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
28
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] 【B3】
选项
答案
discharged
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://tihaiku.com/zcyy/2860891.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
PerchedamongthehighlandsofwesternCameroon,borderedbygreenmountains
[originaltext]CamerooninWestAfricaisanationof24separatelanguages
[originaltext]CamerooninWestAfricaisanationof24separatelanguages
随机试题
[originaltext]W:Wow,youmusthavehad5hamburgersalready.Andthefootball
[originaltext]W:DidyougotothematchonSaturday,Bill?M:No,Alice.Ilis
说明假定你是秘书JaneSwift,写信给酒店预订宴会,并询问相关情况。内容:1.从报纸上读到该酒店2.公司计划12月15日晚上在西湖酒店开年
Somestudentsarenotadequatelypreparedforcollege.Shouldweturnthema
依据公路水运工程淘汰危及生产安全施工工艺、设备和材料目录,下列不属于淘汰类型为限
公关协会的主要活动内容有A.联络会员 B.规范公关道德 C.专业培训 D.
超声医学
下列哪一项不是呼吸链的组成成分A.CQ B.NADPH C.FAD D.F
某肝癌患者病情已到晚期,处于极度痛苦之中,自认为是肝硬化,寄希望于治疗,病情进展
导致路基压实度不能满足质量标准要求,甚至局部出现“弹簧”现象的原因是()。A.
最新回复
(
0
)