热门试题:
[单项选择]梅雨季节。某蜂场仅工蜂发病,病蜂腹部膨大,有下痢现象,体质衰弱,无力飞行,不久死亡如要进一步确诊,首选的检查方法是()
A. 肉眼直接检查
B. 熏蒸检查法
C. 封盖巢房检查法
D. 取病蜂肠道上的马氏管作涂片镜检
E. 取病蜂中肠的捣碎液涂片镜检
[判断题]依据《电力企业应急预案管理办法》(国能安全[2014]508号),电力企业编制的应急预案应当每三年至少修订一次,预案修订结果应当详细记录。(1.0分)
A.正确
B.错误
[单项选择] You are the systems engineer for Contoso, Ltd. The internal network consists of a Windows NT 4.0 domain. The company maintains a separate network that contains publicly accessible Web and mail servers. These Web and mail servers are members of a DNS domain named contoso.com. The contoso.com zone is hosted by a UNIX-based DNS server running BIND 4.8.1. Contoso, Ltd., is planning to migrate to a Windows Server 2003 Active Directory domain-based network. The migration plan states that all client computers will be upgraded to Windows XP Professional and that all servers will be replaced with new computers running Windows Server 2003. The migration plan specifies the following requirements for DNS in the new environment: • Active Directory data must not be accessible from the Internet. • The DNS namespace must be contiguous to minimize confusion for users and administrators. • Users must be able to connect to resources in the contoso.com domain. • Users must be able to connect to resources located on the Internet. • The existing UNIX-based DNS server will continue to host the contoso.com domain. • The existing UNIX-based DNS server cannot be upgraded or replaced. You plan to install a Windows Server 2003 DNS server on the internal network. You need to configure this Windows-based DNS server to meet the requirements specified in the migration plan. What should you do? ()
A. Create a primary zone named ad.contoso.com on your Windows-based DNS server. Create a delegation record for the new zone on the UNIX-based DNS server. Configure forwarders on your Windows-based DNS server.
B. Create a primary zone named ad.contoso.com on the UNIX-based DNS server. Create a secondary zone on your Windows-based DNS server for the ad.contoso.com domain.
C. Create a primary zone named contoso-ad.com on your Windows-based DNS server. Create a secondary zone on the UNIX-based DNS server for the contoso-ad.com domain.
D. Create a primary zone named contoso-ad.com on the UNIX-based DNS server. Create a stub zone on the Windows-based DNS server for the contoso-ad.com domain. Configure conditional forwarders on your Windows-based DNS server for the contoso-ad.com and contoso.com domains.
[判断题]机车履历簿,机车报废后销毁。( )
A.正确
B.错误
[单选题]处方药不得
A.有涉及药品的宣传广告
B.在大众传播媒介发布广告
C.发布广告
D.在零售药店销售
E.在医院销售
[单项选择]在霍奇金病需行肺预防照射病例,肺预防照射剂量为( )
A. 1200cGy
B. 1650cGy
C. 30O0cGy
D. 2500cGy
E. 2000cGy
[单选题]稽查局采取从被执行人开户银行或者其他金融机构的存款中扣缴税款、滞纳金、罚款措施时,应当向被执行人开户银行或者其他金融机构送达的文书是( )。
A.《税务协助执行通知书》
B.《冻结存款通知书》
C.《扣缴税收款项通知书》
D.《扣缴税收款项决定书》
[单项选择]在班集体建设中最关键的因素是( )。
A. 教师
B. 班风
C. 目标和规范
D. 教学活动
[填空题]司机在调车作业中应时刻注意确认信号,没有信号( )不准动车,信号( )不清( )。
[单选题]遇信号降级模式下关门时先关( ),在关( )。
A.车门、站台门
B.站台门、车门
C.车门、司机室侧门
D.站台门、司机室侧门
[简答题]刑事诉讼法对未成年犯罪嫌疑人、被告人的诉讼权利的特殊保障主要体现在哪些方面?
[填空题]In nineteenth-century America, most migrants went west because the region seemed to promise a better life.
Life on the farm, however, was much harder than it was (36) Migrants often encountered shortages of (37) they had once taken for granted. The open grassland contained little wood for (38) and fuel. Water was sometimes (39) as well. Few families were lucky or wealthy enough to buy land near a stream that did not dry up in summer and (40) in winter.
The weather was seldom predictable. In summer, weeks of extreme heat and dry winds often gave way to violent storms that washed away crops and (41) . In winter, the wind and cold from blizzards piled up (42) snowdrifts that halted all outdoor movement. The storm trapped schoolchildren and killed several parents who (43) out to rescue them. (44) . In the fall, a week without rain could turn dry grasslands into tinder, and the sl
[单选题]一般照明线路中,无电的依据是( )。
A.用摇表测量
B.用电笔验电
C.用电流表测量
[不定项选择]在不锈钢管道安装时,不锈钢管壁厚大于()mm的管子需要焊前预热。
A. 12
B. 14
C. 16
D. 18
[单项选择]在生态系统中,连接生物和无机环境的两个重要组成成分是()
A. 生产者和非生物成分
B. 消费者和有机物质
C. 生产者和消费者
D. 生产者和分解者
[简答题]不具备保护层开采条件的煤与瓦斯突出煤层,应采取哪些措施治理瓦斯?
[单选题]当经纬仪的视准轴与横轴不垂直时,望远镜绕横轴旋转时,其视准轴的轨迹面正确的是(____)
A. 水平面
B. 对顶圆锥面
C. 对称抛物线
D. 倾斜面
[单项选择]复合溃疡是指()。
A. 发生于胃部的2个以上溃疡
B. 发生于十二指肠的2个以上溃疡
C. 同时发生于十二指肠前壁和后壁的溃疡
D. 同时或先后发生于胃和十二指肠的活动性溃疡
E. 复合溃疡时胃体部溃疡多于胃窦部溃疡
[判断题]安全帽使用时,应将帽箍调紧,防止工作中前倾后仰或其他原因造成滑落。
A.正确
B.错误
[单项选择]关于总监理工程的说法错误的是( )。
A. 设备监理项目的负责人习惯上称为总监理工程师,相当于一个项目经理
B. 总监理工程师是一个专职的专业技术人员
C. 他的工作与工程师的工作完全不同
D. 他是一个设备监理任务(临时的、一次性的任务)和设备监理机构(临时机构)的负责人
[单选题]液压轨缝调整器容易出现故障的部位是( )。
A.操作杆
B.油箱
C.油泵
D.液压传动系统
[填空题] 凡参与调车工作的人员,均须严格按照车站技术作业过程及调车作业计划,质量良好的完成调车任务,保证( )。
[单项选择]无症状细菌尿应给予治疗的是().
A. 学龄前儿童
B. 青少年
C. 青壮年
D. 老年人
E. 非妊娠期妇女
[单选题]某测站海拔高度为40 米,本站气压为1000hPa,气温为0℃,问:其海平面气压为()
A.1004hPa
B.1005hPa
C.1006hPa
[单项选择]妊娠早期卵巢变化的特征是
A. 妊娠期间卵巢仍可排卵
B. 卵巢不断增大,黄体持续发育
C. 妊娠黄体在妊娠8周时开始萎缩
D. 孕12周后由胎盘取代妊娠黄体功能
E. 妊娠10周前,妊娠黄体产生雌、孕激素维持妊娠
[单选题]【HL】 筒式钢球磨煤机主要是以 ( ) 磨制煤粉的。
A. 撞击作用/碾压作用
B. 碾压作用
C. 冲击作用/摩擦作用
D. 摩擦作用
[多项选择]水泥复试内容有()。
A. 抗压强度
B. 抗折强度
C. 安定性
D. 凝结时间
E. 耐久性
[多项选择]关于肿瘤细胞的葡萄糖代谢特点描写正确的是()
A. 糖酵解增强
B. 糖分解增强
C. 细胞膜葡萄糖转运体高表达
D. 细胞内已糖已酶高表达
E. 磷酸化酶大多数情况低表达
[简答题]普通叉车为例,说明其工作装置由哪几部分组成?
[单选题]有限空间作业气体检测数值单位ppm表示气体浓度的( )浓度。
A.体积
B.质量
C.面积
D.
E.略
F.略
[简答题]体育运动展示了运动员的技能,展现了其精神面貌。对于观众而言,哪一方面更有吸引力呢?谈谈你的看法。
[单项选择]扩展名为.JPG的文件属于()。
A. 音频文件
B. 视频文件
C. 图形文件
D. 可执行文件
[单项选择]若爷爷坐在小明的对面,则奶奶必须与下面哪二个人相邻
A. 小明
B. 妹妹
C. 阿姨
D. 妈妈
[单选题]无人机第四转弯正常时,当转弯剩余角为( )时,飞机应正好在( )。(单选题)
A. 30°-250°跑道外侧边线上
B. 30°-250°跑道内侧边线上
C. 20°-200°跑道外侧边线上
D. 20°-200°跑道内侧边线上