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
Perched among the highlands of western Cameroon, bordered by green mountains and cliff faces, Lake Nyos is a scene of breathtaki
Perched among the highlands of western Cameroon, bordered by green mountains and cliff faces, Lake Nyos is a scene of breathtaki
admin
2010-09-10
44
问题
Perched among the highlands of western Cameroon, bordered by green mountains and cliff faces, Lake Nyos is a scene of breathtaking beauty. But the picture cannot be【B1】______.A detailed study reveals that the lake could release a【B2】______cloud of car bon dioxide, capable of wiping out entire communities around its shores.
The warning, from a team of scientists, comes nearly 20 years after the lake【B3】______an estimated 80m cubic metres of CO2 into the atmosphere. Heavier than air, the cloud of gas rolled down,【B4】______hillsides and villages. Silent and invisible, it【B5】______the air of oxygen, killing hundreds of cattle and claiming the lives of more than 1,700 people up to 26km away. "It was one of the most mysterious【B6】______scientists have ever investigated" said George Kling, an ecologist at the University of Michigan.
Researchers called in after the 1986【B7】______discovered that the lake, which sits atop a volcano, contained record levels of carbon dioxide. Gas bubbling up from the Earth’s magma was under such【B8】______at the bottom of the 200-metres deep lake that it dissolved until it reached max.【B9】______.
To prevent a recurrence, in 2001 engineers installed a pipe to suck CO2 from the bottom of the lake and release it harmlessly into the air.【B10】______. Dr Kling’s team recommends the urgent installation of a further four pipes in each lake at a rate of one a year.【B11】______.
【B8】
选项
答案
pressure
解析
此题考查听特定信息的能力,难度不大。
转载请注明原文地址:https://kaotiyun.com/show/nP87777K
0
大学英语四级
相关试题推荐
A、Discardhisapplicationform.B、Forbidhimtoborrowanyitems.C、Cancelhisvideocard.D、Askhimtoapplyagain.C
A、Soldlotsofthings.B、Soldacomputer.C、Boughtacomputer.D、Boughtnewclothes.C事实题。此题应首先排除A)、B)选项。因为从对话一开始可听到“Iboughtso
Formanypeopletoday,readingisnolongerrelaxation.Tokeepuptheirworktheymustreadletters,reports,tradepublication
Formanypeopletoday,readingisnolongerrelaxation.Tokeepuptheirworktheymustreadletters,reports,tradepublication
Forthispart,youareallowedthirtyminutestowriteacompositiononthetopicIsCelebratingWesternHolidaysAcceptable?Yo
A、MostAsianshavebecomewesternized.B、Asianbusinessmenhavegivenuptheirovalbeliefs.C、Westernbusinessmenmustrespect
Everyeducationsystemisinevitablyamirrorthatreflectsthecultureofthesocietyitisapartof.InmanyWesternsoci
Everyeducationsystemisinevitablyamirrorthatreflectsthecultureofthesocietyitisapartof.InmanyWesternsoci
Everyeducationsystemisinevitablyamirrorthatreflectsthecultureofthesocietyitisapartof.InmanyWesternsoci
随机试题
制茶鲜叶的嫩度与绿茶品质的优次有无关系?
我国公务员考核的等次分为()
=()
以曲线起点、终点为坐标原点,以两端切线为x轴,过原点的曲线半径为y轴,根据曲线上各点的坐标进行测设的方法称为( )。
各种凭证不得随意涂改、刮擦、挖补,若填写有误,应用划线更正法予以更正。()
句号:停止()
在社会主义初级阶段,承认和允许人们在收入方面存在差别,并且在一定时期内收入差距的扩大,有其客观必然性,主要是()
Youngpeoplealwayssufferinrecessions.Employersstop【C1】______thembecausetheyareeasiertosack.Butin【C2】______episodes
SQL中的REVOKE是______命令。
常用的模式分解的等价标准要求分解是具有______的和要求分解是保持函数依赖的。
最新回复
(
0
)