[单项选择]由两个栈共享一个存储空间的好处是( )。
A. 减少存取时间，降低下溢发生的机率
B. 节省存储空间，降低上溢发生的机率
C. 减少存取时间，降低上溢发生的机率
D. 节省存储空间，降低下溢发生的机率

[多选题]在吊运物体时，吊绳间的夹角过小，会使( )。
A.物体容易出现晃动
B.容易产生碰撞
C.容易产生倾斜
D.限制了物体起升高度

[单选题]不属于紧急制动故障的风险点的是（ ）。
A.将导致列车无法动车
B.警惕按钮故障，将导致列车运行过程中存在安全隐患
C.信号切除或降级，将导致列车无法用正常信号模式运行
D.容易引起司机驾驶过程中的误判断

[判断题]在侦查期间，犯罪嫌疑人只能委托律师作为辩护人，不能委托其没有取得律师资格的配偶作为辩护人。
A.正确
B.错误

[判断题]巷道维护须从提高围岩强度和控制围岩应力两方面采取措施。()
A.正确
B.错误

[判断题]调车机车列车标志的显示方式为机车前端一个头灯及中部右侧一个白色灯光,机车后端中左侧一个红色灯光。( )
A.正确
B.错误

[单选题] 护轨梭头尖端超出台尾的长度不小于( ),其顶部应切成不陡于 1:1的斜面。
A. 2.0m
B. 3.0m
C. 1.5m
D. 2.5m

[单项选择]每一个月经周期中可发育的卵泡是（）
A. 一个
B. 两个
C. 几个到十几个
D. 几十个
E. 几百个以上

[多选题]下列各项，属于动火工作票各级审批人员和签发人安全责任的是：（ ）。
A.正确安全地组织动火工作
B.确认工作的必要性
C.确认工作的安全性
D.确认工作票上所填安全措施是否正确完备

[判断题]依据《内燃、电力机车检修工作要求及检查办法》对规检查，不允许扣车进行专项、全面进行检查。
A.正确
B.错误

[判断题]稳态误差的大小与系统的开环增益有关，系统的开环增益越大，稳态误差越大。

[不定项选择题]A.刃状
A.带斜面肩台
B.凹形
C.肩台
D.带斜面凹形
E.金瓷冠的舌侧龈边缘一般为

[单选题]在我国可以实施股权激励计划的公司中，激励对象不包括（ ）。
A.上市公司的董事
B.独立董事
C.上市公司核心技术人员
D.上市公司高级管理人员

[单项选择]

When an invention is made, the inventor has three possible 61 of action open to him; he can give the invention to the world by publishing it, keep the idea 62 , or patent it.A 63 patent is the result of a bargain 64 between an inventor and the state, but the inventor gets a limited period of monopoly and publishes full details of his invention to the public after that period 65 .
Only the most exceptional circumstances 66 the lifespan of a patent 67 to alter this normal process of events.
The longest extension ever 68 was to Georges Valensi; his 1939 patent for color TV receiver circuit was extended until 1971 because for most of the patent’s normal life there was no color TV to 69 and thus no hope for reward for the invention.
Because a patent remains permanently 70 after it has terminated, the shelves of the library attached to the 71 office contain details of literally mi
A. public
B. secret
C. close
D. concealed

[单项选择]

Some oil companies plan to get rid of some of the pollution they produce by pumping it into rocks deep inside the Earth, where they say it will stay for thousands of years. Other people, though, aren’ t so sure this is advisable; environmental groups say that putting this pollution back into the Earth is a had idea.
When oil burns, It doesn’ t just produce heat: it also produces carbon dioxide. Carbon dioxide is a natural part of the air, but because people bum so much oil, there’ s too much carbon dioxide in the air. This extra carbon dioxide is pollution; some scientific studies show that carbon dioxide is one of the" greenhouse gases" that is causing the Earth’s temperature to rise.
Environmentalists say that the oil companies’ plans may not work. The oil companies say they are making sure that the gas will never escape, but environmentalists wonder how the oil companies can be so sure that the gas won’ t seep into
A. it burns very easily and has a very awful smell.
B. it produces too much heat that warm up the temperature.
C. it emits too much carbon dioxide into the air when burning.
D. it is called the" greenhouse gas".

[单选题](36884)相同拉力下，下列()滑车组提升重物速度较快。
A.跑头自定滑车绕出
B.跑头自动滑车绕出
C.双联
D.有转向滑车

[单选题] 出口押汇业务经有权审批人审批后， 如需办理应收账款质押手续，客户部门应在（ ）办理质押登记并下载登记证明， 由申请人签章确认。
A. 不动产登记系统
B. GTF 系统
C. ARFP 系统
D. 中国人民银行应收账款质押登记公示系统

[多选题]以下属于OSI参考模型七层的有( )
A.物理层
B.数据链路层
C.网络互连层
D.网络接口层

[单选题]局级视频会议，会前（ ）分钟开机试线。
A.20
B.40
C.30
D.60

[多选题]（ ）停电检修，无法装设接地线时，应采取绝缘遮蔽或其他可靠隔离措施。
A.低压配电设备
B.配电变压器
C.高压架空线路
D.低压电缆
E.集束导线

[单项选择]产生气虚的原因，下列哪一项是不准确的
A. 先天禀赋不足
B. 后天饮食失养
C. 肺脾肾三脏功能失调
D. 忧思则伤心脾
E. 劳倦内伤

[填空题]动态令牌的有效期一般为()年。

[多项选择]我国人口、资本存量与均衡工资率，包括( )。
A. 人口对劳动力供给的影响
B. 人口年龄结构组合的供给影响
C. 人口城乡结构
D. 资本存量对劳动力需求的影响
E. 人口、资本存量与劳动力市场均衡

[单选题]综合录井仪传感器参数技术指标，钻井液密度传感器测量范围0~3g/cm3，最大允许误差（）。
A.0.020g/cm3
B.0.015g/cm3
C.0.010g/cm3
D.0.005g/cm3

[多选题](多选题)啮齿式快开门压力容器的啮齿日常检查应包含()。
A.快开门密封面是否完好
B.安全联锁装置是否完好
C.啮齿无变形
D.啮齿是否存在裂纹
E.啮齿的磨损情况

[简答题]半自动闭塞区段,遇发车进路信号机故障或超长列车头部越过发车进路信号机发车时,列车越过发车进路信号机的行车凭证为( )。

[判断题]闭式、半开式、开式三种叶轮类型中开式叶轮效率最高。( )
A.正确
B.错误

[多项选择]14岁的小辉两个月前刚随父母从另一个城市搬到北京，父母工作繁忙，无暇教育和照顾小辉；小辉普通话不太好，上学期间不太愿意和同学们交流，学习也不太顺利，学习成绩不佳，时常遭到批评；他所居住的小区有几个网吧，小辉成为这些地方的常客。小辉的父母因为小辉的“不良情形”来向社会工作者求助。在分析小辉的问题时，需要关注以下哪些环境因素？（）
A. 家庭环境
B. 朋辈群体
C. 大众传媒
D. 社区文化
E. 学校氛围

[判断题]为了焊接不同厚度和材料的工件，焊机的电流必须可调。( )

[简答题]货物列车中编挂关门车时，编挂位置有何限制？ J262

[单项选择]下列关于船舶电话通信系统说法不正确的是（）
A. 总机电话系统
B. 指挥电话系统
C. 自动电话系统

[单选题](　　)按输出的流量能否调节可分为定量泵和变量泵（易）
A.液压马达
B.液压缸
C.液压泵
D.滤油器

[填空题]
( )包退包换 ( )禁止入内

[多选题]工作负责人（监护人）的安全责任有哪些？（）
A.正确安全地组织工作；
B.确认工作票所列安全措施正确、完备，符合现场实际条件，必要时予以补充；
C.工作前对工作班全体成员告知危险点，督促、监护工作班人成员执行现场安全措施和技术措施。

[单项选择]城市生活垃圾随意堆放产生的（）对土壤环境的危害很大。
A. 煤烟
B. 噪音
C. 渗出液
D. 霉臭味

[单选题]试验装置的电源开关，应使用（），并在刀刃或刀座上加绝缘罩，以防误合。
A.单极刀闸
B.双极刀闸
C.有过载保护的开关
D.电动开关

[判断题]远方控制中，主站可以根据需要向终端或电能表下发遥控跳闸命令，控制用户开关跳闸。
A.正确
B.错误

[填空题]A
Henry James When he was growing up in New York, Henry was given a great deal of independence, so much in fact, that he felt isolated from other people. As a quiet child among exuberant brothers and cousins, Henry was more often an observer than a participant in their activities. When, as a young man, a back injury prevented his fighting in the Civil War, he felt even more excluded from the events of his time. While the adult Henry James developed many close friendships, he retained his attitude of observer, and devoted much of his life to solitary work on his writing.
Henry’s family lived for a time in Boston, where he became acquainted with New England authors and friends of his father, began his friendship with William Dean Howells, and attended Harvard Law School. After 1866, James lived in Europe much of the time and in 1875 decided to make it his permanent home. He lived in Paris for a year, where he met Turgenev, Flaubert, and Zola. The nex