(2011海南)下列固体混合物与过量的稀H2SO4反应,能产生气泡并有沉淀生产的

题型:选择题

问题:

(2011海南)下列固体混合物与过量的稀H2SO4反应,能产生气泡并有沉淀生产的是

A.NaHCO3和Al(OH)3

B.BaCl2和NaCl

C.KClO3和K2SO4

D.Na2SO3和BaCO3

考点:离子反应
题型:选择题

育龙小学五年级有学生480人,比四年级学生人数的2倍少70人,________?2x-70=480(根据方程补充问题)

题型:选择题
As a child, I was truly afraid of the dark and of getting lost; these fears were very real and caused me some uncomfortable moments.
Maybe it was the strange  26  things looked and sounded in my familiar room at night that 27  me so much. There was never total  28 , but a streetlight or passing car lights  29   clothes hung over a chair take on(呈现) the  30  of a wild animal. Out of the corner of my 31 , I saw the curtains seem to move when there was no  32 . A tiny sound in the floor would seem a hundred times louder than in the daylight. My  33  would run wild, and my heart would beat fast. I would  34  very still so that the “enemy” would not discover me.
Another of my childhood fears was that I would get lost,  35 on the way home from school. Every morning I got on the school bus right near my home .That was no  36 . After school, 37 , when all the buses were  38  up along the street, I was afraid that I’d get on the wrong one and be taken to some  39  neighborhood. On school or family trips to a park or a museum, I wouldn’t let the leaders out of my 40 .
Perhaps one of the worst fears  41  all I had as a child was that of not being liked or  42  by others. Being popular was so important to me  43 , and the fear of not being liked was a 44  one.
One of the processes(过程) of growing up is being able to  45  and overcome(克服) our fears. Understanding the things that frightened us as children helps us achieve greater success later in life.
小题1:
A.wayB.timeC.placeD.reason
小题2:
A.woundedB.destroyedC.surprisedD.frightened
小题3:
A.quietnessB.darknessC.emptinessD.loneliness
小题4:
A.gotB.forcedC.madeD.caused
小题5:
A.spiritB.heightC.bodyD.shape
小题6:
A.eyeB.windowC.mouthD.door
小题7:
A.breathB.windC.airD.sound
小题8:
A.beliefB.feelingC.imaginationD.doubt
小题9:
A.layB.hideC.restD.lie
小题10:
A.especiallyB.simplyC.probablyD.directly
小题11:
A.discussionB.problemC.jokeD.matter
小题12:
A.howeverB.yetC.althoughD.still
小题13:
A.calledB.backedC.linedD.packed
小题14:
A.oldB.crowdedC.poorD.unfamiliar
小题15:
A.sightB.mindC.orderD.task
小题16:
A.aboveB.inC.ofD.at
小题17:
A.protectedB.guidedC.believedD.accepted
小题18:
A.thenB.thereC.onceD.anyway
小题19:
A.strictB.powerfulC.heavyD.right
小题20:
A.formB.rememberC.recognizeD.recover
题型:选择题

委托指令有多种形式,可以按照不同的依据来分类。从各国(地区)情况看,一般根据(),有市价委托和限价委托。

A.委托订单的数量

B.买卖证券的方向

C.允许买空卖空

D.委托价格限制

题型:选择题

成人人体浆膜腔积液,正确的是

A.腹腔积液<50ml

B.胸腔积液<50ml

C.腹腔积液<20ml

D.心包积液<50ml

E.心包积液<10ml

题型:选择题

特种设备事故发生后,()。

A.事故现场有关人员应当立即向本单位负责人报告

B.单位负责人接到报告后,应当于1小时内向事故发生地县级以上人民政府安全生产监督管理部门和负有安全生产监督管理职责的有关部门报告

C.情况紧急时,事故现场有关人员可以直接向事故发生地县级以上人民政府安全生产监督管理部门和负有安全生产监督管理职责的有关部门报告

D.事故发生单位同时要向事故发生地县以上特种设备安全监督管理部门报告

E.属于工程总承包的,由总包单位、分包单位分别按程序向上报告

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