用方框中所给单词的适当形式填空，使短文通顺、正确、连贯，每个单词限用一次。
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world,
dirty, from, angry, little, cause, fight, but, keep, even
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Life today is much easier than it was
hundreds of years ago, but it has brought new problems. One of the biggest problems
is pollution. To pollute means to make things {#blank#}1{#/blank#}. Pollution comes in many forms. We see
it, smell it, drink it and {#blank#}2{#/blank#} hear it.
Man is now slowly polluting the whole {#blank#}3{#/blank#}
Air pollution is still the most serious. It's
bad for all living things in the world, {#blank#}4{#/blank#}it
is not the only kind of pollution. Water pollution kills our fish and pollutes
our drinking water. Noise pollution makes us {#blank#}5{#/blank#}more easily.
Many
countries are making rules to {#blank#}6{#/blank#}pollution.
They stop people {#blank#}7{#/blank#}burning coal in houses and factories in
the city, and from putting dirty smoke into the air. Pollution by SO2 is
now the most dangerous kind of air pollution. It is {#blank#}8{#/blank#}by heavy traffic. We are sure that if
there are fewer people driving, there will be {#blank#}9{#/blank#} air pollution.
The Earth is our home. We must take care of
it. That means {#blank#}10{#/blank#}the land, water
and air clean .And we must take care of the rise in pollution at the same time.
