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
2025-04-17
14
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] 【14】
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:http://tihaiku.com/zcyy/4041679.html
相关试题推荐
Thecollaborationamongscientists,universitiesandindustryisnotnew.Bo
Thecollaborationamongscientists,universitiesandindustryisnotnew.Bo
Thecollaborationamongscientists,universitiesandindustryisnotnew.Bo
Scientistsuseobservationandexperimentationtoexamineaspecificconcept____
ScientistsonTuesdaypushedthehandsoftheinfamous"DoomsdayClock"forward
Theprogrammeaimstomakethecountry______infoodandtocutenergyimports.A、
Scientistsaresearchingforwaystodestroynuclearweaponsinspace—tomak
Scientistsaresearchingforwaystodestroynuclearweaponsinspace—tomak
Scientistsaresearchingforwaystodestroynuclearweaponsinspace—tomak
Themoretimescientistsspenddesigningcomputersthemoretheymarvelatt
随机试题
Theterm"corporatetransparency"hasbecomeratherfashionable.Thebelief
Hisgoodsenseofhumormadeadeepimpression______us.A、inB、onC、forD、toBmak
[originaltext]W:I’vejustfinishedreadingSteve’slistofwaysofmotivatinge
关于卷材防水层厚度,下列说法正确的是( )。A.高聚物改性沥青防水卷材单层使用
下列关于地下人防工程安全疏散距离的条文说法错误的是()。A.房间内远点至房间
心博骤停患者最重要的诊断依据是()。A.无呼吸动作 B.意识突然丧失 C.颈
在()规划建设中,应充分考虑继电保护的适应性。(A)二次系统(B)变电
甲、乙二人分蛋糕,甲先切去蛋糕的1/3,乙再切去剩下的1/2;甲又切去剩下的1/
甲企业2016年12月末的“原材料”账户余额为100000元,“材料成本差异”账
(2021年真题)甲公司为增值税一般纳税人。2020年1至6月发生无形资产相关交
最新回复
(
0
)