先阅读短文，然后根据短文内容从方框内所给的单词中选择恰当的词（注意词形变化）填入短文空白处，使短文完整、通顺。一词只用一次，一空限填一词。方框中有两个词是多余的。将能填入空白处的答案写在答题卡上的相应题号后。
The world itself is being much smaller by using modern traffic and modern munication. Life today is much 【小题1】 than it was hundreds of years ago, but it has brought new problems. One of the biggest is 【小题2】 . To pollute means to make things dirty. Pollution es in many ways. We see it, drink it and even hear it.
Man has been polluting the earth. The more people are, the more pollution is. Many years ago, the problem was not so 【小题3】 because there were not so many people. When the land was 【小题4】 up or the river was dirty in a place, men moved to another one. But this is no 【小题5】 true. Man is now slowly pollution the 【小题6】 world.
Air pollution is still the most serious. It’s bad to all living things in the world, but it is not 【小题7】 one kind of pollution. Water pollution 【小题8】 our fish and pollutes our drinking water. Noise pollution makes us bee angry more easily.
Many countries are making rules to 【小题9】 pollution. They stop the people from burning coal in houses and factories in the city, and from blowing dirty smoke into the air. The pollution of SO2 is now the most dangerous problem of air pollution. It is caused by heavy traffic. It is certain that if there are fewer people driving, there will be 【小题10】 air pollution.
The earth is our home. We must take care of it. That means 【小题11】 the land, water and air clean. easier
网友回答
(答案→)easier
解析：
【小题1】本句的含义为现今的生活比数百年前更容易，故本句空格处填更容易的单词easier。
【小题2】本句的含义为最大的问题之一就是污染，故本句空格处填污染的名词形式pollution。
【小题3】本句的含义为许多年前，污染不是如此严重，因为没有如此多的人，故本句空格处填严重的形容词serious。
【小题4】本句的含义为当土地被使用完，河流脏了，人们就搬到另一个地方，故本句空格处填被使用的单词used。
【小题5】本句的含义为人类的生活对环境构成污染不再是事实了，no longer表示不再的含义，故本句空格处填nolonger。
【小题6】本句的含义为整个世界现在人类对环境慢慢地构成污染，故本句空格处填整个的单词whole。
【小题7】本句的含义为污染不仅仅只有空气污染，故本句空格处填仅仅的单词only。
【小题8】本句的含义为水污染杀死了我们的鱼和污染了我们的饮用水，故本句空格处填杀死的单词kills。
【小题9】本句的含义为许多国家制定规则抗击污染，故本句空格处填抗击的动词fight。
【小题10】本句的含义为如果有更少的人驾驶，将会有更少的空气污染，修饰不可数名词用less表示更少的含义，故本句空格处填less。
【小题11】本句的含义为那意味着我们要不断地使我们的陆地，水和空气干净，mean doing 表示意味着做某事的含义，故本句空格处填keeping。