Unit 1 The Changing World Topic 2 Section C 课件(共24张PPT，含内嵌音频) 2024-2025学年仁爱版九年级英语上册

(共24张PPT)
仁爱版九年级英语上册
Unit 1 The Changing World Topic 2 Section C
学习目标
预习检测
知识梳理
课堂总结
学习
导航
重点探究
当堂检测
Nothing great was ever achieved without enthusiasm
能熟悉并正确运用本课时的重点单词和短语
1
2
能学会谈论人口问题
Nothing great was ever achieved without enthusiasm
新课导入
social
worse
supply
so far
paragraph
opportunity
percent
offer
newborn
nature
Word game
The one who remembers the most words is the winner.
Nothing great was ever achieved without enthusiasm
Listen to 1a and write the title for the passage:
Population Problems
______________________
Nothing great was ever achieved without enthusiasm
新知学习
课堂小结
当堂检测
学习目标
重点研讨
1a
Read 1a again and complete the table.
Population of China ____________________
Social problem less ______________
fewer _______ opportunities
less _______ and ______
more crowded ________
heavy _________
Situation now Living conditions _________________
The natural environment________________________
1.36 billion
job
energy
water
cities
traffic
living space
are improving rapidly
is becoming better and better
Nothing great was ever achieved without enthusiasm
重点探究
1a Read and understand.
7.2 billion
Discuss the questions with your partner.
What social problems do you think China’s large population caused
Nothing great was ever achieved without enthusiasm
新知学习
课堂小结
当堂检测
学习目标
重点研讨
1b
Complete the following passage with the correct forms of the
given words or phrases.
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 faster. It has _______ one of the biggest social problems today.
China ______ the largest population in the world. There are about 1.36 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
grow reach have find work become face carry out
has
worked
faces
Nothing great was ever achieved without enthusiasm
3. Edison is known _____ a great inventor.
A. as B. for C. in D. on
4 ._____ your help, I made great progress in math.
A. Thanks to B. Thanks for
C. Thank to D. Thank for
5._____ large population, many problems began to appear.
A.Because of B.Because C.So D.As
A
A
A
Nothing great was ever achieved without enthusiasm
Reading
Read Paragraph 1 and tell True or False.
( )1.The world’s population is 6.8 billion now.
( )2.Almost 50% of the world’s population live in Asia.
F
F
Nothing great was ever achieved without enthusiasm
1b
Write a short passage of three paragraphs based on 3a.
One possible version:
Nothing great was ever achieved without enthusiasm
1. _____ of the students are boys in our school.
A. Two third B. Two threes
C. Two thirds D. Second three
2.Some measures has_____ solving the problem.
A. been good at B. done well at
C. worked well in D. taken care of
预习检测
C
C
Nothing great was ever achieved without enthusiasm
新知学习
课堂小结
当堂检测
学习目标
重点研讨
1c
Write a short passage of three paragraphs based on 3a.
One possible version:
China has a very large population in the world. It caused many problems. Everyone should do something to solve them.
First, the government should take many measures to solve the 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.
Nothing great was ever achieved without enthusiasm
1c Read 1a and match the main idea with each paragraph.
1. _____ Paragraph 1
2. _____ Paragraph 2
3. _____ Paragraph 3
A. the better situation in China now
B. the world’s and Asia’s population
C. the problems caused by large population
B
C
A
Nothing great was ever achieved without enthusiasm
知识梳理
Key points
分数词的表达法:
1. 结构:
a)分子用基数词，分母用序数词。 1/3— one third(one-third)
b)当分子大于1时，分母加复数。 3/4— three fourths (three-fourths)
2. 分数词的几种特殊形式：
　1/3—one third = a third 1/4—one fourth = a quarter
　1/2—one second = a half 3/4—three fourths = three quarters
Nothing great was ever achieved without enthusiasm
Because of the large population,
1. there is ________________ (更少的生活空间) for each family.
2. it’s difficult for people ___________(找工作).
3. it’s hard for China to supply water and energy to
_______________________(满足人们的日常需求).
4. most cities are _____________, and the traffic is much ________.
less living space
to find jobs
satisfy people’s daily needs
more crowded
heavier
Read Paragraph 2 and fill in the blanks.
Nothing great was ever achieved without enthusiasm
Key points
分数用法注意：
a) 分数作定语时，与所修饰的名词之间加of。
e.g. 我们班三分之二的学生是男生。
____ _______ _____ the students in our class are boys.
b) 分数后面可接可数名词， 也可接不可数名词，谓语动词的
单复数和分数词后的名词保持一致。
　　Two fifths of the milk ______(be) drunk by Tom.
　　One third of the students _______(be) girls.
is
are
Two thirds of
Nothing great was ever achieved without enthusiasm
新知学习
课堂小结
当堂检测
学习目标
重点研讨
1d
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
Nothing great was ever achieved without enthusiasm
√
√
√
√
Nothing great was ever achieved without enthusiasm
Key phrases
because of 由于
less living space 更少的生存空间
at the same time 同时
supply sth. to sb.=supply sb. with sth. 提供某物给某人
provide sth. for sb.= provide sb. with sth. 提供某物给某人
offer sb. sth.=offer sth. to sb. 提供某物给某人
satisfy people’s daily needs 满足人们的日常需求
natural environment 自然环境
so far 到目前为止
Nothing great was ever achieved without enthusiasm
1d
Nothing great was ever achieved without enthusiasm
government
resident
increase job opportunities
solve the population problem
water saving
insist on
find more new energy
Green travel
……
Nothing great was ever achieved without enthusiasm
Key phrases
10. take measures to do sth. 采取措施做某事
11. work well in doing sth. 在做某事方面起到好的效果
12. thanks to 多亏了
13. living conditions 居住条件
14. deal with 处理
15. offer job opportunities 提供就业机会
Nothing great was ever achieved without enthusiasm
Summary
We learn:
We can: