热门试题:
[单项选择]对于整体吊弦,其截面损耗不得超过()。
A. 20%
B. 25%
C. 30%
D. 50%
[单项选择]患者,男,42岁,建筑工人。左腰部被工具车撞击,由工友陪同前来就诊。查体:血压9/6kPa,心率140次/分,左腰部扪及肿块伴压痛。此时,除严密观察病情外,首要的处理措施是()。
A. 留置导尿管
B. 引流外渗尿液
C. 输血、输液
D. 止血
E. 预防感染
[单选题]单项选择题:液压泵铭牌标识压力为p=6.3MPa,工作阻力F=45KN,双出杆活塞式液压缸的有效工作面积A=90cm2,管路较短,其压力损失ΔP=0.5MPa,该泵的输出压力为( )。
A. 5MPa
B. 2.5MPa
C. 5.5MPa
D. 6.3MPa
[单项选择]Shopping habits in the United States have changed greatly in the last quarter of the 20th century. Early in the 1900s most American towns and cities had a Main Street. Main Street was always in the heart of a town. This street was (31) on both sides with many various businesses. Here, shoppers walked into stores to look at all sorts of merchandise: clothing, furniture, hardware, groceries. (32) , some shops offered (33) . These shops included drugstores, restaurants, shoe-repair stores, and barber or hairdressing shops. (34) in the 1950s, a change began to (35) . Too many automobiles had crowded into Main Street (36) too few parking places were available to shoppers. Because the streets were crowded, merchants began to look with interest at the open spaces (37) the city limits. Open space is what their car-driving customers needed. And open space is what they got when the first shopping centre was built. Shopping centres, or rather mal
A. while
B. yet
C. though
D. and then
[判断题]合营企业准备延长合营期限的,应当在距合营期限届满3个月前向审批机关提出申请。( )
[单选题].
如果是残冠或残根,常需分根后拔除的牙是:
A.
下颌中切牙
B.
下颌近中阻生智齿
C.
上颌中切牙
D.
上颌前磨牙
E.
上颌第一磨牙
[单选题]插制不对称式构图作品时,最好选用自然弯曲的线形花材作为( )。
A.主体花
B.焦点花
C.骨架花
D.填充花
[判断题]甲醇精馏塔再沸器内漏,造成蒸汽窜进精馏塔内,应将蒸汽冷凝液改就地排放。
A.正确
B.错误
[单选题]电力监控系统安全区连接的拓扑结构有三种结构,( )结构各区可直接相连,效率较高,但所用隔离设备较多。
A.链式
B.总线
C.三角
D.星形
[判断题]果实可以分为单果和复果两大类。
A.正确
B.错误
[多项选择]下列各项中,属于财务费用核算内容的有( )。
A. 利息支出
B. 汇兑损失
C. 现金折扣
D. 商业折扣
[单选题]腹部检查下列哪项错误:( )
A.振水音见于幽门梗阻
B.肋下扪及肝脏提示肝大
C.脾脏正常时不能扪及
D.肠鸣音消失可见于肠麻痹
E.腹主动脉搏动正常人可触到
[单项选择]Amphibious vehicles, those that can move on both land and water, have been in use for a number of years, but while most of them were fairly fast on land, they moved quite slowly when they were functioning as boats. The only truly amphibious vehicle that can move with equal ease on both land and water is the hovercraft (气垫船). The hovercraft is the invention of an electronics engineer named Christopher Cockerell. Cockerell’s hobby was sailing and he was interested in the problem of reducing the friction of water on the body of a boat, and hit on the idea of designing a boat which would travel on a cushion of air.
The air cushion under a hovercraft is produced by a large fan which blows air downwards between the craft and the water or ground, and so lifts up the craft. The air is main-rained at higher than atmospheric pressure by a flexible rubber "skirt" around the bottom edge of the hovercraft, preventing leakage of air from the cushion. Because the hovercraft floats on the air c
A. are moved forward by propellers
B. travel on a cushion of air
C. are lifted up by a flexible rubber "skirt"
D. move faster on land than on water
[多选题]中队执勤队长职责有()。
A.贯彻落实上级的有关规定、指示,保证人员、器材装备时刻处于良好的战备状态;
B.掌握本中队执勤人员、器材装备和执勤制度落实等情况;
C.开展辖区情况调查,制定执勤战斗预案,定期实施演练;
D.熟悉辖区交通道路、消防水源、消防安全重点单位执勤战斗预案等情况,掌握辖区主要灾害事故的种类、特点及处置对策。
[多项选择]建设项目总体规划关系到( )。
A. 建筑物的功能组织和平面布局
B. 总体运输及交通组织的合理性
C. 土地的合理利用
D. 建筑产品或工程目的物的质量目标值
E. 竖向设计
[单选题]癫痫持续状态的首选的药物是( )
A.硫喷妥钠
B.苯妥英钠
C.地西泮
D.异戊巴比妥
[填空题]Deciding on the vacation’s destination(目的地) with your family can be a difficult task, especially when your choice of place does not interest your children. You might plan to visit Alaska, but your children might want to go to the Bahamas. (46) Eastern cities like Beijing, Seoul and Bangkok are on the list of favorite destinations with children. The holiday can prove to be a fun learning experience because you can see things like the Great Wall and learn about different cultures. (47) However, the problem is that getting permission to enter the country, usually takes some time, so plan your trip well ahead of time to ensure a smooth trip to your chosen destination.
European cities have also gained popularity over the years, but a trip might be a little." too expensive. However, the Western Europe country trips generally come with discounts (折扣) and by going to Europe you can experience several different cultures. You can explore the rains of Pompeii (庞贝城的遗迹
[判断题]【判断题】(1.0分)
行政决定作出前,申请人要求撤回行政复议申请的,人民法院应当准许,无需申请人说明理由。()
A.正确
B.错误
[单选题]( )是对急需车辆,当列车技检人员检查完了后,拉风人员随之进行拉风的"先检后拉"的拉风方法。
A.跟踪拉风
B.继续拉风
C.石子拉风
D.循环拉风
[单项选择]确定一种传染病的检疫期是根据该病的()。
A. 最短潜伏期
B. 平均潜伏期
C. 最长潜伏期
D. 传染期
E. 前驱期
[单选题]长轨车运行中,人员必须离开轨端( )米以外,严禁在长轨上走动。
A.1
B.2
C.2.5
D.3
[单项选择]GK1C机车柴油机高温和中冷水泵是()水泵。
A. 齿轮式
B. 离心式
C. 柱塞式
[单项选择]建筑工程质量事故按其后果来分类,可分为( )事故。
A. 未遂和已遂
B. 一般和重大
C. 一级和二级
D. 经常和突发
[单项选择]心绞痛发作时下列哪项心电图改变不会出现()
A. ST段降低≥0.05mV
B. T波平坦,双相或倒置
C. QRS波群≥0.12s
D. ST段降低,T波倒置
E. ST段抬高
[判断题]所有施工必须指派专人防护,防护联系中断时,由现场防护员盯控可继续施工。( )
A.正确
B.错误
[单选题]高处作业许可证期限为( ),并在许可证上明确标注,超过此期限,必须重新办理许可证。
A.一个班次(8小时)
B.24小时
C.12小时
D.两个班次(24小时)
[多项选择]外汇挂钩保本理财产品有投资风险,不应当视为一般的定期存款,其风险包括( )。
A. 汇率风险
B. 流动性风险
C. 集中投资风险
D. 保本理财产品回报的风险
E. 未能成功认购保本理财产品的风险
[单项选择]假定不允许卖空,当两个证券完全正相关时,这两种证券在均值-标准差坐标系中的结合线形状为()。
A. 直线
B. 线段
C. 封闭曲线
D. 双曲线
[单选题]骨筋膜室综合征,最主要的治疗原则是
A.给予血管舒张剂,消除血管痉挛;
B.抬高患肢,以利消肿;
C.被动按摩,以利消肿;
D.臂丛麻醉,解除血管痉挛;
E.解除包扎及固定物,经观察不见好转,切开筋膜减压;
[判断题]IEC 61850引入命名空间是为了解决命名冲突问题,防止出现相同名称却又代表不同含义的两个数据在一起使用发生命名冲突,同时也规范各制造商对标准的扩展原则
A.正确
B.错误
[单选题].行政许可设定机关应当( )对其设定的行政许可进行评价。
A.定期
B.长期
C.不定期
D.视情况
[单项选择]使用万用表不正确的是()。
A. 测电压时,仪表和电路并联
B. 严禁带电测量电阻
C. 测直流时注意正负极性
D. 使用前不用调零
[单选题]多张存单质押申请贷款的,以距离到期日时间( )确定贷款期限,分别发放的除外。( )
A.最远者
B.最近者
C.相同者
D.最早者"
[单选题]贯彻( ),以坚定的意志品质维护国家主权、安全、发展利益,国家安全得到全面加强。
A. 总体国家安全观
B. 维护国家安全观
C. 维护国家主权观
D. 总体国家主权观
[多选题]高处作业时,所使用的( )等应装在牢固的无孔洞的工具袋内,防止落下伤 人。
A.焊条
B.大部件
C.工具
D.小零件