首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Recently scientists have been【1】and perfecting other sources of energy: nuclear or atomic power, solar(sun)power, and synthetic(
Recently scientists have been【1】and perfecting other sources of energy: nuclear or atomic power, solar(sun)power, and synthetic(
admin
2013-11-24
24
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.
【4】
选项
A、event
B、incident
C、accident
D、happening
答案
C
解析
由后句可知这是一起核泄漏事故,所以用accident。event,incident和hap—pening都没有这种意义。
转载请注明原文地址:https://kaotiyun.com/show/PbhO777K
0
考博英语
相关试题推荐
Engineeringstudentsaresupposedtobeexamplesofpracticalityandrationality,butwhenitcomestomycollegeeducationIam
Timeforanotherglobal-competitivenessalert.IntheThirdInternationalMathematicsandScienceStudy—whichlastyeartesteda
Dianamadealotofefforttopersuadeherparentsinto____tohergoingtotheUnitedStatestostudybusinessadministrationin
Inatelephonesurveyofmorethan2,000adults.21%saidtheybelievedthesunrevolved(旋转)aroundtheearth.An【1】7%didnot
Inatelephonesurveyofmorethan2,000adults.21%saidtheybelievedthesunrevolved(旋转)aroundtheearth.An【1】7%didnot
Anumberofarticleshavebeenpublishedbypsychologistsinfavoroftheirprocessionbeingpermittedtoprescribepsychotropic
Cultureisactivityofthought,andreceptivenesstobeautyandhumanefeeling,【1】ofinformationhavenothingtodowithit.Am
Manydifferentmeaningshavebeengiventothewordpoetry.ItwouldwearymyreadersifIweretodiscusswhichofthesedefini
Thousandsofyearsagomanusedhandyrocksforhissurgicaloperations.Laterheusedsharpboneorhorn,metalknivesand,mor
随机试题
Oneofthemostcommonfearsisspeakingtostrangers.Whilemostpeopledon’tnaturallyenjoytalkingtostrangers,itisanar
用密度瓶法测液体密度,浮力校正项中A可忽略不计。()
下肢静脉曲张的主要并发症是
吗啡与哌替啶比较,叙述错误的是()
下列易泛油的中药饮片是
湖泊、水库取样位置可以采用以建设项目的排放口为中心,沿( )布设的方法。
分析设备技术风险、使用维修特点,对()的设备,可以考虑经营租赁方案。
商业银行利用理财顾问服务向客户推介投资产品时,应()。
北京市兴兴房地产开发公司,2015年发生业务如下:(1)1月通过竞拍取得一宗土地使用权,支付价款8200万元,用于开发写普通标准住宅楼。(2)开发期间发生开发成本5000万元。(3)发生管理费用1135万元、销售费用1756万元、财务费用500万元
设函数f(x)满足xf’(x)一2f(x)=-x,且由曲线y=f(x),x=1及x轴(x≥0)所围成的平面图形为D.若D绕x轴旋转一周所得旋转体体积最小,求:曲线在原点处的切线与曲线及直线x=1所围成的平面图形的面积.
最新回复
(
0
)