(共27张PPT)
The first and greatest victory is to conquer yourself; to be conquered by yourself is of all things most shameful and vile.
战胜自己是最首要、最伟大的胜利，无法克制自己是最令人羞愧、最可怜的失败。（柏拉图）
Miss Li：你不会因为一件事情一步登天，也不会因为一件事情而一蹶不振。慢慢走，慢慢看，生命是个慢慢累积的过程，而这过程中，你唯一要做的，也是最重要的前提，就是不要放弃努力。因为只有你放弃的时候，你才真的输了
Aims and demands学习目标:
1.掌握本课所学单词：social, supply, natural, worse, government, paragraph, opportunity, newborn, percent, offer
2.学会分数与百分数的表达法；
3.Go on talking about the problem of the increasing population .继续讨论不断增长的人口问题。
8
88
888
8,888
88,888
888,888
8,888,888
88,888,888
888,888,888
8,888,888,888
88,888,888,888
888,888,888,888
The population in developing countries is ________ than that in developed countries.
Which country has the largest population
What’s the population of China
larger
1a 1. Before you read the passage, discuss the
questions with your partner.
1) Why does China carry out the one-child policy
2) What social problems do you think China’s large
population has caused
1a Read and understand.
2. Write the title of the passage.
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
Population Problems
B
C
A
1c Read 1a again and complete the table.
Population of China ____________________
Social problem less ______________
fewer _______ opportunities
less _______ and ______
crowded ________
heavy _________
________ natural environments
Government measure _____________________
1.3 billion
job
energy
water
cities
traffic
worse
the one-child policy
living space
Asia has a population of _____________. That’s to say, almost ______ of the people in the world live in Asia now.
more than 3 billion
half
Paragraph 1
The world’s and Asia’s population.
3 billion÷ 6.8 billion≈1／2
(half)
50 percent (50%)
Almost half of the people in the world live in Asia.
1.3 billion÷6.8 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.
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
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
The one-child policy
— Every couple can have only one child.
So far, the one-child policy has worked well in
controlling China’s population.
We still have a long way to go.
Paragraph 3
The measures to deal with the problems.
1a Listen，look and say.
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 _______________ faster and faster. It has _______ one of the biggest social problems today.
China ______ the largest population in the world. There are about 1.3 billion people in China. It has ________ 20 percent of the world’s population. China has ____________ some policies to control the population, and these policies have _______ well. But China still _______ a serious population problem.
2 Complete the following passage with the correct forms
of the given words or phrases.
find
grows/ is growing
become
carried out
reached
grow reach have find work become face carry out
has
worked
faces
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. 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
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 keep the one-child policy to control the increasing population, 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.
Choose the best answer.
1. _____ of the students are boys in our school.
A. Two third B. Two threes
C. Two thirds D. Second three
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
3. Edison is known _____ a great inventor.
A. for B. as C. in D. on
4 ._____ your help, I made great progress in math.
A. Thanks for B. Thanks to
C. Thank to D. Thank for
C
D
B
B
1. Read the fractions in English.
2. Talk about population problems.
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.
Homework
2. Write the composition
in 3b.
1. Read 1a aloud.
3. Finish Section C in
your workbook.
4. Preview Section D.
one sixth
one ninth
one twentieth
five sixths
two ninths
seven twentieths
ATTENTION
one / a half
a quarter
three quarters
three and a half
past
now
so far
So far, I have read five English novels .
