北师大版（2019）选择性必修 第一册Unit3 Conservation Viewing workshop Crazy Bridges for Animals课件(共35张PPT)

(共35张PPT)
Unit 3
Viewing Workshop
Crazy Bridges for Animals
高二年级英语学科
What
（主题）
How
（形式）
Why
（意义）
作者通过视频让学生关注动物的生存环境，同时反思人类的行为对动物的影响，更深刻的理解人类生存、社会发展与环境的关系。
本课属于“人与自然”主题，视频以动画的形式呈现了动物的生存环境，人造设施对动物习性的影响及其解决办法。
通过让学生观看视频了解动物在自然栖息地环境中面临的一些障碍物，影响了动物们的生活甚至是威胁到了他们的生命。视频的第二部分主要讨论了产生上述现象的原因，主要是人类的一些工程建设，对动物的生活造成了一定的影响。视频的最后一部分主要说明了针对这一现象的解决办法。
文本分析
教
学
目
标
CONTENTS
目 录
1
Activate and share
2
View and learn
3
Express yourself
4
Phrases learning
Activate and Share
01
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.”
1. Activate and share
We may never know the reason since she’s probably never got to the other side.
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
View and learn
02
motorist
infrastructure
obstacle
hoof
fence
overpass
2View 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
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
Express yourself
03
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.
Phrases learning
04
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
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 psych each other out and build themselves up.
2. Be sure not to let your social activities get in the way of your studies.
3. If you are confronted with a problem, task, or difficulty, you have to deal with it.
4. Phrases learning – exercise
4. I should steer clear of Edward he can be a bad influence on me
5. I was hesitant to talk and had no idea what I should say.
6. Good communication normally makes for better understanding.
4. Phrases learning – exercise
innovative: introducing or using new ideas, ways of doing sth, etc.
Homework
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.