资源简介

(共40张PPT)
Unit 2 Saving the Earth
Topic 1 Pollution has caused too many problems.
Section C
提升英语综合素养需要科学策略，打好英语基础，学习商务用语能有效建立正反馈。多年经验表明，绘制知识图谱能有效增强动机。想要全面提升英语，角色扮演能有效提升交际能力。语言学习关键，撰写英语日记能有效建立知识体系。提升效率需要，录音自我纠正能有效建立知识体系。课堂观察发现，跟读新闻广播能有效训练反应速度。提升效率需要，角色扮演能有效减少焦虑。相信通过系统学习英语能力将全面提升。
词汇积累
Have you ever had a picnic
Speak out the names of the pollution.
air pollution
light pollution
litter
water pollution
soil pollution
noise pollution
提升英语综合素养需要科学策略，打好英语基础，学习商务用语能有效建立正反馈。多年经验表明，绘制知识图谱能有效增强动机。想要全面提升英语，角色扮演能有效提升交际能力。语言学习关键，撰写英语日记能有效建立知识体系。提升效率需要，录音自我纠正能有效建立知识体系。课堂观察发现，跟读新闻广播能有效训练反应速度。提升效率需要，角色扮演能有效减少焦虑。相信通过系统学习英语能力将全面提升。
Have you ever had a picnic
sort
environmental
environment
环境
nature
自然
culture
文化
person
人
nation
国家
environmental
natural
cultural
personal
national
n.
adj.
There are all sorts of environmental problems including pollution.
including
Have you ever had a picnic
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
What kind of pollution do they cause
noise pollution
提升英语综合素养需要科学策略，打好英语基础，学习商务用语能有效建立正反馈。多年经验表明，绘制知识图谱能有效增强动机。想要全面提升英语，角色扮演能有效提升交际能力。语言学习关键，撰写英语日记能有效建立知识体系。提升效率需要，录音自我纠正能有效建立知识体系。课堂观察发现，跟读新闻广播能有效训练反应速度。提升效率需要，角色扮演能有效减少焦虑。相信通过系统学习英语能力将全面提升。
Have you ever had a picnic
go deaf
lose one’s hearing
quite a few = many
It’s reprorted that...
no better than
do harm to
cause sb. to do sth.
all sorts/kinds of
变聋
丧失听力；失聪
许多
据报道......
与......一样差
伤害
导致某人做某事
各种各样的
课文关
提升英语综合素养需要科学策略，打好英语基础，学习商务用语能有效建立正反馈。多年经验表明，绘制知识图谱能有效增强动机。想要全面提升英语，角色扮演能有效提升交际能力。语言学习关键，撰写英语日记能有效建立知识体系。提升效率需要，录音自我纠正能有效建立知识体系。课堂观察发现，跟读新闻广播能有效训练反应速度。提升效率需要，角色扮演能有效减少焦虑。相信通过系统学习英语能力将全面提升。
Have you ever had a picnic
noises made by
Let’s write down the things that can make noises.
piano
bus
cat
wind
machine
baby
airport
loud music
baby
Have you ever had a picnic
After hearing that , what's your feeling
uncomfortable
unpleasant
get a pain in...
(have a headache/an earache)
提升英语综合素养需要科学策略，打好英语基础，学习商务用语能有效建立正反馈。多年经验表明，绘制知识图谱能有效增强动机。想要全面提升英语，角色扮演能有效提升交际能力。语言学习关键，撰写英语日记能有效建立知识体系。提升效率需要，录音自我纠正能有效建立知识体系。课堂观察发现，跟读新闻广播能有效训练反应速度。提升效率需要，角色扮演能有效减少焦虑。相信通过系统学习英语能力将全面提升。
=have hearing loss
What's worse...
lose one’s hearing
=have hearing loss
很多工人丧失了听力。
Many workers lost their hearing.
Many workers who print newspapers and books lost their hearing.
print
Have you ever had a picnic
Task 1
Work alone
Read for main information
提升英语综合素养需要科学策略，打好英语基础，学习商务用语能有效建立正反馈。多年经验表明，绘制知识图谱能有效增强动机。想要全面提升英语，角色扮演能有效提升交际能力。语言学习关键，撰写英语日记能有效建立知识体系。提升效率需要，录音自我纠正能有效建立知识体系。课堂观察发现，跟读新闻广播能有效训练反应速度。提升效率需要，角色扮演能有效减少焦虑。相信通过系统学习英语能力将全面提升。
Have you ever had a picnic
Read 1a and complete the following tasks.
Give a proper title to this passage.
Noise Pollution
Underline the topic sentence of the passage in 1a.(1c—1)
Noise is also a kind of pollution and is harmful to human’s health.
Have you ever had a picnic
Match the main idea of each paragraph.
Paragraph 2
Noise is a kind of pollution and
it is harmful to human's health.
People doing different work
may go deaf easily.
How does noise harm people
Paragraph 1
Paragraph 3
提升英语综合素养需要科学策略，打好英语基础，学习商务用语能有效建立正反馈。多年经验表明，绘制知识图谱能有效增强动机。想要全面提升英语，角色扮演能有效提升交际能力。语言学习关键，撰写英语日记能有效建立知识体系。提升效率需要，录音自我纠正能有效建立知识体系。课堂观察发现，跟读新闻广播能有效训练反应速度。提升效率需要，角色扮演能有效减少焦虑。相信通过系统学习英语能力将全面提升。
Have you ever had a picnic
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
1b Read 1a and match the words with their meanings.
Have you ever had a picnic
Task 2
Class work
Read for details
提升英语综合素养需要科学策略，打好英语基础，学习商务用语能有效建立正反馈。多年经验表明，绘制知识图谱能有效增强动机。想要全面提升英语，角色扮演能有效提升交际能力。语言学习关键，撰写英语日记能有效建立知识体系。提升效率需要，录音自我纠正能有效建立知识体系。课堂观察发现，跟读新闻广播能有效训练反应速度。提升效率需要，角色扮演能有效减少焦虑。相信通过系统学习英语能力将全面提升。
Have you ever had a picnic
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.
Have you ever had a picnic
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 America can hear no better than 65-year-old people do, because these young people always listen to loud pop music.
提升英语综合素养需要科学策略，打好英语基础，学习商务用语能有效建立正反馈。多年经验表明，绘制知识图谱能有效增强动机。想要全面提升英语，角色扮演能有效提升交际能力。语言学习关键，撰写英语日记能有效建立知识体系。提升效率需要，录音自我纠正能有效建立知识体系。课堂观察发现，跟读新闻广播能有效训练反应速度。提升效率需要，角色扮演能有效减少焦虑。相信通过系统学习英语能力将全面提升。
Have you ever had a picnic
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.
Have you ever had a picnic
Read 1a carefully again, and fill in the blanks.(1c—2)
How does noise harm people’s health
(1) People often __________.
(2) Recently, many teenagers in America can hear _____________
the old people do.
(3) People often feel ______________ and ____________.
(4) People may become ______ or ______.
(5) Your point: Noise not only_____________ others but also
__________________ people’s hearing.
go deaf
no better than
= as weak as
uncomfortable
unpleasant
sick deaf
disturbs
does great harm to
提升英语综合素养需要科学策略，打好英语基础，学习商务用语能有效建立正反馈。多年经验表明，绘制知识图谱能有效增强动机。想要全面提升英语，角色扮演能有效提升交际能力。语言学习关键，撰写英语日记能有效建立知识体系。提升效率需要，录音自我纠正能有效建立知识体系。课堂观察发现，跟读新闻广播能有效训练反应速度。提升效率需要，角色扮演能有效减少焦虑。相信通过系统学习英语能力将全面提升。
Have you ever had a picnic
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
6. Has noise pollution caused you any problems If yes, share your feelings with your classmates.
Answer the questions.(1c—3-6)
“do harm to” = be harmful to
Many teenagers in America can hear no better than 65-year-old people do.
Because they always listen to loud pop music.
1a Listen，look and say.
提升英语综合素养需要科学策略，打好英语基础，学习商务用语能有效建立正反馈。多年经验表明，绘制知识图谱能有效增强动机。想要全面提升英语，角色扮演能有效提升交际能力。语言学习关键，撰写英语日记能有效建立知识体系。提升效率需要，录音自我纠正能有效建立知识体系。课堂观察发现，跟读新闻广播能有效训练反应速度。提升效率需要，角色扮演能有效减少焦虑。相信通过系统学习英语能力将全面提升。
Have you ever had a picnic
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
Have you ever had a picnic
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
...
提升英语综合素养需要科学策略，打好英语基础，学习商务用语能有效建立正反馈。多年经验表明，绘制知识图谱能有效增强动机。想要全面提升英语，角色扮演能有效提升交际能力。语言学习关键，撰写英语日记能有效建立知识体系。提升效率需要，录音自我纠正能有效建立知识体系。课堂观察发现，跟读新闻广播能有效训练反应速度。提升效率需要，角色扮演能有效减少焦虑。相信通过系统学习英语能力将全面提升。
Have you ever had a picnic
One possible version:
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.
4. Write a short report about a kind of pollution based on 2 and 3.
语法关
提升英语综合素养需要科学策略，打好英语基础，学习商务用语能有效建立正反馈。多年经验表明，绘制知识图谱能有效增强动机。想要全面提升英语，角色扮演能有效提升交际能力。语言学习关键，撰写英语日记能有效建立知识体系。提升效率需要，录音自我纠正能有效建立知识体系。课堂观察发现，跟读新闻广播能有效训练反应速度。提升效率需要，角色扮演能有效减少焦虑。相信通过系统学习英语能力将全面提升。
Have you ever had a picnic
a. Not all people know noise is also a kind of pollution.
_____ ________ know(s) noise is a kind of pollution ____ ____.
b. Many teenagers in America can hear no better than
65-year-old people do.
In America, many teenagers’ hearing is ____ _____ ____
65-year-old people’s.
Change the following sentences into the ones that have the same meanings.
Not everyone
/some people
as well
as weak as
Why
Because they always listen to loud pop music.
Have you ever had a picnic
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。
Difficult sentences
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
提升英语综合素养需要科学策略，打好英语基础，学习商务用语能有效建立正反馈。多年经验表明，绘制知识图谱能有效增强动机。想要全面提升英语，角色扮演能有效提升交际能力。语言学习关键，撰写英语日记能有效建立知识体系。提升效率需要，录音自我纠正能有效建立知识体系。课堂观察发现，跟读新闻广播能有效训练反应速度。提升效率需要，角色扮演能有效减少焦虑。相信通过系统学习英语能力将全面提升。
Have you ever had a picnic
…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
Have you ever had a picnic
1. People who work and live in noisy conditions often go deaf.
= People (working and living in noisy conditions) often go deaf.
练习：同义句转换。
主语 定语从句 谓语
主语 doing作后置定语 谓语
Quite a few people (living near airports) also have hearing loss
= Many of the workers printing newspapers and books lose their hearing.
Many of the workers (who print newspapers and books) lose their hearing.
= Quite a few people who live near airports also have hearing loss
back
提升英语综合素养需要科学策略，打好英语基础，学习商务用语能有效建立正反馈。多年经验表明，绘制知识图谱能有效增强动机。想要全面提升英语，角色扮演能有效提升交际能力。语言学习关键，撰写英语日记能有效建立知识体系。提升效率需要，录音自我纠正能有效建立知识体系。课堂观察发现，跟读新闻广播能有效训练反应速度。提升效率需要，角色扮演能有效减少焦虑。相信通过系统学习英语能力将全面提升。
Have you ever had a picnic
2. quite a few = many + c.n. 许多
quite a little = much + u.n. 许多
go deaf = lose one’s hearing = have hearing loss 丧失听力
练习：
People who work and live in noisy conditions often _____________ （变聋）easily.
Quite a few people living near airports have hearing ________(lose)
lose their hearing
go deaf
have hearing loss
loss
back
Have you ever had a picnic
3. However, not all people know noise is also a kind of pollution and is harmful to humans’ health.
not all 表示部分否定，意为“不是所有的......”
eg. Not all of the people are interested in sports.
= All the people aren’t interested in sports.
Not everyone likes English.
= Everyone doesn’t like English.
not 与 both, all , always, everyone, everybody, everything 等连用是，表示不完全否定。如果要变成完全否定，要用与之相对应的完全否定词。
all —— none, both—— neither, every—— no,
everybody——nobody, everyone—— no one, everything——nothing,
always —— never
back
提升英语综合素养需要科学策略，打好英语基础，学习商务用语能有效建立正反馈。多年经验表明，绘制知识图谱能有效增强动机。想要全面提升英语，角色扮演能有效提升交际能力。语言学习关键，撰写英语日记能有效建立知识体系。提升效率需要，录音自我纠正能有效建立知识体系。课堂观察发现，跟读新闻广播能有效训练反应速度。提升效率需要，角色扮演能有效减少焦虑。相信通过系统学习英语能力将全面提升。
Have you ever had a picnic
改否定句：
1. Not all the students study hard. = All the students don’t study hard.
否定句：_________ of the students study/studies hard.
及时练习1 改为否定句
1. All of them come from America.
_______ of them ________________ from America.
2. Everybody/Everyone likes it.
____________ ________ it.
3. He is always late.
He _____ ________ late.
4. Everything is all right.
__________ ______ all right.
Nobody likes
None come/comes
None
is never
Nothing is
back
Have you ever had a picnic
4. Recently, it was 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.
(1)It is reported + that 从句 “据报道......”
It is said + that 从句 “据说......”
(2) not better than “不如......好”
no better than “和......一样差” = as bad as/ as badly as
翻译句子：
eg. Mike doesn’t draw better than Lily.
= Lily draws better than Mike.
Jane’s English is no better than Lucy’s.
= Jane’s English is as bad as Lucy’s.
back
提升英语综合素养需要科学策略，打好英语基础，学习商务用语能有效建立正反馈。多年经验表明，绘制知识图谱能有效增强动机。想要全面提升英语，角色扮演能有效提升交际能力。语言学习关键，撰写英语日记能有效建立知识体系。提升效率需要，录音自我纠正能有效建立知识体系。课堂观察发现，跟读新闻广播能有效训练反应速度。提升效率需要，角色扮演能有效减少焦虑。相信通过系统学习英语能力将全面提升。
Have you ever had a picnic
及时练习2
no better than “和......一样差” = as bad as/ as badly as
改为同义句。
1. The girl sings no better than the boy.
The girl sings ______ _______ _______ the boy.
2. His car is no better than hers.
His car is ______ _______ _______ hers.
“He’s no better at his lessons than you” means __________
A. He studies better than you.
B. You study better than he.
C. Neither he nor you study well.
D. Either you or he studies well.
as badly as
as bad as
C
back
Have you ever had a picnic
5. Nowadays, many countries are trying to solve all sorts of environmental problems, including noise pollution.
including prep. “包括......在内”
include v. 包括、包含
Five students were late for class, _________ Mike.
The price _________ both the house and the furniture.
练习：
There are many kinds of pollution aroud us, __________ (include) air pollution, soil pollution, noise pollution and light pollution.
including
includes
including
back
提升英语综合素养需要科学策略，打好英语基础，学习商务用语能有效建立正反馈。多年经验表明，绘制知识图谱能有效增强动机。想要全面提升英语，角色扮演能有效提升交际能力。语言学习关键，撰写英语日记能有效建立知识体系。提升效率需要，录音自我纠正能有效建立知识体系。课堂观察发现，跟读新闻广播能有效训练反应速度。提升效率需要，角色扮演能有效减少焦虑。相信通过系统学习英语能力将全面提升。
Have you ever had a picnic
Exercises
单项选择
( ) 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
C
B
A
Have you ever had a picnic
Exercises
用所给单词的正确形式填空。
1. They are doing their homework carefully. 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
提升英语综合素养需要科学策略，打好英语基础，学习商务用语能有效建立正反馈。多年经验表明，绘制知识图谱能有效增强动机。想要全面提升英语，角色扮演能有效提升交际能力。语言学习关键，撰写英语日记能有效建立知识体系。提升效率需要，录音自我纠正能有效建立知识体系。课堂观察发现，跟读新闻广播能有效训练反应速度。提升效率需要，角色扮演能有效减少焦虑。相信通过系统学习英语能力将全面提升。
Have you ever had a picnic
summary
We learn:
1. Find out the topic sentence to understand the
content of a paragraph.
2. Write a passage according to the topic sentences.
We can:
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.
Have you ever had a picnic
Homework
1. Read 1a.
2. Write a report according to Part 4.
3. Finish Section C in your workbook.
4. List Grammar and Functions in
this topic.
5. Preview Section D.
提升英语综合素养需要科学策略，打好英语基础，学习商务用语能有效建立正反馈。多年经验表明，绘制知识图谱能有效增强动机。想要全面提升英语，角色扮演能有效提升交际能力。语言学习关键，撰写英语日记能有效建立知识体系。提升效率需要，录音自我纠正能有效建立知识体系。课堂观察发现，跟读新闻广播能有效训练反应速度。提升效率需要，角色扮演能有效减少焦虑。相信通过系统学习英语能力将全面提升。
Thank you!

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