人教版(2019)选择性必修第三册Unit 3 Environmental protection课件(共22张ppt)

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名称 人教版(2019)选择性必修第三册Unit 3 Environmental protection课件(共22张ppt)
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资源类型 教案
版本资源 人教版(2019)
科目 英语
更新时间 2023-03-14 17:02:03

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(共22张PPT)
Unit 3 Environmental protection
What can you see in the photo What’s happening Where do you think it was taken
What do you know about
glaciers melting on earth
What does this photo make
you think of
How do you feel when you
look at the picture
Earth provides enough to satisfy every man’s needs, but not every man’s greed.
— Mohandas K. Gandhi
What is the difference between “needs” and “greed”
How do you understand the quote
How is it related to the theme of the unit
Unit 3 Environmental protection
Lesson 2 Reading and Thinking
Reading and Thinking
Look and discuss
What environmental issues do you know
Greenhouse effect
温室效应
Forest fire/Wildfire
森林火灾
Air pollution
空气污染
Drought
干旱
Climate change
气候变化
Global warming
全球变暖
What causes the climate change
What are the solutions to stop climate change
View the video.
Look at the graph. What is it about What information can you get from it
What can you see in the photo
What might be the story behind it
The temperature of the global surface rose about 1.2 ℃ from 1920 to 2016. The earth is becoming warmer and warmer.
What effects may be caused by the global warming
Before-writing
skin and bones
瘦得皮包骨
The polar bear (北极熊) may died for lacking food.
1. What's the type of this text
A. Essay 论文 B. Biography 传记
C. Exposition. 说明文 D. Argumentation. 议论文
2. What's its purpose
To inform readers to deal with climate change
To persuade readers to focus on limited resources\
3. In which part of a newspaper or magazine may we find this passage
A. Entertainment B. Economy
C. Education D. Environment
Skimming
Para1. The influences of the rise in temperature.
Para2. The solutions to reducing greenhouse gas emissions.
Para3. An exact example of climate change.
Para4. A problem of climate change.
Para5. The causes of the increase in the global temperature.
Reading for main idea.
problem
example
causes
influences
solutions
Read the text and find out the development of the passage.
problem
example
causes
influences
solutions
Reading for the details.
Reading for the details
(Para1):A problem
What
Evidence
a warming ocean & atmosphere
melting ice
rising sea level
Climate’s is getting warmer and warmer
Climate change
low sea-ice levels
bears could not hunt
had to travel greater distances to find food
starved to death
its dead body found
A polar bear’s dead body was found
Starved to death
Low sea-ice levels
Climate change
The bear could not hunt seals
Had to travel greater distance to find food
Para2.Put the following sentences into the right order.
Reading for the details
What is causing the increase in the global average surface temperature
(Para3): The causes
Greenhouse effect
_________
greenhouse effect
____________
greenhouse effect
Function(作用):
“Natural”
“Man-made”
A big problem:
keeping Earth's climate
warm and habitable
causing Earth’s surface
temperature to rise
quickly
Reading for the details
(para4): The influences结果
What are the consequences of global temperature rise Finish the mind map below.
The rise in temperature
led to
example
results
serious damage,
costing human lives,
economic losses
extreme weather/ natural disasters
extreme rainstorms, heat waves
Governments
Individuals
make policies
take appropriate actions and measures to reduce greenhouse gas emissions
restrict the amount of carbon dioxide our lifestyles produce to reduce our “carbon footprint”
(Para5): The solutions
What will you do to help
Discussion
Discussion
What will you do to help
A small action can make a big difference!
Summary