外研版八年级英语上册Module 9 Population Unit 1教学课件(共27张PPT+内嵌音频)

(共27张PPT)
Module 9
Population
Unit 1 The population of China
is about 1.37 billion.
Watch the video and talk about the solutions for this phenomenon.
Warming-up
Watch and discuss
noise
prepare
notes
report
grow
huge
n. 噪音；杂音
v. 准备；预备
n. 笔记；随笔
n. 报告；汇报
v. 增长；增大
adj. 巨大的，庞大的
Pre-listening
Words and expressions
cause
problem
increase
birth
billion
fifth
hang on
v. 造成；引起
v. 麻烦；问题
n./v. 增大；增长
n. 出生
num. 十亿
num. 第五；五分之一
稍等
Pre-listening
noise people space traffic
Pre-listening
Work in pairs. Look at the picture and talk about it. Use the words in the box.
1) What is the population of Beijing
a) About 11 million.
b) About 13 million.
c) About 20 million.
2) What is the population of Chongqing
a) About 28 million.
b) More than 33 million.
c) About 36 million.
√
√
Pre-listening
Listen and choose the correct answer.
1. Choose the correct answer.
What are Betty, Tony and Lingling mainly talking about
A. Babies born every year in the world.
B. The growing population.
C. The population of China.
2. Answer the following questions.
How many babies are born every year in the world
(2) What’s the population of the world
(3) Why won’t China’s population grow so fast
While-listening
Over 131.4 million.
About 7 billion.
Because families are getting smaller.
Listen and finish the tasks.
Babies born every minute in the world:
Babies born every year in the world:
Population of China:
Population of the world:
over 250
over 131.4 million
about 1.37 billion
about 7 billion
While-listening
Listen and complete the notes.
Tony is _________ some notes ________ a report called “our growing population”. Beijing is a huge city ________ a large population. That ________a lot of problems, such as too _____ traffic and noise. Population __________ is a big problem in many countries. Over 250 ________ are born every minute in the world. That makes over 131.4 million ________ a year. The population of China is about 1.37 _________. That’s almost _________ of the world’s population. But in the future, China’s population won’t _________ so fast, because families are getting smaller.
preparing
for
with
causes
much
increase
babies
births
billion
one fifth
grow
Post-listening
Read and fill in the blanks.
Post-listening
Role-play the conversation.
1. I’m preparing some notes for a report called “Our
growing population”.
我正在为一篇题为《增长的人口》的报告准备笔记。
prepare … for … 表示“为……准备……”。
e.g. His mother is preparing a dinner for him.
他的妈妈正在为他准备晚饭。
Post-listening
Language points
2. The population of China is about 1.37 billion.
中国的人口约为13.7亿。
population 意为“人口”，用large 或small来修饰。 population是集合名词，没有复数形式，做主语时要用单数形式。
(1) 询问“……有多少人口”时可用
How large is the population of … 或
What’s the population of …
(2) 表示“某国、某城市有多少人口”时，要与of连用，其句式有两种：
a) The population of +某国/ 某城市+ is … ；
b) 某国/ 某城市+ has the / a population of …。
Post-listening
3. That causes a lot of problems, such as too much traffic and noise.
那引发了很多问题，例如交通拥堵和噪音过多。
too much意为“太多”，其后接不可数名词。
e.g. You put too much salt in this dish.
这菜里你放的盐太多了。
Post-listening
辨析：too much, much too与too many
too much 太多 后接不可数名词 too much milk
much too 太 后接形容词或副词 much too big
too many 太多 后接可数名词复数 too many apples
Post-listening
辨析：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 指用耳朵能听见的任何声音。
e.g.
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
sound
Post-listening
4. That’s almost one fifth of the world’s population, that is 7
billion.
那几乎是约70亿的世界人口的五分之一。
one fifth意为“五分之一”。表达分数时，用基数词表示分子，序数词表示分母。当分子大于1时，分母的序数词用复数。分数做主语时，谓语动词在数上与分数后的名词保持一致。
e.g. One third of the students go to school by bus.
三分之一的学生乘公共汽车去上学。
Post-listening
5. The population of China is about 1.37 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。
Post-listening
具体如下：
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
Post-listening
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.
Post-listening
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.
Post-listening
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
Post-listening
Listen and repeat.
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.
Now work in groups and discuss your answers.
Post-listening
Check (√) the statements you agree with.
billion birth fifth huge increase make notes of problem report
1. Congratulations on the of your daughter!
2. Her house is . I like it very much.
3. The homeless are on the in many cities. We need to do something to help them. Food prices
by ten percent last year.
birth
huge
increase
increased
Post-listening
Fill in the blanks with the correct form of the words and expression.
billion birth fifth huge increase make notes of problem report
4. One is the same as twenty percent.
5. Students should their errors and work on them.
6. Many European countries now have economic .
7. According to recent news , two of the victims are Americans.
8. Airlines have lost of dollars because of the foggy weather.
fifth
make notes of
problems
reports
billions
Post-listening
1. Key words: noise, smoke, notes, report, huge, increase,
problem, birth, billion, fifth, hang on, grow
2. What’s the population of … 询问“……有多少人口”。
3. The population of China is about 1.37 billion.
4. That’s almost one fifth of the world’s population...
Summary
1. Practice the speaking and writing of large numbers.
2. Review the words and expressions we learnt today.
Homework
Goodbye!