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
54
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
AtallGreenwellGeneralHospitallocations,visitorsandvisitinghourswillbedecidedbythepatientandhealthcareteampri
DearMr.Smith,IamwritingtoapplyfortheprogrammerpositionadvertisedinJobsNow.Asrequested,Iamnowenclo
A、Hissalesreport.B、Histravelingschedule.C、Hisbook.D、Hispresentation.C问题问的是“女士想和史密斯先生讨论什么”。根据对话内容可知,女士说想和史密斯先生讨论他书的出版问题
A、Themanwillgoalone.B、Thewomanwillgohome.C、Theywillgotogether.D、Theywon’tgotogether.C问题问的是两个对话者决定要做什么。根据男士所说Le
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
Theworld’srainforestscoverlessthantenpercentoftheearth’ssurface,butcontainoverfortypercentofallplantandanim
Imustadmitthatthesituationis(difficult)________thanIthoughtitwouldbe.
Ifyouthinkyouhaveapuncture(漏气),firstcheckthevalve(气阀)tomakesureairisnotleakingfromit,byputtingspitonthe
A、One.B、Two.C、Three.D、Four.C若听懂第一句话"Threewayswearefoundtokeepmeatfromspoiling:salting,drying,andfreezing.”就可以知道“保存
随机试题
Undernocircumstances________ourfamilymembersandgoodfriends.
InthisageofInternetchat,videogamesandrealitytelevision,thereisnoshortageofmindlessactivitiestokeepachildocc
A、铜B、硒C、锌D、铁E、碘地方性甲状腺肿是由于缺乏微量元素
孕产妇病死率较低的疾病是
关于河南省自然环境特点的叙述不正确的是()。
简述知识学习与技能学习的关系。
能够从上述资料推出的是:
一篇文章的体例(以及界定文章体例的职业系统规则)就是一个具体的背景,有它的潜规则,要求你(这种语言)只能以这种面目示人。语言的丰富复调依然还存在,只是在这个语境下被掩藏了。只要操持语言的人保有足够的能力,它就会自然重现在另一个语境中。文段中“潜规则”是指(
电商举行元旦促销活动,甲商家全场购物七五折,乙商家实行每满300减100。促销前,某本教材在两家定价均为20元,学习委员要为班级50名同学每人订购一本教材,则每本教材平均费用至少为()。
WhenIwasabout11,Iinheritedmyolderbrother’spaperroute.Itwasagoodjob,thoughitmeanswakingupatthecrackofd
最新回复
(
0
)