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B) Listen again and complete the sentences.
1 
Acid rain is a result ...
2 It damages ...
3 Cars burn ...
4 Some gases react with ...
5 Acid rain can take the form of ...
g....eomod by the wind
Gases dissolve
In rainwater
To form
Acid
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Ul
-<
c
Ill
6 Governments need to ...
7 It's better to use electric appliances only ...
Rain kilts
PlantUfe, pollutes
Rivers and streams , 1l
And erodes stonework r
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z
4 Choose one of the problems below and discuss it in pairs. Explain:
1 why you find this problem urgent
2 what possible attitudes to this problem can exist
3 if there is anything possible to do to change the situation for the better
4 what in particular you think can be done
shortage of fresh water
waste dumping
air, water and soil pollution
radioactive pollution
global warming
climatic change
burying nuclear wastes
ozone layer destruction and the increase of ultraviolet light
forest destruction and deforestation
endangered plants and animals
excessive exploitation of environmental resources
extinction of species
disruption of ecological balances
overspending of energy resources
forest fires
| t:iJ |
Read and speak on the reasons of the greenhouse effect.
Now scientists are more or less sure about the greenhouse effect, which makes the Earth warmer by trapping energy in the atmosphere because certain gases (carbon dioxide1 methane and some others) prevent heat from escaping into space. Look at the picture and say how people increase the amount of such gases in the atmosphere. Add some more examples to illustrate your answer.
'carbon dioxide [.ka:ban daJ'oksaJd]- syrneKii!Clll-1 ra3
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j
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Date: 2016-03-03; view: 4088
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| PASSIVE VOICE REVISION | | | Ask and answer the questions in pairs. |