热门试题:
[不定项选择题]A.C区
A.轻链
B.V区
C.重链
D.绞链区
E.与立体构型改变有关的部位
[判断题]货物列车编组计划是全路的车流组织计划。
A.正确
B.错误
[多选题]水处理的主要任务是( )。
A.防止锅炉结垢
B.防止锅炉腐蚀
C.减少排污
D.保证蒸汽品质;
E.化学清洗
[多选题]阀外冷管道应采用优质耐腐蚀管材,并采用(____)敷设。
A.管沟
B.架空
C.填埋
D.吊装
[判断题]在带电区段调车作业时,严禁调车人员攀登机车车辆或装载货物顶上,为保证人身安全,任何人员所携带的物件(包括长杆、扶梯等)与接触网带电部位需保持1 米以上的安全距离。( )
A.正确
B.错误
[多项选择]我国商业银行的核心资本包括( )。
A. 盈余公积金
B. 实收资本
C. 资本公积金
D. 未分配利润
E. 贷款呆账准备金
[多选题]建设项目管理规划内容涉及的范围和深度,在理论上和工程实践中并没有统一的规定,应视项目的特点而定,一般包括的内容有( )。
A.进度控制的方法和手段
B.项目的目标分析和论证
C.风险管理的策略
D.安全、健康与环境管理的策略
E.技术路线和所有技术的分析
[判断题]PSL 602U纵联保护零序电流3I0大于零序电流启动定值,持续10s后报“CT不平衡”,并且闭锁 零序电流启动元件 。
A.正确
B.错误
[单项选择]评价水质清洁度和考核净化效果的指标是()。
A. 菌落总数
B. 总大肠菌群
C. 耐热大肠菌群
D. 大肠埃希菌
E. 隐孢子虫
[判断题]生产经营单位委托工程技术人员提供安全生产管理服务的,保证安全生产的责任由受托工程技术人员负责。( )
A.正确
B.错误
[单选题] 弗洛伊德学说在咨询心理学历史上属于( )。
A. 行为学派
B. 认知学派
C. 动力学派
D. 人本主义学派
[单选题]依据《中国南方电网有限责任公司电力安全工作规程》(Q/CSG510001-2015)第6. 7. 3. 2条规定:填用数日内有效的线路第一种工作票,每日收工时若将工作地点所装设的( )拆除,次日恢复工作前应重新验电、接地。
A.安全遮拦
B.标示牌
C.接地线
D.警示牌
[单项选择]It was a holiday weekend. The police officers were sitting in a hot room (56) in-structions(指示)from their captain. One of these officers (57) Ed Williams. He and ten other officers were on special (58) because they knew that two weeks (59) over 400 people had died from accidents (60) by drivers. Over 4,000 people had received seri-ous injuries, all caused by drunken drivers. The (61) would try their best to prevent (62) accidents before they happened.
Joe Forest was (63) himself at a family party. It was getting late and Joe told his sister that he was (64) . Joe’s sister asked him to stay and wait a few hours (65) he drove. "Don’t worry. I’m going to be fine. I’m going to drive slowly. I only had a few (66) ," Joe said.
Officer Williams was at his post (67) the passing cars. A green car was coming, (68) from left to right. Officer Williams stopped (69) and told Joe to get out. He as
A. had to
B. mustn’t
C. must
D. didn’t have to
[单选题]暗五孔(C中档) 单位 个 批发价( )
A.6.70
B.13.0
[单选题]按列车运行方向分,自动闭塞区段采用()运行图。
A. 成对
B. 追踪
C. 非追踪
D. 不成对
[单选题]个人贷款分期贷款中,定日还款的首、末期按照()计息,其它整期还款仍按照每月30天计息。
A.实际天数
B.30天
C.28天
D.31天
[单选题]:PNP型晶体三极管中b 、c 、e表示( )。
A.b—基极、c一集电极、e一发射极
B.b一集电极、c一基极、e一发射极
C.b一发射极、c一集电极、e一基极
D.b_-基极、c一发射极、e一集电极
[单选题]带电断、接空载线路时,作业人员应戴护目镜,并采取( )。
A.防感应电措施
B.绝缘隔离措施
C.防护措施
D.消弧措施
[单项选择]Using income to study the standard of living fails to capture all of the following EXCEPT______.
A. the living standards of people who lived further back in history
B. consumption of basic necessities
C. how resources are allocated within families
D. production of basic necessities
[判断题]API内平对焊钻杆,钻杆外径73mm,内径是55mm,加厚部分外径为85mm。
A.正确
B.错误
[单选题]3.360. 第360题光伏设备安装后,在并网之前,只需要连接直流侧,开启逆变器,检查机器的时间设置及安规设置是否正确。——
A. 正确
B. 错误
[单选题]( )的空气温度超过34度时,必须停止作业。
A.采、掘工作面
B.回风大巷
C.机电设备硐室
[多选题]禁止擅自在中型以上桥梁跨越的河道上下游各1000米范围内进行以下哪些活动。()
A.抽取地下水
B.架设浮桥
C.修建其他危及公路桥梁安全的设施
D.捕鱼
[多选题]电缆线路供油系统验收含( )等工程的验收。
A. 压力箱
B. 油管路
C. 电触点压力表
D. 油箱。
[单项选择]
Space is a dangerous place, not only because of meteors (流星) but also (1) rays from the sun and other stars. The atmosphere again (2) as our protective blanket on earth. Lightgets through, and this is essential for plants to (3) the food which we eat. Heat, too, makes our environment endurable. Various kinds of rays come through the air (4) outer space, but enormous quantities of radiation from the sun are (5) off. As soon as men leave the atmosphere they are (6) to this radiation, but their space suits or the walls of their spacecraft, if they are inside, (7) prevent a lot of radiation damage. (8) is the greatest known danger to explorers in space. The unit of radiation is called "rem". Scientists have (9) to think that a man can (10) far more radiation than 0.1 ram without being damaged: the figure of 60 rems has been agreed on. The trouble is that it is extremely difficult to make (11) about
A. uses
B. acts
C. treats
D. floats
[单选题]日光灯的工作原理是( )。
A.辉光放电
B.电流的热效应
C.电流的磁效应
D.光电效应
[填空题]Life-style is the way a person lives work, leisure time, hobbies, other interests, and personal philosophy. One’s personal life-style may be{{U}} (36) {{/U}}work, including few social activities. Another’s may involve hobbies,{{U}} (37) {{/U}}activities, or personal philosophy.
There is little doubt that life-styles are changing and that these changes will have an{{U}} (38) {{/U}}on the way business operates in the years{{U}} (39) {{/U}}. Several factors are causing life-style changes in U.S. society.
First, there is more leisure time than ever before. The workweek is now less than forty hours, as{{U}} (40) {{/U}}to seventy hours a century ago. Some{{U}} (41) {{/U}}believe it will be twenty-five hours or less before the year 2000. Several firms have{{U}} (42) {{/U}}four day workweeks with more hours per day. Others have cut the number of hours worked each week. Reduced work{{U}} (43) {{/U}}mean increased leisure time.
Second, families have fewer children tha
[单选题]凡结构物或构件劣化,对其使用功能和行车安全影响较小,评定为()级。
A.C
B.AA
C.B
D.A1
[单选题]预备党员的预备期为( )。
A.半年
B.一年
C.一年半
D.两年
[单选题]iPhone 的文件夹功能为顾客带来哪些好处?( )
A.它可以帮您在喜爱的应用程序间迅速切换。
B.它帮您轻松整理应用程序。
C.它让 iPhone 更耐用。
D.它帮您搜索 iPhone 上的内容。
[单选题]创业能力是影响创业实践活动效率、保证顺利实现创业目标的( ),一般包括专业技术能力、经营管理能力和综合能力。
A.特殊能力
B.一般能力
C.关键
D.个人魅力
[判断题]自然美原意是指不用修饰,自然而然的美,是事物本质的外观呈现。
[多项选择]城镇居民家庭总收入是指调查户中生活在一起的家庭成员在调查期得到的()之和。
A. 工资性收入
B. 经营净收入
C. 财产性收入
D. 转移性收入
E. 借贷收入
[单选题]孙中山先生从青年时代就关心植树造林,大力提倡“植树以收利,蓄木以为薪”。这一理想贯彻于他一生的言行中。在他逝世后,人们秉承他的遗志,将每年3月12日(孙中山逝世日)定为植树节,一改过去以清明节为植树节的制度。孙中山关心植树造林主要体现了( )。
A.民本思想
B.民族主义思想
C.民权主义思想
D.民生主义思想
[单项选择]有消化道溃疡史者禁用()。
A. 扑尔敏
B. 阿司匹林
C. 普鲁本辛
D. 硫酸舒喘灵
E. 干酵母
[单选题]CCBⅡ制动机“第二步闸”全制位:制动缸( )s增压到360kPA。
A.5~7
B.4~8
C.6~8
[单选题]砍剪树木时,应使用安全带。安全带不准系在待砍剪树枝的断口( )
A.附近
B.附近或以上
C.以上
D.以下