REVISION

Unit 15

Environmental protection

Global warming

What causes the global warming?

What is it ？What is happening to it?

Our earth is crying

What will the global warming cause?

Low-lying nations could be flooded, rain and drought patterns across the world could change.Our earth is not suitable for man to live on.

Environmental protection

Since there is too much rubbish around us which always polluted our environment. Then what should we do to protect our environment?

Discuss

Don’t throw rubbish about.

Sort rubbish and recycle some rubbish.

短语回顾与…相连开始意识到污水呼吸新鲜空气适合采取措施除…之外对…是威胁充分意识到有差异、有关系占据（时间、空间）除掉灭绝由于，因为

be related tocome to realizepolluted waterbreathe fresh airbe suitable fortake action /take measures/take stepswith the exception ofa threat tobe fully aware ofmake a differencetake upget rid ofdie outdue to summary

1 、 Can you list some things that are related to the word “pollution”.

2 、 The doctor came to realize that some diseases are caused by polluted water.

3 、 The doctor advised him to drink more water and breathe fresh air.

4 、 The house used to be suitable for us people to live in, but now it’s so dirty.

5 、 We must take action to slow global warming.

6 、 With the exception of anther world war or incurable plague, global warming may be the largest threat to our planet.

7 、 We must be fully aware that global warming is a huge problem.

8 、 Whether he will come or not makes no difference.

9 、 Putting the rubbish in landfills takes up too much space.

10 、 The best way to get rid of rubbish is recycling. back

知识拓展due to: 因为

due to +n/doing 可作状语和表语　一般不放句首

be due to do 预定做… The accident is due to his careless driving.

The game was put off due to rain.

He is due to start this evening.

句首常用 owing to 或 because of

Which of the following is wrong?

A We can’t arrive in time due to the rain.

B Owing to the Party’s leadership, we are living a happy life.

C We have made much progress because of his help.

D Due to the teacher’s help, I study English well.

( )D

back

die/vi dead/death

★ die 不能与一段时间状语连用 .

He has __________ for ten years.been dead

die out ：灭绝 die away （声音、风、光）渐落、渐息　die of （内因） disease /old age /sadness/hunger

die from 外因 die for 为…而死

★

( )With the development of modern society, some traditional customs are gradually ______.

A dying of B dying out C dying away D dying from

B

D( )The storm ____ eight days later.

A died of B died out C died from D died away

back

Summary

global warming

Low-lying nations could be flooded.

Rain and drought patterns could change.

Hurricanes could become more frequent.

El Ninos could become more intense.

another world war

incurable plague

threats

to

our

planet

curb the use of fossil and fuels

reduce the amount of emissions

protect the forests

plan carefully

cause

mountains

of

rubbish

landfill

burn

recycle

glass

cans

paperAmerica

all the rubbish China

Fill in the blanksWith the possible ________ of another world war or incurable plague, ____________

may be the threat to our ______. For decades, human ________ and ____ released billions of tons of___________ gases into the atmosphere. This led to global warming.

What could be the results if we don’t curb the greenhouse gas ________? Low-lying nations could be _______, rain and drought patterns across the world could change, _________ could be more frequent, and ________ could become more intense.

Action can be taken to slow global warming. We can ____ the use of fossil fuels, ______ the amount of emissions, and _______ the forests in the world. And also we can ____________.

Every day people throw away ________ of rubbish. And most of it all goes in ______. Another way to get rid of rubbish is to _____ it. The third way is ________.

In America, teens try to put rubbish into different _____: one for ______, one for ______ and one for _____. But in China, most people still put all rubbish into the same ______. We must think about how we can _____________________.

If we all start to do , together we can achieve and .

exception global warmingplanet factories cars

greenhouse

emissionsflooded

hurricanes El Ninoscurb

reduce protect

mountains landfillsburn recycling

boxes paperglass cans

dustbin make a differencea little a lot save our planet

plan carefully

Homework

1 、 Remember the useful phrases and expressions.

2 、 Think about how to protect our environment.

3 、 Do the exercises of Unit 15.4 、 Write a composition “Saving Our Earth”.

Thanks for your coming! Good-bye!