Unit2 Topic1 Pollution has caused too many problems.SectionC 课件（25张，内嵌音视频）

Unit 2 Saving the Earth
Topic 1 Pollution has caused too many problems .
Section C
Review the words
Are you ready？
Let's go !
harmful
忍受
生产
breathe
很坏的
痛苦
Watch the video
What happened when the man was going to sleep?
noise pollution
Noise is a sort/kind of pollution.
There are all sorts/kinds of noises.
They make us uncomfortable and unpleasant.
n. 种类；
v. 把……分类
adj. 使人不舒服的
adj. 令人不快的
noises made by
Before you read, please write down the things that can make noises.Then listen and check. 1a
piano
bus
cat
wind
loud music
machine
planes
Fast Reading
Read 1a quickly and find the topic sentence of the passage.

Noise is also a kind of pollution and is harmful to humans' health.
Careful reading
Read carefully and answer the questions: (1C)
1. How does noise harm peopple's health?
2. Which phrase has the same meaning as
“is harmful to”?

3. Which sentence shows that many teenagers’
hearing in America is not good?
4. Why is the hearing of many young Americans not good?
1a
Careful reading
Read carefully and answer the questions: (1C)
1. How does noise harm peopple's health?
a. People often ____ ______.
b. People often feel and .
c. People may become _____ or _____.
go deaf
uncomfortable unpleasant
sick deaf
( Paragraph 2)
( Para. 3)
( Paragraph 3)
1a
2. Which phrase has the same meaning as “is
harmful to”?
3. Which sentence shows that many teenagers’
hearing in America is not good?
4. Why is the hearing of many young Americans
not good?
“do harm to”.
Many teenagers in America can hear no better than 65-year-old people do.
Because they always listen to loud pop music.
People who work and live in noisy conditions
often go deaf.
在嘈杂的环境中工作和生活的人容易变聋。
定语从句
e.g. Beethoven was deaf.
go deaf 变聋
e.g. He _____ _____ because of the traffic accident.
went deaf
deaf adj. 聋的
Difficult sentences:
…many of the workers who print newspapers
and books lose their hearing.
很多印刷报纸和书籍的工人丧失听力。
定语从句
e.g. Look! The man is printing
something.
lose one’s hearing 丧失听力
a printer
hearing n. 听力，听觉
print v. 印刷
Difficult sentences:
Retell 1a.
Key words:
noise, pollution, be harmful to,people,
work or live in noisy conditons, print ,airport
lose one's hearing, teenager, loud music,
cars , machines , produce ,uncomfortable and unpleasant, solve



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
harm
hearing
harmful
health
Summary:
How to write a passage about a kind of pollution?
1. Cause
2. Effect/Problems/Harm
lose one's hearing / deaf , uncomfortable and unpleasant
Anything else?
Measures/Solutions : pass laws against noise pollution

work or live in noisy conditons, print ,airport
lose one's hearing, teenager, loud music,
cars , machines , produce
Can you write a short passage about noise pollution?
What can we do to protect ourselves from noise ?
wear earplugs
move away
set volume limit
Homework
Write a short passage about a kind of pollution.
Thank you!