首页
登录
职称英语
Recently scientists have been【1】and perfecting other sources of energy: nucl
Recently scientists have been【1】and perfecting other sources of energy: nucl
游客
2025-05-04
36
管理
问题
Recently scientists have been【1】and perfecting other sources of energy: nuclear or atomic power, solar (sun) power, and synthetic (manmade) fuels. Nuclear power can offer some【2】, but fear of contamination【3】its use. The Three Mile Island【4】in Pennsylvania in 1979, when atomic waste material escaped【5】atmosphere, limited power plant construction【6】【7】, scientists are doing research to discover other sources of fuel.【8】, some scientists have added alcohol to gasoline to conserve fuel.【9】, this research is still in the developmental【10】
The sun, from which nearly all energy【11】, is another solution【12】the energy crisis. Solar power is growing rapidly in popularity. All other fuels will【13】out after a period of years; the sun’s power is limitless.【14】burning any fuel—oil, coal, or wood—causes pollution, solar energy does not.【15】, no nation on earth has a corner【16】the solar market;【17】, no country has control 【18】the sun. Although solar energy is increasing in popularity, it is still impractical and very expensive, and【19】not widely used.
One immediate and viable (practical) solution, to the problem is conservation. We now have federal regulations【20】the winter temperature in public buildings to 65 degrees. [br]
选项
A、Although
B、Since
C、If
D、When
答案
A
解析
前后句意转折,句意是“尽管其他能源的燃烧都会引起污染,但太阳能不会”。
转载请注明原文地址:https://tihaiku.com/zcyy/4061013.html
相关试题推荐
Recentlyscientistshavebeen【1】andperfectingothersourcesofenergy:nucl
Recentlyscientistshavebeen【1】andperfectingothersourcesofenergy:nucl
Recentlyscientistshavebeen【1】andperfectingothersourcesofenergy:nucl
Recentlyscientistshavebeen【1】andperfectingothersourcesofenergy:nucl
Recentlyscientistshavebeen【1】andperfectingothersourcesofenergy:nucl
Recentlyscientistshavebeen【1】andperfectingothersourcesofenergy:nucl
Recentlyscientistshavebeen【1】andperfectingothersourcesofenergy:nucl
Recentlyscientistshavebeen【1】andperfectingothersourcesofenergy:nucl
Recentlyscientistshavebeen【1】andperfectingothersourcesofenergy:nucl
Recentlyscientistshavebeen【1】andperfectingothersourcesofenergy:nucl
随机试题
Largecompaniesneedwaytoreachthesavingsofthepublic.Thesameproblem,o
Lookatthenotesbelow.Youwillhearamantelephoningabusinesscent
AdamSmith,writinginthe1770s,wasthefirstpersontoseetheimportance
[originaltext]Whichofthefollowingisnotmentionedasafavorablefactorcon
Manistheonlyanimalthatlaughs.Whyisthistrue?Whatmakesusrespond
竣工图仅由施工单位负责审核编制。()
为52.0kg,对照组参考酪蛋白的摄入量为30.0kg,动物增重为78.0Kg。
格拉夫卵泡颗粒细胞的营养来自A.卵泡外膜 B.卵泡内膜 C.卵泡腔 D.卵
我国古代哲学思想中有“天地成于元气,万物成于天地”的说法,认为“元气”是构成天地
患者女性,因发热,体温38.9℃入院,呈贫血貌,全身散在出血点,瘀斑,口腔多发溃
最新回复
(
0
)