热门试题:
[单选题][T]A-F-D-001 4 2 127.5kV多个电缆终端并联时,其间空气绝缘距离不小于()。
A.30mm
B.40mm
C.50mm
D.35mm
[单选题]在邻近带电110kV线路进行工作时,人体、导线、施工机具等与带电导线的安全距离应为( ) m,牵引绳索和拉绳与带电导线的最小安全距离为( ) m。
A.1;3
B.2.5;4
C.3;5
D.4;6
[单项选择]根据《中华人民共和国消费者权益保护法》规定,消费者协会不得从事以下哪项活动?()
A. 消费信息和咨询服务
B. 支持消费者提起诉讼
C. 商品经营和营利性服务
D. 对投诉事项进行调查、调解
[单选题](1分)用户能够在手机APP通过()分享给其他用户。
A. 添加被分享人的固话号
B. 添加被分享人的身份证号
C. 添加被分享人的虚拟唯一标识
D. 添加被分享人的手机号
[判断题]硅可显著提高抗拉强度,但不利于屈服强度的提高。
A.正确
B.错误
[单选题].关于旅客托运小动物的操作正确的是:( )
A.跟普通行李操作无区别
B.需要收取小动物与容器的运输费用
C.对超重部分收取逾重行李费
D.只收取小动物的费用。
[单项选择]根据Hellman咬合发育阶段,ⅢA指的是下面哪一个阶段()
A. 乳牙咬合完成期
B. 第一恒磨牙及恒前牙萌出开始期
C. 第一恒磨牙萌出完成期
D. 侧切牙群替换期
E. 第二恒磨牙萌出开始期
[简答题]叙述十全大补丸的商品特征、规格包装及性状评价标准。
[单选题]3.135. 第135题
交流耐压试验是考核电力设备绝缘强度最有效和最直接的方法。
A.正确
B.错误
[单选题]列控系统工作时,不断地将地形信息前方目标点的距离和允许“ ”等,从地面传至车上。
A.钢轨信息
B.地形信息
C.距离信息
D.速度信息
[判断题]架空电力线路杆身倾斜.直线杆不大于一个梢径时,可视其为合格。(1分)
A.正确
B.错误
[多项选择]与奥卡西平相关的正确描述是()
A. 二苯并氮革母核
B. 具有苯二氮䓬母核
C. 是卡马西平的10-氧代衍生物
D. 具有酰胺结构
E. 具有不良反应低、毒性小的优点
[多项选择] You need to ensure that SMTP e-mail messages can be delivered when the messages are sent to addresses that end with @fourthcoffee.com and are intended for the Exchange Server 5.5 environment. Which three courses of action should you perform?()
A. Create mail-enabled contacts in the fourthcoffee.com domain for each Exchange Server 5.5 recipient. Establish the e-mail address to have an address that ends with @oldmail.fourthcoffee.com
B. Create mail-enabled contacts in the fourthcoffee.com domain for each Exchange Server 5.5 recipient. Establish the e-mail address to have an address that ends with @fourthcoffee.com
C. Configure each Exchange Server 5.5 recipient to have an address e-mail address that ends with @oldmail.fourthcoffee.com. Set the @oldmail.fourthcoffee.com address to be the default reply address
D. Configure each Exchange Server 5.5 recipient to have an additional e-mail address that ends with @oldmail.fourthcoffee.com. Set the @fourthcoffee.com address to be the default reply address
E. Configure each Exchange Server 5.5 recipient to use a single SMTP address that ends with @oldmail.fourthcoffee.com
F. Configure an SMTP connector between the Exchange Server 2003 routing group at the Sydney office and the Exchange Server 5.5 site at the Sydney office. Configure the connector namespace to be oldmail.fourthcoffee.com
G. Configure an SMTP connector between the Exchange Server 2003 routing group at the Sydney office and the Exchange Server 5.5 site at the Sydney office. Configure the connector namespace to be fourthcofee.com
[单项选择]为行为主义奠定了理论基础的学说是( )。
A. 自我心理学
B. 经典条件反射学说
C. 社会学习理论
D. 操作条件反射学说
[单项选择]标准式槽式分样器有()叉槽。
A. 5个
B. 15个
C. 32个
D. 19个
[单项选择] Educators are seriously concerned about the high rate of dropouts between the doctor of philosophy candidates and the consequent loss of talent to a nation in need of Ph. D. s. Some have placed the dropouts loss as high as 50 percent. The extent of the loss was, however, largely a matter of expert guessing. Last week a well-rounded study was published. It was based on 22, 000 questionnaires sent to former graduate students who were enrolled in 24 universities and it seemed to show many past fears to be groundless.
The dropouts rate was found to be 31 per cent, and in most cases the dropouts, while not completing the Ph.D. requirement, went on to productive work. They are not only doing well financially, but, according to the report, are not far below the income levels of those who went on to complete their doctorates.
Discussing the study last week, Dr. Tucker said the project was initiated "because of the concern frequently expressed by graduate faculties and administrators
A. Dropouts are substantially below Ph. D. s in financial attainment
B. the incentive factor is a minor one in regard to pursuing Ph. D. studies
C. the Ph. D. candidate is likely to change his field of specialization if he drops out
D. about one-third of those who start Ph. D. work do not complete the work to earn the degree
[单项选择]病毒蚀斑(空斑)试验可用于测定()
A. 病毒悬液中病毒的核酸种类
B. 病毒悬液中病毒的含量
C. 病毒悬液中病毒的类型
D. 病毒悬液中病毒的穿透能力
E. 病毒悬液中病毒的黏附力
[单选题]混凝土喷射机的机械操作和喷射操作人员之间应通过有效信号联系。喷射操作人员应配戴( ).
A.戴手套
B.毒口罩
C.护目镜
D.太阳帽
[单项选择]整个教学方法体系中运用最多、最广的一种方法是( )。
A. 讲授法
B. 讨论法
C. 读书指导法
D. 谈话法
[多选题] 编组站、区段站在( )以外的线路上停留车辆,不进行调车作业时,应连挂在一起,并须拧紧两端车辆的人力制动机,或以铁鞋(止轮器、防溜枕木等)牢靠固定。
A. 调车线
B. 到发线
C. 货物线
D. 专用线
[判断题]交流配电柜停电告警试验每季进行一次。( )
A.正确
B.错误
[单选题]煤矿企业、矿井的()是本单位防治水工作的第一责任人。
A.主要负责人
B.总工程师
C.技术负责人
[多选题]资本主义制度的历史进步性主要表现在( )
A.促使科学技术转变为生产力
B.追求剩余价值的动力和竞争的压力推动了生产力发展
C.资本主义政治制度促进和完善了资本主义生产方式
D.资本主义意识形态促进和完善了资本主义生产方式
[单选题]电压用符号( )表示。
A.I
B.U
C.A
D.R
[单选题]根据《建设工程高大模板支撑系统施工安全监督管理导则》第3.1条规定,高大模板支撑系统搭设前,应由()组织对需要处理或加固的地基、基础进行验收,并留存记录。
A.总监理工程师
B.施工单位技术负责人
C.项目技术负责人
D.项目经理
[单选题]电流速断保护动作电流整定按躲过变压器负荷侧母线短路时流过保护的( )。
A.最大短路电流
B.最大工作电流
C.最小短路电流
D.最小工作电流
[单项选择]某甲系某县人大代表,因涉嫌受贿被拘留。以下表述正确的是哪项( )
A. 应当在人民检察院执行拘留后,报请该县人大常委会
B. 应当在公安机关执行拘留后,报请该县人大常委会
C. 应当报请该县人大常委会许可,然后由公安机关执行
D. 应当报请该县人大常委会许可,然后由人民检察院执行
[单选题]疟疾复发的根源是
A.速发型子孢子大量增殖
B.迟发型子孢子大量增殖
C.红内期残存的疟原虫大量增殖
D.大量配子体发育
[单选题]腹部手术后行胃肠减压的病人,拔管的依据为 ( )
A.术后 48 小时
B.术后 72 小时
C.肛门有排气
D.术后 46~47 小时
[单选题]土壤电阻率较高地区,如岩石、瓦砾、沙土等,应采取增加接地体根数、长度、截面积或埋地深度等措施改善接地电阻。
A. A.正确
B.B.错误
[单项选择]
B
Unless we spend money spotting and preventing asteroids now, one might crash into Earth and destroy life as we know, say some scientists.
Asteroids are different forms of the meteoroids that race across the night sky. Most orbits the sun far from Earth and don’t threaten us. But there are also thousands of asteroids whose orbits put them on a violent coming course together with Earth.
Buy $ 50 million worth of new telescopes right now. Then spend $10 mil]ion a year for the next 25 years to locate most of the space rocks. By the time we spot a fatal one, the scientists say, we’ll have a way to change its course.
Some scientists favor pushing asteroids off course with nuclear weapons. But the cost wouldn’t be cheap.
Is it worth it Two things experts consider when judging any risk are: 1) How likely the event is; and 2) How bad the consequences if the event occurs. Experts think asteroids big enough to destroy lots o
A. asteroids racing across the night sky are likely to hit Earth in the near future
B. workable solutions still have to be found to prevent a violent coming course of aster olds with the earth
C. the worry about asteroids can be left to future generations since it is unlikely to happen in our lifetime
D. while pushing asteroids off course nuclear weapons would destroy the world
[单项选择]下列不属于镇规划技术原则的是( )。
A. 科学合理性原则
B. 独特性原则
C. 可操作性原则
D. 因地制宜原则
[判断题]( )高空作业时使用梯子,其踏步间距不得大于500毫米。
A.正确
B.错误
[单项选择]以下各项中, ( )是关于进口许可证的有效期和准予延长的期限正确的表述。
A. 有效期为半年,当年有效,需要跨年度使用时,有效期最长不得超过次年5月底
B. 有效期为半年,在公历年度内有效,不能延期
C. 有效期为一年,但仅在公历年度内有效,不得延期
D. 有效期为一年,需要跨年度使用时,有效期截止日期不得超过次年3月底
[单项选择]治疗麻疹初起,透发不畅,应选用的药组是()
A. 葛根、菊花、蔓荆子
B. 桑叶、菊花、柴胡
C. 香薷、紫苏、防风
D. 升麻、葛根、蝉蜕
E. 薄荷、葱白、牛蒡子
[单项选择]某女,32岁,合并乙型肝炎,4小时前自然临产,护士对其产时进行了护理,并且进行了健康指导,请回答下列问题。为了防止新生儿感染乙肝,指导和护理措施中,正确的做法是()。
A. 继续保肝措施
B. 新生儿隔离2周
C. 积极给予新生儿免疫接种乙肝疫苗
D. 产后不要采用避孕药避孕
E. 使用雌激素回奶