2012职称英语理工新增内容

《2012职称英语理工新增内容》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、阅读理解篇1MakingLightof1Sleep　　Allwehaveaclocklocatedinsideourbrains.Similartoyourbedsidealarmclock，yourinternalclock2runsona24-hourcycle.Thiscycle，calledacircadianrhythm，helpscontrolwhenyouwake，whenyoueatandwhenyousleep.　　Somewherearoundpuberty，somethinghapp

2、ensinthetimingofthebiologicalclock.Theclockpushesforward，soadolescentsandteenagersareunabletofallasleepasearlyastheyusedto.Whenyourmothertellsyouit'stimeforbed，yourbodymaybepushingyoutostayup3forseveralhoursmore.AndthelightcomingfromyourcomputerscreenorTV

3、couldbepushingyoutostayupevenlater.　　Thisshift4isnaturalforteenagers.Butstayingupverylateandsleepinglatecangetyourbody'sclockoutofsyncwiththecycleoflightanddark5.Itcanalsomakeithardtogetoutofbedinthemorningandmaybringotherproblems，too.Teenagersareputinaki

4、ndofagraycloud6whentheydon'tgetenoughsleep，saysMaryCarskadon，asleepresearcheratBrownUniversityinProvidence，RI7.Itaffectstheirmoodandtheirabilitytothinkandlearn.　　Butjustlikeyouralarmclock，yourinternalclockcanbereset.Infact，itautomaticallyresetsitselfevery

5、day.How?Byusingthelightitgetsthroughyoureyes.　　Scientistshaveknownforalongtimethatthelightofdayandthedarkofnightplayimportantrolesinsettingourinternalclocks.Foryears，researchersthoughtthatthesignalsthatsynchronizethebody'sclock8werehandledthroughthesamepa

6、thwaysthatweusetosee.　　Butrecentdiscoveriesshowthatthehumaneyehastwoseparatelight-sensingsystems.Onesystemallowsustosee.Thesecondsystemtellsourbodywhetherit'sdayornight.　　词汇：　　circadianadj.昼夜节奏的，生理节奏的　　adolescentn．青少年；adj．青少年的　　pubertyn．发育；青春期　　syncn.（口语）

7、同步；和谐，协调　　synchronizeV.（使）同时发生；（使）同步　　注释：　　1.makelightof：轻视，不在乎。例如：Weshouldnotmakelightoftheirachievements．我们不应当低估他们的成就。　　2.yourinternalclock：指的是第一句中的aclocklocatedinsideourbrains，也即是第二段第一句中的thebiologicalclock（生物钟）。　　3.stayup：不睡觉，熬夜　　4.Thisshift：这种调整。指上文所描

8、述的由于生理时间的变化青少年上床时间越来越晚的现象。　　5.getyourbody'sclockoutofsyncwiththecycleoflightanddark：打乱了你的生物钟与昼夜时间循环之间的平衡　　6.graycloud：提不起精神的状态　　7.BrownUniversityinProvidence，RI：位于美国罗得岛州普罗维登斯的布朗大学。RI是RhodeIsland（罗得岛）的首字母缩写；Providenc