（新课标·新版教材）Unit 2 Topic 1 Pollution has caused too many problems. Section D 课件（31张）+内嵌视频

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Unit 2 Saving the Earth
Topic 1 Section D
Learning objectives
4. Tell the differences between Simple Past and Present perfect.
1. Some words:
coal, create, blood, planet
2. Some phrases:
in many ways, high blood pressure, as well
3. Some sentences:
With the increase in population and the development of industry, litter is everywhere.
What do you think of it How do you feel
Free talk
Can you list some pollution we have learned
air pollution
noise pollution
26%
45%
8%
water pullution
There are many kinds of pollution around us,including air pollution,water pollution,soil pollution,noise pollution and light pollution.
Word bank
Work on 1a
Read 1a and choose the best answer.
( ) 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.
para.1
Read para.1 and answer the questions.
1.Read and finish the mind-map.
are bad for
2.Read and understand the first sentence. Then complete the second one.
They are bad for our health in many ways.
They ____________to our health in different ways.
para.1
Read para.1 and answer the questions.
pollution
air pollution
soil pollution
noise pollution
light pollution
1.Read and finish the mind-map.
are bad for
people’s health
2.Read and understand the first sentence. Then complete the second one.
They are bad for our health in many ways.
They ____________to our health in different ways.
do harm
/ are harmful
para.2
Read para.2 and answer the questions.
burning gas
coal
1.Read and finish the mind-map.
2.Read and understand the first sentence. Then complete the second one.
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 ______________.
effect
cause
para.2
Read para.2 and answer the questions.
air pollution
burning gas
oil
coal
1.Read and finish the mind-map.
sore eyes
2.Read and understand the first sentence. Then complete the second one.
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 ______________.
cause
breathing problems
effect
hearing loss
para.3
Read para.3 and answer the questions.
chemical
1.Read and finish the mind-map.
cause
effect:
Litter is everywhere.
the development of industry
Farmers use too many chemicals.
effect:
para.3
Read para.3 and answer the questions.
soil pollution
litter
chemical
1.Read and finish the mind-map.
cause
effect: dirty environment
Litter is everywhere.
People put lots of water into the land.
the increase in people
the development of industry
Farmers use too many chemicals.
effect: unhealthy food
para.4
Read para.4 and answer the questions.
work in a noisy place for a long time
1.Read and finish the mind-map.
2.Read and understand the first sentence. Then complete the second one.
Noise pollution can make people deaf.
People may ______ deaf _____________ noise pollution.
cause
cause high blood pressure
para.4
Read para.4 and answer the questions.
noise pollution
work in a noisy place for a long time
too much noise
1.Read and finish the mind-map.
make people deaf
2.Read and understand the first sentence. Then complete the second one.
Noise pollution can make people deaf.
People may ______ deaf _____________ noise pollution.
cause
cause high blood pressure
effect
go
because of
para.3
Read para.5 and answer the questions.
work in strong light for a long time
1.Read and finish the mind-map.
cause
feel terrible
effect
para.3
Read para.5 and answer the questions.
light pollution
work in strong light for a long time
1.Read and finish the mind-map.
cause
kinds of illnesses
feel terrible
be bad for eyes
effect
listen and understand
Language points
There are many kinds of pollution around us, including air pollution, soil pollution,noise pollution and light pollution. They are bad for our health in many ways.
Burning gas, oil and coal creates air pollution. It can cause sore eyes and breathing problems.With the increase in population and the development of industry, litter is everywhere. It makes our
be bad for 对....有害
....的发展
Language points
make sb./sth. +adj. 使某人/某物怎么样
put ...into..把...放入
太多+可数名词复数
不健康的 healthy 健康的
例如
lose one’s hearing=have a hearing loss 丧失听力
高血压
也
It makes our environment dirty. People put lots of litter into the land. In the fields, farmers use too many chemicals which destroy the soil. Soil pollution causes unhealthy food.
Noise pollution can make people deaf. For example, people may lose their hearing if they work in a noisy place for a long time. Too much noise can cause high blood pressure as well.
Language points
Working in strong light for a long time may cause some kinds of illnesses. It makes people feel terrible and is especially bad for eyes.
With less pollution, our planet will become greener and our health will be better. L et's be greener people.
环保人士
Read and remember
3 min
be bad for 对....有害
the development of ....的发展
put ...into..把...放入
too many 太多
For example 例如
lose one’s hearing=have a hearing loss 丧失听力
high blood pressure 高血压
as well 也
greener people 环保人士
Work on 1a
Complete the passage according to 1a.
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. 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
根据汉语意思完成句子。
Function
1.哦，太遗憾了。
Oh,
2.有几家化工厂正往溪流里排废水。
There were several chemical factory into the stream.
3.更糟糕的是，工厂制造太多噪音
, the factory makes too much noise.
what a shame.
pouring waste water
what was worse
Function
4.噪音对人类健康有害。
Noise humans’ health.
5.工作和生活在噪音条件下的人们经常会变聋。
People who work and live in noisy conditions often
6.许多美国年轻人的听力几乎和六十五岁老人一样差。
Many teenagers in America can hear 65-year-old people do.
is harmful to
go deaf
no better than
Grammar
Simple Past ＆Present Perfect
I _____ (go) there two years ago.
It (be) difficult for me to breathe.
What _________(cause) your cough
was
caused
went
Grammar
Simple Past ＆Present Perfect
How have you (be)
Luckily,the government has ____________ (solve) the problem.
been
sloved
Let’s check
1. Linda has many hobbies, ________ listening to music, collecting coins, going cycling and so on.
A. for example B. including
C. about D. and
Let’s check
2. There is ______ pollution in the world. We must stop it.
A. much too B. too much
C. many D. too many
Let’s check
3. _______ the increase in population, food has become a serious problem.
A. And B. By
C. To D. With
Protecting the environment
everyone’s duty