北师大版（2019）选择性必修 第一册Unit 3 Conservation Viewing workshop 课件(共29张PPT)

(共29张PPT)
Unit 3 Conservation
Viewing Workshop
Crazy Bridges for Animals
Learning objectives
Why did the chicken cross the road
To look for some food
To find a place to live in
…
“To get to the other side.”
We may never know the reason since she’s probably never got to the other side.
Activate and share
1.Activate and share
Do you think human activities can affect animals’ behaviour
If yes, how
Deliberate harm through activities, such as hunting.
Direct but unintended harm to animals through crop production, transportation…
1.Activate and share
motorist
infrastructure
obstacle
hoof
fence
overpass
2. View and learn – new words
the basic systems and structures, like roads and railways
the hard feet of horses and cows
a bridge allowing one road to go over another
a structure surrounding an area
an object which blocks your way
someone who drives a car
View and learn
2. View and learn – main idea
Watch the whole video and summarize the main idea.
2. View and learn – main idea
The video presents different barriers animals face when living in human-built environments, and also offers some solutions.
2. View and learn – details (Part 1)
Watch Part 1 of the video. Tick ( ) the human-made things that affect animals’ lives.
roads underpasses pipelines footbridges painted lines
clear-cut corridors high-tension power lines roads of rocks
underpass
pipeline
2. View and learn – details (Part 1)
footbridge
high-tension power lines
2. View and learn – details (Part 1)
2. View and learn – details (Part 1)
Watch Part 1 of the video. Tick ( ) the human-made things that affect animals’ lives.
roads underpasses pipelines footbridges painted lines
clear-cut corridors high-tension power lines roads of rocks
Read the statements. Then watch Part 2 of the video. Write T (true) or F (false). Explain why.
2. View and learn – details (Part 2)
1. It’s not likely for humans to get rid of roads, power or pipelines now.
2. High-tension power lines, as well as clear-cut corridors, pipelines, roads of rocks and painted lines on the ground do no harm to animals.
3. Even if the barbed wire fence is removed, its stopping power can stick around.
2. View and learn – details (Part 2)
barbed: having a point that is curved backwards 带倒钩的
stick around: stay put (in a certain place) (仍然存在，没有变化)
1. It’s not likely for humans to get rid of roads, power or pipelines now.
2. High-tension power lines, as well as clear-cut corridors, pipelines, roads of rocks and painted lines on the ground do no harm to animals.
One solution would be to get rid of all these obstacles, but we aren’t likely to give up….
T
2. View and learn – details (Part 2)
F
…they may look harmless to us, but many other creatures steer clear.
3. Even if the barbed wire fence is removed, its stopping power can stick around.
Generations of fawns learned to avoid the barbed wire fence, and even with it gone, the lessons live on.
T
2. View and learn – details (Part 2)
In the final part, the speaker introduces some bridges which animals can use to cross the obstacles. Watch and match the animals with their possible bridges.
2. View and learn – details (Part 3)
2. View and learn – details (Part 3)
Animals
Deer
Fish
Crabs
Elephants
Monkeys
Bridges
Overpasses
Underneath
Salmon cannons
Salmon cannon is built to help fish sail past dams on their way upriver.
2. View and learn – details (Part 3)
Animals
Deer
Fish
Crabs
Elephants
Monkeys
Bridges
Overpasses
Underneath
Salmon cannons
Salmon cannon is built to help fish sail past dams on their way upriver.
Watch the whole video. Read the first part of statement below and find a suitable ending from the box on the right to make each statement complete.
2. View and learn – understanding
2. View and learn – understanding
Unintentional fences that may look harmless to us
If many animals are stranded on one side,
Even when we remove physical barriers,
animals still won’t cross the divide.
they will become isolated from food, mates and protection.
are some of the most effective animal barriers.
1. Unintentional fences that may look harmless to us are some of the most effective animal barriers.
2. If many animals are stranded on one side, they will become isolated from food, mates and protection.
3. Even when we remove physical barriers, animals still won’t cross the divide.
2. View and learn – understanding
3. Express yourself
Do you think the bridges mentioned in the video are good enough for animals Why
To some extent, these bridges can help animals cross the barriers, but what matters most is that we should give animal more care, and always think about their needs when building our own structures.
Express yourself
4. Phrases learning
1. Animals are constantly confronted with barriers, ...
be confronted with: be faced with or need to deal with problems or difficult situations
2. …they may look harmless to us, but many other creatures steer clear.
steer clear: try to avoid something
steer clear of somebody / something
3. …, but these animals’ ultraviolet vision may mean that the UV flashes discharging from the cables make for a very scary sight.
make for: cause to happen or to occur as a consequence
Phrases learning
4. And even weird stuff can get in animals’ way.
get in one’s way: block one’s way
get in the way of…
5. Many hoofed animals are hesitant to cross linear features…
be hesitant to do: not willing to do sth. because you are not certain about it.
6. We can bridge mental barriers too, encouraging animals to cross obstacles that would otherwise psych them out.
psych sb. out: make sb. feel less confident to do sth.
4. Phrases learning
Complete the following sentences with the correct form of the phrases.
1. They are like heavyweight boxers, trying to ________________ and build themselves up.
2. Be sure not to let your social activities ________________ your studies.
3. If you _______________ a problem, task, or difficulty, you have to deal with it.
4. I should ________________ Edward he can be a bad influence on me
5. I ________________ talk and had no idea what I should say.
6. Good communication normally ________________ better understanding.
4. Phrases learning – exercise
psych each other out
get in the way of
are confronted with
makes for
was hesitant to
steer clear of
4. Phrases learning – exercise
innovative: introducing or using new ideas, ways of doing sth, etc.
Find out relevant information online and come up with some other innovative ideas that may help animals cross the barriers. Write a short article to introduce your idea.
Homework