thousands; thousand
C
( )3. —When was the Communist Party of China founded
—In 1921. It’s her _____ birthday this year.（2021泸州）
A．hundred B．hundredth C．hundreds of D．the hundredth
( )4. As we all know, the Yellow River is _____ longest river in China. （2021丹东）
A．the twice B．he second C．twice D．second
B
B
( )5. —Susan, how many women teachers are there in your school
—In our school, _____ of the teachers _____ women teachers.（2021玉林）
A．third fourth; are B．third fourth; is
C．three fourths; is D．three fourths; are
D
( )6. My mother will be _____ years old next week. I’m planning to buy a gift for her _____ birthday.（2021达州）
A. fourty; fourtieth B. forty; fortieth
C. fourty; fortieth D. forty; fourtieth
( )7. My aunt became a nurse in her _____ and she still loves her job now.（2021绥化）
A. twenties B. twentieth C. twenty
B
A
( )8. My aunt has only one child, and she wants _____ child.（2021恩施州）
A. the second B. a second C. two
( )9. —Excuse me, where’s the library
—Go along this road, and turn right at _____ crossing. It is on your left.（2021黄冈）
A. one B. the one C. first D. the first
D
B
( )10. —We should try to devote（献身于）ourselves to our country like Yuan Longping.
—I think so. He still worked on the research into agriculture（农业） at the age of _____.（2021 鞍山）
A．eighties B．eightieth
C．eighty D．eighty-year-old
C
语法选择
China, which was founded in _1_, is becoming more and more powerful. Big changes have taken place in science and technology in recent years. _2_ have helped China catch up with some developed countries or even lead in some fields. China is between the world’s research leaders in chemistry, science and physics.
语篇考点专练
1949
These
Take hybrid rice(杂交水稻) as _3_ example first. Chinese scientist Yuan Longping developed the first hybrid rice _4_, and it has been feeding the country since then. By the end of the year, farmers in more than 40 countries have planted more than _5_ hectares (公顷) of the crop. What great contribution _6_ has made to the whole world! He is one of the greatest _7_ who makes the world become better and better! Next, the Jiaolong,
an
in the 1970s
7 million
he
men
_8_ manned (载人的)deep-sea research submersible (潜水器), went into service in 2010. It made China the _9_ country, after the United States, Russia, France and _10_, to develop deep-sea exploration technology.
However, China needs to work hard in key technological fields such as microchip (微芯片) development than before. The government needs to offer more support in many areas to encourage greater development.
China’s first
fifth
Japan
( )1. A. 1949 B. 1949s C. 1949’s D. 1949s’
( )2. A. This B. These C. That D. Those
( )3. A. a B. an C. the D. /
( )4. A. in the 1970 B. in the 1970s
C. in the 1970’ D. on the 1970’s
( )5. A. 7 million B. 7 millions
C. 7 million of D. 7 millions of
A
B
B
B
A
( )6. A. his B. him C. he D. himself
( )7. A. man B. mans C. men D. mens
( )8. A. China’s the first B. the China’s first
C. China first D. China’s first
( )9. A. five B. fifth C. fifths D. five times
( )10. A. Japanese B. Japan
C. Japans D. Japaneses
C
C
D
B
B
谢 谢!