职称英语考试理工类新增文章

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1、职称英语考试理工类新增文章阅读理解（6篇）……………………3页第六篇MakingLightof1Sleep第十九篇Graphene'sSuperstrength1*第三＋八篇"LifeFormFound"onSaturn'sTitan*第四十篇TeachingMath,TeachingAnxiety+第四＋五篇TeachingMath,TeachingAnxiety+第四十六篇AntsHaveBigImpactonEnvironmentas"EcosystemEngineers"完形填空（6篇）……………………20页第三

2、篇GermsonBanknotes第十篇ChickenSoupfortheSoul：ComfortFoodFightsLoneliness*第十一篇ClimateChangePosesMajorRisksforUnpreparedCities*第十二篇FreeStatinsWithFastFoodCouldNeutralizeHeartRisk+第十三篇SolarPowerwithoutSolarCells+第十五篇“Liquefaction”KeytoMuchofJapaneseEarthquakeDamage注：1、

3、+表示A级文章；*表示B即文章；其他为C级文章；2、阅读理解，请参见第3页；完形填空，请参见第20页；3、2012年词汇部分与2011年教材相比未作任何变化。23阅读理解第六篇MakingLightof1SleepAllwehaveaclocklocatedinsideourbrains.Similartoyourbedsidealarmclock，yourinternalclock2runsona24-hourcycle.Thiscycle，calledacircadianrhythm，helpscontrolwhen

4、youwake，whenyoueatandwhenyousleep.Somewherearoundpuberty，somethinghappensinthetimingofthebiologicalclock.Theclockpushesforward，soadolescentsandteenagersareunabletofallasleepasearlyastheyusedto.Whenyourmothertellsyouit'stimeforbed，yourbodymaybepushingyoutostayup3f

5、orseveralhoursmore.AndthelightcomingfromyourcomputerscreenorTVcouldbepushingyoutostayupevenlater.Thisshift4isnaturalforteenagers.Butstayingupverylateandsleepinglatecangetyourbody'sclockoutofsyncwiththecycleoflightanddark5.Itcanalsomakeithardtogetoutofbedinthemorn

6、ingandmaybringotherproblems，too.Teenagersareputinakindofagraycloud6whentheydon'tgetenoughsleep，saysMaryCarskadon，asleepresearcheratBrownUniversityinProvidence，RI7.Itaffectstheirmoodandtheirabilitytothinkandlearn.Butjustlikeyouralarmclock，yourinternalclockcanberes

7、et.Infact，itautomaticallyresetsitselfeveryday.How?Byusingthelightitgetsthroughyoureyes.Scientistshaveknownforalongtimethatthelightofdayandthedarkofnightplayimportantrolesinsettingourinternalclocks.Foryears，researchersthoughtthatthesignalsthatsynchronizethebody'sc

8、lock8werehandledthroughthesamepathwaysthatweusetosee.Butrecentdiscoveriesshowthatthehumaneyehastwoseparatelight-sensingsystems.Onesystemallowsustosee.Thesecond