拉线开关距地面一般为2.2~2.8m,距门框为()A、100mm~150mmB、15

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问题:

拉线开关距地面一般为2.2~2.8m,距门框为()

A、100mm~150mm

B、150mm~200mm

C、250mm~300mm

D、300~350mm

考点:主管药师电工上岗证电工上岗证题库
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图为“某流域地质构造与地貌示意图”。读图完成28-29题。

小题1:关于图示地区地质、地貌的叙述正确的是

A.①处为背斜成岭

B.图示地区地质基础很不稳定

C.②处为良好的储油构造

D.②处岩石比③处岩石坚硬小题2:图中甲、乙、丙、丁四处可能形成的地貌与下列四幅图配对正确的是

A.甲—Ⅲ

B.乙—Ⅱ

C.丙—Ⅳ

D.丁—Ⅰ

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Solaris 10操作系统获得业界支持,它的桌面已经窗口化和菜单化。新的______界面使人感觉亲近而且舒适。

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下列化学方程式书写正确的是 [ ]

A.Fe+2HCl==FeCl2+H2

B.4Fe+3O2==2Fe2O3

C.2Fe+3CuSO4==3Cu+Fe2(SO43

D.2Fe+H2SO4==Fe2(SO43+3H2

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While attending a conference, I returned to my hotel room late one evening. The overhead light outside my door was burned out and I had       finding the keyhole. When I       to open the door, I       around the wall for a light switch. I found a plate where a switch was       installed... but no switch! 
Not discouraged easily, I remembered       a lamp by the bed when I deposited my luggage      in the day. I found the bed in the       and then the lamp, but when I switched it on, nothing     ! I thought that perhaps if I opened the curtains I might be able to use whatever light comes in from the       to find another lamp. So I  my way slowly across the room to the curtains and... no drawstring(拉绳)! I finally stumbled(跌跌撞撞地走)around        I found a desk lamp which actually     !
That evening I discovered in a whole new way just how dark the world       be and how   necessary light is! But even more necessary than       light is the light that shines from people --the light of       and faith. Because, for many people, the world is a dark and       place. For someone today just may be stumbling in discouragement or sadness or fear and in        of some light. So let your light shine. Whatever light you       may be a beacon(灯塔) of hope and encouragement. And if you feel that your light is       a candle in a forest remember -- there isn’t enough darkness in all the world to       the light of one small candle.
小题1:
A.confidenceB.respectC.admirationD.difficulty
小题2:
A.managedB.failedC.wishedD.meant
小题3:
A.touchedB.feltC.sensedD.looked
小题4:
A.alreadyB.neverC.stillD.once
小题5:
A.equippingB.producingC.noticingD.removing
小题6:
A.laterB.earlierC.lowerD.upper
小题7:
A.lightB.darkC.roomD.corner
小题8:
A.happenedB.operatedC.fired D.developed
小题9:
A.machineB.streetC.roomD.car
小题10:
A.woundB.forcedC.madeD.lost
小题11:
A.after B.untilC.while D.since
小题12:
A.helpedB.affectedC.workedD.inspired
小题13:
A.canB.shallC.will D.must
小题14:
A.mentalB.psychologicalC.electricalD.physical
小题15:
A.existenceB.loveC.truth D.wisdom
小题16:
A.lonely B.colorful C.friendly D.complex
小题17:
A.shortB.favorC.faceD.need
小题18:
A.makeB.offerC.takeD.contribute
小题19:
A.not more thanB.other thanC.no more thanD.rather than
小题20:
A.putoutB.giveoutC.getoverD.setup
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钢化玻璃的抗风压性能是怎样规定的?

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