Unit 3 Environmental Protection Reading and Thinking 课件(共44张PPT，内镶嵌视频)人教版(2019)选择性必修第三册
文档属性
| 名称 | Unit 3 Environmental Protection Reading and Thinking 课件(共44张PPT，内镶嵌视频)人教版(2019)选择性必修第三册 |
|
|
| 格式 | pptx | ||
| 文件大小 | 59.9MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 人教版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2025-09-30 00:00:00 | ||
图片预览
文档简介
(共44张PPT)
UNIT 3
Environmental Protection
1. What can you see in the picture
2.What is the cause of this phenomenon
Lead-in
A large piece of ice is breaking off a large glacier or ice sheet.
Global warming
Think and talk
What other consequences may global warming bring about
Think and talk
What other consequences may global warming bring about
the rise of
sea level
dying
animals
coastal cities submerged（淹没）
Think and talk
What other consequences may global warming bring about
natural disasters
extreme weather
economic losses
drought
Earth provides enough to satisfy every man’s needs, but not every man’s greed.
— Mohandas K. Gandhi
地球能满足人类的需要，但满足不了人类的贪婪。
P25
1. What happened to the polar bear
2. What is the graph about
3. What information can you get from it
The polar bear may died for lacking food.
CLIMATE CHANGE REQUIRES
THE WORLD’S ATTENTION
P26
shows how much the temperature has risen above what it would usually be at a base level.
Temperature Anomaly（气温反常现象）
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
Fast-reading
Read for structure -Expository Essay
Find out the topic sentence of each paragraph. （5min）
problem
cause
consequence
solutions
problem
cause
consequence
Find out the topic sentence of each paragraph. （5min）
solutions
cause
consequence
Para 1
Para 2
The evidence of dramatic climate change that had an impact on Earth’s ecology
瘦骨嶙峋
problem
Find out the topic sentence of each paragraph. （5min）
solutions
consequence
problem
Para 3
The cause of the increase in the global average surface temperature
cause
Find out the topic sentence of each paragraph. （5min）
cause
problem
Para 4
Para 5
The consequences of the rise in temperature
The solutions to reducing greenhouse gas emissions
solutions
consequence
problem-solution pattern
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
starvation
longer
food-seeking travel
lack of food
low sea-ice level
The following reasons account for the death of the polar bear, with one influencing another. Read paragraph 2 and put them in a correct logical order.
What is the root cause
Para 2： Cause and effect
lead to； cause; account for
2.Why is the “natural” greenhouse effect important and necessary
3.What are the consequences of high greenhouse gas emissions
(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
Read paragraph 3 and create a diagram describing how the greenhouse effect works.(P27 E3)
Heat released back into space
Heat reflected back to Earth’s surface
Reflected sunlight
Atmosphere
Sunlight
A diagram describing how the greenhouse effect works
Para 4 consequence
Q1. What are the consequences of the global temperature rise
Q2. Why did the author mention the climate scientists’ warning
The rise in the temperature
extreme weather & natural disasters
serious damage, costing human lives
extreme rainstorms, heatwaves
led to
results
examples
Because global warming needs everyone’s attention and it is essential that we take appropriate actions.
What examples of extreme weather and disasters do you know Make a list of them.
Tsunami(海啸）, floods（洪水）, landslides（滑坡）, sandstorms（沙尘暴）, thunderstorms（雷雨）, earthquakes, hail（冰雹）, heatwaves（热浪）, cold waves（寒潮）, typhoons（台风）, tornados(龙卷风).
Discussion
Para 5 solutions
Climate change
Evidence
Solutions
Causes
Consequences
government
individuals
extreme weather
natural disasters
Greenhouse effect
natural greenhouse effect
man-made greenhouse effect
Greenhouse effect
Group work
Can you draw a mind map
Group discussion
As a student, what can we do to deal with climate change in our daily life
Turn off the lights and fans when leaving
Plant more trees
Take the stairs instead of elevator
Use basket or environmental basket bag instead of plastic bag
Go outdoors by bike instead of by car/bus
1. Lucid waters and lush mountains are valuable as "mountains of gold and silver".
青山就是金山银山。
2. If we don't save water, the last drop of water will be our tear.
如果我们不节约用水，那么最后一滴水将会是我们的眼泪。
3. Only by changing the way we treat the environment can we get along well with it. Only by saving the environment can we save ourselves.
我们只有政变对待环境的方式，才能和它好好相处。我们只有拯救环境，才能拯救自己。
More English idioms
1 melting ice
2 provide evidence of
3 a dramatic change
4 skin and bones
5 trap the heat
6 sustain life
7 huge amounts of
正在融化的冰
为……提供依据/证据
急剧变化
吸收热量
皮包骨
大量的
维系生命
Important phrases (P26 ~ P27)
8 fossil fuels
9 pay a high price
10 long-lasting changes
11 make policies
12 seize the opportunity
13 map out
14 cause and effect
化石燃料
付出巨大的代价
持久的变化
抓住机会
制定政策
规划；安排
因果
Important phrases (P26 ~ P27)
句式分析
同位语从句：大多由从属连词_____引导,常常跟在order, report, wish, decision, suggestion, belief, doubt, fact, hope, message, news等抽象名词的____，一般用来解释或说明这些名词的具体含义或内容。
1. There is little doubt ______ Earth is getting warmer and warmer.
(P26)
2. The “natural” greenhouse effect refers to the fact _____ heat from
the sun enters the atmosphere and warms Earth’s surface as short-
wave radiation. (P26 ~ P27)
that
后面
that
that
“天然”温室效应指的是来自太阳的热量以短波辐射的形式进入大气层，使地表变暖。
毫无疑问，地球正变得越来越温暖。
Important sentences (P26 ~ P27)
They expressed the hope _______ they would come over to China soon.
Word has come _______ some American guests will come to our college for a visit next week.
He can’t answer the question _______ he got the money from his home yesterday.
Do you have any idea _______ is actually going on in the classroom
The problem ________ we should have the meeting in the hall now must be decided at once.
即学即用
that
that
how
what
whether
Important sentences (P26 ~ P27)
along with 连接前后两个主语时，谓语动词应和________那个主语保持一致，即“就远原则”。
句式分析
A warming ocean and atmosphere along with melting ice and rising sea levels provide evidence of a dramatic change in the global climate. (P26)
前面的
海洋和大气变暖，以及冰层融化、海平面上升，都为全球气候急剧变化提供了依据。
Important sentences (P26)
A library with five thousand books _________ (offer) to the nation as a gift.
All but one _____ (be) here just now.
WeChat, as well as Ding Talk, __________ (play) an important part in daily communication nowadays.
即学即用
is offered
were
is playing
Important sentences (P26 ~ P27)
v-ing 短语在句子中作__________。
句式分析
结果状语
3. Greenhouse gases in the atmosphere, such as methane and carbon dioxide, trap some of the heat, keeping Earth’s climate warm and habitable. (P27)
大气层中甲烷、二氧化碳等温室气体吸收了部分热量，从而使地球保持气候温暖、适宜居住。(P27)
Important sentences (P27)
即学即用
___________ (consider) the reasons mentioned above, we should take effective measures to protect our environment.
The leader stayed up all night, _________ (think) of what to do the next day.
____________________ (not receive) her reply, he decided to send another e-mail to her.
Considering
thinking
Not having received
Important sentences (P27)
[构词法]“-wide”表示 “……范围内的（地）”
statewide _________________
countrywide _______________
industrywide _______________
拓展
4. There is strong and comprehensive evidence _____ the rise in temperature has led ___ an increase in extreme weather and natural disasters worldwide, not only causing serious damage, but also _______ (cost) human lives. (P27)
that
to
costing
全行业的
全州范围内的（地）
全国性的
确凿、全面的证据表明，温度上升导致全球极端天气和自然灾害增多，不仅造成严重破坏，而且使人丧命。
Important sentences (P27)
restrict (v.) 限制，限定（数量、范围等）
5. We as individuals can also reduce our “carbon footprint” by restricting the amount of carbon dioxide our lifestyles produce. (P27)
作为个人，我们可以通过限制生活方式产生的二氧化碳量来减少我们的“碳足迹”。
restrict the number of students per class to 10
将每个班的学生人数限定为10人
Access to the club is restricted to members only.
俱乐部仅对会员开放。
I restricted myself to drinking（drink） one cup of milky tea a day.
我控制自己每天只喝一杯奶茶。
Important sentences (P27)
拓展运用
The earliest studies have suggested a link between calorie __________ (restrict) and slowing aging.
We make no restrictions ______ the kinds of films we show — as long as a film’s quality meets our standards.
Don’t restrict yourself to _________ (make) friends — it will help increase your knowledge.
restriction
on
making
Important sentences (P27)
UNIT 3
Environmental Protection
1. What can you see in the picture
2.What is the cause of this phenomenon
Lead-in
A large piece of ice is breaking off a large glacier or ice sheet.
Global warming
Think and talk
What other consequences may global warming bring about
Think and talk
What other consequences may global warming bring about
the rise of
sea level
dying
animals
coastal cities submerged（淹没）
Think and talk
What other consequences may global warming bring about
natural disasters
extreme weather
economic losses
drought
Earth provides enough to satisfy every man’s needs, but not every man’s greed.
— Mohandas K. Gandhi
地球能满足人类的需要，但满足不了人类的贪婪。
P25
1. What happened to the polar bear
2. What is the graph about
3. What information can you get from it
The polar bear may died for lacking food.
CLIMATE CHANGE REQUIRES
THE WORLD’S ATTENTION
P26
shows how much the temperature has risen above what it would usually be at a base level.
Temperature Anomaly（气温反常现象）
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
Fast-reading
Read for structure -Expository Essay
Find out the topic sentence of each paragraph. （5min）
problem
cause
consequence
solutions
problem
cause
consequence
Find out the topic sentence of each paragraph. （5min）
solutions
cause
consequence
Para 1
Para 2
The evidence of dramatic climate change that had an impact on Earth’s ecology
瘦骨嶙峋
problem
Find out the topic sentence of each paragraph. （5min）
solutions
consequence
problem
Para 3
The cause of the increase in the global average surface temperature
cause
Find out the topic sentence of each paragraph. （5min）
cause
problem
Para 4
Para 5
The consequences of the rise in temperature
The solutions to reducing greenhouse gas emissions
solutions
consequence
problem-solution pattern
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
starvation
longer
food-seeking travel
lack of food
low sea-ice level
The following reasons account for the death of the polar bear, with one influencing another. Read paragraph 2 and put them in a correct logical order.
What is the root cause
Para 2： Cause and effect
lead to； cause; account for
2.Why is the “natural” greenhouse effect important and necessary
3.What are the consequences of high greenhouse gas emissions
(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
Read paragraph 3 and create a diagram describing how the greenhouse effect works.(P27 E3)
Heat released back into space
Heat reflected back to Earth’s surface
Reflected sunlight
Atmosphere
Sunlight
A diagram describing how the greenhouse effect works
Para 4 consequence
Q1. What are the consequences of the global temperature rise
Q2. Why did the author mention the climate scientists’ warning
The rise in the temperature
extreme weather & natural disasters
serious damage, costing human lives
extreme rainstorms, heatwaves
led to
results
examples
Because global warming needs everyone’s attention and it is essential that we take appropriate actions.
What examples of extreme weather and disasters do you know Make a list of them.
Tsunami(海啸）, floods（洪水）, landslides（滑坡）, sandstorms（沙尘暴）, thunderstorms（雷雨）, earthquakes, hail（冰雹）, heatwaves（热浪）, cold waves（寒潮）, typhoons（台风）, tornados(龙卷风).
Discussion
Para 5 solutions
Climate change
Evidence
Solutions
Causes
Consequences
government
individuals
extreme weather
natural disasters
Greenhouse effect
natural greenhouse effect
man-made greenhouse effect
Greenhouse effect
Group work
Can you draw a mind map
Group discussion
As a student, what can we do to deal with climate change in our daily life
Turn off the lights and fans when leaving
Plant more trees
Take the stairs instead of elevator
Use basket or environmental basket bag instead of plastic bag
Go outdoors by bike instead of by car/bus
1. Lucid waters and lush mountains are valuable as "mountains of gold and silver".
青山就是金山银山。
2. If we don't save water, the last drop of water will be our tear.
如果我们不节约用水，那么最后一滴水将会是我们的眼泪。
3. Only by changing the way we treat the environment can we get along well with it. Only by saving the environment can we save ourselves.
我们只有政变对待环境的方式，才能和它好好相处。我们只有拯救环境，才能拯救自己。
More English idioms
1 melting ice
2 provide evidence of
3 a dramatic change
4 skin and bones
5 trap the heat
6 sustain life
7 huge amounts of
正在融化的冰
为……提供依据/证据
急剧变化
吸收热量
皮包骨
大量的
维系生命
Important phrases (P26 ~ P27)
8 fossil fuels
9 pay a high price
10 long-lasting changes
11 make policies
12 seize the opportunity
13 map out
14 cause and effect
化石燃料
付出巨大的代价
持久的变化
抓住机会
制定政策
规划；安排
因果
Important phrases (P26 ~ P27)
句式分析
同位语从句：大多由从属连词_____引导,常常跟在order, report, wish, decision, suggestion, belief, doubt, fact, hope, message, news等抽象名词的____，一般用来解释或说明这些名词的具体含义或内容。
1. There is little doubt ______ Earth is getting warmer and warmer.
(P26)
2. The “natural” greenhouse effect refers to the fact _____ heat from
the sun enters the atmosphere and warms Earth’s surface as short-
wave radiation. (P26 ~ P27)
that
后面
that
that
“天然”温室效应指的是来自太阳的热量以短波辐射的形式进入大气层，使地表变暖。
毫无疑问，地球正变得越来越温暖。
Important sentences (P26 ~ P27)
They expressed the hope _______ they would come over to China soon.
Word has come _______ some American guests will come to our college for a visit next week.
He can’t answer the question _______ he got the money from his home yesterday.
Do you have any idea _______ is actually going on in the classroom
The problem ________ we should have the meeting in the hall now must be decided at once.
即学即用
that
that
how
what
whether
Important sentences (P26 ~ P27)
along with 连接前后两个主语时，谓语动词应和________那个主语保持一致，即“就远原则”。
句式分析
A warming ocean and atmosphere along with melting ice and rising sea levels provide evidence of a dramatic change in the global climate. (P26)
前面的
海洋和大气变暖，以及冰层融化、海平面上升，都为全球气候急剧变化提供了依据。
Important sentences (P26)
A library with five thousand books _________ (offer) to the nation as a gift.
All but one _____ (be) here just now.
WeChat, as well as Ding Talk, __________ (play) an important part in daily communication nowadays.
即学即用
is offered
were
is playing
Important sentences (P26 ~ P27)
v-ing 短语在句子中作__________。
句式分析
结果状语
3. Greenhouse gases in the atmosphere, such as methane and carbon dioxide, trap some of the heat, keeping Earth’s climate warm and habitable. (P27)
大气层中甲烷、二氧化碳等温室气体吸收了部分热量，从而使地球保持气候温暖、适宜居住。(P27)
Important sentences (P27)
即学即用
___________ (consider) the reasons mentioned above, we should take effective measures to protect our environment.
The leader stayed up all night, _________ (think) of what to do the next day.
____________________ (not receive) her reply, he decided to send another e-mail to her.
Considering
thinking
Not having received
Important sentences (P27)
[构词法]“-wide”表示 “……范围内的（地）”
statewide _________________
countrywide _______________
industrywide _______________
拓展
4. There is strong and comprehensive evidence _____ the rise in temperature has led ___ an increase in extreme weather and natural disasters worldwide, not only causing serious damage, but also _______ (cost) human lives. (P27)
that
to
costing
全行业的
全州范围内的（地）
全国性的
确凿、全面的证据表明，温度上升导致全球极端天气和自然灾害增多，不仅造成严重破坏，而且使人丧命。
Important sentences (P27)
restrict (v.) 限制，限定（数量、范围等）
5. We as individuals can also reduce our “carbon footprint” by restricting the amount of carbon dioxide our lifestyles produce. (P27)
作为个人，我们可以通过限制生活方式产生的二氧化碳量来减少我们的“碳足迹”。
restrict the number of students per class to 10
将每个班的学生人数限定为10人
Access to the club is restricted to members only.
俱乐部仅对会员开放。
I restricted myself to drinking（drink） one cup of milky tea a day.
我控制自己每天只喝一杯奶茶。
Important sentences (P27)
拓展运用
The earliest studies have suggested a link between calorie __________ (restrict) and slowing aging.
We make no restrictions ______ the kinds of films we show — as long as a film’s quality meets our standards.
Don’t restrict yourself to _________ (make) friends — it will help increase your knowledge.
restriction
on
making
Important sentences (P27)