资源简介

(共19张PPT)
新人教版高中英语选择性必修三Unit3 Environmental Protection
Using Language
Unit 3 Environmental Protection
Using Language 1
Talk about air pollution
1.To learn about the origin of “smog” in London, the solutions UK government made to deal with the smog.
2.To grasp the detailed information of the listening material and comprehensive the main idea of the interview by learning listening skills.
3.To express ideas about air pollution: the causes and the solutions by referring to common knowledge.
Learning objectives
Man-made greenhouse gases
What information can you get form this picture
Activity 1 Lead-in
The bridge is in London.
The chimneys are in
a power station.
The burning coal is used to produce elctricity.
What is it
new energy-efficient vehicles 新型节能汽车
energy-efficient adj. 节能的，节约能源的
How do these situations influence your life
These situations influence my life not only by providing electricity for me, and transporting me, but also by polluting the air I breathe.
Lead-in
LISTENING TASK1
Listen to an interview with an air pollution expert and decide whether the statement are true (T) or false (F).
1. The expression"smog" originated in Britain and means a combination of smoke"and fog".
2. Smog became a severe problem in Britain because people at that time burnt lots of fossil fuels.
3.The worst smog in British history happened in London in 1942.
4.The Great Smog of London claimed 5,000 lives.
5. Later the UK government ordered people not to burn wood in their homes.
T
F
√
T
F
√
F
T
√
F
T
√
F
T
√
Listening Tips: How can we listen for a clearer goal
I prefer to listen to the radio for many times, then I will turn to the script to understand it better.
While listening, I will look at the questions first, and then circle the important words. Sometime I will take notes.
Listening Tips: How can we listen for a clearer goal
While listening, we ________ the questions first, and _____ the important words.
Which listening strategy did we use when listening
When there were numbers, we underlined the different numbers and pronounced in advance.
looked at
circle
Listening Mission two: Learn about the measures
[k n sa s] adj. 简明的，简洁的
LISTENING TASK2
Listen again and take notes on what the expert said. Then summarize the information you got from the interview.
Ben Drake, an expert on air pollution, is being interviewed on the radio. He said that smog was a severe problem in
Britain. At that time, Britain was experiencing a boom in industry. Factories and homes , which created smog. He also mentioned the heavy smog in London in 1952. Later the UK government restricted in homes and forced factories to As smog is harmful to everyone, the expert advised us to , use
and further develop .
in the early 20th century
used lots o f coal
was particularly bad and caused over 4000 deaths
burning coal
move away from city centers
replace coal with cleaner forms of energy
new energy-efficient vehicles
green technology
Ss listen again and fill in the blank by summarizing information
heavy smog 重度雾霾
Useful expressions:
choose green travelling; buy electric vehicles; make vehicle restriction policy; planting trees; vehicle emissions; PM 2.5 (Particle Matter 2.5); anti-smog mask; thick/dense smog
Discuss & speak
Work in groups to talk about the causes and measures about air pollution in your city. The following expressions might help you.
引 述 常 识
Sample Answer
As is known to all, we are suffering serious air problems now.
Yes, and it is obvious that vehicle emissions are the major causes.
There is no doubt that the smog has already affected our life, so most people think that we should wear anti-smog masks when we are out.
That’s useful!
戴防雾霾口罩
It’s everyone’s duty to protect our earth!
Here again we are reminded that in nature nothing exists alone.
---Silent Spring
自然界中没有孤立存在的事物。
Homework
Make up a dialogue about environmental protection with your partners, using the common knowledge expressions.
(You can choose one kind of pollution and focus on how to improve it. )
Thank you!

展开更多......

收起↑