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1、职称英语等级考试理工AB精讲班课程第十五讲阅读理解>008年职称英语词汇大纲新增内容（12）:2008年《职称英语等级考试大纲》上首字母为s的新增单词C级snowflaken・雪花snow+flakesocioeconomicadj.社会和经济地位的B级scribblev.乱涂，乱画stimulantn.兴奋剂stimulatev.刺激，激励stimulate-activate（B级）motivate-spur（A级）-stir激励A级stowV.储藏，堆装symmetryn.对称性>阅读理解例题解析：SmartWindowWindowsnoton
2、lyletlightintocutdownanelectricityuseforlighting,butthe1ightcomingthroughthewindowalsoprovidesheat.However,windowsarenotsomethingpeopletypicallyassociatewithbeingacuttingedge1technology.Researchersarenowworkingonnewtechnologiesthatenableawindowtoquicklychangefromcleartodarkand
3、anywhereinbetweenwithaflipofaswitch："Ittookusalongtimetofigureoutwhatawindowreallyis,”saysClaesGranqvist.He，saprofessorofsolid-statephysicsatUppsalaUniversityinSweden'.“Tt，scontactwiththeoutsideworld.Youhavetohavevisualcontactwiththesurroundingworldtofeelwell.”So,windowsandnat
4、urallightareimportantforimprovingthewaypeoplefeelwhenthey'restuckindoors.Yet,windowsaretheweaklinkinabuildingwhenitconiestoenergyandtemperaturecontrol.Inthewinter,coldairleaksin.Whenit'shotandsunny,sunlightstreamsin.Allofthissunlightcarrieslotsofheatandenergy.Andallofthisextra
5、heatforcespeopletoturnontheirairconditioners.Producingblastsofcoldair,whichcanfeelsorefreshing,actuallysuckupenormousamountsofelectricityinbuildingsaroundtheworld・Windowshavebeenamajorfocusofenergyresearchforalongtime.Overtheyears,scient/istshavecomeupwithavarietyofstrategiesf
6、orcoating,glazing,andlayeringwindowstomakethemmoreenergyefficient.Smartwindowsgoastepfurther.Theyusechromogenictechnologieswhichinvolvechangesofcolor.Electrochromicwindowsuseelectricitytochangecolor.Forexample,asheetofglasscoatedwiththinlayersofchemicalcompoundsuchastungstenox
7、ideworksabitlikeabattery.Tungstenoxideisclearwhenanelectricchargeisappliedanddarkwhenthechargeisremoved,thatis,whentheamountofvoltageisdecreased,thewindowdarkensuntilit，scompletelydarkafteral1electricityistakenaway.Soapplyingavoltagedetermineswhetherthewindowlooksclearordark.O
8、neimportantfeaturethatmakesasmartwindowsosmartisthatithasasor
