(共44张PPT)
Period 1 : Reading and Thinking
Discuss Climate change
Unit 3 ENVIRONMENTAL PROTECTION
01
02
03
By reading, explain causes and negative effects of global warming.
By teamwork, present how to solve the problem of global warming in groups.
Be aware of the importance of cutting greenhouse gases and take effective action to do it.
By the end of the class, you will be able to
Learning Aims
Lead-in
How much do you know about global warming
What do you know about global warming
The effects are destructive as follows:
The sea level to rise.
Severe storms, droughts, famines, the spread of diseases, and destruction of species.
Wide animals died because of starvation.
Forest fire occurs frequently because of the extreme hot weather.
Lead-in
What is the graph about What information can you get from it
The graph is about the change of global
Surface temperature.
It shows us that the global temperature
is rising steadily and continuously.
2. What happened in the picture Do you know what caused it
A polar bear was dead and it is “skin and bones.”
The ice is melting on the mountain.
Global warming causes the melting of iceberg and some
polar bears Suffer from the lack of food.
Fast-reading
Read the text and sum up the main idea of each paragraph:
01
02
03
04
05
Global climate is changing dramatically.
An alarming case about a bear starved to death.
What is causing the increase in the global average surface temperature
The destruction of the rise in temperature and the warning.
Further possible changes to the global climate and our duty.
Fast-reading
.
Read the text and answer the questions:
1.What is the evidence of global warming
2.Why is the “natural ”greenhouse effect important and necessary
3.What are the consequence of high greenhouse gas emissions
4.Why did the author mention the climate scientists’ warning
5.What is the author’s purpose of writing the text
Read the text and answer the questions:
What is the evidence of global warming
Warming ocean and atmosphere; melting and rising sea level; the starved polar animals; the extreme weather and natural disasters.
2.Why is the “natural ”greenhouse effect important and necessary
Because greenhouse gases trap heat and keeps the earth warm and habitable.
3.What are the consequence of high greenhouse gas emissions
People produce huge amounts of extra greenhouse gases and more heat energy is trapped, causing the temperature to go up.
4.Why did the author mention the climate scientists’ warning
Because the writer wants to warn us of the urgency of taking appropriate actions to tackle the issue.
5.What is the author’s purpose of writing the text
To arouse our awareness of the problem of the rise of temperature and taking proper actions to address the global warming.
Read the text again and create a diagram describing how the greenhouse effect works.
Diagrams are very useful tools that can be used to brainstorm idea, map out processes, show cause and effect relationships, explain a new idea of concept, and so on. When you read an essay about scientific issues, you can try drawing a diagram, which will not only allow you to visualize the problems more clearly but also can help demonstrate your creative thinking and problem-solving.
1.What examples of extreme weather and disasters do you know Make a list of them.
2. Do you think it is human activity that caused global climate change Give your reasons
3. Who should take responsibility to address this climate change What should you do to tackle it
Group discussion
1.What examples of extreme weather and disasters do you know Make a list of them.
Tsunami, floods, landslides, sandstorms, thunderstorms, earthquakes, hail, hot waves, cold waves, typhoons, tornados, hail.
2.Do you think it is human activity that caused global climate change Give your reasons
3. Who should take responsibility to address this climate change
Yes. Human beings burn too much fossil fuels and produce large quantities of carbon dioxide, causing the temperature to go up steadily.
It is everyone’s duty to take care of the earth and do our part to tackle global warming.
Take the stairs instead of elevator.
What should you do to tackle it
Don’t litter.
What should you do to tackle it
Go to school by bike instead of by car/bus.
What should you do to tackle it
Turn off the lights when leaving. Cover the pot while cooking.
What should you do to tackle it
Use handkerchief instead of facial tissue.
What should you do to tackle it
Use basket or environmental basket bag instead of plastic bag; buy things economic with energy; use recycle goods or items.
What should you do to tackle it
Climate is rising.
Evidence
damages
Potential further changes
causes
warning
actions to tackle the issue
1. starve vi.&vt. (使)挨饿; 饿死
An expert who has studied polar bears for many years said that from the position of its dead body,the bear appeared to have starved and died.
一位研究北极熊多年的专家说,从北极熊尸体的 位置来看,北极熊似乎是饿死的。
Language points
【知识拓展】
(1)starve for 渴望, 极想得到
starve to death 饿死
(2) starvation n. 挨饿
(3)starving adj. 极想的, 渴望的
be starving for 渴望得到某物
【巧学助记】语境助记starve
The starvation is still a very serious problem today. It’s said that one in seven people in the world is starving. Fortunately, the UN has taken a lot of measures to protect them from being starved to death.
今天饥饿仍然是一个非常严重的问题。据说世界上七分之一的人在挨饿。幸运的是, 联合国已经采取了很多措施来保护他们免于饿死。
【即学即练】语法填空
(1)The lonely student is ________(starve) for friendship.
(2)We shall wait the enemy out, and watch them starve to _____(die).
(3)Since the famine broke out, the number of people dying of _________(starve)
has been increasing.
starving
death
starvation
2. sustain vt. 维持; 遭受;承受住
Here are five ways to sustain long-distance friendships. 这有保持异地友谊的五种方法。
(2023·新高考Ⅰ卷)Cycling is the most economical, sustainable and fun way to explore the city, with its beautiful canals, parks, squares and countless lights. 骑自行车是探索这座城市最经济、最可持续、最有趣的方式,这里有美丽的运河、公园、广场和无数的灯光。
【知识拓展】
sustain an interest 保持兴趣
sustain losses 遭受损失
sustain one’s weight 承受某人的体重
sustainable development 可持续发展
【即学即练】完成句子
(1)They had sufficient food to __________.
他们有足够的食物来维持生命。
(2) ______________________is a brand new idea of society development.
可持续发展是一种全新的社会发展观。
sustain life
Sustainable development
3. fuel n. 燃料;刺激性言行
When people produce huge amounts of extra greenhouse gases by burning fossil fuels, more heat energy is trapped in the atmosphere and causes Earth's surface temperature to rise quickly. 当人们通过燃烧化石燃料产生大量额外的温室气体的时,更多的热能被困在大气中,导致地球表面温度迅速上升。
【知识拓展】
fossil fuel 化石燃料
add fuel to the fire 火上浇油
fuel one’s interest in 激起某人对……的兴趣
【即学即练】
(1)完成句子。
They are trying to find ____________for cars.
他们正试图找一种更干净的汽车燃料。
(2)同义替换。
His experience aroused (=______) his interest in becoming a chef.
a cleaner fuel
fueled
【熟词生义】
How China has fueled the fashionable imagination for centuries
几个世纪以来,中国是如何激发时尚想象力的
(2024·九省联考)I sat alongside my car for several hours trying to beat the heat when an older gentleman stopped to fuel his car.
我在车旁坐了几个小时试图避暑,这时一位年长的绅士停下来给他的车加油。
v. 启迪, 刺激, 煽动
v. 加油
4. trend n. 趋势; 趋向;动向
Climate scientists have warned that if we do not take appropriate actions,this warming trend will probably continue and there will be a higher price to pay. 气候科学家警告说,如果我们不采取适当的行动,这种变暖趋势可能会继续下去,人类将付出更高的代价。
【知识拓展】
the latest trend in ……的最新潮流
fashion trends 时尚潮流
tend to do sth. 倾向于做某事
【即学即练】完成句子/翻译
(1)He always ______________one extreme to the other.
他总是倾向于从一个极端走向另一个极端。
(2)网上购物在印度成为一种新趋势。
译: __________________________________.
tends to go from
Online shopping is a new trend in India
5. broadcast vt.&vi. 播送; 广播; 传播 n. 广播节目, 电视节目
(2023·全国乙卷)Cookery shows and documentaries about food are broadcast more often than before.
烹饪节目和关于食物的纪录片比以前更频繁地播出。
【知识拓展】
radio broadcast 无线电广播
the live broadcast of ……直播
be broadcast live 进行直播
【即学即练】完成句子
(1)Regular _______________began in 1920.
常规的无线电广播始于1920年。
(2)In addition, I hope the program _______________on Saturday evenings.
此外, 我希望这个节目能在星期六晚上播出。
radio broadcasts
will be broadcast
6. restrict vt. 限制; 限定; 束缚
We as individuals can also reduce our “carbon footprint” by restricting the amount of carbon dioxide our lifestyles produce.
我们作为个人也可以通过限制我们的生活方式产生的二氧化碳的数量来减少我们的“碳足迹”。
【知识拓展】
restrict the number of 限制……的数量
restrict oneself to 限制自己……(to是介词)
without restriction 没有限制
【即学即练】语法填空
(1)Her diet restricts her __ 1, 500 calories a day.
(2) Jan. 23: Wuhan declared temporary outbound (向外的)traffic __________
(restrict).
(3)Mr Smith has a limited income __________________________different goods
he can buy.
史密斯先生的收入有限, 这就限制了他能买的各种商品的数量。
to
restrictions
which restricts the number of
7. seize vt. 抓住; 夺取; 控制
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. 我们有责任抓住每一个机会,向每一个人宣传全球变暖及其原因和影响,因为这是影响我们地球上所有人的最严重问题。
【知识拓展】
seize the opportunity/chance 抓住机遇/机会
seize the power 夺取政权
【熟词生义】Although he had read the passage over and over again, he didn’t seize its general idea. 虽然他读了一遍又一遍,但还是没有理解大意。 ( )
vt. 理解, 领会
【即学即练】语法填空
(1)Suddenly, a tall man driving a golden carriage ______(seize) the girl and
took her away, disappearing into the woods.
(2)You should ________________________________, or you will be regretful.
你应该抓住这次出国学习的机会, 否则你会后悔的。
seized
seize the opportunity to study abroad
8. There is little doubt that Earth is getting warmer and warmer.
毫无疑问, 地球正变得越来越暖和。
【句式解构】
there is little/no doubt that. . . 毫无疑问……, that引导的是同位语从句。
There is no doubt that to realize a goal, one needs not only knowledge but also good personalities. 毫无疑问,要实现一个目标,不仅需要知识,还需要良好的性格。
There is no denying that students should learn something about how computers work. 不可否认,学生应该学习计算机是如何工作的。
【名师点津】
“there is no/little+抽象名词+that. . . ”是存在句, 其中there不能换成it。
【即学即练 】语法填空/翻译
(1)At present, there is little doubt ____ the short message plays an increasingly
important role in our lives.
(2)毫无疑问, 看电视会影响人们的行为举止。
译: _________________________________________________________________
________
that
There is no doubt that watching television can influence the way that people
behave.
Summary
You can click here to add what you want to addt. It is easy to change.
You can click here to add what you want to add. It is easy to change.
认知词汇:
basin,reform,undergo,penguin,moderate,imple-ment,annual,chaos,tropical,jungle
拓展词汇:
1.submit→submission
2.starve→starvation→starving
3.sustain→sustainable
4.harmonious→harmony
5.restrict→restriction
6.sensitive→sense→sensible
应用词汇:
1.starve:starve for,starve to death,starvation,be starving for
2.sustain:sustain an interest,sustain losses,sustain one’s weight,sustainable development
3. fuel:fossil fuel,add fuel to the fire,fuel one’s interest in
4.trend:the latest trend in,fashion trends,tend to do sth.
5.broadcast:radio broadcast,the live broadcast of,be broadcast live
6.restrict:restrict the number of,restrict oneself to,without restriction
词 汇 清 单
核心短语
重点句式
There is little doubt that Earth is getting warmer and warmer.
毫无疑问, 地球正变得越来越暖和。
【句式解构】
there is little/no doubt that. . . 毫无疑问……, that引导的是同位语从句。
on behalf of
have an impact on
be trapped in
in search of
deal with
as well as
in response to
huge amounts of
take appropriate actions
make policies
Ⅰ. 根据语境及汉语提示写出正确的单词
1. He started to study _______ (生态学) and decided to devote his whole life to
science.
2. The lazy bird had nothing in store for the winter, so it had to ______(挨饿).
3. During the 1960s, many other famous rock groups _______ (发布) songs
about winter.
4. He _________ (遭受) a serious wound in the stomach.
5. Higher-income parents tended to have children played with puzzles more
_________(经常).
ecology
starve
released
sustained
frequently
Exercise
6. He is always watching CCTV news _________(广播) on current affairs.
7. So the governments in the world try to forbid cutting down the trees and
_______(限制) the emission of wastewater.
8. In my opinion, only by facing difficulties bravely and ______(抓住)
opportunities can one succeed.
9. The epidemic swept through North Africa and Europe and left families
mourning __________(遍及全球地).
10. My ______(政策) in my business is “Ask advice, but use my common sense”.
broadcast
restrict
seizing
worldwide
policy
Ⅱ. 完成句子
1. He sent her some roses, ________________________.
他给她送去了一些玫瑰, 还有一封信。
2. Despite this fact, French still ________________________the English
language.
尽管如此, 法语仍然对英语产生了影响。
along/together with a letter
had an impact/influence on
3. Culture _______________or community with which we share common
expressions that shape the way we understand the world.
文化指的是一个我们与之共享共同表达方式的群体或社区, 这些共同表达方式
塑造了我们理解世界的方式。
4. It was 10 years of hard work that ___________________________________.
正是10年的努力工作使他在商业上取得了成功。
5. Our government is trying
___________________________________________.
我们的政府正试图采取措施, 防止和控制污染。
refers to a group
led to/resulted in his success in business
to take measures to prevent and control pollution
III.短语填空
on behalf of; in search of; deal with; as well as;in response to
1. The law was passed______________public pressure.
2. We cannot expect her to do the housework______________look after the children.
3.How to ____________it if the situation happens to you or your girlfriend
4. Rescue workers are digging through the ruins _____________other victims.
5. He expressed deep gratitude again _____________the government.
in response to
as well as
deal with
in search of
on behalf of
A little learning is a dangerous thing.
知识浅薄,如履薄冰。