简介:TheJapan-ChinaFriendshipassociationofJuniorChamberInternationalJapan(JCI-Japan),whichIserveasthepresident,isatypicalpro-Chinaorganizationcomposedbypeopleconcernednonprofitorganization"JCI-Japan".And,theassociationhasbeensupporteddiversifiedexchangeeventsbetweenJCI-JapanandChina.Firstofall,inordertoexplainaboutthe
简介:WHATHASTHEDALAIDONEOVERTHEPAST36YEARS?¥//InApril1959,theDataiLamaissuedthe"statementoftheDalaiLama"whichadvocated"Tibetindepe...
简介:请看2005年高考英语试题(山东卷)第34题:Hepaidforaseat,whenhehaveenteredfree.A.couldB.wouldC.mustD.need此题答案为A。该题考查了“情态动词+havedone”结构。此结构在高中学习阶段经常出现,它也是高考的考查热点,但仍然有不少学生对它的用法不甚了解。笔者认为,应把握好“情态动词+havedone”的两种用法。一、表示“对过去推测”的用法“情态动词+havedone”表示“对过去推测”时的用法如下:1.musthavedone表示对过去发生的事情作出肯定的判断,它不用于疑问句和否定句中。例如:Joanmusthavecaughtacoldbecauseshehadahightemperaturelastnight.琼一定是感冒了,因为她昨晚发高烧。2.can/couldhavedone表示对过去发生的事情作出可能性的推测,它主要用于否定句和疑问句中,很少用于肯定句中。注意:can/could在此结构中无时态的区别,用can表示推测的可能性比could大一些。例如:1)(1997上...
简介:ThispaperdemonstratestheapplicationofadesigntoolcalledBioTRIZ.Itsdevelopersclaimthatitcanbeusedtoaccessbiologicalstrategiesforsolvingengineeringproblems.Ouraimistodesignaroofforhotclimatesthatgetsfreecoolingthroughradiantcouplingwiththesky.Theinsulationinastandardroofstopsthesunandconvectionfromwarmingthethermalmass.Butitalsorestrictsthemass’slongwaveviewofthecoolsky.DifferentsolutionstothisconflictareofferedbyBioTRIZ.Thechosensolutionistoreplacethestandardinsulationcomponentwithanopencellhoneycomb.Theverticalcellswouldallowlongwaveradiationtopass,whilearrestingconvection.ThesolutionsofferedbyBioTRIZ’stechnologicalcounterpartincludenosuchchangesinstructure.Itisestimatedthatthethermalmassinthebiomimeticroofwouldremainonaverage4.5?CcoolerthaninastandardroofoverayearinRiyadh,SaudiArabia.