(共24张PPT)
第二部分 语法专题突破
专题四 数词
知识结构图解
中考命题点聚焦
同步跟踪训练
知识结构图解
中考命题点聚焦
命题点1 基数词
表示数目或者数量多少的词叫作基数词。
◆常见基数词一览表
1→one 11→eleven 21→twenty-one
2→two 12→twelve 22→twenty-two
3→three 13→thirteen 30→thirty
4→four 14→fourteen 40→forty
5→five 15→fifteen 50→fifty
6→six 16→sixteen 60→sixty
7→seven 17→seventeen 70→seventy
8→eight 18→eighteen 80→eighty
9→nine 19→nineteen 90→ninety
10→ten 20→twenty 100→one hundred
续表
◆基数词的用法
【拓展】
确数和概数的表达
hundred, thousand, million, billion前有具体数字或several 修饰时不能
用其复数形式;当它们表示概数时,需要用复数形式且与of连用。
如:two hundred teachers 两百名老师
thousands of students 数千名学生
活学现用
1.We gave away __________(thousand) of books to the school library
last year.
2.My grandfather took up swimming in his _______(sixty) to stay
healthy.
thousands
sixties
命题点2 序数词
表示顺序的词叫作序数词。
◆常见序数词一览表
1→first 11→eleventh 21→twenty-first
2→second 12→twelfth 22→twenty-second
3→third 13→thirteenth 30→thirtieth
4→fourth 14→fourteenth 40→fortieth
5→fifth 15→fifteenth 50→fiftieth
6→sixth 16→sixteenth 60→sixtieth
7→seventh 17→seventeenth 70→seventieth
8→eighth 18→eighteenth 80→eightieth
9→ninth 19→nineteenth 90→ninetieth
10→tenth 20→twentieth 100→one hundredth
续表
◆序数词的用法
1.序数词可以用来表示顺序和日期。(2025省卷;2025兰州;2024省卷;
2023省卷;2021省卷)
如:the second floor第二层
July 5th, 2026 2026年7月5日
2.修饰名词时,序数词前若无其他修饰成分,必须加the。
如:The first book is what he wants.
3.序数词前若有形容词性物主代词、名词所有格等限定词时,则不加the。
(2025省卷;2025兰州)
如:Tomorrow will be my father's fiftieth birthday.
4.序数词前面也可以加不定冠词a或an, 表示“又一;再一”,内含顺序性。
(2023兰州)
如:Do you want a second toy car
活学现用
3.Nick gave his mother a scarf on her ________ (forty)birthday.
4.This film is so touching that many people want to watch it a _______
(two) time.
5.Our teacher tells us that the school term ends on the _______(twelve)
of July.
fortieth
second
twelfth
命题点3 分数的构成与用法
1.分子用基数词,分母用序数词,分子大于1,分母加-s。
如: one second three fifths
2.分数作主语时,谓语动词的数由of后的名词的数决定。
如:One third of the students are girls.
Two fifths of paper has been used.
1.几个分数的习惯表达:a half 二分之一;a quarter四分之一;three
quarters 四分之三。
2.当分数大于1时,常用and将整数部分与分数连接。如:one and a half
一又二分之一;three and three fourths三又四分之三。
活学现用
6.About two ______ (three)of the students in our class like ancient
poems and they can write some by themselves.
7.So far, five twelfths of the visitors ____________ (visit) Yangzhou
Grand Canal Museum.
thirds
have visited
8.我们班五分之三的学生喜欢看电影。
______ ______ of the students in our class like watching movies.
Three
fifths
同步跟踪训练
真题回顾
1.(2025 省卷)There are 30 students in the art club. One third are
boys. So, the club has ___ girls.
B
A.10 B.20 C.30 D.40
2.(2024省卷)June is the ___ month of a year.
B
A.fifth B.sixth C.seventh D.eighth
3.(2023省卷)—What's thirty and ten
—It's ___.
A
A.forty B.fifty C.seventy D.eighty
4.(2025省卷)This is Li Hua's ______ (three)time to be a volunteer.
5.(2023兰州)This piece of music is so beautiful that I'd like to listen
to it a _______(two) time.
6.(2021省卷)The old man lives on the _______ (eight) floor.
7.(2020省卷)It's never too old to learn. Karl Max began to learn
Russian in his ______ (fifty).
third
second
eighth
fifties
基础巩固
Ⅰ.语法与情景对话
1.—What's twenty and forty
—It's ___.
A
A.sixty B.seventy C.eighty D.nighty
2.On his ___ birthday, he got the first gift from his best friend.
B
A.eight B.eighth C.the eighth D.the eighteen
3.—Would you like another cup of tea, Jenny
—Thank you anyway. I've already had one cup, and I'm drinking the
___ cup.
D
A.one B.first C.two D.second
4.His father looks young, but ____ fact he is ________.
A.in; in the forties B.in; in his forties
C.in the; in the forties D.in; in his forty
B
5.(2025张掖模拟)The program Chinese Poetry Conference(诗词大会)
gets attention from ___ people.
A
A.millions of B.million of C.million D.five millions
6.—What's fifty minus(减去) twenty
—It's ___.
B
A.fifty B.thirty C.eighty D.ninety
Ⅱ.根据句意,用括号内所给单词的适当形式填空。
1.Tomorrow is the little baby's birthday and it's his _______(two)
birthday.
2.Paper-cutting has been around for more than one _________
(thousand) years in China.
3.The old man lives on the ______(nine) floor.
4.I go to the sports center ______(two) a week.
5.Two ______(three) of the island is covered with trees.
second
thousand
ninth
twice
thirds
Ⅲ.根据所给汉语提示完成句子。(每空限填一词)
1.据报道,毛乌素沙漠三分之一的沙漠已经变成了森林。
It was reported that ______ ______ of the desert in the Mu Us Desert
had been turned into forest.
a/one
third
2.张掖如此美丽以至于每年都有成千上万的游客来参观。
Zhangye is so beautiful that __________ ___ tourists visit it every year.
thousands
of
3.他在上周的写作比赛中获得了一等奖。
He won the _____ ______ in the writing competition last week.
first
prize
4.我五岁的时候开始弹钢琴。
I began playing the piano when I was 5 ______ ____.
years
old
5.John叔叔在二十多岁的时候,梦想去太空旅游。
Uncle John dreamed of traveling to space ___ his ________.
in
twenties