热门试题:
[多选题]组合电器气体回收、抽真空及充气:()过程中,严禁对设备进行任何加压试验及操作。
A.充气
B.静置
C.运行
D.抽真空
[单选题]规定必须横越列车、车列时,应先确认列车、车列暂不移动,然后由( )越过。
A.钻车
B.车底
C.车辆
D.通过台或两车车钩上
[单选题]作业人员应被告知其作业现场和工作岗位存在的危险因素、( )及事故紧急处理措施。
A.技术措施
B.组织措施
C.正确的作业方法
D.防范措施
[多选题]停电检修的线路若在另一回线路的上面,而又必须在该线路不停电情况下进行放松或架设导线、更换绝缘子等工作时,应( )。
A.采取作业人员充分讨论后经批准执行的安全措施
B.保证检修线路的导、地线牵引绳索等与带电线路的导线应保持表5-1规定的安全距离
C.应采取防止导线跳动或过牵引与带电线路接近至表5-1规定的安全距离的措施。
D.要有防止导、地线脱落、滑跑的后备保护措施。
[单选题]高柱信号机柱的倾斜限度不超过( )
A. 25mm
B.30mm
C.36mm
D.40mm
[判断题]运输机场开放使用时确需施工的,应当取得运输机场所在地人民政府的批准。
A.正确
B.错误
[单选题]放置宫内节育器第一年复查次数至少为
A.1次
B.2次
C.3次
D.4次
[单项选择]根据商标法律制度的规定,注册商标有效期满后可以续展注册,每次续展注册的有效期为( )。
A. 6个月
B. 5年
C. 10年
D. 20年
[填空题]{{B}}Part A{{/B}}
{{B}}Directions:{{/B}}
{{I}} For Questions 1-5, you will hear a recording of a conversation between Mary. and the other student about Mary’s prospective job. While you listen, complete the sentences and answer the questions. Use not more than 3 words for each answer. You will hear the recording twice. You now have 25 seconds to read the sentences and the questions below. {{/I}}The kids are available after______.
[多项选择]从最直接的角度,运用收益法评估企业股东全部权益价值,其中收益额应选择( )。
A. 利润总额
B. 净利润
C. 利税总额
D. 营业利润
E. 净现值流量
[单选题]站线道岔与曲线或道岔与其连接曲线之间的直线段长度不应小于( )m。
A.4.5
B.5
C.5.5
D.6
E.7
F.7.5
[判断题] “枫桥经验”的精髓,是群众的事情群众自己决定,做到民事民议、民事民办、民事民管
A.正确
B.错误
[单项选择]工业筛筛孔数目即目数习惯上指
A. 每厘米长度上筛孔数目
B. 每平方厘米面积上筛孔数目
C. 每英寸长度上筛孔数目
D. 每平方英寸面积上筛孔数目
E. 每平方米面积上筛孔数目
[单选题]B-I-001 3 2 3
车床电气控制路线不要求( )。
A.必须有过载,短路,欠压,失压保护。
B.工作时必须启动冷却泵电机;
C.具有安全局部照明设置;
D.主电动机启动采用按钮操作
[单选题]下列关于场地平整的说法不正确的是()。
A.当施工区域积水坑深度超过500mm时,应设安全防护措施
B.当旧基础埋置深度大于2.0m时,宜采用人工开挖和清除
C.路面高于施工场地时,应设置•明显可见的路险警示标志
D.施工机械不得在淤泥、软土上停放、检修
[单项选择]以下哪项是胰岛素的主要调节作用( )
A. 糖代谢
B. 蛋白质代谢
C. 水、盐代谢
D. 维生素代谢
E. 脂肪代谢
[判断题]1.119.
没有电压就没有电流,没有电流也就没有电压。( )
A.正确
B.错误
[简答题]矿井通风动力一般分为自然通风和机械通风。( )
[多选题]电石桶中,容量超过60L的桶身可以使用()滚箍。;
A.扩张
B.分开
C.串联
D.并联
[单选题]人在梯子上时,若要移动梯子必须采取可靠的安全措施。
A.正确
B.错误
C.略
D.略
E.略
F.略
[单选题]一级动火作业,间断时间超过(),继续动火前,应重新测定可燃气体、易燃气体的可燃蒸汽含量,合格后方可重新动火。
A.30min
B.1.0h
C.2.0h
D.3.0h
[单项选择]治疗12周后,取左心室心肌组织进行病理分析,应选用的处死方法是()。
A. 空气栓塞法
B. 断头法
C. 破坏延髓法
D. 急性失血法
E. 开放性气胸法
[不定项选择题]共用题干
Will We Take Vacation in Spaces?
When Mike Kelly first set out to build his own private space-ferry service,he figured his bread-and-butter business would be lofting satellites into high-Earth orbit. Now he thinks he may have figured wrong.“People were always asking me when they could go,”says Kelly,who runs
Kelly Space TechnologT out of San Bernardino,Californi a.“I realized that real market is in space tourism.”
According to preliminary market surveys,there are 10,000 would-be-space-tourists willing to spend $1 million each to visit the final frontier. Space Adventure in Arlington,Virginia,has taken more than 1 30 deposits for a two-hour,$98,000 space tour tentatively(and somewhat dubiously)set to occur by 2005 .Gene Meyers of the Space Island Group says:“Space is the next exotic vacation spot.”
This may all sound great,but there are a few hurdles.Putting a simple satellite into orbit with no oxygen,life support or return trip necessary already costs an astronomical $22,000/kg.
And that doesn't include the cost of insuring rich and possibly litigious passenger. John Pike of the
Federation of American Scientists acerbically suggests that the entire group of entrepreneurs trying to corner the space tourism market have between them“just enough money to blow up one rocket.”The U .S.space agency has plenty of money but zero interest in making space less expensive for the little guys.So the little guys are racing to do what the government has failed to do:design a reusable launch system that's inexpensive,safe and reliable.Kelly Space's prototype looks like a plane that has sprouted rocket engines.Rotary Rocket in Redwood City,California,hasa booster with rotors make a helicopter-style return to Earth;Kistler Aerospace in Kirkland,Wash- ington,is piecing together its versions from old Soviet engines,shuttle-style thermal protection tiles and an elaborate parachute system.The first passenger countdowns are still years away,but bureaucrats at the Federal Aviation Administration in Washington are already informally discussing flight regulations.After all,you can't be too prepared for a trip to that galaxy far,far away.
For those who are intent on joining the 100-mile high club,Hilton and Budget are plotting to build space hotels.Before the Russian space Mir came down,some people were talking about using it as a low-rent space hotel to reduce the cost. If a space hotel is finally built in space,and if you're thinking of staying in it,you may want to check the Michelin ratings before booking yourself a suite.
Little guys,who do not have plenty of money but have great interest in space tourism,are trying to make the space travel less expensive but more reliable.
A.Right
B.Wrong
C.Not mentioned
[多选题]关于使用中的氧气瓶和乙炔气瓶,违反安规的说法是( )。
A.A-使用中的氧气瓶和乙炔气瓶应水平放置
B.B-氧气瓶和乙炔气瓶的距离不得小于3m
C.C-气瓶的放置地点,不准靠近热源,距明火8m以外
D.D-氧气瓶和乙炔气瓶的距离不得小于5m
[单选题] 储备物资鉴定结果为可再利用的,物资部门办理转为()的手续。
A. 报废物资
B. 闲置物资
C. 备品备件
D. 项目物资
[多项选择]喉阻塞的呼吸困难可引起()。
A. 缺氧
B. 二氧化碳蓄积
C. 呼吸加快
D. 体温升高
E. 声嘶
[单选题] 电磁场作用对人体的危害()遗传。
A.不一定会
B.不会 22
C.会
[填空题]《就业补助资金管理办法》规定,同一项目就业补助资金补贴与失业保险待遇有重复的,个人和单位可重复享受。( )
[单项选择]采购员刘洪在北京出差,返回途中将北京至武汉的飞机票遗失,无法报账,请问下列处理方法正确的是( )
A. 售票单位开具证明,加盖公章,刘洪单位会计科长和单位领导批准后,代作原始凭证
B. 刘洪写出书面报告,说明情况,会计机构负责人和单位负责人批准后,代作原始凭证
C. 售票单位开具证明,并经售票单位会计机构负责人和单位负责人批准后,代作原始凭证
D. 由刘洪写出详细情况,加盖售票单位公章,经会计机构负责人和单位负责人批准后,代作原始凭证
[单选题]通常情况下,对于同样距离的空气间隙,电场不均匀度增加,击穿电压会( )。
A.降低
B.升高
C.不变
D.变化不定
[单选题] 服务蓝图设计的第一步必须( ) 。
A.描绘客户经历服务的全过程,并明确关键时刻、关键环节
B.分析每个环节的客户需求,并明确核心需求
C.根据前台服务设计配套的后台服务行为
D.针对需求设计前台服务
[单选题]茅台酒制酒生产中,润粮后粮堆温度要求是
A.≥37℃
B.≥40 ℃
C.≥42℃
D.≥ 45℃
[多项选择]属于直角投影的是()。
A. 透视投影
B. 轴测投影
C. 正投影
D. 标高投影
E. 斜轴测投影
[单项选择]— ____________ I use your dictionary — Certainly. Here you are.
[单选题] 下列那些物品不能随身携带需要托运( )
A. 超过100ml液体
B. 锂电池
C. 充电宝
D. 水果
[单项选择]某患者,男性,56岁,高血压病史3年,急起口齿不清,口歪向右,左侧肢体活动障碍三天入院。你认为最合适进行以下哪项检查()
A. 腰穿脑脊液检查
B. 脑血管造影检查
C. 脑电图检查
D. 头部CT扫描
E. 脑多普勒超声检查
[判断题] 茶艺演示中,情感的表达通过面部表情来完成。( )
A.正确
B.错误