在荷载作用下,位置和几何形状可以改变的体系,称为几何不变体系。
1、正确错误
暂无解析
Youhaveyourchoiceofthree_____oficecream.
一个呼吸暂停的新生儿对吸引、擦干及背部摩擦无反应,下一个合适的措施是什么?
PartIVTranslation
Thecaptainrealizedthatthementriedtodeceivehimsohemadethemworkveryhardfortherestofthevoyage.(PassageOne)
初产妇,第二产程,何时应开始保护会阴
PartIReadingComprehension
Passage1
Questions1to5arebasedonthefollowingpassage:
InWashingtonD.C.,1600PennsylvaniaAvenueisaveryspecialaddress.ItistheaddressoftheWhiteHouse,thehomeofthepresidentoftheUnitedStates.
OriginallytheWhiteHousewasgrayandwascalledthePresidentialPalace.Itwasbuiltfrom1792to1800.atthistime,thecityofWashingtonitselfwasbeingbuilt;itwastobethenation’snewcapitalcity.GeorgeWashington,thefirstpresident,andPierreCharlesL’Enfant,aFrenchengineer,chosetheplaceforthenewcity.L’Enfantthenplannedtheycity.Thepresident’shomewasanimportantpartoftheplan.
Acontestwasheldtopickadesignforthepresident’shome.AnarchitectnamedJamesHobanwon.Hedesignedalargethree-storyhouseofgraystone.
PresidentWashingtonneverlivedinthePresidentPalace.ThefirstpresidenttolivetherewasJohnAdams,thesecondpresidentoftheUnitedStates,andhiswifeMrs.Adamsdidnotreallylikehewnewhouse.Inherletters,sheoftencomplainedaboutthecold.Fiftyfireplaceswerenotenoughtokeepthehousewarm!
In1812theUnitedStatesandBritainwenttowar.In1814theBritishinvadedWashington.Theuburnedmanybuildings,includingthePresidentialPalace.
AfterthewarJamesHoban,theoriginalarchitect,partiallyrebuiltthepresident’shomes.Tocoverthemarksofthefire,thebuildingwaspaintedwhite.BeforelongitbecameknownastheWhiteHouse.
TheWhiteHouseisoneofthemostpopulartouristattractionsintheUnitedStates.Everyyearmorethan1.5millionvisitorsgothroughthefiveroomsthatareopentothepublic.
1.TheWhiteHousewasbuiltinWashington.
A.becauseaFrenchengineerwasinvitedtodesignit
B.becausePresidentGeorgeWashingtonlikedtoliveinit
C.becausetheBritishinvaderslivedinitin1812-1814
D.becauseitwastobethenation’scapitalcity
2.ThePresidentialPalacewas.
A.paintedgrayandwhiteB.madeofgraystone
C.madeofwhitestoneD.madeverywarminwinter
3.Thepresident’shomeandthecityofWashingtonwere.
A.builtbytheAmericanarmyB.builtbytheBritishtroops
C.plannedbyGeorgeWashingtonD.plannedbytheFrench
4.Theoriginalhomeofthepresidentneededtoberebuilt.
A.becauseJohnAdam’swifedidnotlikeit
B.becauseitwascoldinwinterevenwith50fireplaces
C.becauseithadburneddownduringthewar
D.becauseGeorgeWashingtonwasnotwillingtoliveinit
5.Thenewpresidentialhomewaspaintedwhiteto.
A.coverthemarksoffireB.attracttouristfromFrance
C.topleaseMrs.JohnAdamsD.keepitwarminwinter