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
27
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] 【10】
选项
A、time
B、course
C、stage
D、progress
答案
C
解析
developmental stage意为“开发阶段”。
转载请注明原文地址:http://tihaiku.com/zcyy/4041675.html
相关试题推荐
Weneedtomakesurethatwe______ourresourcesasfullyaspossible.A、useB、exp
Thecollaborationamongscientists,universitiesandindustryisnotnew.Bo
Thecollaborationamongscientists,universitiesandindustryisnotnew.Bo
Scientistsuseobservationandexperimentationtoexamineaspecificconcept____
Ifhalftheenergythatgoesintoviolentactswereputtogooduse,ifoureffo
Theprogrammeaimstomakethecountry______infoodandtocutenergyimports.A、
Scientistsaresearchingforwaystodestroynuclearweaponsinspace—tomak
Scientistsaresearchingforwaystodestroynuclearweaponsinspace—tomak
Scientistsaresearchingforwaystodestroynuclearweaponsinspace—tomak
Themoretimescientistsspenddesigningcomputersthemoretheymarvelatt
随机试题
Ofallthewebsites,onethathasattractedattentionrecentlyismyspace,
Animalsreacttothechangingseasonswithchangesinmoodandbehaviorandh
[originaltext]PatriciaReidisnotinher70s,anagewhenmanyAmericansc
TricksoftheTrade[A]Aschildren,wearetaughtthatwork
针对大型IT项目,下列选项中( )是不正确的。A.大型IT项目一般是在需求不十
A.青霉素 B.吗啡 C.去甲肾上腺素 D.β受体激动药 E.地塞米松支
药检室一般常用的常量滴定管容量最小刻度分别为A.25或50ml、0.1ml B
要求在(21±10)℃的水中3分钟即可崩解分散的片剂是A.多层片 B.分散片
由空气传播的致病微生物有A.丁肝病毒 B.丙肝病毒 C.乙肝病毒
关于现金等价物特点的说法,错误的是()。A.期限短 B.流动性强 C.易于转
最新回复
(
0
)