选修六英语unit4课件

B: We shall do
nothing about global warming.
Dr. Janice Foster PK George Hambley
Dr. Janice Foster Carbon dioxide has caused the global temperature to go up __________. The trend which increases 5 degrees would be a catastrophe ____________ and could be very serious ______________. George Hambley More carbon dioxide is positive a __________ thing, which makes crops produce more ______________ and will encourage
Structure Body
引言 主体
II
Introduction
Para. 1
I
Conclusion
结论
IV
Para. 2-5
Para. 7
III
Para. 6
Main idea of each part
Part 1
A. How global warming comes about. B. Introduce a debate over the
guess what’s the topic of the passage?
1.What happened to the animals?
They killed themselves.
2.What has caused the proLeabharlann Baidulems?
Gloabal warming .
3.what’s the topic of the passage?
1.What is the graph about? Graph 2 shows the ________________content carbon dioxide
in the atmosphere from 1957 to 1997.
Part.II (2-5)
How global warming comes about.
range a greater ______of animals
Summary
This passage aims at showing us how global warming____________. __________________ comes about Human activity has caused this global warming. It also introduces two different _________of scientists towards the attitudes increase of temperature. Dr. Janice Foster thinks negative that it is a _________(消极的）thing. Dr. Hambley thinks positive that it is a _______thing. However, no one knows the exact effects of global warming.
A. The burning of more and more fossil fuels.
B. The natural phenomenon.
1.What is the graph about?
Graph I shows the temperature ____________increase of one degree Fahrenheit between 1860 to 2000.
Assignment
• Read the passage again and review the new words and expressions. • Prepare the debate in groups.
Sophie Armstrong.
2.What is the name of the magazine?
The name is Earth Care.
Part.II (2-5)
How global warming comes about.
1.Everyone believes that global warming is caused by the_______________. human activities 2. _____has caused the increase in carbon dioxide.
The rise in carbon dioxide is causing a steady increase in temperature.
more CO2
byproduct
burning fossil fuels
more heat trapped
Global Warming
result in
Part.III (6)
Part 4
D. List two different attitudes among
scientists towards global warming.
(7)
Part.I (1)
Introduce a debate over the issue of global warming.
Answer the questions. 1.Who wrote the magazine article?
issue of global warming.
(1)
Part 2
(2-5)
Part 3
C. It’s up to readers to think and
decide whether people should do something about global warming or not.
(6)
interview
Dr Janice Foster
George Hambley
Part4 (7)
Does that mean we should do nothing? Or , are the risks too great?
Debate
A : We shall do
something about global warming.
The Earth is Becoming Warmer --- But Does It Matter?
Listen to the passage
Pay attention to the structure of the passage. How to divide the passage into four par
List two different attitudes among
scientists towards global warming.
Read Para.6 and finish the dialogue on the paper in your hands. Then we will do an interview, I will be a repoter and two of you will be Dr Foster and George Hambley
THE EARTH IS BECOMING WARMER-----BUT DOES IT MATTER?
1.What happened to the animals? 2.What has caused the problems?
3. With the help of the video and the title,