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
10
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] 【19】
选项
A、furthermore
B、ever since
C、therefore
D、then
答案
C
解析
前后为因果关系,所以用therefore。
转载请注明原文地址:http://tihaiku.com/zcyy/4041684.html
相关试题推荐
St.Paulhastransformedsoaringenergycostsintoagoldenopportunityfor
St.Paulhastransformedsoaringenergycostsintoagoldenopportunityfor
St.Paulhastransformedsoaringenergycostsintoagoldenopportunityfor
TheGreek’sloftyattitudetowardscientificresearchandthescientists’co
TheGreek’sloftyattitudetowardscientificresearchandthescientists’co
Historyhasprovedthatman’sunderstandingofnaturalresourcesandhistaping
Pricesdeterminehowresourcesaretobeused.Theyarealsothemeansbywh
Pricesdeterminehowresourcesaretobeused.Theyarealsothemeansbywh
Radiationoccursfromthreenaturalsources:radioactivematerialintheenv
Radiationoccursfromthreenaturalsources:radioactivematerialintheenv
随机试题
[originaltext]InJapan,therearespecialplaygroundsfortheelderly.InI
Thepresidentsaysheintendstoworkwiththenomineetobuilduptheimageof
【S1】[br]【S6】A、providesB、attributesC、absorbsD、attachesA词义辨析题。空格所在句的意思是:适当喝些
AIDS(AcquiredImmuneDeficiencySyndrome)isafataldiseasethatdestroys
一个拥有5万人口的城镇,以往每年夏秋季节发生霍乱病例30例左右,今年夏秋季发生了
检测机构等级评定技术能力评审时,查阅检测报告应不少于()可选参数。A.5%
一种汇率通常有( )位有效数字。A.3 B.4 C.5 D.
“医乃仁术”是指A.道德是医学的本质特征 B.道德是医学活动中的一般现象
(2020年真题)下列计入总价措施项目的是()。A.垂直运输费 B.施工
机械设备安装工程中,生产线的纵、横向中心线以及主要设备的中心线应埋设()的
最新回复
(
0
)