热门试题:
[单选题]调车手信号指挥机车向显示人方向稍行移动的信号,昼间为拢起的红色信号旗直立平举,再用展开的绿色信号旗( )。
A..上下摇动
B..左右小动
C..上下小动
[填空题]调车为除( )外,机车车辆一切有目的地移动。
[判断题]同一建筑物内不得同时使用两个不同的电源系统,机房大楼配电系统不得为外单位接电。( )
A.正确
B.错误
[单选题]某急诊病人，术前刚进食了大量饮食，手术行全身麻醉时最易发生的并发症是( )
A.肺不张
B.呼吸暂停
C.喉痉挛
D.大小便失禁
E.呕吐物误吸
[单选题]上前牙缺失，可摘义齿戴入后，基托前后翘动，常见的原因是
A.塑料填塞期选择不当
B.基托伸展过长
C.基托过薄
D.弯制卡环时模型被磨损
E.未设置卡环
[判断题]生命探测仪适用于建筑物倒塌现场的侦察搜救。（）
[多选题]’年版第五套人民币20元券的光彩光变面额数字有( )特征。(人民币纸币防伪知识)
A.改变钞票观察角度,面额数字颜色在金色和绿色之间变化
B.改变钞票观察角度,面额数字颜色在绿色和蓝色之间变化
C.在紫外光下有荧光反应
D.改变钞票观察角度,可见一条亮光带上下滚动
[判断题]某夜,刘某入室盗窃时,失主胡某(女)发现后欲抓刘某,刘某为逃脱,即持匕首猛戳胡某,正当胡某奋力反抗时,其丈夫王某下夜班归来,随手操起一把钳子猛击刘某脑后,致使其当场死亡,王某的行为是正当防卫。( )
A.正确
B.错误
[单项选择]
In 1575--over 400 years ago the French scholar Louis Le Roy published a learned book in which he voiced despair over the changes caused by the social and technological innovations of his time, what we now call the Renaissance. We, also, feel that our times are out of joint; we even have reason to believe that our descendants will be worse off than we are.
The earth will soon be overcrowded and its resources exhausted. Pollution will ruin the environment, upset the climate and endanger human health. The gap in living standards between the rich and the poor will widen and lead the angry, hungry people of the world to acts of desperation including the use of nuclear weapons as blackmail. Such are the inevitable consequences of population and technological growth if present trends continue.
The future is never a projection of the past. Animals probably have no chance to escape from the tyranny of biological evolution, but human beings are blessed with the freedom of s
A. human beings are blessed with the freedom of social evolution
B. the world has become too complex for human beings to modify
C. preventive steps against catastrophes are difficult to be adopted
D. the earth will soon be overcrowded and its resources exhausted
[单选题]新时代中国特色社会主义思想，明确坚持和发展中国特色社会主义，总任务是实现社会主义现代化和中华民族伟大复兴，在全面建成小康社会的基础上，分____在本世纪中叶建成富强民主文明和谐美丽的社会主义现代化强国
A.两步走
B.三步走
C.四步走
D.五步走
[单选题]可用于难治性感染的是
A.浓缩白细胞悬液
B.全血
C.白蛋白液
D.免疫球蛋白
E.血小板
[填空题] It is often claimed that nuclear energy is something we cannot do without. We live in a consumer society where there is an enormous demand for commercial products of all kinds. (36)_________, an increase in industrial production is considered to be one solution to the problem of (37)_________ unemployment. Such an increase (38)_________ an abundant and cheap energy supply. Many people believe that nuclear energy provides an (39)_________and economical source of power and that it is (40) _________essential for an industrially developing society. There are a number of other advantages in the use of nuclear energy. Firstly, nuclear power, except for accidents, is clean. A further advantage is that a nuclear power station can be run and (41)_________by relatively few technical and administrative staff. The nuclear reactor (42)_________an enormous step in our scientific evolution and, whatever the anti-nuclear group says, it is wrong to expect a return to more (43)_________sources of
[多选题]矿井风门设置和使用的基本要求包括（）等。
A.使用的进回风巷间的联络巷必须安设2道风门，其间距必满足有关规定
B.设置两道风门联锁装置，不能同时打开
C.主要风门应设置风门开关传感器
D.风门必须可靠，不准出现漏风现象
[单项选择]就管理的内容而言，规划管理具有( )的双重性。
A. 规律性和能动性
B. 宏观管理与微观管理
C. 专业和综合
D. 管理阶段性和长期连续性
[简答题]国家综合性消防救援队伍的退休人员，参加国家和国家综合性消防救援队伍组织的重大纪念、庆典活动时，通常着什么服装？（简单）
[单项选择]一年轻女性自然流产3次，均为40～50天，曾保胎治疗无效。可做何种检查( )
A. 夫妻双方染色体检查和丈夫的精液检查
B. 女方的卵巢功能检查
C. 子宫输卵管碘油造影
D. 腹部平片检查
E. 甲状腺功能检查
[简答题]依据《安全生产法》的规定，生产经营单位必须对安全设备进行( )维护、保养，并定期检测，保证正常运转。
[单选题]113.低氧燃烧时，产生的 )较少。
A.硫
B.二氧化硫
C.三氧化硫
[单项选择]妊娠期发生急性阑尾炎，病人肌紧张不明显的主要原因是（）
A. 妊娠期腹壁肌肉薄
B. 孕妇对疼痛不敏感
C. 妊娠子宫位于阑尾前
D. 妊娠期阑尾炎大都因血运障碍引起，炎性反应轻
E. 以上都不正确
[判断题]金融期权的时间价值是指期权的买方如果立即执行该期权所能获得的收益。( )
[单选题]对舌下神经的描述正确的是
A.伴同名静脉经舌下神经管出颅
B.经延髓脑桥沟出脑
C.为舌的运动和感觉神经
D.来自对侧的舌下神经核
E.支配颏舌肌
[单选题]钩提杆
A.钩提杆
B.钩提杆座
C.上锁销
D.提钩链
[单选题]在安排财政支出时，应按照科学的支出顺序安排财政资金的使用，相应的支出原则是（ ）。
A.量入为出原则
B.量出为入原则
C.统筹兼顾、全面安排原则
D.厉行节约、讲求效益原则
[单项选择]The study of the way in which sound symbols are arranged to form words is ______.
A. psycholinguistics
B. historical linguistics
C. morphology
D. semantics
[单选题]特定引导手信号在昼间的显示方式为展开的（ ）信号旗高举头上左右摇动。
A.绿色
B.黄色
C.红色
[判断题]弧焊设备的初级接线、修理和检查应由电工进行,焊工不可私自随便拆修,次级接线由焊工进行连接。
A.正确
B.错误
[多项选择]根据被研究对象所包括的范围、特点的不同，社会调查可分为（）等。
A. 全面调查
B. 分段调查
C. 抽样调查
D. 典型调查
E. 个案调查
[单选题] 不把( )放在婴幼儿能够到的地方。
A.洗涤剂
B.含酒饮料
C.碘伏
D.以上都是
[单项选择]女，2岁。不完全性腭裂伴腭咽闭合不全。其咽成形术应在腭成形术后进行的时限是 ：
A. 0.5年
B. 1年
C. 5年
D. 6年
E. 7年以上
[单选题]杆上的作业人员应用(____)收紧导线，使绝缘子不受力。
A.紧线器
B.卡头
C.耐张线夹
D.连接螺栓
[单选题]ZPW-2000A型无绝缘移频轨道电路自动闭塞，室内各种配线、与数据通信线共槽的线缆均应采用( )
A.阻燃线
B.通信电缆
C.信号电缆
D.阻燃屏蔽线
[多选题]对于扣件式钢管模板支架,施工过程中的检查项目应符合( )等要求。
A.立杆底部基础应回填夯实
B.各种安全防护设施应设置到位
C.可调托撑的螺杆伸出长度应小于650mm
D.立杆不得出现偏心受力
E.扫地杆、水平杆、剪刀撑等应可靠固定
[单选题]MVR使用的蒸汽压力（ ）
A.1.2MPa
B.0.8MPa
C.0.4MPa
D.0.2MPa
[判断题]编组超重列车时，在中间站应得到司机的同意。
A.正确
B.错误
[单项选择]
Dear World,
A boy starts school today. It’s going to be strange and new to him for a while. And I wish you would sort of treat him gently.
You see, up to now, he’s been king of the family. He’s been boss of the backyard. I have always been around to repair his wounds, and to soothe his feelings.
But now--things are going to be different.
This morning, he’s going to walk down the front steps, wave his hand and start on his great adventure that will probably include wars and tragedy and sorrow. To live his life in the world he has to live in will require faith and love and courage.
So, World, I wish you would sort of take him by his young hand and teach him the things he will have to know. Teach him--but gently, if you can. Teach him that for every scoundrel, there is a hero; that for every enemy there is a friend. Teach him the wonders of books. Give him quiet time to ponder the eternal mystery of birds in the sky, be
A. pessimistically
B. hatefully
C. optimistically
D. distrustfully
[判断题]装卸软管必须每半年进行1次水压试验，试验压力为1.5倍的公称压力。
