人教版（2019）选择性必修 第三册Unit 3 Environmental Protection Reading and Thinking课件(共30张PPT，内镶嵌视频和音频)

(共30张PPT)
Unit3 Environmental Protection
comprehensive
melt
sustain
emission
release
habitable
Words revision
1. What did you see in the video
2. What’s the most important reason of them
Reading and thinking
Climate Change Requires The World’s Attention
1. What type of writing is this passage
Argumentative writing B. Narrative writing
C. Expository writing D. Advertising writing
C
2. In which part of a newspaper or magazine may we find this passage
Entertainment B. Economy
C. Education D. Environment
D
本文是一篇说明文。说明文是客观说明事物的一种文体，以解说或介绍事物的形状、性质、成因、构造、功用、类别等为主要内容。说明文主要通过对客观事物或事理的介绍说明，达到以知识教人的目的，因此说明文以客观、准确为基本要求，强调科学性和客观性。
Read for main idea ＆ text type
Task 1
Read for main idea ＆ text type
Task 2 match the main idea with each part:
Part 1
(para.1-2 )
Part 2
(para. 3)
Part 3
(para. 4)
Part 4
(para. 5)
D. The evidence of dramatic climate change
B. The causes of global warming
A. The effects of the rise in temperature
C. The solutions to reducing greenhouse gas emissions
Part 1: evidence/phenomenon
example
Part 2: causes
Part 3: consequences/influnces
Part 4: solutions
The development of the passage.
problem
example
reasons
influences
solutions
phenomenon
cause
effect
solution
[ k sp z t r ]
Expository writing
本文按照“现象—原因—危害—措施”的逻辑顺序展开，环环相扣，步步深入。标题Climate Change Requires the World’s Attention点明了作者的诉求：气候变化对地球生态系统的影响是巨大的，需要全人类共同关注和面对。文本以现在时态和将来时态为主，强调文章的现实意义及对将来不利后果的预测。
Climate change
Penomenon
Solutions
Causes
Effects
Scan: mind map(homework checking)
Task 3
Evidence1:_______
Evidence2:_______
Evidence3:_______
problem
example_______
natural greenhouse effect
____________________
extreme weather
_____________
government: _________
__________: _______
function:____
problem:____
result:_______
(para1-2)
(para3)
(para4)
(para5)
作业展示
Climate change
Penomenon
Solutions
Causes
Effects
Scan and finish the mind map
Task 2
Evidence1:_______
Evidence2:_______
Evidence3:_______
problem
example_______
natural greenhouse effect
_______________
extreme weather
_____________
government: _________
__________: _______
function:____
problem:____
result:
______________
a warming ocean and atmosphere
melting ice
rsing sea levels
a dead polar bear
man-made greenhouse effect
natural disasters
individuals
keeping Earth’s warm and habitable
Causing Earth’s surface temperature to rise quickly.
serious damage, costing human lives, economic losses
make policies and take appropriate actions and measures.
reduce our “carbon footprint”
(para1-2)
(para3)
(para4)
(para5)
(1)According to Paragraph 2, what causes the death of the polar bear
A.The attack of its enemy.
B.Some disease.
C.Lack of food.
D.Human’s hunting.
(2)Why do we need proper amount of “natural” greenhouse gases
A.To cause global warming.
B.To produce water vapour.
C.To trap heat from the sun.
D.To make plants grow better.
C
C
Reading comprehension
Task 4
(3)Which of the following is TRUE according to the passage
A.The “man-made” greenhouse gases can be produced by burning fossil fuels.
B.The global warming is a random rather than natural phenomenon.
C.The temperature in the last century increased by as high as 5 degrees.
D.Fewer greenhouse gases will gather in the atmosphere.
(4)Which of the following is NOT the bad effect of global warming according to the passage
A.Plants grow better.
B.Sea level may rise.
C.Some species may die out.
D.Some catastrophes may appear.
A
A
(5)The author probably agrees that _________.
A.actually global warming is good for man
B.we should do nothing about the global warming
C.catastrophes will not happen if the globe keeps on warming
D.governments need to take appropriate measures to reduce greenhouse gas emissions
D
(6)Why did the author mention the climate scientists 'warning
A. To stress the importance of the news report.
B.To provide evidence of rising temperature.
C.To call on people to take actions to stop the warming trend.
D.To show people climate change in details.
C
Read for thinking
To reduce our “carbon footprint”
To educate everyone around us
Post reading for critical thinking and talking
As a student, what can we do to protect the environment in our daily life
Task4
plant more trees
Take the stairs instead of elevator
Don't litter
Go to school by bike instead of by car/bus
Turn off the lights when leaving
Use handkerchief instead of facial tissue
Use basket or environmental basket bag instead of plastic bag
every small step will make a difference.
Earth provides enough to satisfy every man’s needs, but not every man’s greed.
— Mohandas K. Gandhi
地球能满足每个人的需要，但不能满足每个人的贪婪。
we should cherish what we have and do whatever we can to make the world a better place, leaving the green mountains and blue waters for our offsprings.
1. Surf the Internet and find 3-4 reasons why people burn fossil fuels.
2. Read Paragraph 3 again and create your own diagram to describe how the greenhouse effect works.
3. Finish part of the students’ worksheet. .
Homework
Thank you!
Scan Para. 1-2 to finish the following chart
Task 3 Penomenon (para 1-2)
1. a warming ocean and atmosphere
2. melting ice
3. rising sea levels
4.a dead polar bear
Evidence
Example
Greenhouse effect
5. . greenhouse effect
6. . greenhouse effect
Scan Para.3 to finish the following chart
Task 4 Causes (para 3)
natural
man-made
Keeping Earth’s warm and habitable
Causing Earth’s surface temperature to rise quickly.
Para 4: The influences of the rise in temperature
The rise in temperature
led to
extreme
weather/
natural
disasters
result
extreme rainstorms, heat waves
serious damage, costing human lives, economic losses
Para 5: The solutions to the environmental problems.
01
02
The governments: make policies and take appropriate actions and measures.
Individuals: reduce our “carbon footprint”