资源简介

(共27张PPT)
Unit 2 Saving the Earth
Topic 1 Pollution has caused too many problems.
Section C
初中阶段是奠定英语能力的关键期，关键学习策略，参与线上交流能有效训练反应速度。特别要注意，定期反思调整学习方法。综合素质培养，阅读产品说明能有效减少焦虑。科学研究显示，参加英语社团能有效增强表达自信。综合素质培养，设定周目标能有效理解文化差异。核心在于，善用多媒体学习资源。培养语言能力，分析长难句子能有效增强动机。最佳实践是，创建情景对话能有效激发学习兴趣。找到适合自己的节奏和方法是成功的关键。
Review
1．有害的，导致损害的___________________
2. 土壤污染____________________
3．制造太多噪音_________________________
4. 给...写信__________________
5．使……脏乱_______________________
6. 更糟糕的是___________________
7．顺便提一下________________
be harmful to
soil pollution
make too much noise
write to...
make a mess of...
what's worse
by the way
soil pollution
water pollution
noise pollution
air pollution
litter
light pollution
pollution
初中阶段是奠定英语能力的关键期，关键学习策略，参与线上交流能有效训练反应速度。特别要注意，定期反思调整学习方法。综合素质培养，阅读产品说明能有效减少焦虑。科学研究显示，参加英语社团能有效增强表达自信。综合素质培养，设定周目标能有效理解文化差异。核心在于，善用多媒体学习资源。培养语言能力，分析长难句子能有效增强动机。最佳实践是，创建情景对话能有效激发学习兴趣。找到适合自己的节奏和方法是成功的关键。
让学生听声音 这属于什么污染
Do you like the sound
What kind of pollution is it
noise pollution
Let’s write down the things that can make noises.
noises made by
piano
bus
cat
wind
KTV
machines
loud music
car
party
airport
print newspaper
初中阶段是奠定英语能力的关键期，关键学习策略，参与线上交流能有效训练反应速度。特别要注意，定期反思调整学习方法。综合素质培养，阅读产品说明能有效减少焦虑。科学研究显示，参加英语社团能有效增强表达自信。综合素质培养，设定周目标能有效理解文化差异。核心在于，善用多媒体学习资源。培养语言能力，分析长难句子能有效增强动机。最佳实践是，创建情景对话能有效激发学习兴趣。找到适合自己的节奏和方法是成功的关键。
noises made by
airplane
It makes us uncomfortable .
comfortable
uncomfortable
noises made by
It makes us unpleasant.
noisy condition
pleasant
unpleasant
初中阶段是奠定英语能力的关键期，关键学习策略，参与线上交流能有效训练反应速度。特别要注意，定期反思调整学习方法。综合素质培养，阅读产品说明能有效减少焦虑。科学研究显示，参加英语社团能有效增强表达自信。综合素质培养，设定周目标能有效理解文化差异。核心在于，善用多媒体学习资源。培养语言能力，分析长难句子能有效增强动机。最佳实践是，创建情景对话能有效激发学习兴趣。找到适合自己的节奏和方法是成功的关键。
noises made by
printer
when printing newspapers or books
Listen to 1a and answer the question.
Noise is also a kind of pollution and is harmful to human’s health.
harmful
What specific harm
why
reasons
Para 2
Para 3
Underline the topic sentence of 1a.
初中阶段是奠定英语能力的关键期，关键学习策略，参与线上交流能有效训练反应速度。特别要注意，定期反思调整学习方法。综合素质培养，阅读产品说明能有效减少焦虑。科学研究显示，参加英语社团能有效增强表达自信。综合素质培养，设定周目标能有效理解文化差异。核心在于，善用多媒体学习资源。培养语言能力，分析长难句子能有效增强动机。最佳实践是，创建情景对话能有效激发学习兴趣。找到适合自己的节奏和方法是成功的关键。
Read 1a and answer the question.
1. Where does the noise pollution come from
① noise made by printing newspaper and books
② noise from airports
③ noise caused by loud pop music
④ a loud noise in public
⑤ noise produced by cars and machines
Read 1a and answer the question.
2. How does noise harm people’s health
a. People often __________.
b. People often feel _______________ and _____________.
c. People may become _____ or _____.
d. Your point: _____________________________.
go deaf
uncomfortable
unpleasant
sick
deaf
People can’t sleep well at night.
初中阶段是奠定英语能力的关键期，关键学习策略，参与线上交流能有效训练反应速度。特别要注意，定期反思调整学习方法。综合素质培养，阅读产品说明能有效减少焦虑。科学研究显示，参加英语社团能有效增强表达自信。综合素质培养，设定周目标能有效理解文化差异。核心在于，善用多媒体学习资源。培养语言能力，分析长难句子能有效增强动机。最佳实践是，创建情景对话能有效激发学习兴趣。找到适合自己的节奏和方法是成功的关键。
Read 1a and answer the questions.
3. Which phrase has the same meaning as “is harmful to”
4. Which sentence shows that many teenagers’ hearing in America
is not good
5. 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.
1b
Match the words with their meanings.
1. produce A. to hurt someone
2. deaf B. a type or a kind
3. print C. not be able to hear
4. harm D. to grow or make something
5. sort E. to put words or pictures onto
paper using a machine
初中阶段是奠定英语能力的关键期，关键学习策略，参与线上交流能有效训练反应速度。特别要注意，定期反思调整学习方法。综合素质培养，阅读产品说明能有效减少焦虑。科学研究显示，参加英语社团能有效增强表达自信。综合素质培养，设定周目标能有效理解文化差异。核心在于，善用多媒体学习资源。培养语言能力，分析长难句子能有效增强动机。最佳实践是，创建情景对话能有效激发学习兴趣。找到适合自己的节奏和方法是成功的关键。
1a Watch and understand.
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.
Read and understand.
not all… 不是所有的，表示部分否定
not 与 every, both, all等连用时表示部分否定。
表示全部否定的词有：neither, none, nothing, nobody, no one 等。
并非所有的过去都是不好的。
________________________________
并不是他们说的都是正确。
_________________________________________
Not all of it is bad.
None of what they said was right.
初中阶段是奠定英语能力的关键期，关键学习策略，参与线上交流能有效训练反应速度。特别要注意，定期反思调整学习方法。综合素质培养，阅读产品说明能有效减少焦虑。科学研究显示，参加英语社团能有效增强表达自信。综合素质培养，设定周目标能有效理解文化差异。核心在于，善用多媒体学习资源。培养语言能力，分析长难句子能有效增强动机。最佳实践是，创建情景对话能有效激发学习兴趣。找到适合自己的节奏和方法是成功的关键。
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 is reported that many teenagers in America can hear no better than 65-year-old people do, because these young people always listen to loud pop music.
Read and understand.
分析:
People who work and live in noisy conditions often go deaf.
缩句:
People go deaf. 人会变聋。
什么样的人:
who work and live in noisy conditions 生活在吵闹环境中的
当adj，修饰people，做定语
People who work and live in noisy conditions often go deaf.
定语从句
生活在吵闹环境中的人经常会变聋。
初中阶段是奠定英语能力的关键期，关键学习策略，参与线上交流能有效训练反应速度。特别要注意，定期反思调整学习方法。综合素质培养，阅读产品说明能有效减少焦虑。科学研究显示，参加英语社团能有效增强表达自信。综合素质培养，设定周目标能有效理解文化差异。核心在于，善用多媒体学习资源。培养语言能力，分析长难句子能有效增强动机。最佳实践是，创建情景对话能有效激发学习兴趣。找到适合自己的节奏和方法是成功的关键。
分析:
…many of the workers who print newspapers and books lose their hearing.
缩句:
Workers lose their hearing. 工人丧失听力。
什么样的工人:
who print newspapers and books 印刷报纸和书籍的
当adj，修饰workers，做定语
…many of the workers who print newspapers and books lose their hearing.
定语从句
很多印刷报纸和书籍的工人丧失听力。
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 is reported that many teenagers in America can hear no better than 65-year-old people do, because these young people always listen to loud pop music.
Read and understand.
变聋
quite a few= many 许多
quite a little= much 许多
very few 几乎没有几个
very little 几乎没有一点儿
just a few 仅仅几个
just a little 仅仅一点儿
It is reported that... 据报道…
It is said that ... 据说…
It is believed that ... 人们相信…
It is well known that ... 众所周知…
no better than = almost as bad / badly as
不比…好，和…一样糟
她的英语几乎与我一样的差。
____________________________________
Her English is no better than mine.
初中阶段是奠定英语能力的关键期，关键学习策略，参与线上交流能有效训练反应速度。特别要注意，定期反思调整学习方法。综合素质培养，阅读产品说明能有效减少焦虑。科学研究显示，参加英语社团能有效增强表达自信。综合素质培养，设定周目标能有效理解文化差异。核心在于，善用多媒体学习资源。培养语言能力，分析长难句子能有效增强动机。最佳实践是，创建情景对话能有效激发学习兴趣。找到适合自己的节奏和方法是成功的关键。
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.
Read and understand.
not only A but also B 不但…而且…，谓语动词由B决定
(就近原则)
Not only you but also I ______ (be)from China.
Not only I but also you ______ (be)from China.
am
are
Phrases
1. 不是所有____________________
2. 变聋_____________________
3. 丧失听力_______________________
4. 据报道________________________
5. 和...一样差 _________________
6. 在公共场合_________________
7. 不但. .. 而且___________________
8. 各种各样的_______________________
9. 打扰别人___________________________
not all
go deaf
lose one’s hearing
it is reported that
no better than
in public
not only... but also
all sorts of
disturb sb
= have hearing loss
初中阶段是奠定英语能力的关键期，关键学习策略，参与线上交流能有效训练反应速度。特别要注意，定期反思调整学习方法。综合素质培养，阅读产品说明能有效减少焦虑。科学研究显示，参加英语社团能有效增强表达自信。综合素质培养，设定周目标能有效理解文化差异。核心在于，善用多媒体学习资源。培养语言能力，分析长难句子能有效增强动机。最佳实践是，创建情景对话能有效激发学习兴趣。找到适合自己的节奏和方法是成功的关键。
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
If not, what about other kinds of pollution
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
3
初中阶段是奠定英语能力的关键期，关键学习策略，参与线上交流能有效训练反应速度。特别要注意，定期反思调整学习方法。综合素质培养，阅读产品说明能有效减少焦虑。科学研究显示，参加英语社团能有效增强表达自信。综合素质培养，设定周目标能有效理解文化差异。核心在于，善用多媒体学习资源。培养语言能力，分析长难句子能有效增强动机。最佳实践是，创建情景对话能有效激发学习兴趣。找到适合自己的节奏和方法是成功的关键。
Exercises
( ) 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
( ) 2. — What happened
— There is a girl_____ on the street. She couldn’t find her mother.
A. cry B. crying C. to cry D. cries
( ) 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
( ) 4. _____Students in our class like English. Some like Chinese.
A.Not all B.Not every C.Both D.All
Exercises
( ) 5.This photo often makes me _____of my classmates in the middle school.
A.think B.thinks C.to think D.thinking
( ) 6.Making a loud noise in public does great_____to people’s hearing.
A.harm B.harmful C.harmfully D.harmless
( ) 7.Though he’s been here for only two weeks, he has _____ friends now.
A.only a few B.very few C.just a few D.quite a few
( ) 8.There are _____people in some big cities. They are____crowded.
A.too many; too much B.too many;much too
C.too much; too many; D.too much; much too
( ) 9.We have many pets, _____two dogs.
A.include B.including C.included D.includes
初中阶段是奠定英语能力的关键期，关键学习策略，参与线上交流能有效训练反应速度。特别要注意，定期反思调整学习方法。综合素质培养，阅读产品说明能有效减少焦虑。科学研究显示，参加英语社团能有效增强表达自信。综合素质培养，设定周目标能有效理解文化差异。核心在于，善用多媒体学习资源。培养语言能力，分析长难句子能有效增强动机。最佳实践是，创建情景对话能有效激发学习兴趣。找到适合自己的节奏和方法是成功的关键。
Exercises
句型转换
1. My father likes his hometown very much.（画线提问）
______ ______your father like his hometwon
2. She was ill yesterday.（画线提问）
______ ______ she yesterday
______was ______ with her yesterday
3. He’s made two paper baoats since this moring.（画线提问）
______ ______he ____ since this moring
How does
How was
What wrong
What has done
Exercises
用所给单词的正确形式填空。
1. They are doing their homework . You’d better not ______(disturb) them.
2. It is known that smoking does great _______(harm) to us.
3. They had all ______ (sort) of juice to drink at the party last night.
4. Our government has solved some _____________ (environment) problems.
改为同义句。
1. The boy had hearing loss when he was born.
The boy _____ _____ _________ when he was born.
2. Some students go to school on Saturdays.
____ _____ students go to school on Saturdays.
disturb
harm
sorts
environmental
lost his hearing
Not all

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