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[多选题]变电所的任务是:( )
A.接受电能
B.变换电压
C.分配电能
D.聚集电能

热门试题:

[判断题]根据《119接警调度工作规程》(GA/T 1339-2017),119接警调度是指各级作战指挥中心(含消防大、中队通信室)通过各种形式受理群众或单位对火灾和其他灾害报警,或者根据上级消防部门、当地政府、公安机关的调集指令,及时、科学调派力量赶赴现场处置,全面、准确收集警情信息,实时、有效地辅助决策指挥的过程。( )
A.正确
B.错误
[多项选择]气的物质来源主要包括()
A. 先天之精气
B. 脏腑之气
C. 自然界之清气
D. 水谷之精气
E. 宗气
[多项选择]以下属于水利枢纽工程施工组织设计文件中施工导流部分内容的有( )。
A. 各期施工导流的流量、频率
B. 围堰施工程序、施工方法
C. 截流试验成果
D. 下闸蓄水计划
E. 通航建筑物施工
[单项选择]安全阀的弹簧压得太紧造成安全阀起压不开启故障的排除方法是()。
A. 重新调整螺丝
B. 更换弹簧
C. 调整阀杆
D. 调整阀芯
[单选题]输油气站(作业区)发展信息员数量要求为:在管道周围村庄或者社区广泛发展管道信息员,管道沿线每个村庄或社区要至少发展( )名信息员,高后果区管段每个村庄或社区至少发展( )名信息员。
A.1,3
B.1,2
C.2,3
D.2,4
[单选题] 动火工作票各级审批人员和签发人要确认工作票上所填( )是否正确完备。
A.工作内容
B.安全措施
C.工作地点
D.工作人数
[填空题]STM-1代表的速率是( )。
[判断题]工作人员离开办公场所,应当将国家秘密载体存放在保密设备里。( )
A.正确
B.错误
[简答题]甲醛装置开车时新鲜风机启动的注意事项?
[单项选择]

In recent years a new farming revolution has begun, one that involves the (21) of life at a fundamental level — the gene. The study of genetics has (22) a new industry called biotechnology. As the name suggests, it (23) biology and modem technology through such techniques as genetic engineering. Some of the new biotech companies specialize (24) agriculture and are working feverishly to duplicate seeds that give a high yield, that (25) diseases, drought and frost, and that reduce the need for (26) chemicals. (27) such goals could be achieved, it would be most beneficial. But some have raised concerns about genetically engineered crops.
In nature, genetic diversity is created within certain space. A rose (28) be crossed with a different kind of rose, but a rose will never cross with a potato. Genetic engineering, (29) , usually involves taking genes from one species and inserting them into (30) in a
A. what
B. as
C. where
D. so

[判断题]在SSS配置中不可及和无应答前转使用同一个定时器,定时器的配置位置在全局配置。
A.正确
B.错误
[单选题]为了使普通单开道岔转辙器轨距、方向正确及尖轨和基本轨密贴,曲基本轨应按支距进行弯折,一般由( )个转折点。
A.一
B.二
C.三
D.四
[单项选择]口腔颌面部擦伤不正确的治疗方法为
A. 清洗创面
B. 除去附着的异物
C. 暴露,任其干燥并自行愈合
D. 用无菌凡士林纱布覆盖
E. 涂液状石蜡
[多项选择]电网功率因数过低会导致()。
A. 发电设备容量不能完全利用;
B. 输电线路损耗增加;
C. 节约电能;
D. 设备寿命降低。
[单项选择]铅管样强直是指()
A. 触摸肌肉,坚实感,伸屈肢体时阻力增加
B. 在被动伸屈其肢体时,起始阻力大,终末突然阻力减弱
C. 伸肌和屈肌的肌张力均增高,做被动运动时各个方向的阻力增加均匀一致
D. 骨骼肌受到外力牵拉时产生收缩反应
E. 肌肉松软,伸屈其肢体时阻力低,关节运动范围扩大
[判断题]特种作业操作证每1年由考核发证部门复审一次。
A.正确
B.错误
[单项选择]基金信息披露的()要求基金管理人在法定期限内披露基金招募说明书、定期报告等文件,在重大事件发生之日起2日内披露临时报告。
A. 真实性原则 
B. 准确性原则 
C. 完整性原则 
D. 及时性原则
[不定项选择题]共用题干 Relieving the Pain

"Exercise may be the best treatment of chronic pain,"say doctors at a new clinic for dealing with pain.
"People with chronic pain need to stop lying around,go out more,and start exercising."The instinctive
reaction to acute pain is to stop moving and to try to protect the source of pain. But it seems that this is often not
productive,especially in the case of back pain. Back pain,after headaches and tiredness,has become the third
most common reason for people to visit their doctors.Painful backs now account for millions of days off work.
Lumbar(腰部的)pains are partly the price humans pay for taking their forelimbs off the ground, but
they are made worse by a sedentary(久坐不动的)lifestyle. Lack of exercise slowly decreases the flexibility
and strength of muscles,so that it is more difficult to take pressure off the site of pain.Exercise is essential.
It releases endorphins(内啡肽),the body's "feel-good" chemicals, which are natural painkillers. In fact,
these are so important that researchers are now looking for drugs that can maintain a comfortable level of
endorphins in the body.
Most people who go to a family doctor complaining of pain are prescribed pain-killing drugs rather than
exercise.Since finding the cause of backache is not so easy,doctors frequently do not know the precise cause
of the discomfort,and as the pain continues,sufferers end up taking stronger doses or a series of different
drugs."It's crazy,"says Dr. Brasseur,a therapist at the International Association for the Study of Pain.
"Some of them are taking different drugs prescribed by different doctors.I've just seen a patient who was
taking two drugs which turned out to be the same thing under different names."
A generation of new pain clinics now operates on the basis that drugs are best avoided.Once patients
have undergone the initial physical and psychological check up,their medication is cut down as much as
possible.Taking patients off drugs also prepares them for physical activity.
In some pain一 relief clinics,patients begin the day with muscle contraction and relaxation exercises,
followed by an hour on exercise bikes. Later in the day,they practice tai chi(太极),self-defense,and deep
thought. This compares with an average of two-and-a-half hours' physiotherapy(理疗)a week in a traditional
hospital program."The idea is to strengthen and to increase long一lasting energy,flexibility,and confidence,"
explains Bill Wiles,a consultant pain doctor in Liverpool."Patients undergoing this therapy get back to work
and resume healthy active lifestyles much sooner than those subjected to more conservative treatment." New pain clinics ask patients to give up drugs completely.
A.Right
B.Wrong
C.Not mentioned
[简答题]绝缘的tgδ与哪些因素有关?
[判断题]对于受力较大的双回路及多回路直线水泥单杆,以及受地形条件限制无法设置拉线的转角水泥 单杆可采用部分预应力电杆,其强度等级应为 O 级、T 级、U2 级 3 种。
A.正确
B.错误
[判断题]在高压回路上测量时,可以用导线从钳形电流表另接表计测量。
A.正确
B.错误
[判断题]应对尘毒防治设施的运行情况和尘毒浓度进行定期检测,并向职工公布检测结果。( )
A.正确
B.错误
[判断题]在并联电路中,电阻越大,流过的电流越小。 ( )
A.正确
B.错误
[单项选择]一机多票开票子系统V6.15中,企业IC卡中有新购发票,本月8号是企业本月第一次抄税,则进行这次抄税时,()。
A. 可以正常抄税成功,此抄税属于非征期抄税
B. 可以正常抄税成功,此抄税属于征期抄税
C. 无法抄税,系统提示“IC卡上有新购发票,需要先读入,才能进行抄税”,此时必须先读入发票,再执行抄税
D. 无法抄税,系统提示“IC卡上有购退票信息,需要处理后才能进行抄税”,此时必须先读入发票,再执行抄税
E. 无法抄税,系统提示“IC卡上有新购发票,需要先读入,才能进行抄税”,此时必须执行手工退票,然后对IC卡解锁重写后再执行抄税
[单选题]TES系统同步数据传输的最高传输速率为()
A.2400Kbps
B.19.2Kbps
C.56Kbps
D.64Kbps
[简答题]信号系统知识点如下
[简答题]现金安全区域管理要求?
[单选题].【堵截是积极防御与主动进攻相结合的基本战法,下列不适用于堵截战术的是( )。 】
A.火势向单个方向蔓延时
B.火势向多个方向蔓延时
C.开辟救人通道抢救人命时
D.多层建筑火灾和大面积、立体火灾
[判断题]由变压器故障引起的跳闸,排除故障以后,可立即投入运行。
A.正确
B.错误
[多选题]制定合理时间标准的意义是什么?
A..实现科学管理
B..决定成本和售价
C..决定人员和设备的需要量
D.调动工人的工作积极性,培养工人的效率意识
E.制定最有效的工作方法
F.挖掘时间利用方面的潜力
[单项选择]

2013年1月奥巴马宣誓连任总统并发表演说,追溯美国民主传统和精神,称支持从亚非拉所有追求西方民主国家,并会代表那里的人民采取行动。但事实上以美国为代表的西方民主本身就含着一系列矛盾,如()
①政治法律形式上的平等与社会经济事实上的不平等矛盾
②联邦制下地方利益与中央利益的矛盾
③理论上国家代表全社会利益与实际上国家保护资本特殊利益的矛盾
④民主主体的多样性与民主表达机制单一性的矛盾


A. ①②
B. ②③
C. ①③
D. ②④
[单选题]管线吹扫的前提条件是( )。
A.被吹扫管线内已无杂物
B.被吹扫管线已与设备断开
C.被吹扫管线已用水冲洗
D.被吹扫管线法兰已全部拆开
[单项选择]财政机制在城市规划实施中有重要地位,以下哪项为其表现形式()
A. 政府按城市规划的要求,通过公共财政预算拨款,直接投资兴建某些重要的城市设施 
B. 政府通过融资来促进和限制某些投资和建设活动 
C. 政府有偿出让国有土地使用权,为城市建设筹集资金 
D. 政府借贷以解决实施城市规划的资金缺口
[单选题]配合停电的交叉跨越或邻近线路,在线路的交叉跨越或邻近处附近应装设( )接地线。
A.一组
B.可靠
C.相应
D.有效
[单项选择]中药材整件包装标识的内容中,最能标识该药品质量规范的是
A. 品名
B. 产地
C. 供货单位
D. 批准文号
E. 产品合格证
[判断题]( ) 旅客可将宠物狗带入车内。(应知应会-《客规》)
A.正确
B.错误
[单选题] 齿轮传动的主要特点有:效率高、结构紧凑、传动比较稳定和( )(中)
A.效率低
B.结构松散
C.传动不稳定
D.寿命长

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