热门试题:
[多选题]( )造成包封面后出岗线。
A.书籍压痕过宽
B.书籍压痕过窄
C.托打与夹紧楔块缝隙过大
D.封面过硬
[判断题]照明电路开关必须安装在相线上。
A.正确
B.错误
[单选题]为保证捣固作业质量，连续式双枕捣固车的捣固频次不宜超过（ ）。
A.16次/min
B.18次/min
C.20次/min
D.22次/min
E.25
F.30
[多选题]人工模式下，以下哪些故障会切除单节车动力（ ）。
A.单节车接地回路刀开关未闭合
B.单节车报牵引故障
C.一个受电弓降弓
D.TMS故障
E.未发出牵引指令
[简答题]出站（进路）信号机突变，列车停车后已越过关闭的信号机时的处理办法？
[多项选择]CTV的治疗（）
A. 所有病例均应抗凝治疗
B. 重视病因治疗
C. 合适病例可考虑介入治疗
D. 高颅压的病例可脱水降颅压治疗
E. 所有病例均应使用抗生素
[单选题]湿性咳嗽，常见于下列哪项疾病
A.A:胸膜炎
B.B:肺脓肿
C.C:胸腔积液
D.D:急性喉炎
E.E:急性支气管炎初期
[单选题]电流表、电流互感器及其他测量仪表的接线和拆卸，需要断开（ ）者，应将此回路所连接的设备和仪器全部停电后，始能进行。
A.低压回路
B.高压回路
C.控制回路
D.二次回路
[单选题]-1.投资基金主要通过问投资者发行（）集中社会资金，由专业基金管理机构投浸实现保值增值。
A.存款凭证
B.全部都是
C.收益凭证
D.资款凭证
[单选题]下列哪项不属于孤岛遇险事故的特点?( )
A. 四周无依靠,被湍流包围,孤立无援。
B. 被救者在水中会失去理智,救援人员将受到威胁。
C. 环境危险、复杂,被救者心理压力大。
D. 舟船难以靠近,救援行动艰难。
[单项选择]
Walking down the street the other day, I happened to notice a small purse. I took the purse to the (36) and handed it to the desk sergeant.
That evening 1 went to have dinner with my aunt and uncle. A young woman had also been (37) so that there could be (38) people (39) table. Her face was familiar to (40) , but I could not (41) where and how I had seen her. In the course of conversation, however, the young woman (42) to mention (提及)that she had lost a (43) with some change and an (44) photo, and that she had the photo (45) in her childhood. I at once (46) where I had seen her. She was the young girl in the photo, (47) she was now much (48) . She was very, (49) ,of course, when I was able to tell her all about the purse. Then I (50) that I had (51) her from the photo I found in the purse. My uncle insisted (52) going to the police station immediately
A. saw
B. found
C. knew
D. recognized
[多选题]各车厢灭火器、紧急制动阀（手柄或按钮）、（ ）紧急破窗锤、气密窗、厕所紧急呼叫按钮及车门防护网（带）、应急梯、紧急用渡板、应急灯（手电筒）、扩音器等安全设施设备配置齐全，作用良好，定位放置。
A.烟雾报警器
B.应急照明灯
C.防火隔断门
D.紧急门锁
[单选题]寒冷地区某办公楼，对采用空气源热水热泵的风机盘管—水系统和多联机系统相比较，下列何种说法是错的？
A.A、除霜工况下，空气源热泵供热效果优于多联机；
B.空气源热水热泵除霜运行时，风机盘管仍有一定供热能力；
C.多联机空外机除霜运行时，室内机停止供热；
D.多联机舒适性高于风机盘管水系统
[多选题]作业人员应当遵守安全施工的（ ），正确使用安全防护用具、机械设备等。
A.规章制度
B.操作规程
C.不成熟经验
D.劳动纪律
E.强制性标准
[填空题]辨脓有无韵方法有____、____、穿刺辨脓等3种常用方法。
[简答题]真空断路器与其他高压断路器的灭弧介质方式有什么不同？
[判断题]在其他情况不变时，政府开支与国民收人、利率水平反方向变动。（）
[不定项选择题]A.免疫荧光法
A.免疫胶体金技术
B.对流免疫电泳
C.ELISA
D.放射免疫测定法
E.早孕快速检测技术的原理是
[填空题]起重机运行机构,起升机构的制动器必须是()的。
[单项选择]"Fingers were made before forks." When a person puts aside his knife and fork, and dives into his food, someone often repeats that saying.
The fork was ancient (古代的) agricultural tool, but for centuries no one thought of eating with it. Not until the eleventh century, when a young lady from Turkey brought her fork to Italy, did the custom reach Europe.
By the fifteenth century the use of the fork was widely spread in Italy. The English explanation was that Italians hated eating food touched with fingers. English were thought to be womanlike and women who used them were called show-offs(卖弄) and overnice (过于讲究的).
Not until the late 1600s did using a fork become a common custom.
"Fingers were made before forks" suggests that people ______.
A. believed that eating with forks was womanlike
B. believed that eating with fingers was clean and tidy
C. ate food with their fingers long before they used fork
D. invented fingers long before they did with fork
[判断题]遮栏 高度及其 与带电体的距离应符合 屏护的 安全要求 。 （ ）
A.正确
B.错误
[单项选择]风险应对，即采取应对措施，将风险控制在（）的范围内。
A. 组织可接受
B. 最低限度
C. 合理
D. 不可控制
[单选题]直方图的正常图形是（ ）。
A.对称形
B.右偏形
C.左偏形
D.无规则分布
[多选题]搞好后勤保障,要坚持( ),加强基层后勤规范化建设和管理,强化后勤训练,提高精细化保障水平,为指战员创造良好的物质生活条件。
A.政治建后
B.依法管后
C.科技兴后
D.能力强后
[简答题]为什么卧式车床床身导轨在水平面内的直线度要求高于垂直面内的直线度要求？
[单选题]根据《电子招标投标办法》,不属于电子招标投标系统的平台是( )。
A.交易平台
B.数据交换平台
C.公共服务平台
D.行政监督平台
[单选题] 第42题 （3.0分） 题号:642 难度:易 第4章
A..doc
B..dot
C..txt
D..rtf
[单项选择]对物体系的各个物体进行受力分析时，要用到作用和反作用定律，但应当注意，作用力和反作用力总是同时存在的，并（）。
A. 作用于同一个物体上而使物体达到平衡
B. 分别作用在两个物体上
C. 不一定作用在一个物体上
D. 是一对平衡力
[单项选择]异烟肼的作用特点是
A. 杀灭静止期结核杆菌
B. 杀灭活动期结核杆菌
C. 结核杆菌不易产生抗药性
D. 对革兰阴性菌也有效
E. 不宜作为预防用药
[单项选择]What is the WBS typically used for
A. To organize and define the total scope of the projec
B. To identify the logical person to be project sponso
C. To define the level of reporting the seller provides the buye
D. As a record of when work elements are assigned to individual
[单选题]H3.8基坑开挖限界为( )。(Cx为支柱设计侧面限界)。
A.Cx-100mm
B.Cx-150mm
C.Cx-200mm
D.Cx-250mm
[单选题] 关于湿式显像剂,以下说法正确的是( )
A. 各种湿式显像剂是悬浮剂
B. 水溶性湿式显像剂不适用于着色渗透检测体系
C. 溶剂悬浮湿式显像剂会对铝、镁零件造成腐蚀
D. 水悬浮湿式显像剂不能用于荧光渗透检测系统
[单选题]高级语言的程序控制结构包括()
A.顺序结构、分支结构和循环结构
B.数据输入、数据处理和数据输出
C.输入结构、输出结构
D.数据类型、表达式、语句
[单项选择]下列表述有误的是( )。
A. 对于不需按月结计本期发生额的账户，月末结账时，需要在最后一笔经济业务事项记录之下通栏划单红线，并结计余额
B. 库存现金日记账每月结账时，要同时结出本月发生额和余额
C. 12月末的“本年累计”就是全年累计发生额，全年累计发生额下通栏划双红线
D. 年终结账时，本年合计数下要划通栏双红线
[多项选择]计量是量值准确一致的测量。概括起来，计量工作具有（）的基本特点。
A. 准确性
B. 一致性
C. 溯源性
D. 法制性
