Unit 3 Conservation Topic Talk课件 (共41张PPT)北师大版(2019)选择性必修第一册

(共41张PPT)
Unit 3
To read and talk about conservation
To listen and read for general understanding
To listen for specific information and understanding words in context
To write a short paragraph about conservation
To discuss quotes on conservation
How much do you know about the serious situation humans faces Watch the video and answer the questions.
1. Which of the facts in the video do you find most alarming
2. What does the video want to tell us
2. What does the video want to tell us
Severe environmental problems we are facing nowadays make our future uncertain. It's time for everyone to take action now and make our planet a greener and safer place for our future generations.
1. Which of the facts in the video do you find most alarming
(Any reasonable idea is accepted.)
Climate Change（气候变化）
Energy（能源）
Water（水）
Biodiversity and Land Use (生物多样性和土地使用)
Chemicals, Toxics and Heavy Metals (化学特制、有毒物质及重金属)
Have you noticed some serious problems the earth is suffering from
Air Pollution（空气污染）
Waste Management（废物管理）
Ozone Layer Depletion （臭氧层损耗）
Oceans and fisheries（海洋和渔业）
Deforestation（采伐森林）
Use the diagram to talk about the things that need to be protected.
1
Our environment needs protection. We use cars too much, which is bad for both the environment and our health.
Read the Text Builder carefully.
Human Activities
farm and eat, work, travel, live
Things to Be Protected
the Earth, plants, oceans, forests, animals
and the environment, our planet, our land
2
I really feel strongly that we need to change the way we ________ in order to protect __________.
Ways We Destroy Nature
the use of oil and coal, plastic waste,
driving cars, cutting down forests,
mining
vt. 破坏; 毁坏
adj. 塑料的
n. 采矿业
I can see that ___________________ is one of the biggest threats to our planet.
n. 威胁
Positive Actions
reuse previously used items
recycle and reduce the amount of waste we produce
help save energy and resources
cut down the use of unrecyclable plastic
play our part
use cars less
cycle and walk more
n. 一项; 一条
adj. 不可回收的
vi. & vt. 回收利用
We all need to _________________________________.
I really feel strongly that we need to change the way we ________ in order to protect __________.
Human Activities
farm and eat, work, travel, live
Things to Be Protected
the Earth, plants, oceans, forests, animals
and the environment, our planet, our land
live
our planet
Listen to the dialogue and complete it by underlining the words or expressions you hear.
Ways We Destroy Nature
the use of oil and coal, plastic waste,
driving cars, cutting down forests,
mining
I can see that ___________________ is one of the biggest threats to our planet.
the use of oil and coal
We all need to _________________________________
_____________________________________________.
Positive Actions
reuse previously used items
recycle and reduce the amount of waste we produce
help save energy and resources
cut down the use of unrecyclable plastic
play our part
use cars less
cycle and walk more
recycle and reduce the amount of waste we produce
Use the Text Builder to talk about your feelings on conservation or how to protect the environment.
3
Why is Dr. Bradshaw working on protecting rhinos
2. What do people do to rhinos
3. What does Dr. Bradshaw suggest doing
4. What may happen, if we don’t do something now
Listen to the dialogue. Answer the questions.
4
You should take notes while listen, by writing key words and phrases that you hear.
What do you expect he hear
Why is Dr. Bradshaw working on protecting rhinos
Rhinos are in danger.
2. What do people do to rhinos
Some people incorrectly think rhino’s horns are useful in medicine and illegally hunt them.
3. What does Dr. Bradshaw suggest doing
Making everyone know that hunting these animals is
illegal and that these amazing animals are part of
the world we live in.
4. What may happen, if we don’t do something now
There will be no rhinos left in the world in 20 years.
adv. 非法地
vi.&vt. 猎杀
n. 角
Use the language you have learnt to write a short paragraph about what you know, how you feel and what you need to protect the environment in the future. Then share it in groups.
5
Drive less and take a bus if possible.
Cycle or walk to school.
Take a cloth bag when shopping; do not use plastic ones.
Plant more trees to help absorb carbon dioxide.
Replace paper handkerchiefs with cloth ones.
Turn off the lights when leaving.
Always remember: your contribution counts!
Topic Talk
3.1 (J=John M=Mei)
J: Hey, Mei.
M: Hi,John.
J: So how was that lecture you went to yesterday It was by Professor Linda Wei, the environmental expert, wasn't it
M: Yes, it was really informative! l learnt a lot about the environmental challenges the world is facing now.
J: Tell me more about it.
M: Well, as you know, I really feel strongly that we need to change the way we live in order to protect our planet. The lecture talked a lot about this.
J: Of course, but how
这场讲座真的信息量很大！
当今世界正面临的环境挑战的知识。
为了保护地球，我们得改变生活方式。
M:Well, first, Professor Wei was very passionate about using clean energy. After the lecture, I can see that the use of oil and coal is one of the biggest threats to our planet. We definitely need to switch to different forms of power as soon as possible.
J: That's very true. Did she say anything about using plastic bags
M: Yes, She talked about how plastic waste is killing our oceans. It’ very clear - we all need to recycle and reduce the amount of waste we produce.
J: I totally agree. l think we should cut down the use of unrecyclable plastic to protect our planet.
M: That's a good idea But of course, as the professor said: "We all have a role to play in protecting the environment. If we all do our part, we can live a healthier life on Earth."
我们在保护环境方面都有责任。
尽自己的一份力，我们就能在地球上过上更健康的生活。
如果我们都
是对地球最大的威胁之一
尽快改用其他形式的能源。
减少不可回收塑料的使用，
来保护地球
回收利用，并且减少垃圾的产生量。
3.2 (I=Interviewer B=Dr. Bradshaw)
I: I feel very lucky indeed to have Dr. Bradshaw with us today. He works on protecting animals in danger. At present, he is in a rhino protecting programme.
B: Yes, many animals are illegally hunted for something they have. In the rhino's case, it is their horns : Some people think it is useful in medicine .
I: How can we stop this from happening
B: Well, the first step is education-we need to make everyone know hunting these animals is illegal and that these amazing animals are part of the world we live in.
I: How long do we have before rhinos become extinct
B: If we don't do something now, there will be no rhinos left in the world in 20 years.
I: That's an incredibly urgent matter...
许多动物因为身上的某些东西而被非法捕猎。
他致力于保护濒危动物。
捕猎这些动物是违法的
而且这些奇妙的动物是
我们所生活的世界的一部分。
那是一件极其紧迫的事情……
灭绝
We have acted on the idea that lucid waters and lush mountains are invaluable assets.
—Report to the 20th National congress of
the Communist Party of China
Read each quote and talk about them.
Protecting the environment can produce economic value.
What can we do to promote green development
Conservation is a state of harmony between men and land.
—Aldo Leopold
We should respect nature and the natural environment and live alongside it peacefully. We shouldn’t change or destroy it.
In your local area, what examples of people living in harmony with the land are there
We must stop polluting our environment because once the damage is done, we cannot undo it.
What changes can you make to your daily life to help reduce pollution
Environmental pollution is an incurable disease. It can only be prevented.
—Barry Commoner
Take with restraint and use in moderation; this way one shall always know contentment.
—Zizhi Tongjian
We will always feel happy and comfortable if we take only what we need and use only what we need.
What items do you think people always want more of and use too much of
threat n. 1) a statement in which you tell someone that you will cause them harm or trouble if they do not do what you want 威胁
2) the possibility that something very bad will happen （灾难等坏事）发生的可能
1. After the lecture, I can see that the use of oil and coal is one of the biggest threats to our planet. (P 110)
a threat to… 对……的威胁
under threat (from…) 受到……的威胁
under threat of 受到……的威胁
make threats against sb 对某人进行威胁
e.g. *Your threats don’t scare me.
你的那些威胁吓不倒我。
*These ancient woodlands are under threat from new road developments.
新道路的修建可能对这些古老的林地造成破坏。
*Many wild plants are under threat of extinction.
许多野生植物面临灭绝的危险。
threaten v. 威胁；恐吓；威胁到，危及
threaten sb with… 用……威胁某人
threaten to do sth 威胁做某事
threaten one’s life 危及某人的生命
be threatened with 受到……的威胁
threatening adj. (行为)威胁的；恐吓的
(天气)阴沉沉的
【语境应用】单句语法填空。
1) He is unlikely to be _________ threat to the Spanish player in the final.
2) Being stuck in a big fire is ___________, and we are ___________ with it. (threaten)
3) David threatened ___________ (report) his neighbour to the police if the damage were not paid.
4) The program is ___________ threat of closure due to lack of funding.
a
threatening
threatened
to report
under
2. We definitely need to switch to different forms of power as soon as possible. (P 110)
switch vi. &vt. to change from doing or using one thing to doing or using another 转换，改变
n. 1) a complete change from one thing to another 改变，转变
2) a piece of equipment that starts or stops the flow of electricity to a machine, light etc when you push it 开关
e.g. * She worked as a librarian before switching to journalism.
她在转行从事新闻工作前是图书馆管理员。
* John could switch easily from French to English.
John可以在法语和英语之间自如切换。
* Where’s the light switch
电灯开关在哪儿？
* She made the switch from full-time to part-time.
她从全职工作改为兼职工作。
【语境应用】完成句子。
Please make sure ______________________________ (关上所有手机) during the performance.
2) Peter _______________________ (转而去教书了) in mid-career.
3) By using the latest technologies, drones could also start providing higher-value services for railways, _______________ __________________ (发现铁路系统和开关的问题), before they can cause any safety problems. (2022全国乙卷改编)
all mobile phones are switched off
switched over to teaching
detecting faults in
the rail or switches
3. That’s an incredibly urgent matter… (P 110)
urgent adj. very important and needing to be dealt with immediately 紧急的；急迫的
in urgent need of 急需
e.g. *He was in urgent need of medical attention.
他急需治疗。
*Many people are in urgent need of food and water.
很多人极需食物和水。
urge vt. 催促；力劝 n. 强烈的欲望
urge sb to do sth 催促某人做某事
urge that sb (should) do sth 极力主张某人做某事
have an urge to do sth 渴望做某事
urgently adv. 紧急地, 迫切地
urgency n. 紧急; 紧急的事
【语境应用】完成句子。
震区的人们急需食品、药品和住的地方。
The people in the earthquake stricken area are______________ food, medicine and shelters.
2) 随着期末考试来临，老师敦促我们努力学习。
Our teacher _____________________ with the final exam drawing near.
3) 学生们极力主张图书馆周末也应开放。
It is strongly urged by students that the library ____________ kept open during the weekend.
in urgent need of
urges us to study hard
(should) be
I. 用括号内单词的正确形式完成下列句子。
1. Since 2008, hunters have __________ (illegal) killed more than 3,000 rhinos in that country.
2. If we help protect these animals and spread the news about ____________ (conserve), we will be doing our part and hopefully our grandchildren will still be able to see these creatures in the wild.
illegally
conservation
II. 选用方框内合适的内容并用其正确形式完成下列句子（每项限用一次）。
1. It still concerns us that whales are still being __________ and killed in the Arctic.
2. We’ re in the process of ___________ over to a new system of protecting the local lake.
3. A truck made from __________ material and powered by cooking oil arrived back in the UK after a two-year around-the-world journey.
hunted
recycle hunt switch
switching
recycled /
recyclable
III. 根据括号内的汉语提示完成下列句子（每空一词）。
1. To make the Earth a better place to live, we all __________ __________ _________ _________ _________ (起某种作用).
2. So if we each __________ __________ __________ (尽我们的责任), together, we can make a difference, and we can help keep species from going extinct.
3. Most of the old part of the city __________ __________ (被破坏了) by the powerful earthquake last month.
have a role to play
do our part
was destroyed
Design a poster that encourages people to protect the environment.
Preview Lesson 1.