首页
登录
职称英语
Perched among the highlands of western Cameroon, bordered by green mountains
Perched among the highlands of western Cameroon, bordered by green mountains
游客
2023-07-23
13
管理
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】______. [br] 【B6】
选项
答案
disasters
解析
此题考查听特定信息的能力,解题的关键在于对于单词的正确反应,注意这里为复数。
转载请注明原文地址:https://www.tihaiku.com/zcyy/2860894.html
相关试题推荐
[originaltext][32]NewEnglandisanareaofmountains,valleys,andrivers
[originaltext][32]NewEnglandisanareaofmountains,valleys,andrivers
PerchedamongthehighlandsofwesternCameroon,borderedbygreenmountains
PerchedamongthehighlandsofwesternCameroon,borderedbygreenmountains
PerchedamongthehighlandsofwesternCameroon,borderedbygreenmountains
PerchedamongthehighlandsofwesternCameroon,borderedbygreenmountains
PerchedamongthehighlandsofwesternCameroon,borderedbygreenmountains
[originaltext]CamerooninWestAfricaisanationof24separatelanguages
[originaltext]CamerooninWestAfricaisanationof24separatelanguages
[originaltext][32]NewEnglandisanareaofmountains,valleys,andrivers
随机试题
Whyaretheresomanycorporateabusestoday?[br][originaltext]W:Joiningus
Peopleusetheword"unidentified"todescribethereportedflyingobjectsbecau
TheCommonwealthofAustraliaisaFeder
治疗喉癌的主要手段是A.生物治疗 B.化学药物治疗 C.放射治疗 D.免疫
外散风热,内疏肝郁,且有利咽透疹之功的药物是()。A.柴胡B.薄荷C.菊花D.
某投资者拟以一次性付款的方式购买价格为1200万元的一出租公寓20年的经营收益权
在马克思看来,“自然界是人为了不致死亡而必须与之不断交往的、人的身体。所谓人的肉
对肝硬化门静脉髙压症具有特征性诊断意义的临床表现是 A.脾大B.肝肿大C.
项目达到设计能力后的一个正常年份的年利润总额与项目总投资的比率,称为()。A.
德育就是品德教育。()
最新回复
(
0
)