北师大版（2019）选择性必修 第一册Unit 3 Conservation Reading Club 2 课件(共32张PPT)

(共32张PPT)
Unit 3 Conservation
Reading Club 2
Nature Is Turning on Us
Learning objectives
I. Activate and share
The front-page news over the past few months
CHINADAILY 2022-08-15 12:29
The summer of 2022 is on track to become the hottest since 1961 as a scorching heat wave is forecast to smother most parts of the country in the coming two weeks, triggering fresh concerns over drought, heat damage to crops and new peaks in energy consumption, China's weather authority said.
High temperatures have lingered in many parts of southern China since June.
I. Activate and share
CHINADAILY 2022-08-29 15:19
Chongqing, a city of more than 32 million people, faced an unprecedented test this summer, with a heat wave and drought causing a series of large wildfires since Aug 17.
Local residents have safeguarded their hometown in every way possible, with thousands of volunteers from all walks of life fighting the fires with firefighters.
On Thursday night, as wildfires approached a man-made barrier on Jinyun Mountain in Beibei district, a total of more than 1,000 firefighters and volunteers stood alongside the barrier with fire extinguishers. Seen from overhead, their lights formed a silver wall against the raging fire line.
Activate and share
I. Activate and share
Natural disasters
I. Activate and share
Natural disasters
floods 洪水
thunderstorms 雷暴
earthquakes 地震
typhoons 台风
volcanic eruptions 火山喷发
tsunamis 海啸
forest fires 森林火灾
landslides 滑坡
II. General Understanding
Summarize each paragraph and the central idea of the passage.
Para. 1
Para. 2
Para. 3
Para. 4
Central idea
General Understanding
Para 1
Skill Builder 1
In an exposition, the first sentence of a paragraph usually serves as its topic sentence.
Para 2
Para 3
Para 4
II. General Understanding
Para. 1
Para. 2
Para. 3
Para. 4
Central idea
大规模地
Natural disasters have become increasingly common all over the world.
Why disasters are getting worse.
Landslides and earthquakes are more dangerous than in the past.
Most experts believe things could get a lot worse.
In the last few years, we have seen environmental disasters on a grand scale, and experts are predicting worse to come.
II. General Understanding
Complete the diagram with facts about natural disasters around the world.
II. General Understanding
Complete the diagram with facts about natural disasters around the world.
Earthquakes
Massive earthquake hit central Italy, 2016
Earthquakes killed 1.6 million in the last century
巨大的，非常严重的
II. General Understanding
Complete the diagram with facts about natural disasters around the world.
Hurricanes and typhoons
More hurricanes hit the US and Central America
Atlantic hurricanes are 40% stronger than 30 years ago.
II. General Understanding
Complete the diagram with facts about natural disasters around the world.
Hurricanes and typhoons
Typhoons: in the western Pacific Ocean (the Eastern Hemisphere)
Hurricanes: in the Atlantic and eastern Pacific (the Western Hemisphere)
II. General Understanding
Complete the diagram with facts about natural disasters around the world.
Reduced rainfall
affected Africa for a long time
severe droughts in Somalia and Kenya in 2017
resulted in forest fire in Canada, 2016
II. General Understanding
Complete the diagram with facts about natural disasters around the world.
Volcanic eruptions
three eruptions at the same time in Indonesia, 2016
Landslides
hit Mocoa, Colombia, in 2017, killing and injuring many
II. General Understanding
How do you understand the title “Nature Is Turning on Us”
Nature is becoming aggressive and attacks us with the disasters.
According to the author, why is nature turning on us
Overpopulation and global warming are causing natural disasters to get worse. (para.2)
cause harm to someone in a sudden and unexpected way 打开（设备）；诱惑；攻击；依靠
Practice
Task 1. Words in context
Skill Builder 2
A word’s meaning and use are shaped by the context.
Practice
Task 1. Words in context
1. As used in Line 5, “drought” most likely means ____.
the destruction of plants by insects
a large amount of water covering an area
a long period of time when there is little rain
√
Practice
Task 1. Words in context
2. As used in Line 16, “collapse” most likely means ____.
to suddenly fail
to suddenly fall down
to suddenly decrease in value
√
Practice
Task 1. Words in context
3. As used in line 28, “claim” most likely means ____.
to demand something
to cause somebody’s death
to say something is true without proving it
√
Practice
Task 2. In each paragraph, what ways of argument are used to convince readers
Para. 1
Facts and examples are given to show that natural disasters are increasingly common all over the world. Examples of floods, hurricanes, droughts, volcanic eruptions, earthquakes in different continents are given to prove the main idea of the paragraph.
Practice
Para. 2
The author uses logic reasoning to connect disasters with overpopulation and global warming.
______
global warming
population grows in developing world
____
____
CO2
production
________
____
____
Nature turns on us
发展中的
Practice
Para. 2
overpop-ulation
global warming
population grows in developing world
poor people move to cities
build homes that easily collapse
CO2
production
forest destruction
hotter oceans
stronger winds
Nature turns on us
Logical reasoning
Practice
Para. 3
Facts and statistics are given to show landslides and earthquakes are more dangerous now.
Para. 4
The author quotes a professor to show that experts believe disasters could get worse.
Practice
Skill Builder 3
To build an argument, the author uses evidence (including facts, examples, quotes, statistics) to support the claim, and uses reasoning to connect the claim and evidence.
III. Critical Thinking
Is the author’s attitude positive or negative towards the future
Do you agree What is your attitude
What do you think of the solutions
Critical Thinking
Homework
Write a summary of the passage.