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
35
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、searching
B、locating
C、finding
D、developing
答案
D
解析
与perfect相照应,应选develop,即“开发并完善”。
转载请注明原文地址:https://tihaiku.com/zcyy/4061000.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
Awayfromtheirprofession,scientistsareinherentlynomorehonestorethical
随机试题
ANiceCupofTeaTheLegendaryOriginsofTeaA)Thestoryofteabegan
Thedirectorrecommendedshe______Englishbeforegoingabroad.A、havetostudyB、
[originaltext]AnewstudybyAmericanInstitutesforResearchfoundthatmoret
PassageTwo[br]WhatwastheresultofthefightbetweenSmiley’sdogandthed
Onlytwoanimalshaveenteredthehumanhouseholdotherwisethanasprisoner
福费廷是指包买商从()那里无追索地购买已经承兑的,并通常由进口商所在地银行担保
5、低压不停电工作。工作时,应戴(),站在干燥的绝缘物上进行。 A.护目镜
A.肯定 B.很可能 C.可能 D.可能无关 E.无法评价药品不良反应(
企业亏损补贴与价格补贴之间的区别有()。A.价格补贴是行政性补贴,企业亏损
复核工程量是投标人编制投标报价前的一项重要工作。通过复核工程量,便于投标人(
最新回复
(
0
)