18.The world itself is becoming much smaller by using modern traffic and modern communication means(通讯设备).Life today is much easier than it was hundreds of years ago,but it has brought new problems.One of the biggest is pollution.To pollute means to make things dirty.Pollution comes in many ways.We see it,smell it,drink it and even hear it.
Man has been polluting the earth.The more people,the more pollution.Many years ago,the problem was not so serious because there were not so many people.When the land was used up or the river was dirty in one place,Man moved to another place.But this is no longer true.Man is now slowly polluting the whole world.
Air pollution is still the most serious.It's bad for all living things in the world,but it is not the only one kind of pollution.Water pollution kills our fish and pollutes our drinking water.Noise pollution makes us angry more easily.
Many countries are making rules to fight pollution.They stop people from burning coal(煤) 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 caused(引起) by heavy traffic.It is sure that if there are fewer people driving,there will be less air pollution.
The earth is our home.We must take care of it.That means keeping the land,water and air clean.And we must take care of the rise in pollution at the same time.
51.Our world is becoming much smallerB.
A.because the earth is being polluted day and night
B.thanks to science development
C.because of the rise in pollution
D.because the earth is blown away by the wind every year
52.Thousands of years ago,life wasD it is today.
A.much easier than
B.as easy as
C.as hard as
D.much harder than.
53.Pollution comes in many ways.We can even hear it.Here"it"meansC.
A.water pollution
B.air pollution
C.noise pollution
D.rubbish
54.Air pollution is the most serious kind of pollution becauseA.
A.it's bad for all living things in the world.
B.it makes much noise.
C.it makes our rivers and lakes dirty.
D.it makes us angry more easily.
55.Which of the following is NOT true?D
A.Many countries are making rules to fight pollution.
B.The pollution of the earth grows as fast as the world's pollution does.
C.If people could go to work by bus or bike instead of car or motorbike,it would be helpful in fighting against the problem of SO2.
D.The problem of pollution is not so serious because there are not so many people living on the earth.
分析 【文章主旨】这是一篇环保类阅读,短文主要讲的是环境污染方面,先通过今昔对比,引出了对现在污染情况的讨论,作者还表达了自己对污染问题的看法,表明对待污染不能一味的逃避,应该做出积极措施来改善它.
解答 51 B 推理判断题.根据文中第一段中的The world itself is becoming much smaller by using modern traffic and modern communication means(通讯设备).通过使用现代交通和现代通信设备世界本身正变得更小.可知世界是因为科技的进步而变得更小了,故选B.
52 D 细节理解题.根据文中第一段中的Life today is much easier than it was hundreds of years ago可知千百年前的生活比现在的要艰难,故选D.
53 C 推理判断题.根据文中第一段中的Pollution comes in many ways.We see it,smell it,drink it and even hear it.污染来源于各个方面,我们可以看到它,闻到它,喝到它甚至能听到它.可知文中所说的为空气污染,水污染,声污染等,再结合选项故选C.
54 A 细节理解题.根据文中第三段中的Air pollution is still the most serious.It's bad for all living things in the world可知空气污染仍然是最要紧的.因为它对地球上的生灵有害.故选A.
55 D 推理判断题.A选项:可从文中倒数第二段中的Many countries are making rules to fight pollution得到,故排除;B选项:地球受污染的速度和世界受污染的速度的是一样快的,由Man has been polluting the earth…Man is now slowly polluting the whole world.可知,人们污染着地球…人们在逐步污染整个世界,可知B选项正确;C选项:由Pollution by SO2 is now the most dangerous kind of air pollution.It is caused(引起) by heavy traffic.可知 SO2 污染主要是由繁重的交通导致的,结合C选项,可知C正确.故选D.
点评 首先要仔细阅读文章,掌握大意,然后结合具体的题目再读短文,从中找出相关的信息,就可以确定正确答案.