One of the (1).most....popular approach to pollution reduction is to take advantage of technological advancement.We hear that advanced (2)..to.....is able to save us from the highly unpleasant and harmful pollution.Therefore,the pollution decrease is very important (4)..for.......the enviroment potection.The use(5)...jam...as coal,oil,gas can be exhausted in the future.However,scientist have(6) research on alternative sources of power.Most advanced types of clean power are solar and wind(7)..power......Solar and(8)...they.......are currently being widely introduced in a lot of parts of the world,with support from the local governments.The (9)...most.....advantage of these two types of energy is that it is convenient for people to install a windmill or several solar panels in(10)..the......backyard or on the roof.

1 is

2 he

4 are

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6 the

7 jam

8 there

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10 ofen