高中英语人教版 (新课标)必修5&选修6Unit 4 Global warming示范课课件ppt

这是一份高中英语人教版 (新课标)必修5&选修6Unit 4 Global warming示范课课件ppt，共19页。PPT课件主要包含了Main Body，Para 1 ，Para 3 ，Para 2 ，Dr Foster，Para 5，graph，example， figure，Para 1-5等内容，欢迎下载使用。

During the 20th century the temperature f the earth rse abut ne degree Fahrenheit. That prbably des nt seem much t yu r me, but it is a rapid increase when cmpared t ther natural changes. S hw has this cme abut and des it matter? Earth Care’s Sphie Armstrng explres these questins.
Intrductin / Editr’s ntes
The earth is becming warmer– But des it matter?
Hw has glbal warming cme abut?
Des it matter?
Para. 1Para. 2Para. 3Para. 4Para. 5Para. 6
The earth is becming warmer.
The carbn dixide in the atmsphere went up.
Glbal warming
Increase f CO2
Relatinship ?
burning f fssil fuels
carbn dixide
glbal warming
(cal, natural gas and il)
greenhuse gases
What is the result f prducing CO2?
What has prduced CO2?
D all scientists agree that it is human activity that has resulted in glbal warming?D all scientists agree that the increase in the earth’s temperature is due t burning f fssil fuels?D all scientists agree n the amunt f carbn dixide measured by Charles Keeling ?D all scientists agree that the temperature increase culd be as lw as 1 t 1.5 degrees ,but it culd be as high as 5 degrees?
There is n dubt
All scientists subscribe t the view
All scientists accept this data.
(Para. 1- 4)
On the ne hand
On the ther hand
catastrphe…it culd be very serius.
Gerge Hambley
a psitive thing…any warming will be mild …
qutatin (引用)
metaphr (比喻)
cntrast (对比)
exaggeratin(夸张)
repetitin (反复)
Hw des the writer make his statements clear?
What is the writer’s attitude ?
Shuld we stp glbal warming? Can we stp glbal warming?
Different Attitudes
Dr. Janice Fster
The earth is becming warmer – But des it matter?
We can ___________ glbal warming We can ___________ glbal warming We can ___________ glbal warming …
It is human activity that really matters.
make use f
Surf the Internet and cllect the infrmatin abut the things we have dne with glbal warming.
“carbn emissin reductin”(减排)Tky Prctl
Hw has the glbal warming cme abut?
Intrductin/ Editr’s ntes
Para. 1 Para. 2Para. 3Para. 4
Hw des the writer supprt his idea? A. graph B. qutatin (引用)C. figureD. example