Unit2 Topic1 Pollution has caused too many problems.SectionD 课件（18张）

There are many kinds of pollution around us,
air pollution
light pollution
litter
water pollution
soil pollution
noise pollution
Learning aims:
1.New words and phrases:
●coal, create, blood, planet
●many kinds of pollution ,in many ways, cause sore eyes, breathing problems ,with the increase in , with the development of , many chemicals ,high blood pressure,as well,some kinds of illnesses
2. Skill aims:
● Read and understand an article about pollution.Have the sense of protecting environment.
3. Grammar:
The differences between the simple past and present perfect
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
Work in groups
Work in groups
many kinds of pollution _____________
in many ways ___________________
cause sore eyes _________________
breathing problems ________________
with the increase in… ______________
with the development of ______________
many chemicals _______________
make people deaf ___________________
high blood pressure ___________________
as well _______ greener people __________
Some kinds of illnesses ___________________
许多种类的污染
在许多方面
导致眼疼
呼吸问题
随着……增长
随着……发展
许多化学物品
使人们变聋
高血压
也
一些种类的疾病
绿色环保者
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
4. With the increase in population and the development of industry, litter is everywhere.
随着人口的增加和工业的发展，垃圾到处都是。
5. With less pollution, our planet will become
greener and our health will be better.
随着污染的减少，我们的地球将变得更加环
保，我们也会更健康。
Language points
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
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
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.Say out the causes and effects of some pollution.
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 and some phrases:
coal, create, blood, planet , in many ways, high blood pressure, as well…
2. Some sentences:
With the increase in population and the
development of industry, litter is everywhere. …
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.
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
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
Homework
1. Read and translate 1a three times.
2. Finish Section D in your workbook.
3. Preview Section A in Topic 2.
Thank you.