热力系统中一、 二次串联布置的疏水门、 空气门， 一次门用于系统隔绝，二次门用于（调整）或频繁操作，除非特殊情况，不得将一次门做为调整用，防止一次门门芯吹损后，不能起到隔绝系统的作用。
调整
暂无解析
医患关系三个基本模式是
下列关于正常枕先露分娩机转顺序，正确的是
PartIIICloze
Directions:Therearetwentyblanksinthefollowingpassage.Foreachblanktherearefourchoices.ChoosetheonethatbestfitsintothepassageandthenmarksyouranswerontheAnswerSheet.
Therearetwofactorswhichdetermineanindividual’sintelligence.Thefirstisthesortofbrainheisborn61.Humanbrainsdifferconsiderably,62beingmorecapablethanothers.63nomatterhowgoodabrainhehastobeginwith,anindividualwillhavealoworderofintelligence64hehasopportunitiestolearn.Sothesecondfactoriswhat65totheindividual—thesortofenvironmentinwhichheisbrought66.Ifanindividualishandicapped(受阻碍)67,itislikelythathisbrainwill68todevelopandhewill69attainthelevelofintelligenceofwhichheis70.
Theimportanceofenvironmentindetermininganindividual’sintelligencecanbe71bythecasehistoryoftheidenticaltwins,PeterandJohn.Whenthetwinswerethreemonthsold,theirparentsdied,andtheyareplacedin72foster(寄养)homes.Peterwasrearedbyparentsoflowintelligenceinan73communitywithpooreducational74.John,75,waseducatedinthehomeofwell-to-doparentswhohasbeentocollege.Thisenvironmental76continueduntilthetwinswere77theirlateteens,78theyweregiventeststo79theirintelligence.John’sI.Q.(智商)was125,twenty-fivepointshigherthanthe80andfullyfortypointshigherthanhisidenticalbrother.
61.A.forB.byC.withD.in
62.A.mostB.someC.manyD.few
63.A.ButB.ForC.StillD.And
64.A.ifB.thoughtC.asD.unless
65.A.refersB.appliesC.happensD.concerns
66.A.aboutB.upC.forwardD.forth
67.A.relativelyB.intelligentlyC.regularlyD.environmentally
68.A.failB.helpC.manageD.stop
69.A.everB.neverC.evenD.nearly
70.A.ableB.capableC.availableD.acceptable
71.A.demonstratedB.deniedC.neglectedD.ignored
72.A.separateB.similarC.remoteD.individual
73.A.omittedB.isolatedC.enclosedD.occupied
74.A.possibilitiesB.opportunitiesC.capacitiesD.responsibilities
75.A.moreoverB.consequentlyC.thenD.however
76.A.exceptionB.divisionC.differenceD.alteration
77.A.inB.byC.atC.for
78.A.whileB.sinceC.whenD.because
79.A.estimateB.countC.decideD.measure
80.A.averageB.commonC.usualD.ordinary
Bysaying"thegrowthoftheproportion...toyoungergenerations."(Line2,Para.5),AntheaTinkerreallymeansthat________.
PartIVTranslation
Bymakingvehicleslighterinweightaluminumhasgreatlyreducedtheamountoffuelneededtomovethem,(PassageTwo)
