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Unit 6
UNIT 6
Earth first
Environmental problems to be solved
To discuss the issue of air pollution using topic-related vocabulary
To learn some listening skills to get useful information
To know how to solve the environmental problems
To learn to interrupt others politely
Are there any environmental problems in your living areas
air pollution
noise pollution
water pollution
soil pollution
global warming / climate change
waste disposal
loss of biodiversity (生物多样性)
deforestation (森林砍伐)
…
What do you know about “smog” Can you say something about its causes and dangerous effects How to prevent it When the smog coming, how to protect ourselves
Smog comes from the words “smoke” and “fog”, and it is used to describe the air pollution in cities caused mainly by traffic and factories. Smog can be dangerous because it causes severe breathing problems and infections.
Listen to the lecture and choose the topics that are covered.
What the word “smog” means.
When the word “smog” appeared.
What caused smog in the past.
What causes smog now.
The effects of smog on the environment.
How governments try to reduce smog.
What will happen if we don’t reduce smog.
Listen again and complete the slides.
Smog in the past
Term created in: _________
Big problem in London:
________________ in December 1952
Causes of the problem: burning too much
coal and ___________
1900s
The Great Smog
no wind
Smog in the present
Causes of the problem:
___________________________ and factories
Measures: rules about using _____________ in factories and _________________________ _________ in the city centre
chemicals coming from traffic
chemicals
requirements of paying to
drive
Talk about what the students say to interrupt the lecturer politely. Listen again if necessary.
How to interrupt others politely Can you list some examples What’s the function of using them
Sorry for interrupting, but …
Excuse me, but can I just ask …
If I could just stop you …
May I ask you something about …
If it is OK to you, can I …
Sorry, but let me interrupt for a minute, please.
Sorry to cut in, but…
Can I say something
May I please interject
I’m sorry to barge in like this, but …
I’m sorry to cut you off, but …　　　　
What other measures can be taken both by government or by us individuals to prevent smog
Work in pairs and talk about recycling.
Student A
Tell Student B about recycling using the information on Page 108. Be prepared to be corrected by Student B.
Please feel free to stop me if you have any questions.
Sorry, I’ve made a mistake.
You’re right, …
I’m afraid …
Well, …
Student B
Listen to Student A talking about recycling. Interrupt politely to correct him/her using the information on Page 111.
Sorry to interrupt, but …
Excuse me, but can I just ask …
Could I just stop you again to check …
Do you mind if I ask another question
Sorry, but I was wondering whether …
Is it OK if I jump in for a second
A polite interruption is usually framed as a request for permission to interrupt someone, often starting with If …, May I … Or Can I … This may be preceded (先于) with an apology such as Sorry, … or Excuse me, … Usually we interrupt someone when they pause for breath, or during the slight pause between spoken clauses.
Here is something you should pay attention to when you need to interrupt others.
Work in pairs. Talk about another environmental problem and have a similar conversation.
1. Students can be divided into small groups and given a new environmental subject (for example, how to treat water pollution or the present of a natural reserve) to make a dialogue.
2. Some groups can make a presentation to the whole class.
Water shortage is a global problem nowadays. It is an essential question for us to think about how to save water. Please give some measures about water-saving.

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