（新课标）Unit 2 Topic 1 Pollution has caused too many problems. Section C 课件（32张）

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Unit 2 Saving the Earth
Topic 1 Section C
Learning objectives
1. Some words:
deaf, print, hearing, loss, recently, disturb,sort, uncomfortable, unpleasant, sentence, meaning
2. Some phrases:
go deaf, lose one’s hearing, hearing loss, no better than, do harm to
3. Some sentences:
However, not all people know noise is also a kind of pollution is harmful to human’s health.
4. Find out the topic sentence to understand the content of a paragraph.
5. Write a passage according to the topic sentences.
Let’s chant
`soil po`llution
`water po`llution
`noise po`llution
`air po`llution
`litter
`light po`llution
noise pollution
What kind of pollution is in this vedio？
free talk
Let’s talk about the things that can make noises.

18%
83%
8%
3%
18%
83%
8%
3%
bus
cat
wind
piano
car
machine
Predict
What is this passage mainly talking about？
What is this passage mainly talking about？
Word bank
Word bank
deaf
loss
sort
onto
disturb
recently
print
uncomfortable
unpleasant
including
hearing
environmental
sentence
fresh air
Work on 1a
Give a proper title to this passage.
Noise Pollution
Work on 1c
Underline the topic sentence of the passage in 1a.
Para.1
Read para.1 and fill in the blanks.
In today's world, almost everyone knows air (1) is harmful to people's health. (2) , not all people know noise is also a kind of pollution and (3) humans' health.
pollution
However
is harmful to
Para.2
Read para.2 and answer the following questions.
2.Which sentence shows that many teenagers’ hearing in America is not good
3.Why is the hearing of many young Americans not good
Many teenagers in America can hear no better than 65-year-old people do.
Because they always listen to loud pop music.
1.Which sentence is the main idea
People who work and live in noisy conditions often go deaf.
Para.3
Read para.3 and answer the following questions.
2.Which phrase has the same meaning as “is harmful to”
“do harm to”.
1.Which sentence is the main idea
Making a loud noise in public is also a kind of pollution.
Para.2&3
How does noise harm people’s health
People often ____ ______.
People often feel ______ ______ and __________.
People may become _____ or _____.
go deaf
uncomfortable
sick
unpleasant
deaf
watch and understand
Work on 1a
Read 1a and circle the language points.
In today's world, almost everyone knows air pollution is harmful to people's health. However, not all people know noise is also a kind of pollution and is harmful to humans' health.
People who work and live in noisy conditions often go deaf. For example, many of the workers who print newspapers and books lose their hearing. Quite a few people living near airports also have hearing loss. Recently, it was reported that many teenagers in
Language points
空气污染
do harm to=be harmful to 对...有害
然而
不是所有都，表部分否定
变聋
例如
lose one’s hearing=have hearing loss 丧失听力
据报道
Language points
同...（几乎）一样差
adj. 六十五岁的 有连字符不加s
劲爆的流行音乐
V-ing 作主语，谓语动词用单数
不但....而且....
do harm to=be harmful to 对...有害
太多
make sb. do sth.让某人做某事
America can hear no better than 65-year-old people do,because these young people always listen to loud pop music.
Making a loud noise in public is also a kind of pollution. It not only disturbs others but also does great harm to people's hearing. Cars and machines also produce too much noise. Such pollution makes people feel uncomfortable and unpleasant, and it can even cause them to become sick or deaf. Nowadays, many countries are trying to solve all sorts of environmental problems,including noise pollution.
Language points
try to do sth.努力做某事
them to become sick or deaf. Nowadays, many countries are trying to solve all sorts of environmental problems,including noise pollution.
Read and remember
3 min
air pollution 空气污染
do harm to=be harmful to 对...有害
not all 不是所有都
go deaf 变聋
For example 例如
lose one’s hearing=have hearing loss 丧失听力
It’s reported that 据报道
no better than 同...（几乎）一样差
loud pop music 劲爆流行音乐
not only ..but also 不但...而且....
too much 太多
make sb. do sth. 让某人做某事
try to do sth.努力做某事
Mind-map
Noise pollution
is harmful to
human’s health
people
work
live
noisy conditions
go deaf
print newspapers and books
workers
live near airports
loud pop music
teenagers in America
people
Mind-map
make a loud noise
disturb
do harm to
cars and machines
produce
feel uncomfortable and unpleasant
become sick or deaf
Work on 1b
Read 1a and match the words with their meanings.
1. produce
2. deaf
3. print
4. harm
5. sort
A. to hurt someone
B. a type or a kind
C. not be able to hear
D. to grow or make something
E. to put words or pictures onto paper using a machine
Work on 2
Complete the following passage with the correct form of each word.
Noise is a kind of _________ (pollute). Cars and machines produce too much noise. It makes people feel ___________ (comfortable) and __________ (pleasant). It also does great ______ (harm) to people’s _________ (hear). Noise is very ________ (harm) to human’s _______ (healthy).
pollution
uncomfortable
unpleasant
hearing
harmful
health
harm
Work on 3
Has noise pollution caused you any problems If yes, share your feelings with your classmates.
What about other kinds of pollution
3 Choose one kind of pollution and discuss it in groups. The following questions may help you.
1. What is … pollution
2. What makes the … pollution
3. What problems does it cause
4. In what way is it harmful to people’s life
5. What has been done to solve these problems
Work on 4
Write a short report about a kind of pollution based on 2 and 3. The topic sentence of each paragraph is given below.
… pollution is…
… pollution is harmful to people’s health…
The government has tried many ways to solve the problem…
Example
Air pollution is becoming more and more serious in today’s world. Some chemical factories produce terrible gas and make the air bad. Buses and cars also produce waste gas. In our daily life, burning gas, oil and coal also creates air pollution. The air pollution may cause a lot of problems. It is harmful to people’s health. It can cause breathing problems, sore eyes and even cancer. It can also harm the plants, and the farmers will get less harvest. Luckily, the government has tried many ways to solve the problem, such as making laws to prevent the factory from polluting the air.
Let’s check
1. —The little girl was born____, and she can’t hear
anything.
—Oh, I’m sorry to hear that.
A. lazy B. blind C. deaf D. lovely
A
B
C
D
C
Let’s check
2. — What happened
— There is a girl_____ on the street. She couldn’t find her
mother.
A. crying B. cry
C. to cry D. cries
A
B
C
D
A
Let’s check
3. The ______ boy tried to climb up the tree, but he failed.
A. 5-year-old B. 5-years-old
C. 5 year old D. 5 years old
A
B
C
D
A
Protecting the environment
everyone’s duty