[判断题]母联电流相位比较式母差保护,在母联断路器断开时,为了切除母线故障,必须投无选择状态,否则母线故障时该保护将拒动。 ( )
A.正确
B.错误
[填空题]
{{B}}Travelling in the
Jungle{{/B}}
There are a lot of difficulties to travel in the
jungle country which seems (1) ______ (1) ______
to man,
but with right equipments and knowledge, it is not imlpossible to (2) ______ in
(2) ______
it. The following are several
tips:
1. Right equipment: a compass is an instrument which helps you to find
the (3) ______ , (3) ______
since it is very easy
to get hopelessly lost in a jungle (4) ______ after leaviog a known
(4) ______
landmark. Whenever possible, you may (5) ______
streams and rivers that are going in
(5) ______
your general direction, which may cause your many extra
miles of travel, but will
(6) ______ time and energy in the end.
(6) ______
2. Right kind of clothing
(7) ______ will be with you all the time, so you should never
[单项选择]胎儿脐带的超声图像特征是:①一端连接胎盘,一端连接胎儿脐部;②横切呈"品"形;③纵切呈麻花样;④多普勒超声显示1条脐静脉和2条脐动脉()
A. ①②③
B. ①③
C. ②④
D. ④
E. ①②③④
[单项选择]男性,50岁,因反复呕吐5天入院,血清钠108mmol/L,脉搏120次/分,血压70/50mmHg.应诊断为
A. 轻度缺钠
B. 中度缺钠
C. 重度缺钠
D. 中度缺水
E. 重度缺水
[多选题]‐29960造成变电所室外一次高压设备绝缘污闪事故的主要原因有()()
A.积污
B.潮湿
C.绝缘子表面干斑或局部电弧
D.过电压
[判断题]物资管理遵循“统一标准、统一平台、统一采购、统一监造”四统一的原则
A.正确
B.错误
[判断题]高压试验分为非破坏性试验和破坏性试验两类。
[判断题]在工程建设的各主要阶段和主要环节,生产单位均应派人到现场,跟踪了解工程建设的质量情况。
A.正确
B.错误
[多项选择]《交通运输业和部分现代服务业营业税改征增值税试点实施办法》中规定()
A. 提供有形动产租赁服务业增值税税率为17%
B. 提供交通运输业服务业增值税税率为11%
C. 提供现代服务业服务(有形动产租赁服务除外)业增值税税率为6%
D. 财政部和国家税务总局规定的应税服务业增值税税率为零
[单项选择]下列对继承的说法正确的一项是
A. 子类能继承父类的所有方法和状态
B. 子类能继承父类的非私有方法和状态
C. 子类只能继承父类的public方法和状态
D. 子类只能继承父类的方法,而不能继承状态
[单项选择]结肠癌最早出现的症状是()
A. 腹痛
B. 排便习惯及粪便性状改变
C. 腹部血块
D. 全身症状
E. 肠梗阻
[单选题]禁止使用弯曲和变形严重的钢质地锚。
A.正确
B.错误
C./
D./
E./
F./
[多选题]下列选项中,不属于断面的是( )剖面图。
A.移出
B.重合
C.局部放大
D.局部
[单选题]钩舌锁面磨耗大于( )时,堆焊后磨平。
A.1mm
B.2mm
C.3mm
D.4mm
[单项选择]我国公务员制度正式推行的时间是()。
A. 1987年10月1日
B. 1991年1月1日
C. 1993年10月1日
D. 2006年1月1日
[单项选择]Sleep is a funny thing. We’ re taught that we should get seven or eight hours a night, but a lot of us get by just fine on less, and some of us actually sleep too much. A study out of the University of Buffalo last month reported that people who routinely sleep more than eight hours a day and are still tired are nearly three times as likely to die of stroke—probably as a result of an underlying disorder that keeps them from snoozing soundly.
Doctors have their own special sleep problems. Residents are famously sleep deprived. When I was training to become a doctor, it was not unusual to work 40 hours in a row without rest. Most of us took it in stride, confident we could still deliver the highest quality of medical care.
Maybe we shouldn’t have been so sure of ourselves. An article in the Journal of the American Medical Association points out that in the morning after 24 hours of sleeplessness, a person’s motor performance is comparable to that of someone who is legally intox
A. patients are alone when they are in hospital.
B. patients will try their luck on their doctors’ health.
C. patients will have some problems related to them, rather than other people.
D. patients will make their decisions for themselves.
[多选题]工作组员可由哪些人担任?
A.由技术考试合格者担任
B.工作执行人指定人员
C.工作领导人指定人员
D.由安全考试合格者担任
[单项选择]
Given the fact that each person is only one of approximately 90 million voters in this country, does it make sense to believe that one person’s participation, one vote, will have any impact on a major election Simply to raise the question "What if everyone felt the same way" does not remove the lingering impression that a single person is made to feel insignificant by the enormous number of people who do go to the polls, especially in a national election.
Supporters of the ruling elite theory insist that even though voters are given a choice among candidates, their choice is restricted to a narrow range of similar-minded individuals approved by the ruling "elite. Elections do not express what most people want or need, nor do they provide guidance for politicians (even if they want it) on what policies to enact. In this view, elections are primarily just rituals that perform a symbolic function for society.
Still, since most people continue to
A. Why Vote
B. How to Vote
C. Whom to Vote for
D. Do Elections Work
[多选题]下列有关执法与守法区别的说法错误的是( )。
A.执法的主体不仅包括国家机关,也包括所有的法人;守法的主体不仅包括国家机关,也包括所有的 法人和自然人
B.行政机关的执法是主动的,公民守法是被动的
C.执法是执法主体将法律实施于其他机关.团体或个人的活动,守法是一切机关.团体或个人实施法 律的活动
D.执法须遵循程序性要求,守法无须遵循程序性要求
[单项选择]类风湿关节炎的遗传易感基因是()。
A. HLA-B27
B. HLA-DR2
C. HLA-DR3
D. HLA-DR4
E. HLA-DR5
[填空题] 在杆塔高空作业时,应使用有后备绳的双保险安全带,安全带和保险绳应挂在杆塔( )的牢固构件上。
[判断题]采用无线信道时,应保证在不打开集中器端子盖的情况下无法使天线从集中器上拔出或拆下。
A.正确
B.错误
[单选题]控制中心电调在发现综合监控系统故障无法对电力设备进行远控操作时,如经自动化车间查看并确定( )分钟内PSCADA系统无法修复,经当班值班主任判断后下令启动PSCADA系统故障应急抢修流程。
A.10
B.15
C.5
D.20
[多选题]有利于石灰稳定土基层裂缝的防治措施有( )。
A.超出规范标准提高水泥用量
B.施工用土中适量掺加粉煤灰
C.石灰土成型后应及时洒水或覆盖塑料薄膜养护
D.采用塑性指数适中的土
E.提高成型温度