热门试题:
[单项选择]下列能直接作用于体温调节中枢使体温上升的因素是()
A. 肿瘤坏死因子
B. 病原体及其产物
C. 炎症渗出物
D. 无菌坏死组织
E. 抗原抗体复合物
[单选题]30.婴儿每天的需水量是
A.150ml/kg
B.140ml/kg
C.130ml/kg
D.120ml/kg
E.110ml/kg
[判断题]( ) 使用人力制动机紧固器时,须使车辆"排风"后方可进行。( )
A.正确
B.错误
[多选题] 配电线路、设备故障紧急处理系指配电线路、设备发生故障被迫紧急停止运行( )的故障修复工作。
A. 需短时间恢复供电
B. 需短时间排除故障
C. 连续进行
D. 长时间
[单项选择]在编写Applet程序时,程序中必须有的import语句是( )。
A. import.java.io.*;
B. import java.applet.Applet;
C. import.java.awt.event.*;
D. import.java.lang.*;
[判断题]“在实际上受党委直接领导”,是指从地方公安机关与同级地方党委的关系来说,公安机关必须置于党委的实际领导之下。 ( )
[单选题]在正常工作条件下能够承受线路导线的垂直和水平荷载,但不能承受线路方向导线张力的电杆叫( )。
A.耐张杆
B.直线杆
C.转角杆
D.分支杆
[单选题]建筑施工企业所购买的劳动防护用品必须符合( )。
A.国家标准或者行业标准
B.国家标准或者地方标准
C.行业标准或者地方标准
D.行业标准或者企业标准
[多选题]脱甲烷塔塔压波动的可能原因有( )。
A.进料发生变化
B.加热调整过猛
C.冷箱压力波动
D.再生操作动作过快
[单项选择]《中华人民共和国铁路法》铁路的标准轨距为()毫米。
A. 1432
B. 1435
C. 1443
D. 1445
[单选题]暂停时间少于()者,暂停期间基本电费照收。
A.10天
B.10天
C.30天
D.2个月
[单项选择]As the school year kicks off, parents are once again struggling to cajole (哄骗) and, if need be, drag their exhausted teens out of bed. That image may make you laugh, but lack of sleep is no joke. (77) Teenagers who don’t get enough rest have more learning, health, behavior and mood problems than students who get at least nine hours a night. Long-term lack of sleep is tied to heart disease, overweight, depression and a shortened life span in adults, indicating the importance of establishing good sleep habits early in life. Lack of sleep can be especially deadly for teens; car accidents are the leading cause of death among teenagers, and safety experts believe sleepy driving is a major factor.
Unfortunately, few teenagers get the sleep they need. In a survey of middle-school and high-school students, University of Colorado researchers found that 82 percent said they woke up tied and unrefreshed, and more than half had trouble concentrating during the day at least once a wee
A. Dealing with at the same time
B. Striking a balance between
C. Weekend catch-up sleep
D. Healthy diet
[判断题]( )教师编写养老护理员培训教案,应符合科学性、创新性、可操作性 和差异性。
A.正确
B.错误
[多项选择]工作执行人是由()的人员担任。
A. 熟悉设备:
B. 工作熟练:
C. 责任心强:
D. 有一定组织能力:
[单项选择]传输延迟时间最小的交换方法是( )。
A. 线路交换
B. 报文交换
C. 分组交换
D. 信元交换
[单项选择]The swine flu will probably return in force earlier than seasonal flu usually begins, federal health officials predicted Friday, saying they expected it to erupt as soon as schools open rather than in October or November.
The swine flu is still circulating in the United States, especially in summer camps, even though hot weather has arrived and the regular flu season ended months ago, "so we expect challenges when people return to school, when kids are congregating together," Dr. Anne Schuchat, director of respiratory diseases at the Centers for Disease Control and Prevention, said in a telephone news conference held jointly with vaccine experts from the Food and Drug Administration and the Department of Health and Human Services.
It is still unclear how many doses of a swine flu vaccine will be available by then, and officials have been reluctant to make firm predictions beyond saying that they expect tens of millions, rather than hundreds of millions, and they plan to dis
A. There will be sufficient swine flu vaccines then.
B. The swine flu is still circulating.
C. The cold weather then will hinder their work.
D. People will be plunged into panic by then.
[单选题]转K4型转向架承载鞍与侧架导框的间隙左右之和为( )。
A.6—14.5mm
B.6—16mm
C.6—18mm
D.8—18mm
[判断题]法的执行,是指国家司法机关根据法定职权和法定程序,用法律处理案件的专门活动。 ( )
[单选题] 35.《备用铁路货车登记簿》信息来源主要由( )等提供。
A.《检车员工作记录手册》
B.《典型故障明细登记簿》
C.《检修车辆竣工验收移交记录》
D.《列车技术检查记录簿》
[单选题]起重机邻近220kV架空输电线路作业过程中,起重机臂架、吊具、钢丝绳、吊物等沿垂直方向与带电体的最小安全距离为()m
A.4
B.6
C.8
D.10
[单项选择]上腔静脉造影常做()穿刺插管
A. 股动脉
B. 股静脉
C. 肘动脉
D. 贵要静脉
E. 肱动脉
[单选题]高喷车臂架展开后发动机运转时,应摘掉油泵取力器,并接通水泵取力器,操作油门向左旋逐渐加速至压力表显示( )时,泡沫炮即高空喷射。
A.0.5MPa
B.1.0MPa
C.1.5MPa
D.2.0MPa
[简答题]“东风不与周郎便,铜雀春深锁二乔”描写的是古代的哪场战役?
[单选题]Pentium 处理器属于Intel公司的( )处理器。
A.第一代
B.第三代
C.第四代
D.第五代
[单项选择]
Not too long ago, an incident that happened at Walt Disney touched me greatly. A guest checking out of our Polynesian Village resort(度假胜地) at Walt Disney was asked how she (21) her visit. She told the front-desk clerk she had had a (n) (22) vacation, but was heartbroken about (23) several rolls of Kodak color film she had not yet developed. At that moment she was particularly (24) over the loss of the pictures she had shot at our Polynesian Luau, as this was a memory she especially treasured.
Now, please understand that we have no written service rules (25) lost photos in the park. (26) ,the clerk at the front desk (27) Disney’s idea of caring for our guests. She asked the woman to leave her a couple rolls of (28) film, promising she would take care of the rest of our show at Polynesian Luau. Two weeks later the guest received a (29) at her home. In it were photos of all the actors of our show, (30) <
A. understood
B. reminded
C. trusted
D. discovered
[单选题]对依法责令限期改正的,应当根据改正( )合理确定改正期限。
A.违法行为的严重程度
B.违法行为的难易程度
C.违法行为的危险程度
D.违法行为的多少程度
[判断题]BD001离合器常见故障有分离不彻底、起步发抖、打滑和发响等几种.()
A.正确
B.错误
[多选题] 新卡型接入与AFC设备不兼容的情况之乘客反映扣费异常,票卡出现“消费电子记录丢失”该如何处理()
A.无法进站时,票卡分析界面提示需做付费更新,如果乘客反映上次是正常刷卡出站,经查,交易记录上确实有上次乘车的完整进、出站记录时,请示站长后,做付费更新扣费,再填《乘客票务事务处理单》退还该次扣费。
B.站长需将该卡交易记录拍下图片和该卡情况一起上报票务收益室
C.记录《票卡特殊业务交接单》
D.提醒乘客持卡到指定维修点维修票卡
[简答题]我部门电量法溴指数电解液如何配置,配制过程应注意什么?
[判断题]安全检查通常采取综合检查、专项检查的方式进行,可以按照计划组织实施,不可以随机组织实施。( )也可以
A.正确
B.错误
[单项选择]当来球在本方台面弹起时,要稳住站位的是()
A. 重心
B. 球拍
C. 手臂
D. 前臂
[判断题]厂站内在无需高压设备停电或做安全措施配合的二次系统、动力等回路上的工作。需选用厂站第一种工作票。()
[单选题]下列哪种心脏瓣膜病最可能发生晕厥
A.二尖瓣狭窄
B.主动脉瓣狭窄
C.肺动脉狭窄
D.二尖瓣关闭不全
E.主动脉瓣关闭不全
[单选题]停电拉闸操作应按照()的顺序依次进行,送电合闸操作应按与上述相反的顺序进行。禁止带负荷拉合隔离开关(刀闸)。
A.断路器(开关)—负荷侧隔离开关(刀闸)—电源侧隔离开关(刀闸)
B.负荷侧隔离开关(刀闸)——断路器(开关)——电源侧隔离开关(刀闸)
C.断路器(开关)—电源侧隔离开关(刀闸)—负荷侧隔离开关(刀闸)
D.负荷侧隔离开关(刀闸)——电源侧隔离开关(刀闸)——断路器(开关)
[单选题]凡是运用铝模施工的项目主体结构实测实量合格率不低于( )
A. 93%
B. 90%
C. 95%
D. 98%
[单选题]下列关于飞行器飞行模式的描述不正确的是()
A.首次使用需要在DJIGO4开启“允许切换飞行模式”,才可以通过遥控器切换
B.使用S模式飞行时,飞行器的下降速度也将大幅提升
C.在S模式飞行时,视觉系统不生效,但红外传感系统会生效
D.在卫星信号差或者指南针受干扰、并且不满足视觉定位工作条件时,飞行器将进入姿态(ATTI)模式
[单选题]高处作业人员应衣着灵便,衣袖、裤脚应扎紧,穿( ),并正确佩戴个人防护用具。
A.皮鞋
B.平底鞋
C.绝缘靴
D.软底防滑鞋