仁爱科普版九年级上册Unit 2 Saving the earth.Topic 1 SectionD 课件(共15张PPT)

(共15张PPT)
Unit 2 Saving the Earth
Topic 1 Pollution has caused too many problems .
Section D
There are many kinds of pollution around us,
air pollution
light pollution
litter
water pollution
soil pollution
noise pollution
( ) 1. What is the passage mainly about
A. Air pollution. B. Light pollution.
C. Litter. D. All sorts of pollution.
( ) 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.
A
D
C
New words
coal
create
blood
high blood pressure
planet
造成，创造
行星
高血压
血
煤
Pollution Cause Effect
air pollution burning_____, _____ and _____ _____ eyes and _________ problems
soil pollution _____ is everywhere, use too many __________ ______ environment and _________ food
noise pollution _______________ place for a long time make people _____ and cause ____________ pressure
light pollution
_______ light kinds of ________, bad for ________
gas
oil
coal
sore
breathing
litter
chemicals
dirty
unhealthy
work in a noisy
deaf
high blood
strong
illnesses
eyes
There are many __________ of pollution around us. They are ______ for our health in many ways.
Air pollution causes _____ 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.
kinds/sorts
bad
sore
breathing
Litter
destroys
causes
deaf
eyes
illnesses
greener
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
Read through Sections A-C and fill in the blanks with the correct words.
Grammar
I _____ (go) there two years ago.
There ______ (be) lots of flowers and grass.
What _________________ (happen) here
I have ______ (be) like this since last week.
The flowers and grass ____________ (go)!
been
were
has happened
have gone
went
Simple Past ＆Present Perfect
It _____ (be) beautiful in the past. Kangkang _______ (go) there two years ago.
The flowers and grass ___________ (go).
Everything _____________ (change).
Mrs. Zhou ____________ (be) like this since last week.
She ______________ (not see) a doctor yet.
was
went
have gone
has changed
has been
hasn’t seen
Simple past 强调过去
Present perfect 强调现在
They are caused
by pollution.
一般过去时表示过去某个时间发生的事、存在的状态或经常发生的动作。说话的侧重点只在于陈述一件过去的事情，不强调对“现在”产生的影响。
现在完成时表示动作发生在过去，对现在造成了影响或产生了结果。不与确定的过去时间状语连用。 He visited Guilin in 1998.他1998年参观过桂林。(只说明去桂林的时间)
　 Jill has bought a new computer.吉尔买了一台新电脑。(着重点是现在有了一台新电脑)
1. They (go)__________ to America last year.
2. I’m sorry. I (forget)_________ your name.
3. My friend (finish) __________ college last year.
4. How long ______ she ______(be) ill
5. —Where is your father We haven’t seen each other for weeks. —______. A. He has been to America B. He has gone to England C. He is going to Australia D. He would visit my grandparents
went
forgot
finished
has
been
B
Exercises
Oh, what a _______!
There are several chemical factories _______ waste water into the stream.
What’s ______, the factory makes 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
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 ____ ______.
4. 随着工业的发展，污染越来越严重。
____ ____ ____________ ___ industry, pollution has
become _____ _____ _____ serious.
high blood pressure
in many ways
as well
With the development of
more and more
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
Thank you.