| Whenever we use electricity or drive our cars we may add something bad to the air around us.And even worse,we may cause a terrible problem-acid rain. | |
| The formation of acid rain | When fuels,such as coal and gasoline are burnt,harmful gases are sent into the air.When these gases (54)mix with rain,acid rain forms. |
| The harm of acid rain | Acid rain is greatly (55)harmful to the environment.It makes our rivers,ponds and lakes and oceans dirty and (56)causes the death of fish and plants.And it can corrode (腐蚀) the buildings we live in. |
| The prevention of acid rain | Trying to prevent the pollution that gets into the air is (57)necessary.Keep the electrical appliances off while they are not in use.We can also use different ways of traffic to make less use of fuels. |
| Research tells us that acid rain harms our environment.So people around the world can take small steps now to make a (58)difference to our kids. | |
分析 原文大意:
每次我们打开电视或乘坐汽车,我们可能会引发一个环境问题,那就是酸雨.在这篇文章中,我们将学习一些有关于酸雨的常识.
酸雨的形成.
当人们使用燃料(如煤和汽油)时,会释放有毒气体.当这些气体与雨混在一起,酸雨就形成了.许多发电站燃烧化石燃料以产生电力,供我们每天在家和办公室使用.汽车和卡车在燃烧汽油的过程中也会产生并释放这些气体,然后送入空气中.当雨遇到这些气体时,有害的东西--酸雨就形成了.这就是酸雨形成的过程.
酸雨的危害.
酸雨破坏它所触及的一切.它毒害我们的河流,池塘,湖泊和海洋以及在里边生活的生物.它污染我们的土壤和作物,伤害树木,甚至可以杀死鱼和植物.酸雨也会腐蚀掉我们建筑物.
防止酸雨.
我们需要减少,甚至阻止进入污染气体进入空气.在我们不使用灯,电视和其他电器的时候,应该将它们关闭.尽可能地骑自行车或走路.如果我们旅行很长距离,乘公共汽车或火车以节省燃料.
研究表明,酸雨损害了我们的环境.但是我们可以在日常生活中做点小事,保护环境,为我们的子孙后代创造一个良好的生活环境.
解答 54.mix,推理判断题,文中在酸雨形成部分写到"When these gases come together with rain,acid rain forms",当污染气体与雨水结合后,酸雨就形成了.此时句中用到的是together with,意思为将两种物质放在一起,也就是混合,所以填写mix(混合)用来保证句意相同.
55.harmful,推理判断题,文中写到"As research shows,acid rain harms our environment",根据研究表明酸雨对环境有害,应该填写harm,但此处在空格前是系动词is,且存在副词greatly,可知此处应填写一个形容词,则填写harmful.
56.causes,推理判断题,文中说"It pollutes our soils and crops,harm trees,can even kill fish and plants",表明酸雨对土壤、树木有害,且能够杀死鱼和植物,原文中用"kill"来表示;在此问题中,空格后为"the death of fish and plants",已经说出了影响结果,那就是鱼和植物的死亡,所以空格处应填写"导致",所以填写cause,但此时句子主语为It,所以用第三人称单数causes.
57.necessary,推理判断题,文中原文为"We need to reduce and even stop the pollution that gets into our air",大意是我们需要减少或停止污染大气,在问题中句子以动名词形式作主语,此处缺少修饰词"need",而位于系动词之后的应为形容词,所以填写necessary.
58.difference,推理判断题,文章中提到"But people everywhere can take small steps now to help protect our environment for future generations."我们应该为后代保护环境,也就是从现在开始,我们要做出改变,保护我们的世界,做一些有意义的事,为子孙后代留下一个干净的世界,"make a difference"原意指"有区别,做出改变",在此处符合题意,所以填写difference.
点评 考察同义词、近义词的辨析和应用,此类题应根据具体题意、含义和词性进行选择,适当变换文章中原有词汇,选择正确形式后填写答案.
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