九年级英语 二轮复习专题 数词课件（43PPT）

九年级专题复习之
数 词
中考对数词的考查主要包括以下几个方面：
1.掌握基数词、序数词的构成及用法。
2. 掌握年、月、日、时刻的表达方式。
3.分数、小数的表达及主谓一致。
4.掌握hundred，thousand，million，billion等词的用法。
Learning Aims
数词的分类
数
词
基数词
序数词
表示数目或者数量多少的词。one、two···
表示顺序的词，相当于中文中的“第几”。 first、second···
基数词的构成
one
two
three
four
five
six
seven
eight
nine
ten
eleven
twelve
thirteen
fourteen
fifteen
sixteen
seventeen
eighteen
nineteen
twenty
thirty
forty
fifty
sixty
seventy
eighty
ninety
a hundred
a thousand
a million
ten million
1 11 100
2 12 20 1,000
3 13 30 1,000,000
4 14 40 10,000,000

5 15 50
6 16 60
7 17
70
8 18 80
9 19 90
10
两位基数词的构成
21
34
57
66
89
twenty- one
thirty - four
fifty-seven
sixty-six
eighty-nine
十位与各位之间要用“-”（连字符）
三位基数词的构成
457
890
608
389
three hundred and eighty-nine
four hundred and fifty-seven
eight hundred and ninety
six hundred and eight
百位与十位之间要用“and”
基数词的用法
1.表示名词的数量或数目
一个苹果 两块手表
一碗水
三个面包
one/an apple
two watches
a/one bowl of water
three pieces of bread
2.表示年龄
1岁 32岁
one year old
thirty-two years old
表示“在某人……几十多岁时”用“ in+物主代词/名词所有格+整十数的复数” 。
在他20多岁时
in his twenties
基数词的用法
3.表示年份
1999年
2000年
2004年
2018
nineteen ninety-nine
two thousand
two thousand and four
two thousand and eighteen
表示 “在几十年代”要用“ in the +逢整十数的复数”
在二十世纪九十年代
in the 1990s
基数词的用法
4.表达电话号码、门牌、房号、页码、编号、公交路线等时，用单数名词+基数词（注意：名词和基数词的首字母要大写）也可用“the+序数词+名词”来表示。
305房间
32页
4号
12路公共汽车
一班
第1课
Room 305
Page 32
Number 4（Four）
Bus No.12
Class One
Lesson One
= the first lesson
（注：在编号时，序号在前用序数词，序号在后用基数词）
基数词的用法
5. 表示时间
顺读法：先时后分


6：45
six forty-five
逆读法：先分后时
9:30
nine thirty
（1）分钟≤30时，用“分钟+past+时”（几点过几分）
6:10 9:20
ten past six
twenty past nine
（2）分钟＞30时，用“（60-分钟）+to+（时+1）”（几点过几分）
6:45 1：58
8:55
fifteen to seven
five to nine
two to two
基数词的用法
5.表示时间
当分钟正好是15、30时，用逆读法表示时，可用half、quarter表示分钟。
1：15
3：30
5：45
a quarter past one
half past three
a quarter to six
基数词的用法
6. 表达 “几个半”用基数词
“基数词+ and a half +复数形式 ” 或
“基数词 + 单数/复数形式 + and a half”
五年半


三天半
five and a half years
five years and a half
three and a half days
three days and a half
基数词的用法
7.“基数词-单数名词- 形容词”构成合成形容词，有时可用 “基数词+名词所有格” 代替。
一个五岁的男孩

一座800米长的桥

走路20分钟的路程

a five – years – old boy
an 800 – meter – long bridge
a twenty – minute walk
twenty minutes’ walk
8.表示长、宽、高、深等意思时用 “数字+单位+形容词” 。
5米深
5 meters deep
基数词的用法
9. 表达在一定基础上再增加几个时，用“another+基数词+名词复数”或“基数词+more +名词复数”（又几个，再几个）。
我们还需要两把椅子。
We need another two chairs.
We need two more chairs.
10. 表达“每······年/月/天一次”时，用“every+数词+years/months/days” 。
每四年一次
every four years
基数词的位置
位于another，all等词之后
Can you have another two eggs？
2.位于such，more之前
Can you have two more eggs？
3.位于last，next，other之前或之后
Mr. Harris and three other teachers were there.
in the last years
序数词的基本构成
first
second
third
fourth
fifth
sixth
seventh
eighth
ninth
tenth
eleventh
twelfth
thirteenth
fourteenth
fifteenth
sixteenth
seventeenth
eighteenth
nineteenth
twentieth
thirtieth
fortieth
fiftieth
sixtieth
seventieth
eightieth
ninetieth
hundredth
two hundredth
第一---第十 第十一---第十九 第二十以上
第二十
第三十
第四十
第五十
第六十
第七十
第八十
第九十
第一百
第二百
两位序数词的构成
第33

第46

第89

第66
thirty-third
forty-sixth
eighty-ninth
sixty-sixth
基变序口诀

基变序，有规律，
词尾常加- th。
一、二、三 特殊记，
词尾字母 t, d, d.
八减 t，九减 e , f 来把 ve 替。
ty 字母作结尾，ty 变成tie .
若是遇上“几十几”，
只变个位就可以。
序数词的用法
1. 表示事物的顺序时用序数词，序数词前须加the。
Monday is the second day of a week.
2.表示“又一、再一”时，用“a/an+序数词+名词单数”
We’ve tried three times. Must we try a fourth time？
3.当序数词前已有物主代词或所有格修饰时，不能再用定冠词the或不定冠词a/an
Mrs Smith’s second is a girl.
This is my third pen.
特殊数字的表达方法
1.倍数的表达方式
一倍 两倍
三倍 六倍
once
twice
three times
six times
一倍用once ，两倍用 twice ，两倍以上用“基数词+ times”
2.分数的表达方式
分子基分母序，分子大于1分母加“s”，带分数在整数后加and
五分之一 三分之二
one fifth
two thirds
二分之一 two and three fourths
a half
3.百分数的表达方式
特殊数字的表达方法
（1）表达“百分之几”时：基数词+percent


80% 100%
eighty percent one hundred percent
80%的牛奶 100%的学生
eighty percent of milk one hundred percent of students
（2）表达“百分之几的······”时：
基数词+percent + of+名词复数或不可数名词
概数词的用法
1．hundred，thousand，million，billion与dozen与具体的数字one，two…或several，some，many等连用时，要用单数形式。
500人
两千本书
几百万棵树
five hundred people
two thousand books
many million trees
2．与of连用时，要用复数形式，但前面不能再加数字。
成千上万家工厂
thousands of factories
注意：
分数或百分数作主语时，谓语动词的单复由分数或百分数后的名词决定，当其后是不可数名词时，谓语动词用单数，当其后是可数名词复数时，谓语动词用复数。
Eighty percent of water is polluted.
Twenty-one percent of students are from this country.
3.年月日的表达方法
英式英语
美式英语
日月，年
2nd April，1996
the second of April， nineteen ninety-six
月日，年
April 2 ，1996
April the second ， nineteen ninety-six
Her grandpa has just had his ______ birthday.
sixty B. sixtieth C. the sixtieth D. sixties
2. He became a famous writer when he was _______.
A. in his fifty B. in his fifties
C. in fifty years old D. in fifties
B
B
3.Can you imagine the life will be like in ______ time?
20 years’ B. 20 years
C. 20-years’ D. 20 year’s
4. You will have ______ holiday next week. Where are you going?
A. a seven-day B. seven- days
C. a seven day D. a seven-days’
A
A
5. The boy was so hungry that he ate____ ?
three bowls of rices
B. three bowl of rice
C. three bowl of rices
D. three bowls of rice
6. About _____ of the workers in the factory were born in the____.
A. two thirds;1970 B. two thirds; 1970s
C. two third; 1970 D. two third;1970s
D
B
7. More than two _____ years ago, people knew little about the universe?
thousands B. thousand
C. Thousands of D. thousand of
8. Today is my mother’s ______ birthday. I will buy a gift for her.
A. fourteenth B. fourteenth
C. forty D. fortieth
B
D
9. Boys and girls，please turn to Page ____ and look at the _____ picture.
Fifth ;five B. Five, five
C. Fifth, fifth D. Five, fifth
10. --David, how old is your father?
--_____. And we just had a special party for his ______birthday.
A. fortieth ;forty B. Forty; forty
C. forty; fortieth D. Fortieth; fortieth
D
D
11. The work is too difficult for Mr. Wang to finish in a week. He needs _____ days.
more two B. two more
C. two another D. another two
12.I think _____ should not be allowed to drive .
A. sixteen years old
B. sixteen- year- old
C. sixteen-year-olds
D. sixteen-years-olds
B
C
13. John was born ________.
on June 10,2003 B. in June 10, 2003
C. on 2003, June10 D. on 2003,June 10
14. We have two ears and one mouth, so that we can listen ______ we speak。
as twice much as
B. twice as much as
C. as much as twice
D. As much as twice
A
B
1. December is __________ and last month of the year.
A. the twelfth B. twelfth C. the twelve
2. —How many hours do you sleep every night?
—About ________ hours. From 9：00p. m. to 6：00 a. m.
A. nine B. nineteen C. ninth D. ninety
3. Christmas Day is on _______ of December.
A. twenty?five B. the twenty?five
C. twenty?fifth D. the twenty?fifth
A
A
D
4. Please turn to Page ____ and take a look at
the picture on it.
A. the eightieth B. eightieth
C. Eighties D. Eighty
5. To finish the task, we've tried three times, and after dinner we'll try________ time.
A. the fourth B. a fourth
C. fourth D. four
6. ________ of the students in Class 6 have lunch at school.
A. Two fifth B. One thirds
C. Threes fifth D. Three quarters
D
B
D
7. Tony's mum looks young and beautiful. It's hard to imagine she is already in her ________.
A. fifties B. fifty C. fiftieths D. fiftieth
8. —A recent survey shows that 35 out of 45
students in my class will save their phones first in a fire.
—About ____ of the students made such a choice? Life is far more important, isn’t it？
half B. one third
C. two thirds D. three quarters
A
D
9. Meimei is going to be an older sister. Her
parents are planning to have their __ child.
A. one B. two C. first D. second
10. About ____ of the land _____ covered
with trees and grass.
A. three fifths; is B. three fifths; are
C. three fifth; are
11. The number of the cars in our neighborhood is about eight_____,and_____ of them are new cars.
A. hundred; two thirds B. hundred; two third
C. hundreds; two thirdsD. hundreds; two third
D
A
A
13. I live in Room 403. Sam lives in the room right above mine, on the __________ floor.
A. third B. three C. fifth D. five
14. —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
15. The workers will complete the new bridge in ________.
A. two and a half months
B. two months and half
C. two and a half month
C
D
A
16. —We'll be back for our school's________ universary ceremony.
---I see. That means you'll have a get?together with your classmates in_____ years.
A. fifteen; seven B. fifteenth; seven
C. fifteen; seventh D. fifteenth; seventh
17. The environment here becomes better and
better. ________ birds are coming back.
A. Thousands of B. Thousand of
C. Thousands D. Thousand
A
A
18. —Welcome to Los Angeles. Have you ever been here?
—Sure. I visited this city three years ago so this is my ________ time here.
A. first B. second C. third D. fourth
19. Helen loves reading. She has read ______ books this month.
A. five B. fifth C. five of D. fifth of
20. There are _____ students in our school.
A. hundreds B. hundreds of
C. hundred of
B
A
B
20. The_____ Brazil's Olympic games will be held on August 5.
-- ___exciting news for the long summer vacation!
A. thirty?one; How a B. thirty?first; What
C. thirty?first; What an D. thirty?one; How
21. Nowadays, ________ of the old people in the area ________ used to dancing on the square after supper.
A. two third; is B. two thirds; is
C. two thirds; are
B
C
22. —Mum, ________ of the apples ________ gone bad.
—We'd better eat up the rest as soon as possible.
A. one third; have B. one thirds; have
C. one third; has D. first three; has
25. —Mum, the beautiful card I made last night is just for your ________ birthday.
—Oh, thank you, my dear!
A. forty B. fourteen
C. fortieth D. fourth
A
C
26.Where is Class ______?
It’s on the _____floor.
Six, third B. Sixth, third
C. Six, three D. Sixth, three
27.The Blacks have two children, but they would like to have ____ child.
the third B. a third C. third D. three
28. Which room are you living in?
In ____ on the second floor. A. Room 303 B. 303 Room C. room 303 D. 303 room
A
B
A
29.About ______of the steel workers in this factory _____ young people.
third fifths; is B. three fifths; are
C. three fives; is D. three fifth; are
30.---When is the train leaving?
---It’s leaving at twelve. That means it is leaving in _____.
two and a half hour
B. two and a half hours
C. Two hour and a half D. half and two hours
B
B
31. He will be back in_______.
a or two days B. one or two days
C. one day and two D. one and two day
32.Time is not enough for so much work. ____ people are need, I think.
Other two B. Only two
C. Two more D. Two other
33. This is a _ boy, and he can say a few word.
A. three-year-old B. three-years-old
C. three-year old D. three-years old
C
C