(共19张PPT)
Unit 2 Saving the Earth
Topic 1 Pollution has caused too many problems .
Section D
It _____ (be) a mess in the past. Kangkang _______ (go) there two years ago.
The government ___________ (solve) the problem.
Everything _____________ (change).
was
went
has solved
has changed
Simple past 强调过去
Present perfect 强调现在
There are many kinds of pollution around us,
air pollution
light pollution
litter
water pollution
soil pollution
noise pollution
Read through Sections A-C and fill in the blanks with the correct words.
Grammar
I _____ (go) there two years ago.
It ______ (be) difficult for me to breathe.
What _________________ (cause) your cough
How have you ______ (be)
Luckily, the government has ___________ (solve) the problem.
been
was
caused
solved
went
Simple Past &Present Perfect
Oh, what a _______!
There were several chemical factories _______ waste water into the stream.
What was ______, the factory made too much noise…
Noise is _________ to human’s health.
People who work and live in noisy conditions often ______ deaf.
…many teenagers in America can hear no ______ than 65-year-old people do, …
…does great _______ to people’s hearing.
Functions
shame
pouring
worse
go
harmful
better
harm
( ) 1. What is the passage mainly about
A. Air pollution. B. Light pollution.
C. The healthy environment.
D. Making the environment better.
( ) 2. ________ destroy(s) the soil.
A. Chemicals B. Weather
C. Noise D. Industry
( ) 3. How do people feel after they work in strong light for
a long time
A. Excited. B. Happy.
C. Terrible. D. Sad.
Do the following tasks and check.
A
D
C
Pollution Cause Effect
air pollution burning_____, _____ and _____ _____ eyes and _________ problems
soil pollution used too many _________ which destroyed the soil.
_________ food
noise pollution _______ in a noisy place for a long time. made people _____ and cause ____________ pressure
light pollution
_______ light kinds of ________, bad for ________
gas
oil
coal
sore
breathing
chemicals
unhealthy
deaf
high blood
strong
illnesses
eyes
worked
1. They are bad for our health in many ways.
They ____________to our health in different ways.
2. People may lose their hearing if they work in a noisy
place for a long time.
If people work in noisy conditions for a long time they
may have ______________.
3. Noise pollution can make people deaf.
People may ______ deaf _____________ noise pollution.
hearing loss
do harm
go
because of
/ are harmful
There were a lot of pollution around us. They are ______ for our health in many ways.
Air pollution caused _____ eyes and __________ problems. ______ makes our environment dirty. Soil pollution ________ the soil and _______ unhealthy food. Noise pollution makes people ______ and causes high blood pressure. Light pollution is bad for _____ and causes some kinds of __________.
With less pollution, our planet will become _______ and our health will be better. Let’s be greener people.
bad
sore
breathing
Litter
destroys
causes
deaf
eyes
illnesses
greener
Language points
1. Burning gas, oil, coal creates air pollution.燃烧气体、石油和煤都会造成空气污染。
create v. 造成,创造
creative adj. 创造性的
creation n. 创造;创造物
2. In the fields, farmers use too many
chemicals which destroy the soil.
在地里,农民使用了太多对土壤起破坏作用的化肥和农药。
定语从句
3. Too much noise can cause high blood pressure as well.噪声太大也可能导致高血压。
high blood pressure 高血压
as well 也, 还
e.g. We’re going to the party tonight.
Why don’t you come along as well
Language points
More tasks.
把……倒入…… ___________________
have got a pain in… ___________________
throw around ___________________
对……有害 ___________________
not all people ___________________
go deaf ___________________
丧失听力 ___________________
和……(几乎)一样坏 ___________________
pour… into…
……疼
乱扔
be harmful to
= do harm to
不是所有人
变聋
= have hearing loss
lose one’s hearing
no better than
Mary: Excuse me. ______ I haven’t seen him for weeks.
Bill: Jim’s gone to England.
Mary: Really ______
Bill: He went there last week.
Mary: ______
Bill: For three times.
Mary: ______
Bill: He traveled with his friends.
Mary: ______
Bill: He will be away for about two weeks.
Mary: Oh, thank you. I’ll phone him this evening.
e. Where’s Jim
a. When did he go there
b. How many times has he been there
d. Who did he travel with
c. How long will he be away
e
More tasks.
a
b
d
c
Making a Wall Newspaper About Pollution
1. Collect some pictures about pollution.
2. What kind of pollution does each picture show Work
in groups and discuss its bad effects.
3. Make a wall newspaper about different kinds of
pollution and the harm caused by them.
根据汉语意思完成句子。
1. 如今,很多人患有高血压。
Nowadays, many people have _____ ______ __ ___________.
2. 动物可以在很多方面帮助人们。
Animals can help people ____ ____ ______.
3. 迈克会打篮球,他跑步也很快。
Mike can play basketball. He runs fast ____ __________.
high blood
in many ways
as
pressure
well
单项选择
( ) 1. Linda has many hobbies, ________ listening to music, collecting coins, going cycling and so on.
A. for example B. including
C. about D. and
( ) 2. There is ______ pollution in the world. We must stop it.
A. much too B. too much
C. many D. too many
( ) 3. _______ the increase in population, food has become a serious problem.
A. And B. By
C. To D. With
( )4._____ the environment is important for human beings.
A. Take care of B. Took care of
C. Taking care of D. Take the care of
B
D
C
B
1. Make a wall newspaper in English.
2. Tell the differences between Simple Past
and Present perfect.
I went there two years ago.
I have been like this since last week.
1. Some words:
coal, create, blood, planet
2. Some phrases:
in many ways, high blood pressure, as well
3. Some sentences:
People and the government have worked together to make the environment better.
Homework
1. Read 1a.
2. Make a wall newspaper about pollution.
3. Finish Section D in your workbook.
4. Preview Section A in Topic 2.
Thank you.