内容正文:
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数词(第1课时)
课前导读
一、用所给数词的正确形式填空
1.Father’s Day is on the ______ (three) Sunday of June.
2.December is the ______ (twelve) month of a year.
3.My little brother is only in his ______ (one) year at primary school.
二、根据汉语提示完成句子
1.我们学校三分之一的学生来自农村。
______ ______ of the students in our school are from the countryside.
2.我住在九楼。
I live on the ______ ______.
课前感知《数词》用法
third
twelfth
first
one
third
ninth
floor
★Contents★
2. 基数词
1.数词的分类
3. 序数词
4.分数表达法、编号表达法
课端导学
1.数词的分类
数词
基数词
(Cardinal numbers)
序数词
(Ordinal numbers)
描述事物数量多少的数词
表示顺序的数词
课端导学
There are three hundred and sixty-five days in a year. 一年有365天
May is the fifth month of the year. 五月是一年中的第五个月份。
课端导学
基数词和序数词的转换
一般情况:词尾 -th
基数词变序数词的规律
four--________ thirteen--___________
特殊情况:
1. one--_____ two--______ three--_____
3. five--______ twelve--______
2. eight--______ nine--______
4. twenty--__________
5. twenty-one--_________
第一、二、三特殊记
八去t,九去e
遇到ve用 f 替
ty变为tie
若想表达几十几,只变个位就可以
从四加起th
fourth
thirteenth
first
second
third
eighth
ninth
fifth
twelfth
twentieth
twenty-first
1.The ______(nine) month of a year is September.
2.My doctor advised me to take the medicine ______(two) a day,in the morning and evening.
3.Tianwen 1,China's _______(one) Mars probe(探测器) successfully entered space in February.
first
ninth
twice
序数词要加定冠词the,但若序数词前有形容词性物主代词或名词所有格时省略the。
He made the mistake for the third time.
= It was his third time to make the mistake.
注意
Even though the Greens have 3 children, they still want a fourth one.
3)序数词前加a/an表示“又一,再一”
用所给数词的适当形式填空
I have tried three times, and the teacher asks me
to have a _______ (four) try.
Even a child knows September is the _______ (nine) month of a year.
I’ve bought a present for my father’s _______ (fifty) birthday.
fourth
ninth
fiftieth
课中导练
4.分数表达法
分子基,分母序,分子大于1,分母加s
1/3
one third
2/3
two thirds
1/2
one second
1/4
a half
one fourth
a quarter
请选出正确答案。
1. __________ of the schoolbags have been sold out.
A. Three four B. Three fourth
C. Third fourth D. Three fourths
D
学以致用
课端导学
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请选出正确答案。
2. More than __________ of the students usually surf on the Internet to get information.
A. eighty percents B. eighty percent of
C. eighty percent D. eighty percents of
学以致用
C
课中导练
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4.分数的表达
4.编号表达法
序号在前用序数词,序号在后用基数词(首字母大写)
第2 课:
the second lesson
Lesson Two
第5 页:
the fifth page
Page Five
520号房间:
Room 520
课端导学
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请完成下列句子。
1. Do you know when _______________________________ (第一次世界大战) broke out?
2. Her daughter is in _________________________ (五(3)班) in that primary school.
学以致用
World War I / the First World War
Class 3, Grade 5
课中导练
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II. 语法填空。
1. He failed twice, but he tried ____________ (three) time.
a third
【解析】 本题考查序数词。“不定冠词+ 序数词”的结构表示“又一;再一”,是泛指,而非特指。句意为“他失败了两次,但他又试了一次”。
2. There were ______________ (thousand) trees here ten years ago.
thousands of
【解析】本题考查基数词表示约数。句意为“十年前这里有数以千计的树木”。
课中导练
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3. The young man is in his _____________ (twenty).
twenties
【解析】本题考查年龄的表达。in one’s + 整十的复数形式,表示处于该年龄段。
4. There are __________ months in a year. December is the __________ month of a year. (twelve)
twelve
【解析】本题考查基数词和序数词。
句意为“一年有12 个月,12 月是一年的第12 个月”。
5. It took me one and a half ___________ (hour) to find the key to the car.
hours
【解析】 本题考查时间的表达。one and a half 是大于1 的数,因此hour 要用复数形式。“一个半小时”还可以表达为one hour and a half。
twelfth
课中导练
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6. We all like the boy of ___________________ (ten year) old.
ten years
【解析】 本题考查年龄作后置定语。“基数词+ years old”在of 后作后置定语,在be 动词后作表语;在“a+ 基数词-old-year+ 名词”的结构中,年龄作前置定语。
7. The headmaster’s office is on _______________ (five) floor.
the fifth
【解析】本题考查楼层的表达。结构为“on+ the+ 序数词+floor”。
8. It’s just ____________________ (ten minute) walk from our school to my house.
ten minutes’
【解析】 本题考查数量词组修饰名词。结构为“基数词+ 名词的所有格+ 中心名词”。这里ten minutes’ walk = a ten-minute walk。
课中导练
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9. He asked for a _______________ (three week) leave because he had to look after his sick mother.
three-week
【解析】本题考查数量词组修饰名词。结构为“a/an+ 基数词- 名词+ 中心名词”。
10. There ______ (be) a number of students playing on the playground.
are
【解析】 本题考查不定数量的常用短语。a number of 修饰可数名词,students 为复数,所以be 动词用复数形式are。
11. Jenny bought __________ (two dozen) egg tarts.
two dozen
【解析】本题考查基数词表示确数。“基数词+dozen 单数形式”表示确数。
课中导练
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12. Please turn to Page __________ (three) and read __________ (three) paragraph.
three
【解析】本题考查基数词和序数词。编号的表达法为“名词+ 基数词”或“the+ 序数词+ 名词”。
13. Though she is only a ___________ (five year old) girl, she can take care of herself.
five-year-old
【解析】本题考查数量词组修饰名词。结构为“a/an+ 基数词- 名词+ 中心名词”。
the third
课中导练
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14. The room is _________________ (three time big) that room.
three times as big as
【解析】本题考查倍数表达法。结构为“倍数+as+adj./adv. 的原级+as”。
15. He took out a __________ (ten dollar) bill.
ten-dollar
【解析】本题考查数量词组修饰名词。结构为“a/an+ 基数词- 名词+ 中心名词”。
课中导练
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课尾导思
III. 完成以下句子翻译题。
1.教室里二十五个学生。
2.他买了三十朵玫瑰,打算把第一朵送给妈妈。
3.我有二十本,它们放在第三个书架上。
There are twenty-five students in the classroom.
He bought thirty roses and planned to give the first one to his mother.
I have twenty books and they are placed on the third bookshelf.
课后导拓
1.完成书本“真题重现划重点”练习
课后作业
2.背诵以下知识点
3
数词(第2课时)
课前导读
课端导学
复习《数词》用法
1. Please turn to Page 10 and read __________ story. (2019年第16题)
A. two B. second C. the second D. the two
C
【解析】本题考查数词表示编号的用法。有“名词+基数词”或“the+序数词+名词”两种表达方式,此处属于后者。本句句意为“请翻到第10页,阅读第2个故事”。
链接高职高考,实战练习
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2. __________ of the students will have chances to go to college in the future. (2016年第26题)
A. Three four B. Three fourths
C. Thirds fourths D. Thirds fourth
B
【解析】本题考查分数的用法。分子是基数词,分母是序数词。当分子大于1时,分母要用复数形式。本句句意为“有四分之三的学生未来将有机会上大学”。
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3. This company gave the staff a __________ holiday. (2015年第29题)
A. two-week B. two-weeks
C. two-week’s D. two-weeks’
A
【解析】本题考查数量词组修饰名词的用法。结构为“a/an+基数词-名词+中心名词”。本句句意为“这家公司给了员工一个两周的假期”。
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II. 选择正确答案。
1. —We’ll be back for our school’s _________ anniversary ceremony.
—I see. That means you’ll have a get-together with your classmates in
_______ years.
A. twelve, fifth B. twelveth, five
C. twelfth, five D. twelfth, fifth
C
【解析】本题考查基数词和序数词的用法。“十二周年校庆”意指第12个校庆日,应用序数词,“在五年之后”要用基数词表示。同时,要注意12的序数词的正确写法是twelfth。
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2. There are __________ tourists visiting Xiangjiang Wild Animals Zoo every month.
A. thousands B. thousands of
C. thousand D. five thousands of
B
【解析】本题考查数词的用法。表达确切数字用基数词+thousand,表达非确切数字用thousands of。本题没有具体数字,因此用thousands of。
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3. Nearly __________ of the earth __________ covered by sea.
A. three fourth, is B. three fourths, are
C. third fourths, are D. three fourths, is
D
【解析】本题考查分数的表达和主谓一致。本句句意为“几乎四分之三的地球表面被海洋覆盖”。当分子大于1时,分母用序数词的复数形式。“四分之三的地球表面”是一个整体,故动词用第三人称单数形式。
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4. My mother is very happy because she will have _____ holiday next week.
A. seven-days B. a seven-days
C. a seven-days’ D. a seven-day
D
【解析】本题考查数量词组修饰名词的用法。“a/an+基数词-名词+中心名词”这个结构中名词用单数形式,且数词和名词之间用连字符连接。“一个7天的假期”的表达为a seven-day holiday。
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5. Mr. Brown earns __________ he used to.
A. more than twice B. twice as many as
C. twice as much as D. as twice as much
C
【解析】本题考查倍数的表达。本句句意为“布朗先生这一次挣的是往常的两倍”。倍数的表达结构为“倍数+as+adj./adv.的原级+as”,选项A、D均不正确;钱是不可数名词,要用much修饰,故选C。
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III. 完成句子。
1. Mr. Smith lives in _________________________ (503室).
2. My school is just ____________________________________ (离这儿500米).
3. My father has a ___________________________ (二手的) shop.
4. ___________________ (四分之三) of the world’s books and newspapers are written in English.
5. Sam will take part in the ____________________ (100米) race tomorrow.
Room 503
five hundred meters away from here
second-hand
Three fourths
100-meter
课中导练
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6. Thousands of students studied abroad ____________________ (在20世纪90年代).
7. The TV was invented around ______________________ (20世纪).
8. It’s 9:45. We can say _______________________ (一刻钟) to ten.
9. I think A Bite of China III is not so good as __________________ (前两个).
10. The population of China is about ______________________ (14亿).
in the 1990s/1990’s
the twentieth/20th century
a quarter
the first two
1,400 million
课中导练
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11. ________________ (百分之七十的) the students in our school are from the north.
12. Nowadays, many couples have new babies in ____________ (他们四十多岁) for the Three-Child policy.
13. Tom has been in Guangzhou for _____________________________________ (两个半月).
14. He was so hungry that he ate _________________ (三碗饭).
15. ___________________ (四分之一) of the workers are women.
Seventy percent of
their forties
two and a half months / two months and a half
three bowls of rice
A quarter / One-fourth
课中导练
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完成句子总结
second-hand 二手的
a quarter / one-fourth 四分之一
数字+ hundred meters away from here 离这多少米
100-meter 100米
three fourths 四分之三
the first two 前2个
课尾导思
课后导拓
小结
数词
数词
用来表示“数目多少”和“顺序第几”的词,可分为基数词和序数词。
定义
分类
基数词
序数词
课后作业
完成《小题狂练》习题
THANKS
感谢大家观看
Thank you for watching
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