(共30张PPT)
Module 9
Unit1 The population of China is about 1.37 billon.
Learning objectives
1. To listen and understand the topic of population.
2. To say large numbers.
3. To talk about population problems.
billion
num. 十亿
The population of China is about 1.37 billion. That's almost one fifth of the world's population, that is, about 7 billion.
fifth
num. 第五，五分之一
What's the population of your city
What problem do you think China's large population will cause
Work in pairs. Look at the picture and talk about it. Use the words in the box to help you.
1
noise people space traffic
n. 噪声，杂音
Listen and choose the correct answer.
2
1 What is the population of Beijing
a) About 11 million. b) About 13 million.
c) About 20 million.
2 What is the population of Chongqing
a) About 28 million. b) More than 33 million.
c) About 36 million.
c
b
Listen and read.
3
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.
n. 笔记，随笔
n. 报告，汇报
v. 增长，增大
adj. 巨大的，庞大的
v. 造成，引起
n. 麻烦，问题
Betty: It’s not only Beijng. 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 don’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’ll write that down too!
n. 增大，增长；v. 增大，增长
n. 出生
稍等
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!
Everyday English
I can’t believe it!
Hang on a minute!
Great!
Now check(√)the true sentences.
1 Beijing is a city with a small population.
2 The large population causes a lot of problems, such as too much traffic and noise.
3 The population of China is almost one fifth of the world's population.
4 China's population will grow so fast in the future.
√
√
Now complete the notes.
Babies born every minute in the world:
Babies born every year in the world:
Population of China:
Population of the world:
over 250
131.4 million
1.37 billion
7 billion
[观察1] That causes a lot of problems, such as too much traffic and noise.
那造成了许多问题，比如太多的车辆和噪声。
[探究] noise通常指“____________”，既可作____________，也可作____________。noise的形容词形式是noisy，常用作定语或表语。
噪声；杂音
可数名词
不可数名词
[辨析] noise, voice与sound
noise 作名词，专指“噪声，不悦耳的声音”。
voice 作名词，指人的“嗓音”， 如说话声、笑声、歌声，也可指鸟儿的鸣叫声。
sound 作名词，指自然界中人能听到的各种声音。
活学活用
There was too much ________ in the classroom and he needed peace.
A．voice B．noise
C．sound D．song
B
[观察2] I'm preparing some notes for a report called “Our growing population”．
我正在为一篇名为“我们正在增长的人口”的报告准备笔记。
[探究] prepare的常见用法如下：
活学活用
[2018·恩施]当你去香港时，我正忙着准备期末考试．(prepare)
While you were on the visit to Hong Kong, I was busy __________ ________ my final exams.
preparing
for
[观察3] Population increase is a big problem in many countries.
在许多国家，人口增长是一个大问题。
The number of people working at home will increase steadily during the next decade. 未来十年，在家工作的人数将稳步增长。
[探究] increase既可作________，也可作________。它作名词时，既可作可数名词，也可作不可数名词。
[搭配]
Attacks by dogs on children are on the increase.
狗袭击儿童的事件越来越多。
名词
动词
活学活用
—The price of food, drinks and clothes ________ so quickly these years.
—I don't think so.
A．develops B．raises
C．improves D．increases
D
[观察4] That's almost one fifth of the world's population, that is, about 7 billion. 那几乎是世界人口的五分之一，也就是说，约70亿的五分之一。
[探究] 表达分数时，用基数词表示分子，序数词表示分母。当分子大于1时，表示分母的序数词用________形式。含有分数的短语作主语时，谓语动词在数上与分数后的名词保持一致。
Two thirds of the students in my class are boys.
我班三分之二的学生是男生。
复数
活学活用
[2019·天水]________ of the students in our class ________ going to summer camp in Beijing next week.
A．Two fifths; is B．Second fifths; are
C．Second fifths; is D．Two fifths; are
D
[观察5] Hang on a minute! I'll write that down too!
稍等一会儿！我要把这点也记下来！
[探究] “hang on”是口语，意为“________”。已学过的类似的表达还有wait a minute/moment。
[拓展] hang on还是电话用语，意为“__________”，与hold the line和hold on同义。
Hang on. He is coming. 别挂电话。他就要来了。
稍等
别挂电话
活学活用
[2019·天津西青区富力中学月考]—Hello, this is Lingling. Can I speak to Sally
—________ Sally is coming.
A．Good idea. B．I can't believe it!
C．Please hang on! D．You're welcome.
C
Choose the correct answer.
4
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.
—————
——
——
—————
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.
—————
————
—————————
————
Listen and repeat.
5
8, 742
eight thousand, seven hundred and forty two
2, 463, 128
two million, four hundred and sixty three thousand, one hundred and twenty eight
1, 370, 000, 000
one billion, three hundred and seventy million
2, 000, 030, 000
two billion and thirty thousand
Check(√)the statements you agree with.
6
Now work in groups and discuss your answers.
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.
根据汉语提示完成句子
1. Population ________ (增长) is a big problem in many countries.
2. Mr Black will give us an important ________ (报告) tomorrow.
3. Fog and haze caused a lot of ________(问题)．
4. My little brother knows that a _______ (十亿)is a thousand million.
5. —What's your ________ (出生) date
—It's April 3rd, 1973.
increase
report
problems
Exercise
billion
birth
GOOD JOB
