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 syntheti
Recently scientists have been【1】and perfecting other sources of energy: nuclear or atomic power, solar (sun) power, and syntheti
admin
2012-02-18
44
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.
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:https://kaotiyun.com/show/honO777K
0
考博英语
相关试题推荐
Thiscoursefocusesonthe______ofeconomicanalysistotheproblemsofinflation,unemployment,thebalanceofpaymentsande
Diamondshavelittle______valueandtheirpricedependsalmostentirelyontheirscarcity.
The______ofthespringwaterattractsalotofvisitorsfromotherpartsofthecountry.
Despitethefactthattheywere______whentheymarried,after30yearstheylivetogetherharmoniously.
Imagineanaccidentinwhichanuclearpowerplantreleasesradioactivegas.Thecloudstartsmovingwiththewind.Clearly,the
Directions:Readthefollowingpassagecarefullyandthenwriteasummaryofitin,about120words.1.Developmentsin19th-
Influenzashouldnotbedismissedasatrivialdisease.Itkillsthousandsofpeopleeveryyearataveryhighcosttotheecono
Myowninclination,ifIwereinyoursituation,wouldbetolookforanotherposition.
Ihatepeoplewho______theendofafilmthatyouhaven’tseenbefore.
Johnoftensitsinasmallbar.drinkingandsmokingconsiderablymore______.
随机试题
岩锥汤氏位照片不能显示的结构是
A.奇脉B.短绌脉C.交替脉D.水冲脉E.重搏脉
关于国内生产总值GDP与国民生产总值GNP关系的说法,错误的是()。
某矿山企业在爆破作业过程中,部分作业人员未及时隔离至安全区域,爆炸冲击波导致1人死亡,1人重伤,这起事故的性质是()
Allflights______,wedecidedtotakeagreyhound.
黑格尔说:“脱离了身体的手是名义上的手”。这句话说明
使用VC++2010打开考生文件夹下modi1中的解决方案。此解决方案的项目中包含一个源程序文件modi1.c。在此程序中,函数fun的功能是:给定n个实数,输出平均值,并统计平均值以上(含平均值)的实数个数。例如,n=8时,输入193.199、195.6
A、17℃B、13℃C、0.9℃D、20.3℃B第一段最后说“3日内降温幅度达13℃”,可见4日与6日的气温会相差13℃。
A、Theman’sprofessionalbackground.B、Theman’smajorsuccessestillnow.C、Theman’sviewonthecompany.D、Theman’squestion
最新回复
(
0
)