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
19
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] 【B1】
选项
答案
trusted
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,抓住该词前的“cannot be”,用动词的被动语态。
转载请注明原文地址:https://www.tihaiku.com/zcyy/2860889.html
相关试题推荐
PerchedamongthehighlandsofwesternCameroon,borderedbygreenmountains
PerchedamongthehighlandsofwesternCameroon,borderedbygreenmountains
PerchedamongthehighlandsofwesternCameroon,borderedbygreenmountains
PerchedamongthehighlandsofwesternCameroon,borderedbygreenmountains
PerchedamongthehighlandsofwesternCameroon,borderedbygreenmountains
[originaltext]CamerooninWestAfricaisanationof24separatelanguages
[originaltext]CamerooninWestAfricaisanationof24separatelanguages
[originaltext][32]NewEnglandisanareaofmountains,valleys,andrivers
[originaltext][32]NewEnglandisanareaofmountains,valleys,andrivers
[originaltext]NewEnglandisanareaofmountains,valleys,andrivers.It
随机试题
【S1】[br]【S9】nervous→nerves词性错误。nervous是形容词,表示“紧张的”,而此处需要一个名词,所以应将nervous改为nerv
Beijing’slocaleducationauthoritycompiledalistof"potentialsecurityp
Pricesdeterminehow【S1】______aretobeused.Theyarealsothemeansbyw
男,56岁。右颊黏膜鳞癌局部扩大切除+颈淋巴清扫术,并采用前臂皮瓣修复颊黏膜缺损
下列各项中不属于科技创新统计的内容是( )。A.R&D经费内部支出 B.专利
( ),我国颁布了《创业投资企业管理暂行办法》。A.2005年11月 B.2
从所给的四个选项中,选择最合适的一个填入问号处,使之呈现一定的规律性:
圈养动物是比野生动物更有意思的研究对象。因此,研究人员从研究圈养动物中能够比从研
公开发行企业债券必须满足股份有限公司的净资产额不低于人民币()万元,有限责任公司
在声环境影响评价中,当声源最大几何尺寸()时,可将声源近似为点声源。A.远远小于
最新回复
(
0
)