Unit 1 The Changing World Topic 2 SectionC 课件 (共26张PPT)

(共26张PPT)
Topic 2 The population in developing
countries is growing faster.
Section C
Unit 1 The Changing World
学习目标：
1. 记住13和14页的单词和短语。
2.会英文分数的表达法。
3.掌握课文中出现的现在完成时
的句型，了解中国人口问题。
What social problems do you think China’s large population has caused
It is difficult to find jobs.
We are short of water.
The street is too crowded.
The street is too heavy.
1a Read and understand.
Write the title of the passage.
Population Problems
1b Read 1a and match the main idea with each paragraph.
1. _____ Paragraph 1 A. the measures to
deal with the problems
2. _____ Paragraph 2 B. the world’s and
Asia’s population
3. _____ Paragraph 3 C. the problems caused by
large population
B
C
A
Read Paragraph 1 and fill in the blanks.
Asia has a population of _____________. That’s to say, almost ______ of the people in the world live in Asia now.
more than 4 billion
half
Paragraph 1
The world’s and Asia’s population.
4 billion÷ 7.2 billion≈1／2
(half)
50 percent (50%)
Almost half of the people in the world live in Asia.
1.36 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
Paragraph 2
The problems caused by large population.
fifth
Because of the large population,
there is __________________ for each family.
Read Paragraph 2 and fill in the blanks
less living space
Because of the large population,
it is difficult for lots of people ______________.
to find jobs
Because of the large population,
it is hard for China to supply _______ and ______ to satisfy people’s daily needs.
energy water
满足人们日常需要
Because of the large population,
most cities are ______________ than before, and the traffic is much __________.
more crowded
heavier
Because of the large population,
natural environments are becoming
____________________.
worse and worse
越来越糟糕
The large population has been a serious problem.
1c Read 1a again and complete the table.
Population of China ____________________
Social problem less ______________
fewer _______ opportunities
less _______ and ______
crowded ________
heavy _________
situation now living conditions: ___________
The natural environment: __________________
1.36 billion
job
energy
water
cities
traffic
improve rapidly
living space
better and better
The three-child policy
— Every couple can have three children.
We still have a long way to go.
Paragraph 3
The measures to deal with the problems.
一半__________ 五分之一__________
由于____________ 到目前为止__________
满足人们的生活需求_______________
采取措施做某事________________
作为…而著名________________
在…方面效果显著_________________
幸亏，由于__________________
给某人提供某物_________________
half of
one fifth
because of
satisfy people’s daily needs
so far
take measures to do
be known as
work well in doing sth.
thanks to
supply sth to sb
=supply sb with sth
1.About one __ (five) of the people in the world live in China.
2.Both pollution and population are________ (seriously)problems to be solved.
3.India has the second_______(large) population in the world.
4.The population in___________ countries is larger than that in _________ countries. (develop)
5.China has 25 p ___ of the world’s population.
6.In China some poor families couldn’t o __ their children a good education in the past .
7.Our teacher have taken many m_____ __ to improve our math .
fifth
serious
largest
developing
developed
ercent
ffer
easures
1. ______ the population of the world
today
A. Which is B. What’s
C. How much is D. How many are
2. One-child policy has _____ controlling
China’s population.
A. been good at B. done well in
C. worked good in D. worked well in
3. _____ of the students are boys in our school.
A. Two third B. Two threes
C. Two thirds D. Second three
B
D
C
4. Edison was famous _____ a great inventor.
A. for B. as C. in D. on
5. She had ten children to _______.
A. look after B. look
C. look at D. looking
6. The population of this city _____ 6 550 000.
A. is B. was C. has been D. has
B
A
A
7. Great changes ____ in her hometown recently.
A. took place B. have taken place
C. happened D. have been happened
8. ______ the teacher’s help, he has made rapid progress.
A. Thanks to B. Because of
C. Because D. Thanks
B
A
根据汉语提示，完成句子。
1.迄今为止，没人打破他的记录。
___ ___ ,no one has broken his record.
2.我们班有五分之三的学生来自农村。
___ ___ of the students in our class come from the countryside.
3.这项新政策对改善环境起到很好的作用。
This new policy has ___ ___ ___ improving our environment.
4.多亏了这位好心人，我找到了丢失的自行车。
____ ___ this kind man, I found my lost bike.
5.一名警官昨天给我们提供了帮助。
A policeman ____ help ___ us yesterday.
So far
Three fifths
worked well in
Thanks to
offered
to
1.How can we get more living space
2. What should the government do to offer more job opportunities
less population, more living space
one-child policy
develop economy
reform and opening-up
3. The energy and water is 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
save , new energy
take a bus, walk, ride bikes
Thank you