（新课标·新版教材）Unit1 Topic2 The population in developing countries is growing faster Section C 课件（29张)（25

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Unit 1 Topic2 The population in developing countries is growing faster. Section C
1. Some words:
social, supply, natural, worse, government,
paragraph, opportunity, newborn, percent, offer
2. Some phrases:
half of, one fifth, because of, satisfy people’s daily
needs, so far, take measures to do, be known as,
work well in, thanks to
3. Some sentences:
We still have a long way to go.
Look and think
Why did China carry out the one-child policy
What’s the population of China
Which country has the largest population
There is less living space for each family.
A
B
C
D
F
E
It’s hard to find jobs.
Most cities are crowded than before.
Natural environments are becoming worse and worse.
It’s difficult to supply water and energy to satisfy people’s needs.
The traffic is much heavier.
Brainstorm
What social problems do you think the large population has caused
Word bank
social [ s ( )l] adj.社会的；社交的
supply [s pla ] v.提供n.供应量
natural ['n t r l] adj.天然的；天生的
worse [w s] adj.更差的adv.更差
so far 到目前为止
Word bank
government [ ɡ v nm nt] n.政府
take measures to do sth. 采取措施做某事
thanks to 幸亏，由于
paragraph [ p r ɡrɑ f] n.段
opportunity [ / p tju n ti ] n.机会
Word bank
newborn [ nju b (r)n] adj.新生的
percent [p sent] n.百分之······
offer [' f ] v.提供
play a game
social
opportunity
natural
supply
government
paragraph
thanks to
so far
newborn
offer
percent
Work on 1a
Write the title of the passage.
Population Problems
Work on 1b
Read 1a and match the main idea with each paragraph.
1. _____ Paragraph 1
2. _____ Paragraph 2
3. _____ Paragraph 3
B
C
A
A. the measures to deal with the problems
B. the world’s and Asia’s population
C. the problems caused by large population
Work on 1c
Read 1a again and complete the table.
Population of China ____________________
Social problem less ______________
fewer _______ opportunities
less _______ and ______
crowded ________
heavy _________
________ natural environments
Government measures _____________________
1.37 billion
job
water
energy
cities
traffic
worse
the one-child policy and others
living space
Paragraph 1
Read Paragraph 1 and fill in the blanks.
Asia has a of ____________4 billion. That’s to say, more than ______ of the people in the world live in
now.
more than
half
population
Asia
In 2010，the world ’s population was about 7.2 billion. More than four billion people live in Asia now. That's more than half of the world's population.
Language points
超过=over
4 billion÷ 7.2 billion>1／2
(half)
50 percent (50%)
more than half of the people in the world live in Asia.
Paragraph 2
1.37 billion÷7.2 billion≈1 ／ 5
20 percent (20%)
About one fifth of the people in the world live in China.
one
What social problems has it caused？
fifth
There is less living space for each family.
A
B
C
D
F
E
It’s difficult to find jobs.
Most cities are crowded than before.
Natural environments are becoming worse and worse.
It’s hard to supply water and energy to satisfy people’s needs.
The traffic is much heavier.
population problems
Paragraph 2
Finish the mind map.
Language points
China has the largest population in the world,and about one fifth of the people in the world live in China. Because of the large population,there is less living space for each family. And it is difficult for lots of people to find jobs. At the
same time, the large population has caused many other difficulties for the whole nation. For example, it is hard for China to supply energy and water to satisfy people’s daily needs. Most cities are more crowded than before, and the traffic is much heavier. Natural environments are becoming worse and worse.The large population has been a serious problem.
五分之一
因为
It’s +adj. for sb. to do sth.对某人来说做某事怎么样
同时
例如
满足人们的日常需求
heavy 拥堵的
自然环境
越来越糟
分数表达法
one sixth
one ninth
one twentieth
five sixths
two ninths
seven twentieths
分子基，分母序，分子大于1，分母加s
分数表达法
one / a half
a quarter
three quarters
three and a half
China has the largest population in the world,and about one fifth of the people in the world live in China. Because of the large population,there is less living space for each family. And it is difficult for lots of people to find jobs. At the
same time, the large population has caused many other difficulties for the whole nation. For example, it is hard for China to supply energy and water to satisfy people’s daily needs. Most cities are more crowded than before, and the traffic is much heavier. Natural environments are becoming worse and worse.The large population has been a serious problem.
Listen and read
Game time
because of
at the same time
heavy
satisfy people’s daily needs
for example
Natural environments
worse and worse
Paragraph 3 Language points
So far, our government has taken many measures to control the population.One is known as the one-child policy. It has worked well in controlling China's population. Thanks to the policy, China is developing quickly and people’s living conditions are improving rapidly. However, the population problem is still serious in China.We still have a long way to go.
到目前为止
take measures to do sth.采取措施做某事
be known as 作为...而出名
独生子女政策
— Every couple can have only one child.
幸亏，由于
然而
Work on 2
Complete the following passage with the correct forms of the given words or phrases.
grow reach have find work become face carry out
Every minute, about 261 babies are born in the world. That means people have to _____ food for about 375 840 newborn babies every day. The world’s population _______________ very fast. It has _______ one of the biggest social problems today.
China ______ the largest population in the world. There are about 1.37 billion people in China. It has ________ 20 percent of the world’s population. China has ____________ some policies to solve the population problem, and these policies have _______ well. But China still _______ a serious population problem.
find
grows/ is growing
become
carried out
reached
has
worked
faces
Work on 3a
Work in groups and search for the information about the following questions. Then share your idea with your group members.
1. How do you think we can get more living space
2. What should the government do to offer more job opportunities
3. Water and energy are less and less. What should we do to deal with it
4. The traffic in cities is much heavier than before.
How can we solve the problem
Work on 3b
Write a short passage of three paragraphs based on 3a.
China has the largest population in the world. It has caused many problems. Everyone should do something to solve them.
First, the government should take many meaures to solve the population problem, and practice the reform and opening-up to develop our economy. Only in this way can we get more jobs and improve our living conditions.
Second, the energy and water is becoming less and less. We’d better save them as much as possible, and try to find more new energy. In order to solve the problem of heavy traffic, we call on everyone to take a bus or walk as often as possible.
Let’s check!
1. _____ of the students are boys in our school.
A. Two third B. Two threes
C. Two thirds D. Second three
C
Let’s check!
2. The one-child policy has _____ controlling China’s
population.
A. been good at B. done well in
C. taken care of D. worked well in
D
Let’s check!
3. Edison is known _____ a great inventor.
A. for B. as C. in D. on
B
Let’s check!
4 ._____ your help, I made great progress in math.
A. Thanks for B. Thanks to
C. Thank to D. Thank for
B
Thank you!