Unit 1 Nature in the balance>Welcome to the unit 课件(共28张PPT，内嵌视频) 译林版 必修第三册

(共28张PPT)
Unit 1 Nature in the balance
Welcome to the unit
Step 1: Lead in
Talk about your favourite English song.
Listen to the song!
the human race_________
do harm (to) ___________
cut down _____________
sound the alarm _____________
be thankful for sth ____________
find the solution (to sth) _________
对…有害
人类
砍伐，砍倒
发出警报
对…感激；为…庆幸
找到解决…的方法
What is the message of the song
What can you do to help protect the environment
Humans have done much harm to the Earth, and we have to take action to change this situation.
Use less paper and fewer plastic bottles and bags.
Cut down on electricity usage.
Plant trees.
Forbid people to pour down the waste into the water.
.......
Comprehension
Discuss the following questions in pairs.
Discussion
What are the rhymes of this song
harm/alarm;
seas/trees;
clean/green;
above/love;
pollution/sollution
Step 2 find the rhymes
Look at these words you have filled in. Do they sound similar
What are the rhyming words in this song
harm/alarm; seas/trees; clean/green; above/love; pollution/solution.
How do you understand “harm” and “alarm”
“Harm” means something bad we have done to the earth, including polluting soils and seas, cutting down too many trees, etc.
“Alarm” means the signal that warns us of the dangers of environmental damage, which urges us to find a solution.
Comprehension
Can you list “harm” that the song has expressed
polluting soils and seas
Cut down too many trees
air pollution
What other harmful activities against environment can you list
trash pollution
overfishing
sound pollution
light pollution
Global warming
Illegal hunting
Food waste
Can you list “alarm” that the song has expressed
1. Be thankful for the skies;
2. Plant new trees;
3. Stop pollution;
4. Find a solution.
Video Time
Why does Copenhagen have such a good environment
但是我们不要过分陶醉于人类对自然界的胜利。对于每一次这样的胜利，自然都会对我们进行报复。
——弗里德里希·恩格斯
Let us not, however, flatter ourselves overmuch on account of our human victories over nature. For each such victory nature takes its revenge on us.
—Fredrich Engels
flatter yourself 自以为是; 高看自己
on account of = because of 因为；由于
take revenge on 报复
flatter ourselves overmuch
on account of
each such victory
take its revenge on sb.
do much harm (to)
sound the alarm
be thankful to sb. for sth.
Welcome to the unit
我们不要过分陶醉
因为、由于（prep.)
每一次这样的胜利
报复某人
对......有害
发出警报
因某事对某人表示感谢
What can you see in these pictures
Watch the video about the promo of World Environment Day. Share how you feel about the world we’re living in.
Find out the wrong behavior in the picture.
noise
pollution
heavy smoke
clear-cut
logging
smoking
shooting birds
littering on the ground
wasting water
letting off off-gas
pouring out
waste water
littering into the water
Watch the video and take notes of how to save our world.
Prsentation
Group work: which solution can you find to protect the environment
...
...
President Xi Jinping has called for garbage classification to help save resources and protect the environment. According to the central government's plan, all major cities are expected to initiate garbage classification.
https://www./video/BV1gt41137Fy share_source=copy_web
垃圾分类
metal 金属
plastic 塑料
glass 玻璃
paper
纸类
expired food
过期食品
food leftovers
剩菜剩饭
fruit peels and cores
果皮渣滓
viscus
禽畜内脏
lamp bulbs
灯泡
paint and containers
油漆
insecticides
杀虫剂
stained papers
卫生纸品
dust
灰尘渣土
disposable goods
一次性用品
cigarette butts
烟头
batteries
电池
Which recycling bins will you put them into
Further Discussion
1.What do you think is the significance of human being’s living in harmony with nature
1. sustainable development
2. a win-win policy for our future generation
2.How can humans live in harmony with nature
Reduce the waste
Recycle the waste
Reuse the resourses
3R
Further Discussion
Thank You !