北师大版（2019） 选择性必修第一册 Unit 3 Conservation Topic talk 课件(共21张PPT)

(共21张PPT)
Unit 3
CONSERVATION
Conservation
What needs to be protected
n. 保护
Protection
plants
oceans
forests
animals
The Earth
our planet
our land
Why do animals need protection
The animals are becoming extinct.
They are killed by pollution.
They cannot find enough food.
They are killed by climate change.
dinosaur
polar bear
fur
&
skin
They are killed for body parts or food.
meat
The forest has been destroyed.
Why do forests/trees/plants need protection
Why do the earth need protection
environmental
problems
Name some major environmental problems we are facing currently.
1. Pollution: water pollution, air pollution, soil pollution, plastic pollution.
2. Global warming.
3. Climate change.
4. Overpopulation.
5. Waste disposal.
6. Loss of biodiversity.
7. Deforestation.
What should we do to protect them
We need to do (plant more trees).
We must (plant more trees).
We should (plant more trees).
conservation
What needs to be protected
Why do they need protection
What should we do
…
Our environment needs protection. We use cars too much, which is bad for both the environment and our health.
n. 保护
Read the Text Builder carefully.
Conservation
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
I can see that ___________________ is one of the biggest threats to our planet.
Ways We Destroy Nature
the use of oil and coal, plastic waste, driving cars, cutting down forests, mining
vt.破坏;毁坏
n.威胁
adj.塑料的
n.采矿业
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
n.一项;一条
adj.不可回收的
vi.&vt.回收利用
Listen to the dialogue. Answer the questions.
Why is Dr. Bradshaw working on protecting rhinos
Many animals are______________ for something they have.
2. What do people do to rhinos
They use rhinos’_________ to make medicine.
n.犀牛
adv.非法地
vi.&vt.猎杀
n.角
illegally hunted
horns
3. What does Dr. Bradshaw suggest doing
Make everyone know_________________ and they are part of the world we live in.
4. What may happen, if we don’t do something now
There will be______________________ in 20 years.
hunting animals is illegal
no rhinos left in the world
Listen and fill in the blanks.
I: I feel very lucky ______ to have Dr. Bradshaw with us today. He works on protecting animals _________. At present, he is in a rhino protecting programme.
B: Yes, many animals are _____________ for something they have. In the rhino’s case, it is their ______. Some people think it is useful in _________.
I: How can we stop this from happening
indeed
in danger
illegally hunted
horns
medicine
B: Well, the first step is _________ —we need to make everyone know hunting these animals is _______ and that these amazing animals are _______ the world we live in.
I: How long do we have before rhinos become _______
B: If we don’t do something now, there will be no rhinos left in the world in _____ years.
I: That’s an incredibly _______ matter…
education
illegal
part of
extinct
20
urgent
adv.非常地;极端地