课件29张PPT。Module 9 Population Unit 1
The population of China
is about 1.37 billion./n?Iz /
/prI'pe? /
/n?uts /
/rI'p?:t /
/ɡr?u /
/hju:d?/
/k?:z /
噪声;杂音 n.noise 准备；预备 v.prepare笔记；随 笔 n.(pl.)report报告；汇报 n. (grew /ɡru:)增长；增大 v.notesgrowWords and expressionshuge造成；引起 v.巨大的；庞大的 adj. cause/'pr?bl?m /
/'I?kri:s /
/b?:θ/
/'bIlj?n /
/fIfθ/
hang on
麻烦；问题 n. problem增大；增长 n.
增大；增长 v
increase birth出生 n. 十亿 num. 第五；五分之一 num. billion 稍等fifth本课词组1.准备笔记
2.在正确的地方
3.谈论
4.一座大城市
5.很多问题
6.大量的人口
7.例如
8.太多的交通 prepare some notes in the right place talk about a huge city a lot of problems a large population such as too much traffic9.人口增长
10.一个大问题
11.我不相信
12.五分之一
13.稍等（一分钟）
14.写下
15.在将来
16. 70 亿 population increase a big problem I can’t believe it. one fifth Hang on a minute. write down in the future 7 billionWatch the video and discuss.What problem can you see in the video? What’s happening to our city now?crowdssmokepollutionheavy trafficnoisepopulationThere are so many people on the Great Wall that you can’t take photos.There are so many people that we can’t get on the bus. Use words in the box to describe the photo.noise people space traffic Listen and choose the correct answer.1. What's the population of Beijing?
a) About 11 million.
b) About 13 million.
c) About 20 million.
2. What's the population of Chongqing?
a) About 28 million.
b) More than 33 million.
c) About 36 million.cbWhat are they talking about?They are talking about the increasing population.Listen and answer.Read the conversation and complete the table.over 250131.4 million1.37 billion7 billionListen again and check the answers.Choose the correct answer.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.7 A report is a long piece of writing / a few words.
8 A billion is a hundred / a thousand million.5 Making notes means writing a long passage / a few words.
6 A problem is something easy / difficult. RetellingOur growing populationproblemstraffic ,noisesome number about population…born…
…makes…...about
1.37billion…
…one fifth of… in the future…won’t grow…
…getting smaller Have a rest!I can’t believe it!
Hang on a minute!
Great!Read and remember some everyday English sentences.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.101
110
122
143
1,000
1,000,000
1,000,000,000one hundred and one
one hundred and ten
one hundred and twenty-two
one hundred and forty-three
one thousand（千）
one million (百万）
one billion (十亿）Can you say these numbers?1, 000, 000, 000billionmillionthousand123
1,234
12,345
123,345
1,234,567one hundred and twenty-threeone thousand, two hundred and thirty-fourtwelve thousand, three hundred and forty-fiveone hundred and twenty-three thousand,
three hundred and forty-fiveone million two hundred and thirty-four
thousand five hundred and sixty-sevencomma
逗号 英语中四位数和四位数以上数字的读法：
从数字的右端向左端数起，每三位数加一个逗号“,”。从右开始，第一个“, ”前的数字后添加 thousand，第二个“, ”前面的数字后添加 million，第三个“,”前的数字后添加 billion。然后一节一节分别表示，两个逗号之间最大的数为百位数形式。7,000
28,000
135,000
7,000,000
4,500,000
79,000,000
350,000,000
21,000,000,000Let’s practice!seven thousandtwenty-eight thousandone hundred and thirty-five thousandseven millionfour million and five hundred thousandseventy-nine million three hundred and fifty milliontwenty-one billion2,648 two thousand, six hundred and forty-eight
16,250,064 sixteen million, two hundred and fifty thousand and sixty-four
5,237,166,234 five billion, two hundred and thirty-seven million, one hundred and sixty-six thousand, two hundred and thirty-four8,742
2,463,128
1,370,000,000
2,000,030,000Listen and repeat the numbers.eight 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 thousandCheck the statements you agree with.1. There are too many people in the world.
2. The increasing population is the biggest problem in the world.
3. People should not have too many babies.
4. A city should not hold more than one million people. Work in pairs.Work in groups and discuss your answers.Topic: People shouldn’t have too many
babies.A: We think people shouldn’t have too
many babies, because …
B: In our opinion, people should have
more babies. If there’s only one child,
he or she must feel very lonely. At home
he or she will have no sisters or
brothers to play with or to talk with …Work in pairs. Talk about the results of overpopulation. 1. There is not enough space.
2. There is too much traffic, noise and pollution.
3. Along with the crowds, there will be
smoke and the transport problems.
4. If there are too many people, their
work will be influenced in the future.
5. …
