Module 9 Unit 1 The world's population was about 7.8 billion in 2020. 对话课件 (共22张PPT，内嵌部分音频)

(共22张PPT)
Unit1
The world’s population
was about 7.8 billion in 2020.
Module 9
1. 通过变式朗读，听出、拼读出noise，increase等11个核心词汇。
2. 通过多层次听力和阅读，准确捕捉关键信息和细节信息，由浅入深理解有关人口的对话内容。
3. 能用本单元词汇和大数字描述不同地区不同时间的人口数量。
4. 通过小组合作，客观分析人口问题以及人口和社会的关系。
Learning Objectives（教学目标）
Look at the pictures.
The population of the world is large.
Lead-in
Do you know what’s the population
of the world in 2020
About 7.8 billion.
1.What is the population of New York
a) About 17 million. c)About 30 million.
b) About 9 million.
2.What is the population of Tokyo
a) About 4 million. c) About 14 million.
b) About 28 million.
While-listening
Listen and choose
100
1,000
10,000
100,000
1,000,000
10,000,000
100,000,000
1,000,000,000
one hundred
one thousand
ten thousand 一万
one hundred thousand
one million
ten million
one hundred million 一亿
one billion
A thousand million.
朗读时，将每三位数看做一个单位，依次为thousand ，million ， billion 。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。
数字的读法
1, 000, 000, 000
billion
million
thousand
123
2,200
12,000
123,340
1,234,500
one hundred and twenty-three
two thousand two hundred
twelve thousand
one hundred and twenty-three thousand,
three hundred and forty
one million two hundred and thirty-four
thousand five hundred
comma
逗号
注 意
19
34
78
60
500
780
1300
870
29
注意：1.百和十中间用“and”连接。
Say the numbers quickly
(1)Which countries are seeing the most population growth？
(2)What was the world’s population in 2020
While-listening
Listen and answer.
India, Nigeria and Pakistan
About 7.8 billion.
While-listening
(1)By 2030, India will have about 15 billion people.(　　)
(2)When populations increase too fast, it can cause problems, such as too much traffic and noise.(　　)
(3)Countries with low birth rates have no problems.(　　)
Listen and check T or F, and then correct the false.
F
T
F
1.5
have
While-listening
Listen and complete the notes.
Population of the world in 2020:
Population of the world in 2030:
Population of India in 2030:
7.8 billion
8.5 billion
1.5 billion
Post-listening
Read the dialogue and translate the important sentences.
(1)And the number will climb to 8.5 billion in 2030.
(2)Which countries are seeing the most population growth
(3)There aren't enough people to do all the jobs, or enough young people to look after the older ones .
到2030年数量将会攀升到85亿。
哪些国家人口会增长最快
没有足够的人做所有工作，也没有足够的年轻人去照顾老年人。
It said the world's_________ was about 7.8 billion in 2020. And the number will climb to 8.5 _____ in 2030.That's a ______ number.When populations increase too fast, it can cause problems, ______ too much traffic and noise.Countries with low birth rates have ________ too.There aren't _______ people to do all the jobs, enough young people to look after the older ones .
population
billion
huge
such as
problems
enough
Post-listening
Read and fill in the blanks.Then retell the passage.
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
Language points
prepare 动词，准备。prepare for+名词短语，意为“为……做准备”，相当于get ready for；prepare…for…意为“为……准备……”。如：
The students are busy preparing for the mid term examination. 学生们正忙于为期中考试做准备。
Please prepare the table for the dinner. 请摆好桌子吃饭。
population意为“人口”。指人口的“多”或“少”时，不用much或little，而要用big/large或small。
The population of Japan is much smaller. 日本的人口要少得多。
The population of China is larger than that of the USA. 中国人口比美国人口多。
Lingling: The largest increase in population will take place in India,
Nigeria and Pakistan By 2030, India will have about 1.5
billion people.
Tony: Hang on a minute! I'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
Language points
①too much+不可数名词，意为“太多的”。
She spent too much money on clothes. 她花太多钱买衣服。
I have too much homework to do today. 今天我有太多的家庭作业要做。
②too many+可数名词，意为“太多的”。
They bought too many eggs yesterday. 昨天他们买了太多鸡蛋。
There are too many people in the shop on Sunday. 周日商店里有太多的人。
③much too+形容词/副词， 意为“太……”。
You are walking much too fast. Slow down. 你走的太快了，慢点。
That dress is much too long for me. 那条连衣裙对于我来说太长了。
hang on a minute是口语，意为“稍等，等等”。通常用来表示让某人等一下。hang on 意为“让某人等一下”。已学过的类似的表达还有wait a minute/moment，意为“等会儿”。
Hang on! I’ll be back in a minute. 稍等！ 我马上回来。
Sally’s on the other phone — would you like to hang on 萨利在接另一个电话，请您稍等一下可以吗？
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 Great!
Tony: I see. Great,thanks for the information! Now I can
write my report!
Language points
problem 作名词,意为“问题”。 辨析：
problem 指疑难的、困难的、比较麻烦的问题,如数学问题、失业问题或令人困惑的事等,重在突出“难”。表示解决这类问题时用solve,即solve the problem“解决问题”。
question指一般的问题,需要回答的问题。表示回答这类问题时用answer,即answer the question“回答问题”。
一言辨异:
The problem is that I have lots of questions to ask.问题是我有许多问题要问。
—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. too much B. too many C. very much
B
B
Exercise
一、单项选择
3.The world’s population is about 7.8_______.
A. billion B. billions C. billions of
4. The population of Beijing___ about 20 million
A. is B. are C. be
A
Exercise
A
6.How do you read 131,000,000 ____.
A. One hundred and thirty-one million
B. One hundred thirty one million
C. One hundred and thirty one million
A
5.— ______ is the population of the town
— Over 20,000. And a third of the population ____workers of the car factory．
A. What; are B. How many; are C. What; is D. How many; is
C
Exercise
1. You have ________ shoes.
2. Sometimes I eat _________ noodles.
3. The work is __________ hard for us.
4. She drank _________ water.
5. Among ourselves, that young man's hair is _________ long.
too many
too many
Fill in the blanks.
too many, too much和much too
too much
too much
much too
Exercise