中标人的报价应该是所有投标人报价中的最低报价。（）

根据我国相关法律，分包商不得将其分包的工程再次分包。（）

投标有效期是从投标文件递交之日起至确定中标人之日这段时间。（）

不可抗力发生后，承包商可以提出费用和工期的索赔。（）

组成联合体投标的各方，按照其中资质最低的确定联合体资质等级。（）

总索赔比单项索赔更容易处理。（）

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.34.Accordingtothepassage,inattentiveboysmaydobetterinschool___________.

构造柱的施工顺序是先浇筑混凝土构造柱，后砌墙。

下列通风管道工程量中，按设计图示外径尺寸以展开面积计算的是

Mymotherasksme（）timeonline.

保护未成年人的方式主要是（）

下列哪些行为是行使了公民的政治权力（）？

“言今日难于前日，安知他日不难于今日乎?”对这句话的正确理解是（）

坚持依法治国首先要坚持（）。

某企业记账本位币为人民币，外币业务的记账汇率采用当日的市场汇率核算。2×14年5月6日，将其持有的10000美元出售给中国银行，当日中国银行美元买入价为1美元=6.30元人民币，卖出价为1美元=6.34元人民币，当日市场汇率为1美元=6.32元人民币。企业出售该笔美元应确认的汇兑损失为（　）元人民币。