题目详情
题目详情:

[判断题]剩余电流动作保护器安装时,电源应朝上垂直于地面,安装场所应无腐蚀气体,无爆炸危险物,防潮防尘防震,防阳光直晒,周围空气温度上限不超过40℃,下限不低于-25℃。

热门试题:

[单项选择] Leisure Time
There are some people who really do live for their work and lead totally fulfilled lives with this as their only or main focus. Are you one of them If not, are you (21) enough attention to your need for time away from work
There are two big problems here. One is finding a job that does not involve excessive hours, a job where you are still (22) seriously even if you don’t frequently work late. The other is deciding how you want to spend your leisure time. If circumstances are conspiring to squeeze that last bit of precious (23) time out of your week, then (24) on to some time, even one hour a week, as sacred. Build it into your diary and never let anyone (25) you out of it. Even if it means doing an extra hour earlier in the week, it’s worth it.
Another (26) is to try to change the status quo. It is often middle management who want to see us a
A. accept
B. view
C. support
D. approve
[判断题]组织或者参与本单位安全生产教育和培训,是生产经营单位安全生产管理机构以及安全生产管理人员的工作职责。( )
A.正确
B.错误
[判断题]在控制系统中,最终完成控制功能是执行器。因此执行器是控制系统的核心。( )
A.正确
B.错误
[判断题]硬质合金按其化学成分和使用特性可分为钨钴类(YG)、钨钛钴类(YT)、钨钛钽钴类(YW)、碳化钛基类(YN)四类。
[单选题]用凿子凿坚硬或脆性物体时(如生铁、生铜、水泥等),应戴( ),必要时装设安全遮栏,以防碎片打伤旁人。
A.绝缘手套
B.绝缘靴
C.防护眼镜
D.墨镜
[单选题]1983 年 10 月 1 日,邓小平为景山学校题词:教育要面向(),面向世界,面向未来。
A.传统
B.国内
C.革命化
D.现代化
[判断题]各连接部位出现松动或钢丝绳有断丝、锈蚀、退火等情况时禁止使用。
A.正确
B.错误
[单项选择]个人或单位为谋取不正当利益,给予国家机关、国有公司、企业、事业单位、人民团体以财物,或者在经济往来中,违反国家规定,给予各种名义的回扣、手续费的行为,应判为( )。
A. 行贿罪
B. 向单位行贿罪
C. 介绍贿赂罪
D. 以上答案都不对
[简答题]民族素质主要包括教育科学文化素质、心理素质、身体素质和什么素质?
[判断题]一种回归直线只能作一种推算,不能反过来进行另一种推算。()
A.正确
B.错误
[判断题]配电二次系统上的检修工作前,作业人员在接触运用中的二次设备箱体前,应用低压验电器或测电笔测量。
A.正确
B.错误
[判断题]接触网导线断裂触地时,不得进入断线落点10m范围内。()
A.正确
B.错误
[单项选择]保安人员在门岗执勤时()。
A. 一律不得擅自离岗
B. 可空岗
C. 可会客
[单项选择]根据汉字的读音进行编码,如拼音输入法等,称为( )
A. 音码
B. 拼音码
C. 音形码
D. 形码
[填空题]《政治与行政》的作者().
[判断题]在无线灯显调车时,自收到紧急停车信号后,如速度不为零则常用制动。
A.正确
B.错误
[多选题]心肺复苏法注意事项正确的是()
A. A.吹气不能在向下按压心脏的同时进行。
B.B.数口诀的速度应均衡&避免快慢不一。
C.C.操作者应站在触电者侧面便于操作的位置&单人急救时应站立在触电者的肩部位置;
D.D.人工呼吸者与心脏按压者不可以互换位置&互换操作&但中断时间不超过10S.
[判断题]The boy, thinks his father, will come back.这句话可翻译成:那孩子认为他父亲要回来。
A.正确
B.错误
[单选题]以下哪一种氨基酸是非必需氨基酸
A.甘氨酸
B.苏氨酸
C.缬氨酸
D.亮氨酸
E.异亮氨酸
[多选题]下列说法正确的是()。
A.结息及支付账户管理费视同未发生收付活动;
B.开户行应通知开户企业自发出通知之日起30日内办理销户;
C.逾期未销户转入“268001久悬未取款项”科目开立专户进行核算;
D.久悬期间不计利息
[判断题]所有架空线路杆号牌下方应设“有电危险,禁止攀登!”的安全标志,多回路同杆架设的线路每基杆塔上均应装设防误登警示牌(注明左线、右线,或上线、下线的回路名称)。( )
A.正确
B.错误
[多选题]影响贷币乘数的因素主要有( )。
A.法定存款准备金率
B.现金漏漏损率
C.超额准备金率
D.定期存款的存款准备金率
E.活期存款的存款准备金率
[填空题]大机捣固时,动力稳定车在桥上作业时,稳定装置应尽可能在 或 处起振或停振,并且应先行卸压。
[填空题]当定时/计数器工作方式寄存器______中的功能选择位为0时,工作于内部定时方式。
[单选题]对零售客户店面有卷烟批发、卷烟回收及类似内容标识的,自发现之日起限( )个月内整改到位,否则对其按全品规可供货源作停供处理,待整改到位后恢复供货。
A.1
B.2
C.3
D.4
[简答题]碱剩余
[多选题] 对不适宜担任现职调整的管理人员,根据其一贯表现和工作需要,区分不同情形,采取什么等方式予以调整。(
A.调离岗位
B.免职(解聘)
C.降职
D.改任专业技术岗位职务
E.解除管理人员身份(调整为操作技能人员)
[单项选择]下列关于心肌梗死的治疗原则不正确的是()
A. 卧床休息为宜
B. 吸氧
C. 监测
D. 最初2~3天,以流食为主
E. 口服阿司匹林
[填空题]抄表计划全部制定完成后,应检查(____)或(____)是否有遗漏。
[简答题]肾盂肾炎的X线表现有哪些?
[单选题]有以下程序 #include # include char *fun(char *t) { char *p=t; return(p+strlen(t)/2); } void main() { char *str="abcdefgh"; str=fun(str); puts(str); } 执行后的输出结果是( )。
A.efgh
B.abcd
C.bcde
D.cdef
[填空题]Kites invented in China 2000 years ago. The (76)
earlier kites were made of wood, that were expensive. (77)
Kite flying began to spread between ordinary people only (78)
after paper was invented and then kite making costs less. (79)
Weifang City is the birthplace of the kites. Now kite (80)
flying is more and more popular here. Every spring (81)
people all over the world come to take part in the (82)
International Kite Festival. We will see beautiful (83)
kites fly in the sky. I believe you will enjoy yourselves (84)
here. I hope you will go to the Festival every year. (85)


[判断题]定时限过电流保护在外部故障切除后应可靠返回。()
A.正确
B.错误
[单项选择]3/4冠邻轴沟的预备要求为( )
A. 方向与牙冠唇面切1/3平行
B. 深度1mm,由切端向龈端逐渐变浅
C. 两邻沟应相互平行,或稍向切端聚合
D. A+B
E. B+C
[单项选择]纤维素样坏死可见于()
A. 良性高血压
B. 甲状腺功能低下
C. 巨细胞性动脉炎
D. 系统性红斑狼疮
E. 动脉粥样硬化
[单选题]陈某外出期间家中失火,邻居刘某呼叫救火并参与扑火。在救火时,刘某手部烧伤。事后,刘某花去医疗费300元。下列说法正确的是()。
A.陈某应偿付刘某100元
B.陈某应偿付刘某200元
C.陈某应偿付刘某300元
D.陈某无须偿付刘某
[填空题] Some theorists view children as passive receivers of experience; others consider them 【B1】 in organizing, structuring, and in some 【B2】 . creating their worlds. A scientist who considers children to be passive does not think they are unresponsive, just that they enter the world ready to absorb 【B3】 knowledge is provided by the environment. According to this view, children are 【B4】 by stimuli in the external environment and driven by 【B5】 needs over which they have little control. Theorists and educators who view the child as 【B6】 passive often 【B7】 direct and carefully structured teaching methods. For example, some methods for teaching children to play the piano contain a 【B8】 of specific steps, chords, and tunes to be learned in a 【B9】 order. The child must master each step 【B10】 proceeding to the next one. 【B11】 an educator who believes that children are active assumes that they learn best when they 【B12】 and select their own learning materials and tasks. When teaching a chi
A. A.closely
B.loosely
C.strictly
D.stringently

[单选题],电源是输出电能的设备,负载是消耗电能的设备。
A.对
B.错

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