题目内容
阅读下面材料,在空白处填入适当的内容(1个单词)或括号内单词的正确形式。
Life today is much easier than it was hundreds of years ago, but it has brought new problems. One of1.(big) problems is pollution. To pollute2.(mean) to make things dirty. Pollution comes in many forms. We see it, smell it, drink it and even hear it.
Man is now slowly polluting3.whole world. Air pollution is still4.(serious). It's bad for all living things in the world,5.it is not the only kind of pollution. Water pollution kills our fish and pollutes our6.(drink)water. Noise pollution makes us angry7.(easy). Many countries have made rules to fight against pollution. They stop people from burning coal in houses and8.(factory) in the city. Pollution by SO2 is now the most dangerous kind of air pollution It is caused by heavy traffic. We are sure that if there are fewer people driving, there9.(be)less air pollution.
The earth is our home, so we must take care of it. That means keeping the land, water and air clean, and 10.the same time, we must take care of the rise in pollution.