Unit 3 Environmental Protection Listening and Speaking 课件（18张，内嵌音频）人教版（2019）选择性必修 第三册

(共18张PPT)
Unit 3 Listening and Speaking
Talk about
Air pollution
What information can you get form the following picture
Air pollution by burning fossil fuels
Air pollution by burning coal
the smog in London
smog
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. How do these situations influence your life
What did you know about “smog”
Is “smog” a main source of pollution
What is it And what do you think about it
Electric automobiles(new energy vehicles) are the breakthrough point for China to develop new energy automobiles.
NEVs
(new energy vehicles)
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
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T
F
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F
T
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F
T
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F
T
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LISTENING TASK1
How to summarize information of the interview
In active listening, summarizing helps you review the key points of a speaker’s message. In order to write a good summary, you must the most important points as you listen. When summarizing, you need to be as as possible and use your own words.
Take notes
Be concise
Use your own words
Listen for the “cue”
take notes
concise
Listen again and take notes on what the expert said. Then summarize the information you got from the interview.
LISTENING TASK2
Ben Drake.an expert on air pollution, is being interviewed on the radio. He said that smog was a severe problem _______________century in Britain. At that time, Britain was experiencing a boom in ___________. 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
industry
used lots of coal
was particularly serious and caused over 4,000 deaths
burning coal
move away from city centers
replace coal with cleaner forms of energy
new energy-efficient vehicles
green technology
Listen again and take notes on what the expert said. Then summaries the information you got from the interview.
LISTENING TASK2
1. Have you experienced heavy smog in the city where you live Have you seen photos of big cities under clouds of smog What is it like
2. What do you think are the major causes of smog in China
3. What measures have the government and citizens taken to help address the problem
Discuss in groups
2. What do you think are the major causes of smog in China
Industry and vehicles are the major causes of smog in China.
Discuss in groups
Heavy reliance of coal as the dominant form of power generation;
严重依赖煤炭作为主要发电形式;
汽车拥有量量高且仍在增长。
High and still growing levels of car ownership.
1. What were the major causes of the smog in Beijing
Coal burning for heating system, industrial production and dust at construction site are blamed for poisonous smog.
Watch a video
2. What measures did the authority and citizens take to address the effects
Residents are asked to reduce outdoors activities for the best of their properties, and wear a mask or take other protective measures if they have to engage in outdoor activities;
Kindergartens, primary schools and middle schools are urged to close;
From this morning till Thursday, half of Beijing’s private cars are ordered to off the road with the odd even number plate system enforced. 13% of government’s vehicles are also garaged.
Watch a video
2. What measures did the authority take to address the effects
The city’s public transportation system has also extended their service time and increased its capacity by sending out more buses and subway trains.
Outdoor construction sites have also ceased operation.
Fireworks and barbecues have also been banned.
Watch a video
Measures
Work in groups and use your note to do “text mining”. List all the useful expressions in listening and video watching.
Talking about causes Talking about government measures Talking about citizen measures
coal burning
production and dust at construction site
Move factories away from city centers/exit chemical plants
replace coal with clean energy
NEVs
private cars are ordered to off the road
government vehicles garaged
public transportation: extend service time & increase capacity
fireworks & BBQ banned
strengthen environmental law
…
wear a mask or take other protective measures
…
Talking Task
How to refer to common knowledge
Speaking
Important sentences
“What other expressions can you think of ”
Everyone knows that ...
We all know that ...
As is known to all, ...
Most people think that ...
There is no doubt that ...
It is obvious that ...
1. Have you experienced heavy smog in the city where you live Have you seen photos of big cities under clouds of smog What is it like
2. What do you think are the major causes of smog in China
3. What measures have the government and citizens taken to help address the problem
Work in groups. Discuss the questions again, and present an oral report “Air Pollution in China” to your group members using the expressions you have “mined”.
Talking Task
Summary
Talk about air pollution
An interview on smog
Smog
Basic information about smog
Smog in London & China:
the causes, impacts and solutions
Important sentences:
referring to common knowledge