Unit 2 Topic 1 Section D课件+内嵌音视频（仁爱科普版九年级上册）

(共21张PPT)
Unit 2 Saving the Earth
Topic 1 Pollution has caused too many problems.
Section D
Learn some new words and phrases.
Words: coal, create, blood, planet
Phrases:in many ways, high blood pressure, as well
Be able to use some useful expressions.
With the increase in population and the development of industry, litter is everywhere.
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
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
1a Read the passage and complete the table on Page 34.
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
Read and remember
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
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
Complete the passage according to 1a
( ) 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
Listen 1a and choose the best answer.
1. Burning gas, oil and 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
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
1b Read and understand the first sentence. Then complete the second one.
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.
Project
We learn:
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.
We can:
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.
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
B
B
( ) 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
D
C
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. Make a wall newspaper about pollution.
2. Preview Unit 2 Topic 2 Section A.