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
All over Europe, and in North America, there’re lakes and forests which are dead or (71) and the (72) is thought to be acid
All over Europe, and in North America, there’re lakes and forests which are dead or (71) and the (72) is thought to be acid
admin
2010-01-11
56
问题
All over Europe, and in North America, there’re lakes and forests which are dead or (71) and the (72) is thought to be acid rain. What is acid rain? Mr. Justin Cook, a scientist, explains: "All fossil fuels, (矿物燃料),that (73) oil, coal and gas, contain sulphur. When these are burnt, for example (74) motor vehicles, they form sulphuric acid (硫酸)This (75) UP into the air, and soon it falls back to (76) , into lakes and (77) trees in forests." This can cause many local problems. 78 a result, lakes become acidic, fish disappear and trees are killed. The pollution is carried great distances by the wind, so sulphuric acid (79) in Britain can travel as far as Scandinavia (斯堪的纳维亚). Czech is one of the countries with the most acid rains and large areas of (80) consist only (81) dead trees.
Is there (82) that can be done about acid rain? Mr. cook says: "The rain (83) of acid rain is (84) power stations to install filters that (85) the acid getting out into the air. Here in Britain, the only (86) that has been taken is that the chimneys are built (87) so that the pollution is more distributed." If the petrol used in motor vehicles (88) lead--free, then it Would be possible to filter exhaust fuses (废气) which are a (89) cause of pollution. But these filter mechanisms (机械装置)can not work (90) the leads is removed.
选项
A、resource
B、source
C、starting
D、reason
答案
B
解析
句意:主要的酸雨来源是来自于……。四项中A项表示“资源,物力,财力”,多以复数形式出现;B项表示“来源,源头”;C项表示“开端,开始”;D项表示“起因,原因”,因此,我们确定B为正确答案。
转载请注明原文地址:https://kaotiyun.com/show/GcqK777K
本试题收录于:
大学英语三级A级题库大学英语三级分类
0
大学英语三级A级
大学英语三级
相关试题推荐
A—AnnualleaveB—SickleaveC—BackgroundscreeningD—BigdataE—ChildlaborF—Contractofservice
A、Heisonsickleave.B、Heisinameeting.C、Heisonabusinesstrip.D、Heisonvacation.B问题问的是“史密斯先生现在为什么没空”。根据对话内容可知,男士说史
A、Atthemanager’soffice.B、Attheticketwindow.C、Atthegiftstore.D、Atthereceptiondesk.D问题问的是“男士在哪里可以租到语音导游器”。通过对话内容可
A、Atabookstore.B、Inahotel.C、Attheairport.D、Oncampus.C问题问的是对话可能发生的地点。根据男士所说Iamheretopickyouup和女士所说Thanksforc
PeopleintheUnitedStateslovetheirdogsandtreatthemwell.Theyusemanyexpressionswiththeword"dog".Herearesomeex
PartyA:ShanghaiInternationalTradeCorporationPartyB:BritishAARBankGroupJVCompany:AARTradeCompanyNotes:A
A、Yes,Ilookpale.B、No,I’vegotaheadache.C、That’sallright.D、Don’tmentionit.B问题问的是你看起来脸色苍白,你没事吧?回答be动词引导的一般疑问句需要用Yes
ThereareseveralwaysinwhichAmericandiningcustomsaredifferentfromthoseinotherpartsoftheworld.Aguestinvitedto
A、One.B、Two.C、Three.D、Four.BHowmanyexaminationsdoesthewomanhave?
(71)Developmentsintwomaterials--ironandconcrete--formedthetechnologicalbasisformuchmodernarchitecture.In1779Engli
随机试题
假定一个盘组共有100个柱面,每个柱面有8个磁道,每个盘面分成8个扇区。则整个磁盘存储空间共有_______个存储块。
关于腹股沟疝,下列哪项是错误的
下列预防性树脂充填操作中哪项是错误的
下列关于长期投资决策方法的描述中,错误的是:()。
下列不属于机械幅度差的是()。
假设公司的业绩和总经理的管理有关,按照权变理论,总经理应加以改变的方面有( )。由于公司没有新的起色,公司的总经理在领导技能方面就需要发展,主要途径是( )。
根据《商业银行风险监管核心指标》,我国银行机构的全部关联度,即全部关联授信与资本净额之比,不应高于()。
社会主义道德建设的核心是为人民服务。()
—Hello,Alice.You______veryhappy.—Yes.Iamhappy.Myparentsarecomingtoseemetomorrow.
ItispuzzlingtoobservethatJones’snovelhasrecentlybeencriticizedforits(i)____structure,sincecommentatorshavetra
最新回复
(
0
)