内容正文:
nullnull
九上Unit 2 Saving the Earth
Topic 1
Pollution has caused too many problems.
Section C
I、Master the new words and phrases:
deaf, print, hearing, loss, recently, disturb,sort, uncomfortable,
unpleasant, sentence, meaning, go deaf, lose one’s hearing,
hearing loss, no better than, do harm to...
II、Be able to understand the sentences containing relative clauses.
III、Deepen awareness of environmental issues and establish
environmental awareness.
Learning aims:
可爱的地球
Review
Speak out the names of the pollution.
air pollution
light pollution
litter
water pollution
soil pollution
noise pollution
可爱的地球
Pre-reading
Warm up
Let’s learn about noise pollution today.
可爱的地球
Sounds are everywhere around us. If sounds get too loud or
lasts (v.持续) too long, they become noise pollution.
可爱的地球
Let’s write down the things that can make noises.
noises made by
loud music
truck
fast wind
machine
earthquake
airport
alarm clock
cat
piano
提示:点击图片出答案。
可爱的地球
Noise is a sort/kind of pollution.
There are all sorts/kinds of noises.
They make us uncomfortable and unpleasant.
New words
&expressions
/sɔ:t/ n. 种类;品种
v. 整理;把.....分类
a sort/kind of 一种
all sorts/kinds of 各种各类的
/ʌn'kʌmftəbl/ adj. 令人不舒服的
/ʌn'plezənt/ adj. 令人不愉快的
可爱的地球
Noises that reach a level of 85 db (n.分贝) can cause hearing loss.
(定语从句)
Workers who print newspapers and books can go deaf/lose their hearing.
(定语从句)
/'hɪərɪŋ/ n. 听力,听觉
/lɒs/ n. 丧失;损失;丢失
/prɪnt/
v. 印刷
/def/
adj. 聋的
go deaf 变聋
=lose one’s hearing 失聪
=have hearing loss 丧失听力
可爱的地球
Recently, noise in the community (n.小区/社区) not only disturbs others but also does harm to people’s hearing.
/'ri:sntli/ adv. 不久前;最近
/dɪ'stɜ:b/ v.
打扰;扰乱
do harm to
伤害,损害
可爱的地球
onto
sentence
There are all sorts of environmental problems including noise pollution.
environment
环境
nature
自然
culture
文化
person
人
nation
国家
environmental
环境的
natural
自然的
cultural
文化的
personal
个人的
national
国家的
adj.
n.
/ɪn,vaɪrən'mentl/ adj. 环境的
/ɪn'klu:dɪŋ/ prep. 包括......在内
/'ɒntə/
prep. 向,朝
/'sentəns/
n. 句子;判决
可爱的地球
While-reading
1b
Read 1a and 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
可爱的地球
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 humans’ health.
Skimming
可爱的地球
Scanning
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
可爱的地球
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.
Finish the following task and read paragragh 1.
Q1.Which phrase has the same meaning as “is harmful to”?
Q2. What does the phrase “a kind of” mean?
Write down another phrase which has the same meaning.
提示:点击文本框可听录音。
Careful reading
“do harm to” = be harmful to
“一种”。 a sort of = a kind of
可爱的地球
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.
Finish the following task and read paragragh 2.
How does noise harm people’s health?
(1) People often __________.
(2) Recently, many teenagers in America can hear _____________
the old people do.
提示:点击文本框可听录音。
Careful reading
go deaf
no better than
= as weak as
可爱的地球
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.
Finish the following task and read paragragh 2.
Q1. Which sentence shows that many teenagers’ hearing in America
is not good?
Q2. Why is the hearing of many young Americans not good?
提示:点击文本框可听录音。
Careful reading
Many teenagers in America can hear no better than 65-year-old people do.
Because they always listen to loud pop music.
可爱的地球
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.
Finish the following task and read paragragh 3.
How does noise harm people’s health?
(3) People often feel ______________ and ____________.
(4) People may become ______ or ______.
(5) Your point: Noise not only_____________ others but also
__________________ people’s hearing.
提示:点击文本框可听录音。
Careful reading
uncomfortable
unpleasant
sick deaf
disturbs
does great harm to
可爱的地球
Has noise pollution caused you any problems?
If yes, share your feelings with your classmates.
可爱的地球
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
可爱的地球
Watch and follow
可爱的地球
Post-reading
1. 变聋 _____________
2. 丧失听力;失聪 ______________________
3. 许多 ____________________
4. 据报道....... ______________________
5. 与.......一样(差) __________________
6. 伤害,损害 _______________
7. 导致某人做某事 _____________________
8. 各种各样的 _____________________
Find the phrases.
lose one’s hearing
quite a few = many
It’s reported that...
no better than
do harm to
cause sb. to do sth.
all sorts/kinds of
go deaf
可爱的地球
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?
...
可爱的地球
4
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.
Write a short report about a kind of pollution based on 2 and 3.
可爱的地球
Key points
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?
not all 表示部分否定,意为“不是所有的......”
Because they always listen to loud pop music.
可爱的地球
Key points
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
go 作系动词意为“变”
mute adj. “哑的”
blind adj. “瞎的”
可爱的地球
Key points
…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
可爱的地球
Key points
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.
可爱的地球
Key points
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
v. n.
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
可爱的地球
Key points
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
可爱的地球
Key points
改为否定句:
1. Not all the students study hard. = All the students don’t study hard.
否定句:_________ of the students study/studies hard.
闯关练习: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
可爱的地球
Key points
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.
可爱的地球
Key points
闯关练习:
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
可爱的地球
Key points
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.
闯关练习:
There are many kinds of pollution aroud us, __________ (include) air pollution, soil pollution, noise pollution and light pollution.
including
includes
including
可爱的地球
Exercises
I.用所给词汇的适当形式或根据汉语提示填空。
1. There are many kinds of pollution around us, __________ (include)
air pollution, soil pollution, noise pollution and light pollution.
2. Great changes have taken place in my hometown __________ (recent) .
3. Nowadays, many countries are trying to solve all _______ (sort) of
environmental problems.
4. The government has tried many ________ (way) to solve the problem.
5. Quite a few people living near airports have hearing _______ (lose).
6. Please don’t __________ (打扰) me when I’m working.
7. My hometown has changed greatly in _________ (最近的) years.
including
recently
sorts
ways
loss
disturb
recent
可爱的地球
II.按要求完成句子。
1. There were many flowers in the park in the past.(改为同义句)
The park had quite ______ ______ flowers in the past.
2. Tom’s English is not better than Tina’s. (改为同义句)
Tom’s English is ______ ______ Tina’s.
3. Reading in poor light is harmful to our eyes. (改为同义句)
Reading in poor light _______ ________ to our eyes.
4. 不是所有的学生都喜欢打电脑游戏。(完成译句)
_______ _______ the students like playing computer games.
5. 据报道,乘坐此次航班的人数为227。(完成译句)
It ______ _________ that the number of the people who took the flight is 227.
Exercises
a few
worse than
does harm
Not all
was reported
可爱的地球
Summary
We learn:
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.
We can:
1. Find out the topic sentence to understand the content of a paragraph.
2. Write a passage according to the topic sentences.
可爱的地球
Homework
1. Learn the new words and phrases by heart.
2. Recite the passage in 1a.
Write a report according to Part 4.
3. Finish Section C in the workbook.
4. Preview Section D.
Thank you!
Lavf58.46.101
665395.9
86831.68
null
167472.0
$$nullnull