热门试题:
[单选题]所有参与普速铁路区段作业的从业人员必须经过安全教育和培训,( )方能上岗作业。
A.站长批准
B.考试合格后
C.主管领导批准
[单选题]二级动火时,( )应指定人员,并和消防(专职)人员或指定的义务消防员始终在现场监护。
A.各级审批人
B.供电公司负责人
C.工区
D.供电公司安监部门
[单选题] 依据《云南电网公司配电网电气操作票实施细则》(2011 年修订)(2011 年修订),断开:是指通过( )使断路器、空气开关由合闸位置转为分闸位置的操作。
A.自动操作
B.保护装置
C.人工操作
D.电动操作
[单项选择]Shyness is the cause of much unhappiness for a great many people. Shy people are anxious and selfconscious; that is, they are excessively concerned with their own appearance and actions. Worrisome thoughts are constantly occurring in their minds. What kind of impression am I taking Do they like me Do I look stupid Am I wearing attractive clothes
It is obvious that such uncomfortable feelings must affect people adversely. A person’s self-concept is reflected in the way he or she behaves, and the way a person behaves affects other people’s reactions. In general, the way people think about themselves has a profound effect on all areas of their lives.
Shy people, having low self-esteem, are likely to be passive and easily influenced by others. They need reassurance that they are doing "the right thing". Shy people are very sensitive to criticism; they feel it confirms their inferiority. They also find it difficult to be pleased by compliments because they believe they are unworth
A. Shyness helps us to live up to our full potential.
B. Shyness enables us to understand ourselves better.
C. Shyness blocks our chances for a rich life.
D. Shyness has nothing to do with lack of self-esteem.
[单选题]如钢轨断缝小于( )mm时,放行列车速度应不超过25km/h。
A.30
B.20
C.10
D.5
[单项选择]在船上保留样品的时间不应少于所规定的时间,通常为卸完货后()。
A. 一个月
B. 一年
C. 三个月
D. 二年
[单选题]有限空间作业选用通风设备时,应根据( )而定,并确保能够提供有限空间所需新鲜空气的气流量。
A.作业人员
B.有限空间体积
C.作业负责人要求
[多选题]在对费用进行核算时属于其他支出的是()。
A.利息支出
B.罚款支出
C.公益性固定资产折旧费用
D.差旅费
E.折旧费
[多选题]绝缘杆作业法接入引流线前,应检查并确定所接分支线路(____)等。
A.所接分支线路或设备绝缘良好
B.相位正确无误
C.线路上确无人工作
D.线路负荷确已切除
[单项选择]七情皆从心发的生理基础是:
A. 心主血脉
B. 心主神志
C. 心在志为喜
D. 心在体合脉
E. 心开窍于舌
[单选题]关于一元线性回归模型,下列表述错误的是( )。
A.Y=β0+β1X+ε,只涉及一个自变量的回归模型称为一元线性回归模型
B.因变量Y是自变量X的线性函数加上误差项
C.β0+β1X反映了由于自变量X的变化而引起的因变量y的线性变化
D.误差项是个随机变量,表示除线性关系之外的随机因素对Y的影响,能由X和Y的线性关系所解释的Y的变异性
[单选题]妊娠期尿路感染禁用哪种抗生素
A.阿莫西林
B.头孢呋辛
C.头孢哌酮
D.左氧氟沙星
E.头孢克洛
[单选题]治疗外阴炎时,使用1.5000高锰酸钾溶液坐浴最主要的作用是
A.
杀菌
B.
止痒
C.
止痛
D.
消肿
E.
除臭
[单选题]纠正酸中毒时,如快速输入碱性液体,可能导致下列哪种情况发生
A.由酸中毒变成碱中毒;
B.引起低钾血症;
C.引起高钾血症;
D.引起高钠血症;
E.引起低钠血症;
[多选题]数据库系统中会发生各种故障,这些故障主要包括( )。
A.事务外部故障
B.系统故障
C.介质故障
D.计算机病毒和黑客
[单选题]为防止树木(树枝)倒落在线路上,应使用绝缘绳索将其拉向与线路( )的方向,绳索应有足够的长度和强度,以免拉绳的人员被倒落的树木砸伤。
A.相反;
B.60度;
C.90度;
D.相同。
[单选题]过电流是指流过电气设备和电缆的电流( )额定值。
A.小于
B.等于
C.超过
[单项选择]Which of the following movies was not directed by Allen( ).
A. What’s New, Pussycat
B. Bananas
C. Sleeper
D. Love and Death
[单项选择]核医学工作人员附加防护用品不包括()。
A. 热释光剂量计
B. 薄膜工作服
C. 铅围裙
D. 铅围脖
E. 防护眼镜
[多选题]综合电子气象仪主要用于检测( )等参数。
A.风向;
B.温度;
C.湿度;
D.气压;
E.风速;
[填空题]上塔塔内温度从下向上的变化是逐步();下塔塔内温度从下向上的变化是逐步()(填升高或降低)。
[单选题]PLC机柜间温度、湿度要求是什么?
A.18℃-30℃,湿度应≤50%;
B.18℃-28℃,湿度应≤50%;
C.18℃-30℃,湿度应≤70%;
D.18℃-28℃,湿度应≤70%;
[填空题](だいがく)は (くじ)に はじまります。
[单选题]井下电缆( )采用铝包电缆。
A.必须
B.严禁
C.不准
[单选题]电力线路杆塔编号的涂写方位或挂杆号牌应在()。
A.杆塔的向阳面;
B.面向巡线通道或大路;
C.面向横线路侧;
D.面向顺线路方向送电侧。
[单选题]下列有关干化学法的叙述,错误的是
A.仪器校正一次可稳定半年
B.重复性好、快速
C.仪器操作不需纯净水
D.仪器操作需酸碱冲洗液等辅助设备
[单选题]下列哪一项不是维修工作完成后航线整机放行人员需检查的项目?
A.撤离维修设备,完成结束工作后工具的清点
B.客梯车的移除
C.检查外部各勤务盖板状况
D.检查确认无遗失和非受控物品遗留在飞机上
[多选题]钢筋现场检查要点有( )
A.检查表面质量
B.存放场地应平整坚实,倾斜场地应有防止滑落的措施。
C.存放期间上部需遮盖,采取有效的防水、防潮、防锈蚀、防污染等措施,并与地面隔离,预留交通搬运走道
D.现场钢筋的存放应按规格、使用部位等状态分别存放,并设置相应的标识牌
[单选题]凡参加高处作业的人员,应( )进行一次体检。
A.半年
B.每年
C.两年
D.三年
[单选题] 仅变更作业方法或辆数时,不受口头传达()的限制,但调车指挥人必须向有关人员传达清楚,有关人员必须复诵。
A.一钩
B.二钩
C.三钩
D.六钩
[多项选择]证券自营业务的含义是()。
A. 经证监会批准
B. 以营利为目的
C. 净资本不得低于5,000万元人民币
D. 能够任意买卖有价证券
[多选题]下列关于船舶吨税的说法中正确的有( )。
A.船舶吨税纳税义务发生时间为应税船舶进入港口的当日
B.应税船舶在《吨税执照》期满后尚未离开港口的,应当申领新的《吨税执照》,自上一次执照期满的次日起续缴船舶吨税
C.应税船舶负责人应当自海关填发船舶吨税缴款凭证之日起15日内缴清税款
D.未按期缴清税款的,自滞纳税款之日起至缴清税款之日止,按日加收滞纳税款0.05%的滞纳金
E.海关发现多征税款的,应当在48小时内通知应税船舶办理退还手续,并加算银行同期活期存款利息
[单项选择]The comprehension passages on this course are designed to help you increase your speed. A higher reading rate, with no loss of comprehension, will help you in other subjects as well as English, and the general principles apply to any language. Naturally, you will read every book at the same speed. You would expect to read a newspaper, fox example, much more rapidly than a physics or economics textbook but you can raise your average reading speed over the whole range of materials you wish to cover so that the percentage gain will be the same whatever kind of reading you are concerned with.
The reading passages which follow are all of an average level of difficulty for your stage of instruction.
If you get to the point where you can read books of average difficulty at between 40 and 50 w.p.m. with 70% or more comprehension, you will be doing quite well, though of course any further improvement of speed with comprehension will be a good thing. When you practise reading with pa
A. it is not necessary to do so
B. it might simply slow down your reading speed
C. it might be more difficult to catch the general idea of the passages
D. it will result in misunderstanding
[单选题]我们会用“韦编三绝”来形容一个人读书勤奋。其中的“韦”指的是:
A.皮绳
B.吕不韦
C.芦苇
D.韦应物
[多项选择]慢性宫颈炎的治疗,下列哪些正确( )
A. 局部上药
B. 全身大量抗生素治疗
C. 微波疗法
D. 激光治疗
E. LEEp刀治疗