[多选题] ( )上,禁止停留机车车辆。
A.安全线
B.避难线
C.机车固定走行线
D.到发线

[单选题]解开或恢复杆塔、配电变压器和避雷器的接地引线时，应戴（　　）。禁止直接接触与地断开的接地线。
A.绝缘手套
B.线手套
C.皮手套
D.棉手套

[判断题]电气化区段站车、整备场等场所保洁不得采用向机车、动车、车辆等车体上部喷水方式洗刷车体。
A.正确
B.错误

[单选题]下部结构包括( )、盖梁、墩身、台帽、台身、基础、挡土墙、护坡及河床冲刷情况等。
A.支座
B.挂梁
C.主节点
D.连接件

[单项选择]个体化给药的步骤中确定初始给药方案的人是
A. 执业医师
B. 执业药师
C. 执业医师和执业药师
D. 临床医师
E. 临床医师和临床药师

[单选题]DSA200型受电弓试验时在最小工作气压（360~380）kPa下，弓头须能顺利上升至最大高度而 不许有呆滞现象。
A.360~380
B.370~390
C.260~280
D.365~385

[单选题]用于制造汽车、拖拉机中的变速齿轮，内燃机中的凸轮和活塞销的钢是
A.合金渗碳钢
B.合金调质钢
C.合金弹簧钢

[判断题]ZD6-F型转辙机表示杆销抗挤切力14700～17600N（ ）
A.正确
B.错误

[多选题]高压压井管汇现场使用时,( )。
A.压1连接泥浆泵
B.压5连接压裂车高压出口
C.压6连接压裂车供浆口
D.压3连接外放喷管线或放喷管汇
E.压井时打开压4、压6

[单项选择]近年来，科学家正在探索利用铝粉作为新能源的可能性，以期铝能成为一种石油的取代物。假如铝作为一种普遍使用的新型能源被开发利用，关于其有利因素的下列说法，你认为哪项是错误的（）基础。
A. 铝质轻，便于运输、贮存，且安全；
B. 铝燃烧时放出的热量大，且燃烧后新产物对环境的污染容易得到有效的控制；
C. 在地球上，铝矿资源比较丰富；
D. 现代电冶铝的工业技术已为铝作为新能源奠定了重要

[判断题] 地上式消火栓应有1个DN150或DN100和2个DN65的栓口。( )(易)
A.正确
B.错误

[单项选择]Jonas Frisen had his eureka moment in 1997. Back then, scientists suspected that there was a special type of cell in the brain that had the power to give rise to new brain cells. If they could harness these so-called neural stem cells to regenerate damaged brain tissue, they might someday find a cure for such brain diseases as Alzheimer’s and Parkinson’s. But first they had to figure out where neural stem cells were and what they looked like. Frisen, then a freshly minted Ph. D. at the Karolinska Institute in Stockholm, was peering through his microscope at some tissue taken from a rat’s injured spinal cord when he saw cells that appeared to have been enervated by the injury, as though they were busy making repairs. Frisen thought these might be the neural stem cells scientists had been looking for. It took him six years of painstaking research to make sure.
Frisen is quick to emphasize that his research is basic and that treatments are years off. But the findings so far hint at e
A. Jonas Frisen’s research has incurred much criticism from radical right.
B. Jonas Frisen’s research on stem-cells hints at extraordinary potential.
C. Jonas Frisen is trying to cure Parkinson’s and other neural diseases.
D. Jonas Frisen’s research will relieve many patients of their sufferings.

[单选题] 港珠澳大桥是世界上最长的跨海大桥,全长约( )。
A.25 公里
B.35 公里
C.45 公里
D.55 公里

[多选题]下列表现属于中度缺血缺氧性脑病的是( )
A.嗜睡、反应迟钝
B.吸吮反射正常
C.瞳孔散大,对光反应迟钝
D.拥抱反射和吸吮反射减弱
E.肌张力减低,肢体自发动作减少

[多选题]双绞线电缆端接的一般要求是()
A.电缆在端接前必须检查标签的颜色和数字含义,并按顺序端接
B.电缆中间可以有接头存在
C.电缆端接处必须卡接牢靠,接触良好。
D.双绞线电缆与连接硬件连接时,应认准线号,线位色标,不准颠倒和错接

[单选题]中队战斗编成通常可根据火灾扑救对象的燃烧面积和（）等因素进行编配。
A.人员装备实力
B.辖区火灾特点
C.辖区水源分布情况
D.中队执勤力量

[单选题]3级中、低坝及3级以下的中坝压实度为( )。
A.95%～96%
B.96%～98%
C.96%～100%
D.98%～100%

[简答题] 在奥尔波特的理论中，统我的发展会经历哪些阶段？

[单项选择]