课件38张PPT。Module9 Population
Unit 1 The population of China is about 1.37 billion. 外研版 八年级上册Free talkWhat’s the population of China now？截止2018.1.101,384,688,986The population of China is about
1.38 billion.China has a population of about
1.38 billion.[‘b?lj?n]十亿 How do you read big numbers?It’s more than 1.3 billion.Lead-inWatch and learn.0
1
2
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9
1011
12
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2130
40
50
60
70
80
90
100zero
one
two
three
four
five
six
seven
eight
nine
teneleven
twelve
thirteen
fourteen
fifteen
sixteen
seventeen
eighteen
nineteen
twenty
twenty-onethirty
forty
fifty
sixty
seventy
eighty
ninety
hundred101
110
122
143
1,000
10,000
1,000,000
100,000,000
1,000,000,000one hundred and one
one hundred and ten
one hundred and twenty-two
one hundred and forty-three
one thousand（千）
ten thousand （一万）
one million(百万）
a /one hundred million（一亿）
one billion(十亿）A thousand million.百位到十位之间要加入 and。111,121,435,678
↓ ↓ ↓billion
十亿million
百万thousand
千读：one hundred and eleven billion
one hundred and twenty-one million
four hundred and thirty-five thousand
six hundred and seventy-eight逗号读法朗读时，将每三位数看做一个单位，依次为billion十亿，million百万，thousand千。每个单位按照百、十、个位向下读，其中百位到十位之间要加入 and。大数字的表达方法6，500，431，729thousandmillionbillionhundredseven hundred and twenty-nine six
billion,five hundred million,four hundred and thirty-one thousand,大数字的表达方法98ninety-eight125one hundred and twenty-five10256,6718,844.439,600,000one thousand and twenty-fivesix thousand six hundred and
seventy-oneeight thousand eight hundred
and forty-four point four threenine million six hundred thousand 小数点读point8,742
2,463,128
1,370,000,000
2,000,030,000eight thousand, seven hundred and forty-twotwo million, four hundred and sixty-three thousand, one hundred and twenty-eightone billion, three hundred and seventy milliontwo billion and thirty thousandListen and repeat.5Pronunciation and speakingNew drillsWhat problem can you see in the video? Our country is a huge country with a large population. [hju:d?]巨大的 too much _______noisetoo many ________people[?n?kri:s]增加 _________________ is a big problem in China.That causes a lot of problems Population increase[k?:z ]导致too much _________smoke/pollutiontoo much ________trafficWork in pairs. Look at the picture and talk about it. Use the words in the box to help you.1noise people
space traffic There is too much noise in the street. The population is becoming bigger and bigger. There is so much smoke in the sky. We won’t have enough space to live in. Too many cars bring traffic problems. What’s the population of Beijing?
a) About 11 million c) About 20 million
b) About 13 million
2. What’s the population of Chongqing?
a) About 28 million c) About 36 million
b) More than 33 millionListen and choose the correct answer.2Conversation
Betty:?I?went?shopping?in?the?city?centre?with?my family?last?week.?
Tony:?Did?you?have?a?good?time??
Betty:?Yes,?I?did,?but?there?was?a?lot?of?traffic?on?the?way?there.?
Then?there?were?too?many people?and?not?enough?space.?It?was?
impossible?to?move.?And?there?was?a?lot?of?noise.?
Tony:?Well,?Beijing?is?a?big?city.?
Betty:?Yes,?it?is.?It?has?a?population?of?about?twenty?million.
Tony:?Twenty?million!Does?Beijing?have?the?largest?population?in?
China??Listen again and check your answers.Betty:?No,?it?doesn’t.?Chongqing?has?the?largest?population in?China.?More?than?thirty- three million?people live there.?
Tony:?Really??That’s?a?lot?of?people!
Betty:?Yes,?and?there’s?a?lot?more?pollution?in?the?air.?I had a good time when I went shopping last week. But there was a lot of 1._______ on the way there. Then there were too 2.______ people and not enough 3.______. And there was a lot of 4.______. Beijing is a big city with a population of about 5.______ million. But Chongqing has the 6.________ population. More than 7.____________ million people live there. Complete what Bettey said according to the conversation.trafficspacenoisetwentythirty-threemanylargestPre-listeningThey are talking about the growing population.Lingling & Betty&TonyTony is preparing a report called .
A. our great country B. our growing population
C. our growing country
Beijing is a huge country with .
A. long history B. many old people C. large population
3. Population increase is a big problem .
A. in many countries B. in China C. both A and B
4. China has of the world’s population.
A. One fifth B. a quarter C. a thirdReading taskListen and choose the answers. BCCA五分之一Babies born every minute in the world:
Babies born every year in the world:
Population of China:
Population of the world:Read and complete the notes.Over 250. Over 131.4 million. about 1.37 billionabout 7 billion3That’s almost one fifth of the world’s population.Video timeLet's watch the video.Read and answer the questions.1. Is population increase a big problem in many countries?
2. How many babies are born every minute?
3. Will China’s population grow so fast? Why?Reading task No, it won’t. Because families are getting smaller.Yes, it is.Over 250 babies are born every minute.Reading taskListen and repeat.Betty: What are you doing?
Tony: I’m preparing some notes for a report
called “Our growing population”.
Lingling: Well, we’re in the right place to talk about that!
Beijing is a huge city with a large population. That
causes a lot of problems, such as too much traffic and noise.
Betty: It’s not only Beijing. Population increase is a big
problem in many countries. Do you know how many
babies are born every minute in the world?
Tony: No. Can you tell me?Betty: Over 250! That makes over 131.4 million births a
year.
Lingling: I can’t believe it!
Betty: The population of China is about 1.37 billion.
That’s almost one fifth of the world’s population,
that is, about 7 billion.
Tony: Hang on a minute! I will write that down too!
Betty: But in the future, China’s population won’t grow
so fast, because families are getting smaller.
Lingling: How do you know all this?
Betty: I wrote my report yesterday!
Tony: Great, thanks! Now I can write my report!1.I’m preparing some notes for a report called “Our growing population”.我正在为一篇名为《我们不断增长的人口》的报告准备笔记。prepare用作动词，意为“准备”，后面常跟名词、代词、动词不定式作宾语。 prepare … for … 为……准备……
prepare后还可以接间接宾语，即prepare sb. sth.，相当于
prepare sth. for sb.，意为“为某人准备某事（物）”。 Mum prepares breakfast for me every morning.
妈妈每天早晨为我准备早餐。
We began to prepare for this journey a week ago.我们一周前开始为这次旅行做准备。Language points2. Beijing is a huge city with a large population.
北京是一个人口众多的大城市。1) population n. 人口,人数
集体名词,无复数形式,在句中作主语时,谓语动词用单数形式.
2) population 之前若有分数修饰做主语时,谓语动词则可用复数形式. 中国人口有13亿多。
The population of China is over 1.3 billion.
这儿大约有五分之三的人口是农民。
About three fifths of the population here are farmers. 3) 表示某一范围内有多少人口时, 用 has a population of + 数词.
4) 问某地有多少人口时, 用 What is/was the population of + 地名?
= How large is the population of +某地?
5) 表示人口的多少时,用large或small 修饰,而不能用many, more或few等。What’s the population of China?
China has a population of 1.3 billion.
=The population of China is about 1.3 billion.
中国有13亿人口。
China has the largest population of the world.
中国是世界上人口最多的国家。3. That causes a lot of problems, such as too much traffic and noise.那会引起众多问题，比如交通拥挤，噪音污染等。4. That's almost one fifth of the world's population.
几乎占了世界人口的五分之一英语分数:“基数词(分子)＋序数词(分母)” 分子大于1时，分母要用复数形式。特殊表达：a half ：二分之一
a quarter：四分之一 three quarters：四分之三 2/5: two fifths
Two thirds of the students have passed the exam.
2/3的学生已经通过了考试。?Everyday EnglishI can’t believe it!
Hang on a minute!
Great!我真是不敢相信！
等一会。
太棒了！— The three-year-old boy can play guitar very well.
— I can’t believe it!— Can I leave a message to him?
— Hang on a minute, please! I’ll find a pen to write.— Let’s go and have a drink of coffee.
— Great! I’d like to go with you.prepare… for
take some notes
a report called…
a huge city with a large population
too much noise
population increase
one fifth
hang on a minute
write down
in the future
get smallerKey phrases为…做准备
记一些笔记
一个叫…的报告
一个有着很多人口的大城市
太多噪音
人口增长
五分之一
等等
写下来
在将来
（人口）变得越来越少1. Birth happens at the start / at the end of life.
2. Huge means large / small.
3. An increase in population means more / fewer people.
4. Hang on a minute means waiting for
a short time / a long time.4Choose the correct answer.5. Making notes means writing a long passage / a few words.
6. A problem is something easy / difficult.
7. A report is a long piece of writing / a few words.
8. A billion is a hundred / a thousand million.Role playWork in groups to act out the conversation. Requirements:
★分角色
★有场景，有表演
★ 声音流畅、洪亮、注意重读
★3 minutes Lingling & Betty&TonyConsolidationTony is _________ some notes ___ a report called “our growing population”. Beijing is a huge city _____ a large population. That _____a lot of problems, such as too _____ traffic and noise. Population ________ is a big problem in many countries. Over 250 _____ are born every minute in the world. That makes over 131.4 million _____ a year. The population of China is about 1.37 _______ . That’s almost ________ of the world’s population. But in the future, China’s population won’t _______ so fast, because families are getting smaller.preparingforwithcausesmuchincreasebabiesbirthsbillionone fifthgrowComplete the passage . Check the statements you agree with.6Discusssion1.Which country has the largest population in the world? And what's the population of the country?
2.Does the large population cause problems?
And what are the problems? What should people do ?
Phrases may help you:too many people 人太多
too much nise 太多噪音
too much traffic 交通拥挤
not enough space to park 没有足够的停车位
water/air pollution...空气或水污染谢谢21世纪教育网（www.21cnjy.com) 中小学教育资源网站 有大把高质量资料？一线教师？一线教研员？
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