[判断题]大型养路及施工机械作业，如施工机械不超出机车车辆上部限界，且作业人员及所持机具与接触网带电部分保持2m以上距离时，接触网可不停电。
A.正确
B.错误

[单项选择]矿井必须有（）各可以安全到达井上的安全出口。
A. 3
B. 2
C. 1

[多项选择]下列哪些情形不实行数罪并罚（）
A. 非法组织他人偷越国(边)境，造成被组织人死亡的
B. 强迫卖淫，造成被强迫人死亡的．
C. 走私假币并以暴力威胁方法抗拒缉私的
D. 伪造货币并出售伪造的货币的

[单选题]NS1600轨道起重机三节臂轨道起重机二节臂全伸长度为( )。
A.11000mm
B.12000mm
C.13500mm

[单选题]新插接的钢丝绳套应做（　　）允许负荷的抽样试验。
A. A.0.5
B.B.1
C.C.1.25
D.D.1.5

[多项选择]下列关于接受所必须具备的条件，叙述正确的是（）。
A. 接受必须由受盘人作出
B. 接受的内容必须与发盘相符
C. 接受的内容必须与还盘相符
D. 必须在有效期限内接受

[简答题]确定线路有效长的因素有哪些？

[判断题]从事化学品生产、使用、储存、运输的人员和消防救护人员平时应熟悉和掌握化学品的主要危险特性及其相应的灭火措施,并进行防火演习,加强紧急事态时的应变能力。
A.正确
B.错误

[多选题]辅助系统所采用（ ）的供电方式，这种方式模块化程度高，故障率（ ）。
A. 集中供电
B. 扩展供电
C. 较高
D. 较低

[单项选择]坐位误吸时，吸入性肺脓肿的好发部位是
A. 上叶后段或下叶背段
B. 下叶后基底段
C. 右上叶前段
D. 下叶前基底段
E. 上叶尖后段及下叶背段

[不定项选择题]共用题干 Sleep
Sleep is part of a person's daily activity cycle .There are several different stages of sleep,and they too occur in cycles.______(46)
When you first drift off into slumber,your eyes will roll about a bit,your temperature will drop slightly,your muscles will relax,and your breathing will slow and become quite regular. Your brain waves slow down a bit too,with the alpha rhythm of rather fast waves predominating for the first few minutes.______(47)
For the next half hour or so,as you relax more and more,you will drift down through stage 2 and stage 3 sleep.______(48)
Then about 40 to 60 minutes after you lose consciousness you will have reached the deepest sleep of all.Your brain waves will show the large slow waves that are known as the delta rhythm.
This is stage 4 sleep.You do not remain at this deep fourth stage all night long,but instead about 80 minutes after you fall into slumber,your brain activity level will increase again slightly. ______(49)
Your eyes will begin to dart around under your closed eyelids as if you were loo-king at something occurring in front of you.______(50)
It is during REM sleep period,your body will soon relax again,your breathing will grow slow and regular once more,and you will slip gently back from stage 1 to stage 4 sleep-only to rise once again to the surface of near consciousness some 80 minutes later. ______(48)
A.The delta rhythm will disappear,to be replaced by the activity pattern of brain waves.
B.If you are an average sleeper,your sleep cycle is as follows.
C.In stage 4 sleep people tend to dream.
D.The lower your stage of sleep,the slower your brain waves will be.
E.This period of rapid eye movement lasts for some 8 to 15 minutes and is called REM sleep.
F.This is called stage 1 sleep.

[单项选择]Passage Three