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
43
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、is
B、was
C、were
D、be
答案
C
解析
这里我们应辨清这是一个表示假设情况的虚拟语气,表示“如果机动车辆是里用的是无铅汽油,那么过滤掉废气将是可能的……”。故不能选A项is,B项was以及D项be。
转载请注明原文地址:https://kaotiyun.com/show/1cqK777K
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
A、Ithinkso.B、Noproblem.C、Afteryou.D、Soundsgood.B题干问的是“汤姆,你能帮我搬一下箱子吗”,可知接下来要回答能不能帮忙。只有B项Noproblem“没问题”符合题意,故选B。
A、$90.B、$130.C、$525.D、$230.D问题问的是男士一晚上要付多少钱。根据女士所说So,twosingleroomsat$40anightandthreedoubleroomsat$50anight可
A、Classicalgroup.B、Popgroup.C、Jazzgroup.D、Rockgroup.B问题问的是FoolsGarden是什么。根据女士所说Theyareapopgroup可知,FoolsGarden是个流行乐
Hesometimesdoes(add)________workonweekendsintheoffice.
A、He’sfromAmerica.B、He’sverykind.C、Don’tmentionit.D、Goodlucktoyou.B本题考查对询问态度的特殊疑问句的回答。对于此类问题,一般直接回答观点态度即可。题目问:“你认为我
假定你是学校的实习生带队老师Helen,暑假将有一批学生跟随你去广州实习,请写一个通知,简单介绍一下实习期间需要注意的事项。内容主要包括:1.实习期间要服从带队老师的安排;2.严格遵守实习单位的规章制度;3.实习期间学生不能私自出游,如有特殊情况
Thiscompanybringsabout30millionyuanineconomicbenefits(annual)________.
Theworld’srainforestscoverlessthantenpercentoftheearth’ssurface,butcontainoverfortypercentofallplantandanim
themonkey由材料中第一句话可知。
随机试题
自然派
可用阴阳互根互用关系说明的有
下列哪种疾病触诊语颤消失
乙型脑炎病毒下列哪项描述不正确
按照《建设项目环境保护管理条例》的规定,建设单位应当在( )报批环评文件。
某商品原报单价为:CIFC2%NewYorkUSD3000/MT,外商要求将佣金率提高至5%,在保持我方净收入不变的情况下,应如何报价?(保留两位小数)
我国政府明令禁止进口的货物包括:列入由国务院对外贸易主管部门或由其会同国务院有关部门制定的《禁止进口货物目录》的商品和国家有关法律、法规明令禁止进口的商品以及其他各种原因停止进口的商品。请指出以下哪些属于国家禁止进口的货物:
公民、法人和其他组织对()不服,不能申请劳动保障行政复议。
体内有性质明确、部位具体的异常知觉,属于()。
Justlikechildren,deeroftencrossBritishroadstogettotheotherside.Butthecostisthedeer’slife.Atnight,【S1】____
最新回复
(
0
)