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
22
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
TRAININGOPPORTUNITIESFORLOCALBUSINESSESAseriesof
[originaltext]Rightuptothe19thCentury,OxfordandCambridgeweretheo
BanSugaryDrinks—ThatWillAddFueltotheObesityWarA)Onatrain
SocialHistoryoftheEastEndofLondon1.1st-4thcenturiesProducefromthe
Allthekeywordsinthearticleareprintedinboldtype______(以便吸引读者的注意).so
如果某一项目的项目期为5年,项目总投资额为850万元,每年现金净流量分别为120
建设单位应当将大型的人员密集场所和其他特殊建筑工程的消防设计文件报送公安机关消防
A.面、四肢对称性靶形红斑 B.面部突出部蝶形红斑 C.四肢紫色扁平丘疹
陈某在8月1日向李某发出一份传真,称其出售房屋一套,面积90平方米,价款260万
妊娠、糖尿病及常用广谱抗生素者易发生A.滴虫性阴道炎 B.真菌性阴道炎 C.
最新回复
(
0
)