外研版八年级英语上册 Module 9 Unit 1 The world's population was about 7.8 billion in 2020. 课件

Module 9 Population
Unit 1 The world’s population is about
7.8 billion in 2020 .
noise people space traffic
Work in pairs. Look at the picture and talk about it. Use the words in the box.
1
1 What is the population of New York?
a)About 17 million.
b)About 9 million.
c)About 30 million.
2 What is the population of Tokyo?
a)About 4 million.
b)About 28 million.
c)About 14 million.
listen and choose the correct answer.
2
1.What is Tony preparing(准备)?
A.diary B.news C.report
2.What will be the population of the world in 2030?
A about 7.8 billion B about 8.5 billion C about 9.5 billion
3.What will be the population of India in 2030?
A about 1.5 billion B about 2.0 billion C about 1.7 billion
4.Where will the largest increase(准备) in population take place?
A.India, China, Pakistan
B. India, Nigeria, Pakistan
C.India, Africa, Pakistan
Listen to the dialogue and choose the correct answers
3
about7.8billion
8.5billion
1.5billion
4
Now complete the notest
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}the world’s population
problems caused by population
about 1.__________
in 2020
about 2._________
in 2030
countries with the most population growth
It can cause too much3.______and
4.____
countries with slow growing population
(1)There aren’t enough people to do all the5._______.
(2)There aren’t enough young people to look 6.______the older ones
7.8 billion
8.5 billion
traffic
noise
jobs
after
5
Listen and fill
听力提示：
听前：分析很重要 （1）内容；（2）所缺单词词性（3）关注上下文格式
听中：听关键词。(1）第一遍掌握关键词位置
6
Watch and read
Tony wanted to make a report about the world’s population, now please help him with a graph.
year
population
(billion)
2020
2030
9
8
7
6
5
4
3
2
1
7.8 million
8.5 million
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}Problems
suggestions
1.too much traffic and noise;
2.too little water, land or food..
1.person
2.government
..... decrease the growth
Report
The world’s population was about ______ in 2020.But the population of our world is increasing _____. And the number will _____ to ____billion in 2030. That increasing causes problems, such as too much_____ and ______. So I suggest that ___________________________________.
The world’s population was about 7.8 billion in 2020.
The world’s population will climb to 8.5 billion in 2030.
7.8 billion
quickly
climb/increase
8.5
traffic
noise
government need take action to decrease the growth.
7
group work-Make a graph and report
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.
8
Choose the correct answer.
Lingling: What are you doing?
Tony: I'm preparing a report called "The world's population".
Lingling: Well, I can help! I just watched a video about world population yesterday.It said the world's population was about 7.8 billion in 2020. And the number will climb to 8.5 billion in 2030.
Tony: I can't believe it! That's a huge number. Which countries are seeing the most population growth?
Lingling: The largest increase in population will take place in India, Nigeria and Pakistan.By 2030, India will have about 1.5 billion people.
climb to =increase to爬到，攀升到
seeing the most population growth
the largest increase in population 人口数量增长最多
[nai'd?i?ri?n] 尼日利亚
[?pɑ?kis?tɑ?n] 巴基斯坦
by 时间 ： 到...时
Tony: Hang on a minute! l'll make some notes!
Lingling: When populations increase too fast, it can cause problems, such as too much traffic and noise.
Tony: That's true. How about countries with slow-growing populations?
Lingling: Countries with low birth rates have problems too.There aren't enough people to do all the jobs, or enough young people to look after the older ones.
Tony:I see. Great, thanks for the information! Now I can write my report!
make notes
=take notes记笔记
birth rates出生率、death rate死亡率
I see我明白了
否定句中并列用or
thanks for多亏了
look after照顾
=take care of
slow-growing populations 增长率慢的
1.Prepare
Prepare sth. 准备某物
My mother is preparing lunch. 我妈妈正在准备午饭。
prepare for… 为……做准备
He is preparing for the world cup. 他正在为世界杯做准备。
prepare sth. for… 为……准备某物
Please prepare the table for the dinner.请摆好桌子吃饭。
Prepare to do sth.准备做某事
We are preparing to go on holiday. 我们正准备去度假。
Lauguage points
report /r?p??t/ n. 报告；汇报
He will make a report on the health service in a few weeks.
make/give a report on sth. 做关于某事的报告
report还可作动词，意为“报告，报道”。
report sth. to sb. =report on sth. to sb.
向某人报告某事
It is reported that...据报道……
拓展：reporter 记者
e.g. He is an American news reporter.
Lauguage points
The largest increase in population will take place in India, Nigeria and Pakistan.
take place指非偶然性事件的“发生”，有某种原因或事先的安排。
happen 一般强调某事偶然发生。
e.g
1. Great changes have taken place in Wenchuan during the past few years.
2.An accident happened in that street
That causes a lot of problems, such as too much traffic and noise.
2.cause
①（及物动词）造成；引起
cause (sb.) sth.（给某人)造成某事;
cause...to do sth.导致…做某事
Driving after drinking caused many accidents.
②〔名词〕原因；起因
We are trying to find the cause of the accident.
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}problem
指需要研究、解决的问题或难题，常与动词cause、solve 、连用。
We are trying to solve the problem. 我们正在试图解决这个问题。
question
指有疑问，需要回答的问题， 常与动词ask或answer等连用。
May I ask you a question ？我可以问你一个问题吗？
辨析：problem 与question
1) too much+
too many+
much too+
形容词/副词
4. 辨析：too much , much too与too many
He doesn't have too much money.他没有太多钱。
There are too many people in the park.公园里人太多了。
The coat is much too big for me.外套对我来说太大了。
They bought _________eggs yesterday.
She spent ___________money on clothes.
You are walking ________fast. Slow down.
太多…
too much
too many
much too
不可数名词
可数名词复数
太…
5.辨析：noise, voice 与 sound
noise 不悦耳的“噪音，杂音，吵闹声”等
voice 指人的说话声、歌声或欢笑声；
sound 指用耳朵能听见的任何声音。
e.g.
1. The little boy has a beautiful .
2. The thief (小偷) broke into the room without any ________.
3. The machine is working now, it is making a loud _______.
noise
voice
sound
6. hang on稍等
Hang on , please. I'll come back in a minute.
hang up挂断电话
hang out闲逛
1.准备一份报告
2.世界的人口
3.攀升到
4.真不敢相信
5.那是一个巨大的数字
6.最大的人口增长
7.发生
8.稍等一分钟！
9.做笔记
10.人口增长太快
11.造成问题
12.例如
13.太多的交通和噪音
14.人口增长缓慢的国家
15.人口低出生率的国家
16. 照顾老人
17谢谢你提供的信息
18写报告
Find out the English phrases according to the Chinese meaning.
1.准备一份报告
2.世界的人口
3.攀升到
4.真不敢相信
5.那是一个巨大的数字
6.人口增长最大
7.发生
8.稍等一分钟！
9.做笔记
1.Prepare a report
2.The world’s population
3.Climb to
4.I can’t believe it!
5.That’s a huge number.
6.The most population growth/
the largest increase in population
7. take place
8.Hang on a minute!
9.Make notes
10.人口增长太快
11.造成问题
12.例如
13.太多的交通和噪音
14.人口增长缓慢的国家
15.人口低出生率的国家
16. 照顾长辈
17.谢谢你提供的信息
18.写报告
10.Populations increase too fast
11.Cause problems
12.Such as
13.Too much traffic and noise
14.Countries with slow-growing populations
15.Countries with low birth rates
16. Look after the older ones
17.Thanks for the information
18. Write my report
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
2,000,030,000
one billion, three hundred and seventy million
two billion and thirty thousand
Listen and repeat.
billion
million
thousand
5. The world population is about 7.8 billion.
中国的人口大约为13.7亿。
billion 数词，意为“十亿”。在英语中，hundred, thousand, million和billion前面有具体数字时，它们都要用单数形式；但是当与of搭配使用时，它们都必须用复数形式，表示概数，而且不能与具体的数字连用。
hundreds of 数百
thousands of 数千，成千上万
millions of 数百万
billions of 数十亿
two hundred 二百
five thousand 五千
three million 三百万
seven billion 七十亿
1. There are too many people in the world.
3. People should not have too many babies.
4. A city should not hold more than one
million people.
2. The increasing population is the biggest
problem in the world.
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}
Now work in groups and discuss your answers.
Check (√) the statements you agree with.
Homework
must do
1.recite unit.
2.preview unit 2
3.copy the phrases 2 times
choose to do
make a report: describe your home town’s population.
Thank You!