人教版(2019)选择性必修 第三册Unit 3 Environmental Pretection Reading and Thinking公开课 课件(共24张PPT)

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名称 人教版(2019)选择性必修 第三册Unit 3 Environmental Pretection Reading and Thinking公开课 课件(共24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 2025-03-06 16:20:38

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(共24张PPT)
Unit 3 Environmental Protection
Reading and Thinking
新人教选择性必修三
Look at the graph below. What is it about
Why
The Global Warming.
The earth is becoming warmer and warmer.
What other consequences may global warming bring about
unpredictable future of human
natural disasters
extreme weather
animals dying
economic losses
coastal cities submerged
Climate Change Requires The World’s Attention
Activity 1:Reading for the text type
What kind of reading passage is it How do you know
Because in the expository text, the authors sometimes use some graphs or diagrams in their essays in order to convince their readers. These graphs and diagrams often come from scientific research reports and other reliable resources.
C. Description
A. Narration
B. Exposition
Activity 1: Reading for the text type
In which part of a newspaper or magazine may we find this passage
A. Entertainment
B. Economy
C. Education
D. Environment
Activity 2:Reading for the main idea.
Pay attention to the first/last sentence of each paragraph.
Supporters Say
2023/09/08
Part 1:
(para.1-2 )
Part 2:
(para. 3)
Part 3:
(para. 4)
Part 4:
(para. 5)
The evidence of dramatic climate change that had an impact on Earth’s ecology
The causes of the increase in the global average surface temperature
The consequences of the rise in temperature
The solutions to reducing greenhouse gas emissions
2 mins
The development of expository writing.
evidence
causes
influences
solutions
Activity 3:Reading for the details.
Para 1
Para 2
Evidence
Activity 3: Reading for the details.
2 mins
1. Which of the following is not a proof of a dramatic change in the global climate
A.A warming ocean and atmosphere. B.Melting ice.
C.Rising sea levels. D.A large population.
2.What does the case of the polar bear show
A.Food shortage becomes a major threat to creatures.
B.Human activities affect the survival of polar bears.
C.The increase in temperature has an effect on Earth’s ecology.
D.The hunting behaviour of mankind leads to the sharp decrease of animals.
climate change
starvation
longer
food-seeking travel
lack of food
low sea-ice levels
The following reasons account for the death of the polar bear, with one influencing another. Put them in a correct logical order.
What is the root cause
2 mins
Activity 3: Reading for the details.
Activity 3:Reading for the details.
Why earth’s temperature is rising
Para 3
Cause
Function:
Keeping Earth’s climate warm and habitable.
A big problem:
Causing Earth’s surface temperature to rise quickly if too much heat energy is trapped.
greenhouse effect
greenhouse effect
effect
Greenhouse
Natural
Man-made
2 mins
Atmosphere
Finish a diagram to show how the greenhouse effect works
Diagram
Diagrams are very useful tools that can be used to brainstorm ideas, map out processes, show cause and effect relationships, explain a new idea or concept, and so on.
Atmosphere
Heat released
back into space
Heat enters
the atmosphere
Heat reflected back
to earth’ surface
Reflected
sunlight
Finish a diagram to show how the greenhouse effect works
Activity 3:Reading for the details.
What are the consequences of global temperature rise
Para 4
Consequences
The rise in temperature
leads to
extreme weather
natural disasters
example
results
extreme rainstorms heat waves
serious damage
costing human lives economic losses
2 mins
Activity 3:Reading for the details.
Para 5
Solutions
Activity 3:Reading for the details.
1 min
What can we infer from the last paragraph
A. It is impossible to control carbon dioxide emissions.
B. Greenhouse gas emissions are the most serious problem now.
C. Our planet will not be habitable for humans to live on.
D. Government and individuals should work together to protect the earth.
Activity 4:Group Work
3 mins
What can we do to reduce “carbon footprint”
Sort the garbage
Abate the use of plastic bags
Value our own role
End wasting resources
Encourage others to participate in it
Alter our lifestyle
Ride a bike or walk to school
Turn off all electric devices when not in use
Help inform those around the danger of global warming…
What can we do
Climate change
Evidence
Solutions
Causes
Effects
government
individuals
extreme weather
natural disasters
Greenhouse effect
natural greenhouse effect
man-made greenhouse effect
Activity 5:Summary
A better understanding of climate change
Homework:
Compulsory:
Summarize the whole passage by drawing a detailed mind map and figure out what writing techniques the author uses in the passage.
Optional:
Make a poster about how we can do to balance our needs and sustainable nature.
Earth provides enough to satisfy every man’s needs, but not every man’s greed.
— Mohandas K. Gandhi
Thank you.
新人教选择性必修三