外研版八年级上册Module 9 Population Unit 1 The population of China is about 1.37 billion.课件(共35张PPT)

(共35张PPT)
Module9 Population
Unit 1
The population of China is about 1.37 billion.
too many ________
people
Look at the pictures and fill in the blanks.
too much _______
noise
too much ________
traffic
too much _________
smoke
noise
prepare
notes
report
huge
increase
Do you know these words
problem
birth
billion
fifth
grow
noise people space traffic
Work in pairs. Look at the picture and talk about it. Use the words in the box to help you.
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) About 33 million
Listen and choose the correct answer.
1. What is Tony preparing for a report called “our growing population”
2. Where are they talking
Some notes.
In Beijing.
Listen and answer questions
1. Is population increase a big problem in many countries
Yes, it is.
2. How many babies are born every minute in the world
Over 250.
3. Will China’s population grow fast Why
No, it isn’t. Because families are getting smaller.
Listen and read
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
about 1.37 billion
about 7 billion
Complete the notes.
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.
Choose 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.
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
Listen and repeat
1,370,000,000
one billion, three hundred and seventy million
2,000,030,000
two billion and thirty thousand
There are too many people in the world.
The increasing population is the biggest problem in the world.
People should not have too many babies.
A city should not hold more than one million people.
Check the statements you agree with.
I’m preparing some notes for a report called “Our growing population”.
prepare … for … 表示“为…准备…”。
e.g. He is preparing a dinner for his
friends.
他正在为他的朋友准备晚饭。
Language points
2. That causes a lot of problems, such as too much traffic and noise.
too many 后面加可数名词，表示 “太多的”。
too much 后面加不可数名词，表示“太多的”。
3. I can’t believe it!
表示“简直难以置信”。表示一种惊讶。
4. The population of China is about 1.37 billion.
billion(十亿), million (百万), thousand (千)都是数字单位。当前面有数词时，这些数字单位不加s，当前面没有数词时，这些数词后面加s和of。
5. That’s almost one fifth of the world’s population, ...
one fifth 表示“五分之一”，fifth是序数词。
分数的表达：分子用基数词，分母用序数词。分子大于1时，分母 + s。
e.g. 2/5: two fifths
6. Hang on a minute!
通常用来表示让某人等一下。
e.g. Hang on! I’ll be back in a minute.
7.population n. 人口
1) population 是一个集体名词，作主语时，若指一个地区或国家的整体人口，谓语动词通常用单数；若强调整体人口中的成员，谓语动词通常用复数。例如：
The population of the city is about 20,000.
这个城市大约有两万人口。
Three fifths of the population here are old people.
这里五分之三的人是老年人。
2) 表示一个地区或一个国家有多少人口时，可用 the population of ... is ... 或 ... has a population of ...。例如：The population of our country is 28,100,000.
我们国家的人口是二千八百一十万。
The city has a population of 50,000.
这座城市有五万人口。
形容“人口数量的多或少”可用large 或 small 修饰。例如：
The population of Beijing is large.
北京人口众多。
3) 在询问人口时，要注意 population 和 people 的区别。前者通常用what来提问，后者用how many 来提问。例如：
What’s the population of Canada
加拿大的人口是多少？
How many people are there in the hall
大厅里有多少人？
朗读时，将每三位数看做一个单位，依次为billion，million，thousand。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。
e.g. 729 ：seven hundred and twenty nine.
6,500,431,729：six billion five hundred
million four hundred and thirty one
thousand seven hundred and twenty nine.
数字的表达
Number practice
150,000: one hundred and fifty thousand
500,000: five hundred thousand
2,100,000:
two million, one hundred thousand
5,600,000:
five million, six hundred thousand
82,550,000:
eighty-two million, five hundred and fifty thousand
200,030,040:
two hundred million, thirty thousand and forty
-What are you preparing _____ your
party
-I’m thinking about who I’ll invite.
A. at B. for C. with
2. There are _____ people in the little room.
A. so much B. so many C. very much
B
B
练一练
3. How do you read 131,400,000 ____.
A. One hundred and thirty one million four hundred thousand
B. One hundred and thirty one million four hundred thousand
C. One hundred and thirty one million four hundred thousand
A
4. - Could you give me some advice about
learning English
- Certainly. Why not ____ in class
A. make books B. make notes
C. making notes
5. ____ of the world’s population is in China.
A. One five B. One fifths C. One fifth
B
C
I think ____ of the materials I listened to at the beginning of the exam ____ easy.
A. three fourths, is
B. third four, are
C. three fourths, are
D. three fourth, are
C
中考衔接
2. ____ trees have been planted near
here, so the air is very fresh.
A. Two hundreds B. Hundred of
C. Hundreds of D. Hundreds
C
3. _____ visitors come to Xingyi during May Day holidays every year.
A. Thousands of B. Two thousands
C. Thousand of D. Thousand
A
编写一个报告，说明世界的人口增长问题。
Homework