湿式系统、干式系统应在喷头动作后,直接由()连锁自动启动供水消防泵。
A、水流指示器B
暂无解析
当决定从阴道手术助产时,为了确诊胎方位,应从哪条颅缝结合囟门检查来作依据
Passage3
Questions11to15arebasedonthefollowingpassage:
Thecowboyistheheroofmanymovies,.Heis,eventoday,asymbolofcourageandadventure.Butwhatwasthelifeofthecowboyreallylike?
Thecowboy’sjobisclearfromthewordcowboy.Cowboyweremenwhotookcareofcowsandothercattle.ThecattlewereintheWestandinTexas.PeopleinthecitiesoftheEastwantedbeefthesecattle.Trainscouldtakethecattleeast.Butfirstthecattlehadtogettothetrains.Partofthecowboy’sjobwastotakethecattlehundredsofmilestotherailroadtown.Thetripswerecalledcattledrivers.Acattledriveusuallytookseveralmonths.Cowboysrodeforsixteenhoursaday.Becausetheyrodesomuch,eachcowboybroughtalongabouteighthorses.Acowboychangedhorsesseveraltimeseachday.
Thecowboyshadtomakesurethatcattlearrivedsafely.Beforestartingonadrive,thecowboysbrandedthecattle.Theyburnedamarkonthecattletoshowwhotheybelongedto.Butthesemarksdidn’tstoprustlers,orcattlethieves.Cowboyshadtoprotectthecattlefromrustlers.Rustlersmadethedangeroustripevenmoredangerous.
Eventhoughtheirworkwasverydifficultanddangerous,cowboysdidnotearnmuchmoney.Theywerepaidbadly.Yetcowboyslikedtheirwayoflife.Theylivedinawildandopencountry.Theylivedalifeofadventureandfreedom.
11.Acowboyisasymbolof.
A.courageandadventureB.ahardlifeandbigpay
C.moviesinthepastD.cowsandothercattle
12.Thecowboys’jobwas.
A.tobeaheroinreallifeB.tobeaheroofthemovie
C.totakecareofcattleD.tobeadangerousrustler
13.Duringacattledriver,cowboystookagroupofcowsfromawildandopencountryto.
A.theWeststatesandTexasB.thecitiesoftheEastStates
C.thepeoplewhoeatbeefincitiesD.therailroadtownshundredmilesaway
14.Ontheirwayofcattledrivers,thecowboysprotectedthecattleby.
A.burningamarkontheircowsB.keepinganeyeoncattlethieves
C.makingthetripmoredangerousD.lookingaftereightcowseachperson
15.Cowboysenjoyedthemselvesbecause.
A.theylikedtheirwayoflifeB.theymadealotofmoney
C.theyhadavarydifficultjobD.theywereheroesinmovies
Thissickmanwas_____inablanket.
关于催产素静脉静滴,下列哪项是正确
以下哪一项是原发性呼吸暂停而不是继发性呼吸暂停的特征?