人教版（2019）选择性必修 第三册Unit 3 Environmental Protection Reading and Thinking 课件(共26张PPT)

(共26张PPT)
Environmental Protection
Look at the graph.
What information can you get from it
What can you see in the photo
The earth is becoming warmer and warmer.
The polar bear (北极熊) was skin and bones and starved to death.
What happened to the earth
drought
flood
global warming
animals dying
fire
Glaciers melting
Learning objectives
By the end of this class, we will be able to
1. know the main idea and the structure of the passage.
2. learn the “greenhouse effect” and create a diagram describing how it works.
3. figure out effective ways to deal with climate change
1. What is the type of this passage
A. Argumentation
B. Narration
C. Exposition
D. Advertisiment
2.According to the title, can you predict what aspects are included in the following essay
Because in the expository text, the authors sometimes use some graphs or diagrams in their essays in order to be more objective and scientific.
Part 1:
(para.1-2 )
Part 2:
(para. 3)
Part 3:
(para. 4)
Part 4:
(para. 5)
D: The evidence of dramatic climate change that had an impact on Earth’s ecology
B: The causes of the increase in the global average surface temperature
A: The results of the rise in temperature
C: The solutions to reducing greenhouse gas emissions
Match the main idea with each part.
Evidence (para.1-2)
1.What evidence of climate change can you find
Evidence 1:
Evidence 2:
Evidence 3:
a warming ocean and atmosphere
melting ice
rising sea levels
climate
change
Evidence 4:
a dead polar bear
2. Can you describe how climate change has influenced the polar bear’s life
Climate change
low sea-ice levels
could not hunt
had to travel greater distances for food
starved to death
Read for details
Causes (para.3)
natural
man-made
Definition
Heat from the sun enters the __________ and warms Earth’s __________ as _________ radiation.
Function
Keeping Earth’s warm and_____________
Definition
People produce huge amounts of_________ greenhouse gases by burning_____________.
A big problem
More ________ energy is trapped in the atmosphere and causes Earth’s surface temperature to ________ quickly.
habitable
extra
fossil fuels
atmosphere
surface
short-wave
heat
rise
Greenhouse Effect
Draw a diagram to show how the “greenhouse effect”works.
The rise in the temperature
extreme weather
& natural disasters
serious damage, costing human lives
extreme rainstorms, heatwaves
lead to
results
examples
What are the consequences of the global temperature rise
Consequences (para. 4)
What are the solutions to reduce greenhouse gas emissions
01
The governments:
02
Individuals:
make policies
take appropriate actions and measures.
reduce our “carbon footprint” by…
educate everyone about global warming
Solutions (para. 5)
Group discussion
As a student, what can we do to reduce our “carbon footprint”
1.Turn off the light, switch, pull the plug if don’t use.
2.Walk or cycle to school.
3.Recycle cans, bottles, plastic bags and so on.
4.Buy things made from recycled materials.
5.Plant more trees.
6.Talk with family and friends about global warming.
......
The ways to live a low-carbon lifestyle
Earth provides enough to satisfy every man’s needs, but not every man’s greed.— Mohandas K. Gandhi
A Community with a Shared Future for Mankind
人类命运共同体
地球能满足人类的需要，
但满足不了人类的贪婪。
1.There is little doubt that earth is getting warmer and warmer.
1.There is no doubt that we have to keep healthy.
2. I don’t doubt that he will become strong soon.
3. There is some doubt whether he will exercise regularly.
4. I doubt whether she will continue to work here.
doubt 前面是肯定时，表示“有疑问”，用________
doubt 前面是否定时，表示“无疑问”，用________
1.We have no doubt_____they will have a balanced diet.
2. I doubt _______ he will help me.
3. I don’t doubt ______ you are honest.
whether
that
whether
that
that
Para 2.
1. be shocked by 2. according to
3. remain 4. appear to do sth
5. claim 6. hunt
7. as before 8. in order to do sth
9. alarming 10. have an impact on sth
Para 3.
1. refer to 2. release……into ……
3. be trapped in 4. cause sb\sth to do sth
2.Greenhouse gases in the atmosphere trap some of the heat,keeping Earth’s climate warm and habitable.
keep +宾语+宾补
keep\make\find +宾语+宾补 (n\adj)
ing形式 作结果状语，表_________的结果。
自然而然
足球运动在那么多国家开展，使得它成为世界上最受欢迎的体育运动。
Football is played in so many countries, __________
___________________________.
making it the
most popular sport in the world.
3.There is strong and comprehensive evidence that the rise in the temperature has led to an increase in extreme weather and natural disasters worldwide .
There is +(adj) + evidence that +完整的句子，
意为：有(……)证据表明……
有很多证据表明压力是造成疾病的原因之一。
_________________________ stress is partly responsible for disease.
There is a lot of evidence that
4. 工厂倒闭时，她和成百上千的其他人一起失去了工作。
She lost job when the factory closed,_____________ __________________________.
along with
hundreds of others\other people
She lost job when the factory closed,_____________ __________________________.
She along with her parents ______(like) singing.
likes