Unit 3 Environmental Protection Reading and Thinking课件(共22张PPT 内嵌视频) 人教版(2019)选择性必修 第三册

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Unit 3 Environmental Protection Reading and Thinking课件(共22张PPT 内嵌视频) 人教版(2019)选择性必修 第三册

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(共22张PPT)
Reading and thinking
U3
Environmental Protection
Earth provides enough to satisfy every man’s needs, but not every man’s greed.
— Mohandas K. Gandhi
地球所提供的物质财富足以满足每个人的需求,却不足以满足每个人的贪欲。
1. What can you see in the picture
2.What is the cause of this phenomenon
A large piece of ice breaking off a large glacier or ice sheet.
Global warming
Quick Reading
1.根据首字母或者汉语意思完成句子.
1. Many ________ (改革) must be made to the education system.
2. If you _________(抓住) something, you take hold of it quickly, firmly, and forcefully.
3. He has displayed remarkable courage in his efforts to ________ (改革) the company.
4. Last week, Cfius issued its _______ (年度的) report for actions in 2014.
5. A shuttle bus runs __________(频繁地) between the inn and the country club.
6. Millions of people in this area ______ (挨饿) to death after a big earthquake.
The document film ______________ (发布;排放) next week aims at introducing local
cultures to the world.
Tiger witnesses the efforts of the Chinese people in the _____________(和谐的
coexistence of man and nature.
9. If we need to give negative feedback, we should do it in a less direct manner, especially to those who are shy or ________ (敏感的).
reforms
seize
reform
annual
frequently
starved
to be released
harmonious
sensitive
Quick Reading
1.根据首字母或者汉语意思完成句子.
10. Coal and gas are traditional ________(燃料), but they bring lots of side effects too.
11. It is universally acknowledged that it is illegal to_________(限制) people’s freedom.
12. The concert will be ________ (播出)live.
pleted projects must be __________ (呈递,提交) by10 May.
14. This __________(企业) is now developing steadily and should soon get profits.
15. I couldn’t understand why all I got was_________________(垃圾).
fuels
restrict
broadcast
submitted
enterprise
garbage/rubbish
Before you read, discuss these questions in pairs.
What do you know from the footage
What contributes to the extinction of the polar bears
Prep for Reading
stark 【严峻的】a future tipping point 【未来的临界点】
fatten up 【长肥】a fasting season 【斋戒季节】be at stake 【处于危险中】 trajectory 【抛物线;弹道】halt 【阻止】 play out 【显现】
Intensive Reading: Read for details
Para1
What is not the evidence of a dramatic change in the global climate
A. a warming ocean B. a polar bear
C. melting ice D. rising sea level
comprehending:
read Para.1 and find
Intensive Reading: Read for details
Para1
language
Global warming
What consequencess may global warming bring about?
What do you know about global warming
Quick Reading
1.Skim the title and the passage quickly.
4. Why is the “natural” greenhouse effect important and necessary
A. Because it is short-wave radiation. B. Because it is long-wave radiation.
C. Because it releases more heat. D. Because it helps Earth to sustain life.
5. 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.
6. (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
Quick Reading
II. Match the underlined parts with what they refer to
1. This alarming case showed how the increase in temperature had an impact on Earth’s ecology A. The “ natural" greenhouse effect
2. Without this process, Earth could not sustain life. B. A dead polar bear being found on Norway’s Arctic island of Svalbard
3. This requires the attention of people all over the world. C. Continued green house gas emission resulting in further warming and long-lasting changes to the lobal climate
Quick Reading
2.Comb the structure of the passage.
The problem: Earth is getting l._________________.
A case: A polar bear Was starved to 2. ______because of failing to hunt seals.
The reason: The "3. _______________".
The result: More extreme weather and natural 4._______ worldwide.
The conclusion: The global climate change requires the 5. ________of people all over the world.
CLIMATE CHANGE REQUIRES THE WORLD' SATTENTION
warmer and warmer
death
greenhouse effect
disasters
attention
comprehending
What is the root cause of the polar bear’s death
~~~~~~~~~~~
~~~~~~~~
~~~~~~~~~~~~~~~~~~~~~
language
Why did the writer write about it
Thinking:
Find out the topic sentence of each paragraph.
phenomenon/evidence
consequence
solutions
causes
Read the text carefully and finish the mind map
Detailed reading
What caused the death of the polar bear in the photo?
How does greenhouse effect work?
What is the evidence of global warming
Why did the author write about the polar bear
Part 1 phenomenon
/evidence
词汇精讲
1. 同位语从句
There is little doubt that Earth is getting warmer and warmer.
There is little doubt... 几乎没有疑问的是……
There is no doubt that... 毫无疑问的是……
There is some doubt about sth. 对……值得怀疑
注意:doubt前有否定意义的词修饰时,其后的同位语从句由that引导;
doubt前有肯定意义的词修饰时,其后的同位语从句由whether或if引导。
【典型例句】
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)
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。
that
that
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