职称英语理工c完形填空日常训练2017[权威资料]

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1、职称英语理工C完形填空日常训练2017本文档格式为WORD,感谢你的阅读。最新最全的学术论文期刊文献年终总结年终报告工作总结个人总结述职报告实习报告单位总结演讲稿职称英语理工C完形填空日常训练2017　　要想学好知识,就必须大量反复地做题,以下是搜索整理的2017年职称英语理工C完形填空日常训练，希望能给大家带来帮助!更多精彩内容请及时关注我们!　　完形填空(下面的短文有15处空白，请根据短文内容为每处空白确定1个最佳选项。)　　请根据短文内容，回答51~65题。　　WhatIstheCoolestGasintheUniverse?　　Whatisthecoldestairtempera

2、tureeverrecordedonEarth?Wherewasthislowtemperaturerecorded?ThecoldestrecordedtemperatureonEarthwas-90℃,which__________(51)inAntarctica(南极洲)in1983.　　Weencounteraninterestingsituationwhenwediscusstemperaturesin__________(52).　　TemperaturesinEarthorbit(轨道)actuallyrangefromabout+120℃to-120℃.Thetemper

3、aturedependsupon__________(53)youareindirectsunlightorinshade.Obviously,-120℃iscolderthanourbodycan__________(54)endure.　　Thespacetemperaturesjustdiscussedaffectonlyourareaofthesolar__________(55).Obviously,itishotterclosertotheSunandcolderaswetravel__________(56)fromtheSun.　　Scientistsestimatete

4、mperaturesatPlutoareabout-210℃.Howcoldisthelowestestimatedtemperatureintheentireuniverse?Again,itdependsuponyour__________(57).Wearetaughtitissupposedly__________(58)tohaveatemperaturebelowabsolutezero,whichis-273℃,atwhichatomsdonotmove.Twoscientists,CornellandWieman,havesuccessfully__________(59

5、)downagastoatemperaturebarelyaboveabsolutezero.TheywonaNobelPrizeinPhysicsin2001fortheirwork--notadiscovery,inthiscase.　　Whyisthetwoscientists'worksoimportanttoscience?　　Inthe1920s,SatyendraNathBosewasstudyinganinteresting__________(60)aboutspeciallightparticles(微粒)wenowcallphotons(光子).Bosehadtro

6、uble__________(61)otherscientiststobelievehistheory,sohecontactedAlbertEinstein.Einstein'scalculationshelpedhimtheorizethatatoms__________(62)behaveasBosethought--butonlyatverycoldtemperatures.　　Scientistshavealsodiscoveredthatultra-cold(超冷)atomscanhelpthemmaketheworld'satomicclockseven__________

7、(63)accurate.Theseclocksaresoaccuratetodaytheywouldonlyloseonesecond__________(64)sixmillionyears!Suchaccuracywillhelpustravelinspacebecausedistanceisvelocity(速度)timestime(d=υt).Withthelongdistancesinvolvedinspace_____