(共28张PPT)
They may disappear one day….
Global Warming
Heifei No.8 Middle School
Luo Yuanyuan
Para2 How is it relevant to our lives
Para3 Why is it seen as a danger
Para4 What is global warming
Structure( read the last sentence of para1.)
Structure
_________of global warming
________ of global warming
_______ of global warming
_________ to global warming
Causes
Results
Solutions
Para2
Para3
Para4
Para5
Para1
Definition
The main purpose of the first paragraph is __________.
A. to introduce the topic of global warming to the readers
B. to remind the readers of human activities in the past
C. to introduce many great troubles in the future
D. to mention the process of global warming in history
Para1.
What has happened in the last 50 years
Para 1
vehicles
pump into
a large ________ of gases
amount
(quantity)
speed up
Who is to blame
Scientists have reached
consensus that…
agreement
Para2
What is global warming
What controls the temperature of the Earth
carbon dioxide
( greenhouse gas)
trap heat
Which of the following is right
A. Global temperature has increased by 1F in the past 250 years.
B. Nearly 16t of CO2 pumps into the atmosphere every year for every one.
C. The cutting down of trees is relevant to global warming.
D. The amount of CO2 has risen by over 50% in the last 250 years.
Para 3
√
Causes
Results
1….
2….
3…
……
1….
2….
3…
……
Para3 & Para4
Global warming can be mostly pinned on human activities.
All these are _______ activities.
human
1°F
The Butterfly Effect
drought
flooding
heat waves
fishing
With the polar ice _________, sea levels______,flooding the places where we used to live.
Para 4
melting
rise
All these severe results are destroying life on Earth.
consequences
condemning
Can we take the heat
-----------slow down
Para 5
What can we infer in the last paragraph
Global warming will slow down if less CO2 pumps into the atmosphere.
Chinese people shoulder greater responsibilities to reduce CO2.
It’s better to use candles instead of light bulbs.
Some developed countries are unwilling to spend money saving the Earth.
Writing
Structure
Para1. What is the problem
Para2. What is the reason for it
Para3. How can you solve it
climate change, sea levels rise,flooding ……
(consequences, condemn)
Industry, vehicles, trees, fuels……
(be pinned on, CO2, a large amount of …)
your solutions:……
Small actions,
________.
The world will be wonderful !