首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Acid rain, which is a form of air pollution, currently becomes a subject of great debate because of widespread environmental dam
Acid rain, which is a form of air pollution, currently becomes a subject of great debate because of widespread environmental dam
admin
2013-11-21
52
问题
Acid rain, which is a form of air pollution, currently becomes a subject of great debate because of widespread environmental damage for which it has been blamed. It forms when oxides of sulfur(梳)and nitrogen(氮)combine with atmospheric moisture to yield sulfuric and nitric acids, which may then be carried long distances from their source before they drop in the form of rain. The pollution may also take the form of snow or fog or fall down in dry forms. In fact, although the term "acid rain" has been in use for more than a century — it is derived from atmospheric studies that were made in the region of Manchester, England — the more accurate scientific term would be "acid deposition". The dry form of such deposition is just as damaging to the environment as the liquid form.
The problem of acid rain originated with the Industrial Revolution, and it has been growing ever since. The severity of its effects has long been recognized in local settings, as exemplified by the spells of acid smog in heavily industrialized areas. The widespread destructiveness of acid rain, however, has become evident only in recent decades. One large area that has been studied extensively is northern Europe, where acid rain has eroded structures, injured crops and forests, and threatened life in freshwater lakes. In 1984, for example, environmental reports indicated that almost half of the trees in Germany’s Black Forest had been damaged by acid rain. The northeastern United States and eastern Canada have also been particularly affected by this form of pollution. Damage has also been detected in other areas of these countries and other regions of the world.
Industrial emissions have been blamed as the major cause of acid rain. Because the chemical reactions involved in the production of acid rain in the atmosphere are complex and as yet little understood, industries have tended to challenge such assessments and to stress the need for further studies and because of the cost of pollution reduction, governments have tended to support this attitude. Studies released by the USA government in the early 1980s, however, strongly indicated industries as the main source of acid rain, in the eastern USA and Canada.
According to the passage, acid fog______.
选项
A、falls down when the atmosphere is moist
B、is not as frequent as acid rain
C、often falls in the region of Manchester, England
D、is as damaging as acid rain
答案
D
解析
推理题。根据关键词acid fog定位第一段最后一句The dry form of such deposition is just as damaging to the environment as the liquid form,干性的酸性沉积对环境的破坏作用与液体形式的沉积一样大。这里所说的“固态”形式指上文提到的酸雾、酸雪等。故答案为D项。
转载请注明原文地址:https://kaotiyun.com/show/RtS7777K
0
大学英语四级
相关试题推荐
WhatisanElNinoAnElNinoisatemporarychangeintheclimateofthePacificOcean,intheregionaroundtheequator.Y
NearlyhalfofUSemployersresearchtheonlineprofilesofjobcandidatesonsocialnetworkssuchasFacebook,MySpaceorLinke
Initsvariousformsfromfictiontodocumentary,themotionpicturehasbecomeasignificantelementofcontemporaryculture.I
Newsagencyisalsocallednewsservice【B1】______,whichcollects,writes,anddistributesnewsfromaroundanationortheworl
A、Theweatherwasbetter.B、Theweatherwasalittlebitwarmer.C、Theweatherwasalittlebitcolder.D、Theweatherwascooler
TheAntarcticozone(臭氧)holeischangingweatherpatternsacrosstheSouthernHemisphere(半球),evenaffectingthetropics,scienti
A、AnEthiopianstory-teller.B、AnAfricanshepherd.C、AnArabiamerchant.D、ATurkeycoffeeshop.B文中讲到咖啡从非洲的埃塞俄比亚起源,传说有一天,一位牧羊人
A、Atastore.B、Atthestation.C、Inaschool.D、Inthehospital.C
A、Atthepostoffice.B、Atthepolicestation.C、Attheticketoffice.D、Atthetrainstation.C
A、Shelostherway.B、Shelostherkeys.C、Shelosthercar.D、Shelostherhandbag.B
随机试题
A.出血性炎B.化脓性炎C.纤维素性炎D.浆液性炎E.肉芽肿性炎小叶性肺炎是
A.真虚假实B.真热假寒C.虚实夹杂D.表热里寒心悸胸闷,气短乏力,心前区刺痛频频发作,舌淡紫脉涩者,此属
关于税法解释中,下列说法不正确的是()。
缺口分析法针对特定时段,计算到期资产和到期负债之间的差额,判断商业银行在未来特定时段内的()是否充足。
某大型超市中的几台收银机突然同时发生了网络故障,无法提供收银服务,服务员很抱歉的请排队等候的顾客移至其他收银台完成付款,却发现所有收银台都不可以付款。最终维修人员发现是由于控制室中央设备出现故障导致的。据此可以推断,这个大型超市中收银台网络互连的拓扑结构可
从教学评价的功能看,可将教学评价分为()。
()是个体品德的核心部分。
根据以下资料,回答下列题。如果2008年基本建设投资为5亿元,而2010年的基本建设投资约为()亿元。
①我的整个身心逐渐湿润了,清凉了②巨浪轰然打到堤壁上,又被撞成水花和白雾,飞飘到空中,飞溅到我的身上③郁积在心底的忧愁和烦恼在轰鸣的涛声中化成了轻烟④巨大的浪头互相推挤着,成群结队向我扑来⑤眼前是浩瀚无际的长江人海口
公民是指具有一个国家的国籍,并根据该国宪法和法律规定,享受权利和承担义务的自然人。根据我国宪法规定,下列选项中既是公民的权利又是义务的有()
最新回复
(
0
)