首页
登录
职称英语
The search for a cheap alternative fuel has led American scientists to study the
The search for a cheap alternative fuel has led American scientists to study the
游客
2024-10-21
0
管理
问题
The search for a cheap alternative fuel has led American scientists to study the potential of ______.
The search for a cheap alternative fuel to take the place of petroleum has led American scientists to study the potential of pond water. They are interested in a green scum known as algae that forms on the surface of stagnant pools. Helen Briggs reports from Washington: "Scientists have found a way of harnessing the natural ability of algae under certain conditions to make pure hydrogen gas from sunlight and water? The researches based in California and Colorado describe the new discovery as the equivalent of striking oil. But there are still big obstacles to be overcome. The technique’s only been tried on a small scale in a laboratory and to be commercially viable, use of hydrogen and gas must be increased by a factor of ten. If they do manage to make the process work, perhaps in 20 years’ time, researchers say a small pond of algae could produce enough hydrogen gas to meet the weekly fuel needs for a dozen or so cars.
选项
A、sunlight
B、pure hydrogen gas
C、pond water
D、small stream
答案
C
解析
抓住句子"The search for a cheap alternative...study the potential of pond water."。
转载请注明原文地址:https://tihaiku.com/zcyy/3811124.html
相关试题推荐
HowmanyChineseAmericansarethereintheU.S.today?[br][originaltext]M:P
HowmanyChineseAmericansarethereintheU.S.today?[originaltext]M:Profess
Thescientistshaveabsolutefreedomastowhatresearchtheythinkitbestto_
Whatisthispassagemainlyabout?[originaltext]Scientistssaysharkshave
Today,theworldwidewebcanbeusedbothtosearchinformationandtomak
Today,theworldwidewebcanbeusedbothtosearchinformationandtomak
Today,theworldwidewebcanbeusedbothtosearchinformationandtomak
Today,theworldwidewebcanbeusedbothtosearchinformationandtomak
Today,theworldwidewebcanbeusedbothtosearchinformationandtomak
Today,theworldwidewebcanbeusedbothtosearchinformationandtomak
随机试题
以下哪个作品出自元代()。A.长生殿 B.南柯记 C.牡丹亭 D.倩
1999年夏季某校发现急性肠道疾病流行,暴露总人口有4889人,经调查诊断发病共
在审查母公司编制的合并财务报表时,审计人员为判断某被投资单位是否应纳入合并范围,
COPD患者进行缩唇呼吸训练的目的是A.减少疼痛 B.避免小气道塌陷 C.提
地市公司变电运维班应开展变电站( )工作运行维护$;$运维管理$;$日常管理$;
( )是国家最高权力机关根据政治、经济的要求,明令颁布实行的一定历史阶段教育工
按照企业规模对公司信贷客户市场进行细分,中型工业企业必须满足()的条件。A.从业
负责组织国家中药保护品种的技术审查和审评工作的是A.药品评价中心 B.国家中药
常用的增塑剂是() 片剂的薄膜包衣材料通常由高分子成膜材料组成,并可添加增塑剂
继发性肺结核最常见的是哪种类型A.纤维空洞型肺结核 B.原发综合征 C.结核
最新回复
(
0
)