外研版（2019）必修第三册Unit 6 Disaster and hope Understanding ideas 课件(共33张PPT)

(共33张PPT)
Unit 6
Disaster and hope
Understanding ideas
By the end of this period, students will be able to:
read the chart and get the main idea of the passage;
find out specific information about the author’s tube experience;
voice your opinion about climate change and shoulder the responsibility for saving the earth.
CONTENTS
Pre-reading
I
While-reading
II
Post-reading
III
Sentences analysis
IV
Just imagine you are living in 2080, what will you experience
global warming
Hot!
Hot!
Hot!
Pre-reading
Look at the thermometer and answer the questions.
1. What happens when the temperature
goes very high or very low
How do people deal with extreme
temperatures
2. What were the highest and lowest
temperatures recorded where you
live How do you feel in extreme
temperatures （Answers vary）
mountain collapse
1. What happens when the temperature goes very high
when the temperature goes very high.
drought
forest fires
heavy rain
floods
mudslides
heat wave
crop production declines
2. What happens when the temperature goes very low
when the temperature goes very low.
heavy snowstorm
cold wave
wars
famines
3. How do you feel in such high or low temperatures
uncomfortable and uneasy
inconvenient to do lots of things
...
4. How do you deal with extreme temperatures
watch the weather forecast
make full preparations and take some protective measures
not go out but stay in some place with air conditioning system
...
Focus on the title and think:
repetition
exclamation point
why
_________ is hot!
________ is hot!
_________ is hot!
Who is hot
The author
London
The earth
1. What does the passage mainly talk about
A. A journey in London.
B. The Tube system in London.
C. The crowded situation.
D. The extreme weather conditions.
While-reading
√
Para.1 A. The author’s feelings after walking out of the Tube.
Para. 2 B. What the author finds and feels before entering
the Tube.
Para.3 C. The strange ideas of the author in the Tube.
Para.4 D. The author’s experience inside the Tube.
Para.5 E. The shocking news about the disaster from the
newspaper.
2. Skim the text and match the main idea with each paragraph.
Careful-reading
Read Para.1 carefully and do the following exercises.
Scene 1 : At the Tube station (Para. 1)
The London Underground
The London Underground(also known as the “Underground” or the “Tube”) is a public transport system for London and its neighboring areas. The underground is the world’s first underground railway as well as one of the deepest. Opened in 1863, the network has 11 lines, making it one of the world’s busiest metro systems.
1. What’s the average temperature in July？What’s special that day
Scene 1:(Para.1) At the Tube station
The average high temperature in July is only 22 degrees, so over 30 is not usual for London.
The Central Line
2. What’s the author’s feeling on the Central Line and why
3.Use three superlative adjectives(最高级) to describe the London Central Line.
He feels awful. Because there is no air conditioning on the Central Line.
Oldest, deepest, hottest.
4．Why does the author mention the newspaper title
A. To tell us something about the weather.
B. To show that the newspaper is free.
C. To introduce the topic of this passage.
D. To tell us the Tube is very hot.
√
5. Deep thinking: What is the author doing by saying “Why did they have to invent the Tube before air conditioning”？
He is complaining.
Read Para.2 carefully and do the following exercises.
Scene 2:(Para. 2) Onto the platform & inside the train
1．Which of the following statements is NOT true according to Para. 2
A. The temperature inside the train is much higher than that on the platform.
B. There are a lot of passengers with the author in the Tube.
C. The author feels very comfortable while in the Tube.
D. The author is wearing a suit while in the Tube.
2. Why does the author feel a bit sick on the train
A. Because there is no air conditioning.
B. Because working in a tall glass building is awful.
C. Because it is extremely hot inside the train.
D. Because the breakfast smells terrible.
√
√
(1)Sure enough, going down the stairs and onto the platform
is like jumping into a volcano that’s erupting.
(2)I’m sure the passenger next to me and I are melting and becoming one！
(3)One very hot summer, the sun reflected off it and melted cars parked below！
Exaggeration
Simile
Exaggeration
3. What figures of speech are used in the sentences describing how hot on the platform
1.Which of the following doesn’t belong to the author’s preparations for the future
A. Move the flat to another city. B. Buy a boat.
C. Move the office to the top floor. D. Learn to swim.
2. How does the author feel about the reports of natural disasters around the world
A. Excited. B. Relaxed. C. Shocked. D. Embarrassed.
Scene 3: inside the train
Read Paras.3-4 carefully and do the following exercises.
√
√
4. What can we learn from the text
A. There is a volcano in London erupting now.
B. The working place will move to the top floor.
C. The author wants to sell his flat and buy a boat.
D. The temperature in London is higher than before.
3.Which of the following disasters is NOT mentioned in the 4th paragraph
A. A hurricane. B. Landslides.
C. Forest fires. D. An earthquake.
√
√
1. Why does the author feel good after walking out of the Tube
A. Because he has been worrying too much.
B. Because he is moving to space.
C. Because he feels cooler outside.
D. Because his destination is here now.
2. What will the author intend to do
A. He wants to buy a high flat and a boat. B. He suggests moving his office.
C. He won’t worry a lot in the future. D. He plans to move to space.
Scene 3: (Para.5)Out of the train
Read Para. 5 carefully and do the following exercises.
√
√
Now let’s read the whole passage and do some exercises.
1.Look through the passage again and try to get its structure.
At the Tube station
Inside the train
Out of the station
Conclusion: The passage is organised in the order of
_______.
space
2.Skim the passage again and find out the different places where the author is and feelings of the author in each paragraph.
Places Feelings
Para. 1 _______________
Para. 2 _______________
Para. 3 _______________
Para. 4 _______________
Para. 5 _______________
at the Tube station
inside the Tube
inside the Tube
inside the Tube
outside the station
the author feels___________
the author feels___________
the author feels___________
the author feels___________
the author feels___________
awful
melting sick
Shocked, nervous
refreshed
scared
3．What is the author’s purpose in writing the passage
A. To explain why summers in London are getting hotter and hotter.
B. To complain about the London Tube.
C. To warn people about the danger of London being flooded.
D. To express his worries about the dangers of extreme weather conditions.
4. What is the type of the text
A. A biography(传记)． B. A narrative(记叙文)．
C. An exposition(说明文)． D. An argumentation(议论文)．
√
√
1．Explain why the author shows concerns about extreme weather conditions.(Critical thinking)
Suggested answer:
Due to climate change, terrible natural disasters occur across the world from time to time. Natural disasters, including typhoon, hurricanes, earthquakes, landslides, heat waves and forest fires, etc. have brought different degrees of damage to the production and life of human beings. Their negative or destructive effects are one of the most severe challenges facing mankind at present and in the future.
Post-reading
Discussion
2．How will you adapt to climate change which may affect your life in the future.(Creative thinking)
Suggested answer:
As far as I’m concerned, humans are to blame for the frequent occurrence of extreme weather. Adaption to climate change depends upon effective environmental protection from now.
I can start with little things just like refusing the use of disposable chopsticks, saving water and turning off the lights before going outside and so on. In addition to this, I will call on people around me to be involved in planting trees or other recycling projects to build a greener earth.
I work in a tall, glass building in London and I go to work by underground—the Central Line, one of the oldest and deepest lines.
Today, the temperature 1.__________(expect) to reach 30 plus degrees, 2.______ is unusual for London. Going down the stairs and onto the platform is like jumping into an erupting volcano.3.______ awful I feel with no air conditioning! The temperature inside the train can reach 35 degrees! In a suit and in 4.____ crowd of passengers，I feel as if the passenger next to me and I were melting and becoming one! I feel a little sick with bacon and eggs for breakfast, 5.________ (hope) I can make it to Bank station.
is expected
Summary
which
How
a
hoping
On the train, I can’t help imagining the solution 6.______ the weather problem. Should I sell my flat in exchange for a boat Should I speak with my manager about moving the office from the third floor to the top Most 7.____________(important), should I learn to swim That’s what ensures my 8.________(survive) when the tall buildings are flooded.
In the newspaper, I learn that more natural disasters are sweeping the whole world—a hurricane in Asia, landslides 9.________(cause) by heavy rain in Eastern Europe, forest fires across Southern Europe...All are due to climate change.
“The next station is Bank!” The announcement wakes me up. Maybe, I 10. ________________(worry) too much. After all, it’s only 30 degrees outside!
to
importantly
survival
caused
have been worrying
Sentences Analysis
1．Picking up a free newspaper at the Tube station, I see the title “Hot! Hot! Hot！”．
[句式分析]　此句为________句。句中pick up意为“___________”，Picking up...为现在分词短语作________；句子主干为_____。
[自主翻译]　
捡起，拿起
简单
在地铁站拿起一份免费报纸，我看到一个标题写着“热！热！热！”。
状语
2．It’s just typical that my journey is on one of the oldest lines, as well as one of the deepest.
[句式分析]　此句为________句。句中It作__________，that引导的从句是句子的__________；as well as是_________，意为“_________________”。
[自主翻译]　
复合
形式主语
真正主语
并列连词
也，又，还
我通常上班所走的路线刚好是地铁里最老、最深的一条线。
3．Sure enough，going down the stairs and onto the platform is like jumping into a volcano that’s erupting.
[句式分析]　此句为_______句。主句为__________结构，主语是_______；like意为“______”，词性为_______；that引导的是______从句，修饰先行词__________。
[自主翻译]　
复合
主系表
像
介词
定语
volcano
果不其然，走下楼梯，来到站台上就像是跳进一座正在喷发的火山。
4．Looking through my newspaper，I’m shocked by photos showing that a hurricane in Asia has destroyed a town.
[句式分析]　此句为________句。句中Looking through...为现在分词短语作_______；主句主语是____，be shocked by意为“_________________”；showing...为现在分词短语作___________；that引导______从句。
[自主翻译]　
复合
状语
I
对……感到震惊
后置定语
宾语
我翻阅着手里的报纸，震惊地看到亚洲的飓风摧毁了一个城镇的照片。
5．Experts say this bad weather has occurred due to climate change.
[句式分析]　此句为________句。句中Experts say后为省略______的_______从句；occur为不及物动词，意为“_______”；due to意为“_____________”，后接_____________。
[自主翻译]　
复合
that
宾语
发生
因为，由于
原因状语
专家说这些恶劣天气是由气候变化导致的。
Write a passage about how to protect the earth.
Apr. 22nd
Homework
Protecting the earth is protecting ourselves!
We are one !