3、内墙大理石饰面板安装时，每安装好一层饰面石板，即用1:2.5水泥砂浆分层灌注。先灌板高的1/3,插捣密实，待其，再灌上部的浆。

9、窗框在墙中的位置，一般是与墙内表面平，安装时窗框突出砖面，以便墙面粉刷后与抹灰面平。

下列费用项目中，属于安装工程费用的有（　）。

PassagethreeManypeoplebelievethatboysandgirlsshouldbeeducatedinseparateclassesbecausetheirbrainsaretolearnindifferentways.Forthepastdecadeparentsandteachershavebecomeworriedincreasinglyaboutboys,whoarenowroutinelyoutperformedbygirlsateverylevelandwhoshowgrowinglevelsofself-dissatisfactionandlackofmotivation.Dr.Sax,founderoftheNationalAssociationforSingleSexPublicEducationintheUnitedStates,arguesthatthisgendergapistheresultofinnatelydifferentlearningstylesofboysandgirls,andthatmostclassroomsplaytothestrengthofgirls.Boys,forexample,donothearaswellasgirls.So,afemaleteacherwithasoftvoicemaybelievethataboywhoisnotpayingattentionisplayingup,whenactuallyhecannothearherproperly.Herreactionmaybetodisciplinehim.ButDr.Saxsaysthatshewouldgetbetterresultsbyspeakinglouderandmovingpurposefullyaroundtheclassroom.Boys’eyesalsorespondbettertomovementanddirection,whilegirls’eyesaremoreaffectedbycolorandtexture.Askedtodraw,five-year-oldgirlsproduceflowers,petsandpeople.Boyswilldrawacarcrash,butmaybereproachedbyteachersforproducingsomethingthatis“notnice”.Similarly,althoughmostgirlscansitstillfromayoungage,mostboysneedtobeactivetodiscovertheirownpace.Oneresult,Dr.Saxbelieves,istheoverdiagnosisofattentiondeficitdisorderamongboyswhoareconsideredinattentivebyteachers.Parentsanddoctorsaretemptedtotreatthiswithmedication,whensimplyputtingtheminaboy-friendlyclassroomwouldbefarmoreeffective.Thefailureofschoolstounderstandwhygendermattersmeansthatboysveryoftenswitchofffromlearningfromanearlyageandneverreengage.Longaftertheirsistershavegonetouniversity,theyarestilltrappedathomesufferingfrom“failuretolaunch”intoadultlife.Thesolution,Dr.Saxbelieves,liesinsingle-sexeducationprovidedbyteacherstrainedtounderstandthedifferencesinbrainfunctionbetweenboysandgirls.32.Whathaveparentsandteachersbecomemoreconcernedaboutinthepasttenyears?

风管最主要的连接方式是法兰连接。（）

选择水泵的主要依据是流量和扬程。（）

给排水工程识图中的字母“W”可以表示排水管道或污水管道。（）

直接给水无需借助水箱、水泵。（）

按作用范围的不同，通风系统分为（）

风管及设备保温的施工方法有()。

截止阀的特点是（）。

下列属于盥洗、沐浴用卫生器具的是（）。盥洗盆B．洗脸盆C．浴盆D.淋浴器E.地漏

闭式自动喷水灭火系统可分为（）。

按通风系统工作动力不同，通风系统分为（）。

下列属于洗涤卫生器具的是（）。