Topic 1 Pollution has causes too many problems.SectionC课件（28张PPT）

(共28张PPT)
Unit 2 Saving the Earth
Topic 1 Pollution has caused too many problems .
Section C
科普2014课标版 九年级上册
I. Knowledge aims：
1. 单词：deaf, print, recently
2. 词组：go deaf, lose one's hearing,do harm to , no better than, all sorts of
II. Skill aims：
skimming and scanning
III. Emotion aims：
improve environmental protection awareness
There are all sorts of environmental problems
including pollution.
/s :t/
各种各样的
/ in vai r n'mentl/
环境的
/ i n 'k l u: d i / 包含
Watch and Guess
What kind of pollution is it
Brainstorm: Where is noise from
bus
wind
cat
piano
car
loud music
airport
machine
baby
Listen and guess:
Where is the noise from
We can hear the noise
when people print newspapers or books.
[print]印刷
I often hear the noise, but recently I hear it more often .
[ 'ri:s ntli ]最近地
Can we sleep well at night
It makes us uncomfortable and unpleasant.
adj. 使人不舒服的
adj. 令人不快的
adj. 使人舒服的
adj. 令人愉快的
温馨提示1：利用单词的构词法能更好地帮我们猜测词义和记忆单词
Noise is a kind of pollution.
It can also disturb our daily life.
Noise can make people go ______/def/
deaf
=Noise can make people
=Noise can make people .
lose their hearing.
have hearing loss
/d 'st b/打扰
变聋
Noise _______________our hearing.
对…有害的
is bad for
is harmful to
does harm to
1 [ def ] __________ ________
2[ 'hi ri ] __________ __________
3[ l s ] _________ ______________
4[ dis't :b] _________ ______________
5 [ n 'pleznt] _________ ______________
6.[ n' k mft bl ] _____________ ______________
7 [print]______ ______
8 .[s :t]________ ____________
9.[i n k 'l u: d i ] ______________ ___________
10. [ 'ri:s ntli ]_________ ___________
11. [ in vai r n'mentl ]_____________ ______________
deaf
聋的
go deaf
hearing
听力，听觉
lose one’s hearing
loss
丧失，损失
have hearing loss
disturb
打扰
unpleasant
令人不快的
uncomfortable
使人不舒服的
print
印刷
sort
n.种类；v.整理
all sorts of各种各样的
including
包括…在内
recently
最近
environmental
环境的
*
[print]
[ 'ri:s ntli]
伤害
environmental
各种各样的
disturb
hearing
including
unpleasant
不舒服的
[ def ]
变聋
丧失听力
loss
*
Read the words or phrases as quickly as possible!
A: Mom ,How terrible, our living conditions are becoming worse and worse.There are many kinds of pollution around us. Noise is also a 1. ________/ s :t / of pollution. I can’t sleep well2. __________/ 'ri:s ntli /. I can hear the planes, and I can hear workers 3.__________(印刷）in the factory.
B:Yes, Noise can4. _________([ dis't :b] ) our lives. Sometimes they make us5.____________(pleasant) and 6. ________________(comfortable). What’s worse, they can even do7. ________to our health. Living or working in8.________ (noise) conditions for a long time may make people go 9.________([ def ] ). Listening to loud music may make us have hearing 10. ________(lose).
sort
recently
printing
disturb
unpleasant
uncomfortable
harm
deaf
loss
短文填词
noisy
温馨提示2：语境能更好地帮我们掌握新单词
Noise Pollution
Who
What
How
If you want to talk about the noise pollution, what will you mention
Task1 Guessing
Who may suffer（遭受）from the noise
How does noise affect（影响） people
Match the main idea with each paragraph. (2 minutes)
Paragraph 1
Paragraph 2
Paragraph 3
a). How does noise harm people
b).Noise is a kind of pollution and it is harmful to human’s health.
c). People doing different work may go deaf easily
温馨提示3： skimming 环节是在略读中了解文章的概要
中心句
Underline the topic sentence of the passage.
温馨提示4：Topic sentences are usually in the first or the last paragraph.
(1minutes)
Noise is also a kind of pollution and is harmful to human’s health.Para.1 L2-3
listen
Who What kind How does noise harm them
People work and live in ______conditions often ______
Workers ______newspapers and books ______ their hearing
People
live near airports have hearing ________
Teenagers
in America _________ to loud pop music can ______no better than 65-year-old people do.
noisy
print
go deaf
lose
loss
Ⅱ Scanning :Read and fill in the chart
hear
no better than
=as badly as
（5 minutes)
？
温馨提示5： Scanning 环节是在跳读中寻找某些特定信息；
Read the sentences about “Effect”
People who work and live in noisy conditions often go deaf.
Many of the workers who print newspapers and books
lose their hearing.
People
who live near airports have hearing loss.
Teenagers
in America who always listen to loud pop music
can hear no better than 65-year-old people do .
工作和居住在
嘈杂环境中的
印刷报纸
和书籍的
总听劲爆的
流行音乐
住在机场附近的
Read paragraph 3 and fill in the report.
It makes people
________________________.
It can cause people
_____________________.
feel uncomfortable and unpleasant
to become sick or deaf
温馨提示6: detail reading 环节是在仔细阅读中理解文章的细节；
1.并非所有的人都知道噪音也是种污染，并且对人类的健康有害。
Not all people know noise is also a kind of pollution
and is harmful to human’s health.
2. 相当多住在机场附近的人们也听力受损。
Quite a few people living near airports have hearing loss.
3.在嘈杂环境工作和生活的人们经常变聋。
People who work and live in noisy conditions often go deaf.
4.据报道，许多美国的青少年的听力不比65岁老 人好。
It was reported that many teenagers can hear
no better than 65-year-old people do.
5. 它甚至会导致人们生病或变聋。
It can cause people to become sick or deaf.
6.它不仅打扰别人，而且极大地损害了人们的听力。
It not only disturbs others but also does great harm to people's hearing.
Choose two from the word wall to make a sentence.
quite a few
have hearing loss
cause
a kind of pollution
human's hearing
Noise Pollution
Who
What
How
noisy conditions
near airports
loud music
disturb
, harm
make
unpleasant
…..
cause
sick,
deaf
Retell it with the mind map.
Try to solve
go deaf
have hearing
loss
no better than
What should we do to
reduce noise pollution
I learn the most !
单词
表示噪音危害
的功能句
词组
我收获，我快乐！
Can you remember what we learn in this class
阅读技能：
寻读和跳读
如何减少
噪音污染
1. Recite the key words, phrases and sentences in 1a.
2. Complete 2 on Page32.
3. Complete the reading White pollution.
4. Write a proposal（倡议书） to reduce noise pollution.