资源简介

(共21张PPT)
UNIT 3
Environmental Protection
Reading and thinking
graph n.图表
emission n. 排放物
starve v. 挨饿；饿死
seal n. 海豹；v.密封
ecology n. 生态；生态学
release n&v. 释放；排放；发布
methane n. 甲烷；沼气
carbon n. 碳
dioxide n.二氧化物
carbon dioxide 二氧化碳
habitable adj. 适合居住的
sustain v. 维持；遭受；承受
sustainable adj. 可持续的；合理利用的
fossil n. 化石
fuel n. 燃料；刺激性言行
fossil fuel 化石燃料
comprehensive adj. 全部的；所有的；详尽的
worldwide adj&adv.世界各地的；遍及全世界地
trend n. 趋势；趋向
frequently adv. 频繁地
broadcast v. 广播；n. 广播节目
policy n. 政策；方针；原则
footprint n. 足迹；面积
restrict v. 限制；限定
restriction n. 限制规定；约束
seize v. 抓住；夺取
To discuss climate change
To learn to identify the style of this text and infer the writer’s purpose
To learn to draw a diagram
To think about how we can do to deal with climate change
Lead-in
1. What can you see in the picture
2.What is the cause of this phenomenon
A large piece of ice is breaking off a large glacier or ice sheet.
Global warming
The rising temperature of the Earth is the primary reason glaciers have started to melt more, and this climate change can be directly tied back to human activity.
What other consequences may global warming bring about
Global warming
melting ice
drought
flood
dying animals
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。
1. What’s the type of this text
A. News report.新闻报道
B. Biography.传记
C. Expository essay.说明文
D. Argumentation.议论文
2. In which part of a newspaper may we find this passage
A. Entertainment 娱乐节目
B. Economy 经济
C. Education 教育
D. Environment 生态环境
Read for the type
3. Match the main idea with each part.
Part 1:
(para.1-2 )
Part 2:
(para. 3)
Part 3:
(para. 4)
Part 4:
(para. 5)
The evidence(证据) of dramatic climate change that had an impact on Earth’s ecology
The causes(原因) of the increase in the global average surface temperature
The consequences(结果) of the rise in temperature
The solutions(解决方法) to reducing greenhouse gas emissions
4. Glance at the title, the graph and the picture and then answer the following questions.
1. What do you guess made the polar bear dead
2. What do you think we should do to help solve the problem
Earth becomes warmer, and ice melts, making it hard for it to find enough food to eat.
We should reduce greenhouse gas emissions.
5. Read the third paragraph carefully and fill in the table.
Green-house effect (1)_________ greenhouse effect Referring to heat from the sun warming Earth’s surface as (2)___________ radiation and released back at (3)_______ wave lengths Making Earth (4)__________ life
(5)___________ greenhouse effect Burning (6)_____________ Causing Earth’s surface temperature (7)_________ quickly
Natural
short-wave
longer
sustain
Man-made
fossil fuels
to rise
6. Read the fourth paragraph carefully and answer the questions.
1. What are the consequences of the global temperature rise
2. Why did the author mention the climate scientists’ warning
The rise in the temperature
led to
results
examples
Because global warming needs everyone’s attention and it is essential that we take appropriate actions.
extreme weather & natural disasters
serious damage, costing human lives
extreme rainstorms, heatwaves
7. What are the solutions to the environmental problems
P5 Continued greenhouse gas emissions will result in further warming and long-lasting changes to the global climate. This requires the attention of people all over the world. Governments need to consider making policies and taking appropriate actions and measures to reduce greenhouse gas emissions. We as individuals can also reduce our “carbon footprint” by restricting the amount of carbon dioxide our lifestyles produce. It is our responsibility to seize every opportunity to educate everyone about global warming, along with its causes and impacts, because this is the most serious issue affecting all of us on this planet. So what will you do to help
solutions
governments
individuals
make policies
take appropriate actions and measures
reduce our “carbon footprint”
educate everyone about global warming
Consolidation
Read the text again and choose the best answers.
1. Why was the polar bear found on the island of Svalbard “skin and bones”
A. Most of it was eaten by seals.
B. The climate was hot, drying it to be skin and bones.
C. It appeared to have starved to death.
D. Earth’s ecology was worse and worse.
Consolidation
Read the text again and choose the best answers.
3. Who has the responsibility to help reduce global warming
A. Governments.　　　 B. No one.
C. Individuals. D. Both A and C.
2. How do we know there is evidence that the rise in temperature has led to increasing damage
A. We can see it everywhere every day.
B. It is frequently broadcast in news reports.
C. Polar bears died.
D. Not mentioned in the text.
Climate change
Evidence
Causes
Greenhouse effect
natural greenhouse effect
man-made greenhouse effect
Consequences
extreme weather
natural disasters
Solutions
government
individuals
Summary
a warming ocean and atmosphere
melting ice
rising sea levels
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
Go outdoors by bike instead
of by car/bus
More English idioms
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。
Important Phrases
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
皮包骨
维系生命
吸收热量
大量的
Important Phrases
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
制定政策
抓住机会
规划；安排
因果
Thank You

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