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(共32張PPT)
外研·八年級上冊
Unit 1 The world’s population was about 7.8 billion in 2020.
Module 9 Population
New words
noise
prepare
report
billion
huge
increase
n. 噪聲；雜音
v. 準備；預備
n. 報告；匯報
num. 十億
adj.巨大的；龐大的
n. & v. 增大；增長
hang on
notes
cause
problem
grow
birth
【口】稍等
n. (pl.) 筆記；隨筆
v. 造成；引起
n. 麻煩；問題
v. (grew) 增長；增大
n. 出生
Free talk
Talk about the pictures and try to describe them.
Work in pairs. Look at the picture and talk about it. Use the words in the box to help you.
1
city
shop
noise
people
traffic
Listen and choose the correct answer.
2
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.
Betty: I went shopping in the city centre with
my family last week.
Tony: Did you have a good time
Betty: Yes, I did, but there was a lot of traffic
on the way there. And there were so
many people in the shops. There was a
lot of noise.
Tapescript
Tony: Well, New York is a big city.
Betty: Yes, it is. It has a population of about
nine million.
Tony: Nine million! Does New York have the
largest population in the world
Betty: No, it doesn’t. There are cities with a
larger population. For example, Tokyo
has a population of about 14 million.
Tony: Really That’s a lot of people!
Listen and read.
3
Lingling: What are you doing
Tony: I’m preparing a report called
“The world’s population”.
準備；預備
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.
攀升到
十億
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.
巨大的；龐大的
增大；增長
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
稍等；等一會兒
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!
照顧；照料
I can’t believe it!
Hang on a minute!
Great!
Read and answer.
1. What is Tony doing
He is preparing a report called “The world’s population”.
2. What can cause when populations increase
too fast
It can cause problems, such as too much traffic and noise.
3. What about countries with slow-growing
populations
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.
Now complete the notes.
Population of the world in 2020:
________________________________________
Population of the world in 2030:
________________________________________
Population of India in 2030: ________________
about 7.8 billion
8.5 billion
about 1.5 billion
4
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.
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.
Language points
1 It said the world’s population was about 7.8
billion in 2020。
billion 意為“十億”，英語常用的數字單位與
中文有所不同，為：hundred (百)、thousand
(千)、million (百萬)、billion (十億)。
2 Hang on a minute! I’ll make some notes!
hang on 這個動詞短語常用來表示“讓某人
等一下。”
稍等！我馬上就回來。
Hang on! I’ll be back in a minute.
5
Listen and repeat.
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
Prepare a talk on the world’s population. Think about the questions.
What is the population of the world
How fast is the world’s population growing
6
What are the problems of fast-growing and slow-growing populations
What else do you know about the world’s population
Now work in pairs and give your talk.
I .根據句意及首字母提示完成單詞并注意使
用其適當形式。
1. A b_______ is a hundred million.
2. The i__________ population is the biggest
problem in the world.
Exercise
illion
ncreasing
3. The women gave b______ to a baby girl
last night.
4. Don’t make much n_____. Your father is
sleeping.
5. Before Christmas Day, people often
p_______ for it.
irth
oise
repare
II.用括號內所給單詞的適當形式填空。
1. Lydia always makes _______ (note)
carefully in class.
2. He wants to be a ________ (report)
when he grows up.
notes
reporter
3. I have a lot of _________ ( problem), I need
your help.
4. Air pollution _______ (cause) a lot of
problems.
problems
causes

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