八年级上>Module 9 Population>Unit 1 Thepopulation of China is about 1.37 billion课件

课件40张PPT。Unit 1
The population of China is about 1.37 billion.Module 90
1
2
3
4
5
zero
one
two
three
four
fivecan you remember these numbers?six
seven
eight
nine
ten
6
7
8
9
1011
12
13
14
15
16eleven
twelve
thirteen
fourteen
fifteen
sixteen
can you remember these numbers?17
18
19
seventeen
eighteen
nineteen
20
30
40
50
60
70
80
90
100
twenty
thirty
forty
fifty
sixty
seventy
eighty
ninety
hundred
can you remember these numbers?22
35
47
68twenty- two
thirty-five
forty-seven
sixty-eight
表达几十几, 注意:个位与十位间一般要用连字符号 “-”,十位与百位间用 “and”,101
110
122
143
one hundred and one
one hundred and ten
one hundred and twenty-two
one hundred and forty-three
百位以上的数字要加逗号
.1,483one thousand, four hundred
and eighty- three
1,000
1,000,000
1,000,000,000
one thousand（千）
one million(百万）
one billion(十亿）1 , 000 , 000 , 000billionmillionthousand
1,234,567,891
one billion,
two hundred and thirty-four million,
five hundred and sixty-seven thousand,
eight hundred and ninety onecomma
逗号
十亿867
eight hundred and sixty-seven
543
five hundred and forty-threeSay loudly768,540
seven hundred and sixty-eight thousand, five hundred and forty
6,754,320
six million, seven hundred and fifty-four thousand, three hundred and twenty2,100,000
two million, one hundred thousand
1,370,000,000
one billion, three hundred and seventy million2.1million two point one million1.37 billion one point three seven billionWork in pairs. Look at the picture and talk about it. Use the words in the box to help you.noise people
space traffic1 a huge city
with a large
population
too many people
cause a lot of
problems
such as
too much traffic
too much noise
no enough space _________________ is a big problem
in many countries.Population increaseListen and choose the correct answer.What is the population of Beijing?
a) About 11 million c) About 20 million
b) About 13 million
2. What is the population of Chongqing?
a) About 28 million
b) More than 33 million
c) About 36 million 2Listen, read and 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 250Over 131.4 millionAbout 1.37 billionAbout 7 billion3 one fifth 五分之一I can’t believe it . Read it and answer :1. What is Tony doing now?
2. what’s the name of the report?He is preparing some notes for a report.It’s called “Our growing
population”.4.3. we’re in the right place to talk about “that”.
The word “that ” refers to ____________
Beijing
the population of Beijing
population4. What are the problems caused by the large population?
Too much traffic
so much noise
Too much pollution (污染)
All above.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.55. 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.Check(√) 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 shouldn’t have too many babies.
4. A city should not hold more than one million people. Now work in groups and discuss your answers.6√√√√Do you agree ?In the future ,Chinese population will grow faster and faster.Why ?So families are getting smaller .Each family only has one or two children.Discuss in pairs In my opinion, the population of China
will be smaller and smaller.The fewer children a family has ,
the happier people will be.notThe population of China:The population of the world :So the population of China is almost
about ____________ of the world’s
population.1.37 billion7 billion
one fifthWhat can We learn from the lesson?The population of China is so large.
It has been a big problem . 回顾小结 We also know that the world has a large population.
As Chinese, we should not have
too many babies.That causes a lot of problems. People shouldn’t be free to decide how many babies they want.
Countries with large populations
should pay to help the environment.
What should we do ?Hang on a minute!
Great!
I’m preparing for…
I can’t believe it!
What’s the population of ----(地名）
How do you know all this?本课时主要句型本课词组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 billionLanguage points? prepare for… 为……做准备
? prepare sth. for… 为……准备某物
Please prepare the table for the dinner.
请摆好桌子吃饭。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。2 too much+
too many+
They bought ________eggs yesterday.
昨天他们买了太多鸡蛋。
She spent ___________money on clothes.
她花太多钱买衣服。
注意: 和much too 区别开，much too用来修饰形容词/副词，表示“太……”
You are walking ________fast. Slow down. 你走的太快了，慢点。太多的…too muchtoo manymuch too不可数名词可数名词
increase
① vt. 增大; 增加; 增强
② vi. 增大; 增加; 增强
Travel increases one’s knowledge of the world. 旅游增进人对世界的了解。3. Population increase is a big problem in many countries.
人口增长在很多国家都是很大的问题。4.That makes over 131.4 million births a year.
make 意思为“ 计为，相当于”
birth 意思 “出生”
birthday 意思 “生日”5. noise, voice 与 sound
noise 各种噪音或吵闹声
voice 指人的说话声、歌声或欢笑声
sound 指任何用耳朵能听见的声音。如：
1.I can’t hear you clearly, please raise your _______ a little.
2.The thief （小偷） broke into the room without any _________.
3. The machine is working now, it is making a loud _______ noise voice soundI. 根据句意及首字母提示完成句子。
There are m_______ of books in the city library.
2. She is writng a r______ on the paper.
3. We’ve got a p______ with the car- it won’t start.
4. Who is making a strange n_____?illionseportroblemQuizoise1. People shouldn’t have ____ babies.
A. too much B. much too
C. too many D. number of
2. He?eats?____?food,?so?he?is?____fat.?A.?too?many; too?much??
B.?too?many; much?too?C.?too?much; too?much
D. too?much;?much?too Ⅱ. 单项选择3. _____ of the room _____ empty.
A. Two-third, are
B. Two-thirds, are
C. Two- third, is
D. Two-thirds, is
4. There are _____ books in the National Library.
A. twenty millions
B. twenty million of
C. twenty million
D. twenty millions of分子基数词
分母序数词
分子大于一
分母加S1. Learn the new words and expressions by heart.
2. Write a report called “Our growing population”.HomeworkThank you.Words and expressionsnoise
prepare
notes
report
grow
huge
causen. 噪声；杂音
v. 准备；预备
n. (pl) 笔记；随笔
n. 报告；汇报
v. 增长；增大
a. 巨大的；庞大的
v. 造成；引起Words and expressionsproblem
increase
birth
billion
fifth
hang on 麻烦；问题
n. 增大；增长
v. 增大；增长
n. 出生
num. 十亿
num. 第五；五分之一
(口)稍等