内容正文:
Unit 3 Conservation
Topic Talk
What is conservation?
Conservation is saving and protecting the environment, historical objects or works of art such as paintings, sculptures, or buildings.
The conservation of a supply of something is the careful use of it so that it lasts for a long time.
the conservation of natural resources
the conservation of energy / conserve energy
海淀·空中课堂(高中)
海淀·空中课堂(高中)
Talk about the things that need to be protected.
Example:
Our environment needs protection.
We use cars too much, which is bad for both the environment and our health. We should travel in greener ways.
Consequences?
海淀·空中课堂(高中)
海淀·空中课堂(高中)
3
Example:
Trees need conservation.
We cut down too many trees for paper, furniture and construction, which causes serious desertification and extreme weather. We should save paper, do not use the throwaway chopsticks and the cup.
Talk about the things that need to be protected.
Consequences?
海淀·空中课堂(高中)
海淀·空中课堂(高中)
4
Read the Text Builder and learn new words
Read the Text Builder carefully and make sure you know all the words or expressions.
海淀·空中课堂(高中)
海淀·空中课堂(高中)
5
I really feel strongly that we need to change the way we ________ in order to protect _________.
Human Activities:
1. farm (v.) and eat,
2. work,
3. travel,
4. live
Things to Be Protected:
1. the Earth
2. plants
3. oceans
4. forests
5. animals and the environment
6. our planet
7. our land
Read the Text Builder and learn new words
海淀·空中课堂(高中)
海淀·空中课堂(高中)
6
Ways We Destroy Nature:
1. the use of oil and coal
2. plastic waste
3. driving cars
4. cutting down forests
5. mining
I can see that ________ is one of the biggest threats to our planet.
the process of getting coal and other minerals from under the ground
to cause so much damage to it that it is completely ruined or does not exist any more.
Read the Text Builder and learn new words
海淀·空中课堂(高中)
海淀·空中课堂(高中)
7
We all need to _________.
Positive Actions:
reuse previously used items
recycle and reduce the amount of wast