热门试题:
[单选题] S级电流互感器,能够正确计量的电流范围是( )IN。
A.10%-120%;
B.5%-120%;
C.2%-120%;
D.1%-120%。
[填空题]矩形母线弯制时应减少(),弯曲处不得有裂纹及显著的()
[单选题]危险品系指有爆炸、()、毒害、腐蚀、放射性等性质,在运输、装卸和储存保管过程中,易造成人身伤亡和财产损毁而需要特别防护的物品。
A.易损
B.易燃
C.易分解
D.易反应
[单项选择]黄连素片包薄膜衣的主要目的是( )。
A. 防止氧化变质
B. 防止胃酸分解
C. 控制定位释放
D. 避免刺激胃黏膜
E. 掩盖苦味
[单选题]SS4型机车每节车装有两个蓄电池柜,安装了DM-170型阀控式密封铅酸蓄电池,单体额定电压为( )。
A.1V
B.2V
C.3V
D.4V
[多选题] 变压器检修过程中减少绝缘受潮的主要工艺有()。
A. 严格控制天气条件及器身暴露时间
B. 组部件及绝缘材料防潮存放
C. 组装后按要求抽真空及真空注油
D. 解除真空使用干燥空气
[单项选择]对耳廓假性囊肿治疗无效的是()
A. 穿刺抽液,局部压迫
B. 应用抗生素
C. 高渗盐水注射,加压包扎
D. 手术治疗
E. 超短波治疗
[单选题]操作高压熔断器时采取的安全措
施不包括(____)。
A.戴护目眼镜
B.戴绝缘手套
C.必要时使用绝缘夹钳,站在绝缘垫或绝缘台
D.穿绝缘靴
[单选题] 指挥列车运行的命令(运行揭示调度命令除外)和口头指示,只能由()发布。
A.调度所值班主任
B.列车调度员
C.车站值班员
D.站长
[单选题]均衡施工的指标不包括(
A.均衡系数
B.不均衡系数
C.极差值
D.均方差值
[单选题]曲线超高顺坡坡度,在其他线路上,最大不得大于( )。
A.2‰,
B.2.5‰,
C.3‰,
D.3.5‰。
[单项选择]下面各句中,语义明确、没有歧义的一句是:
A. 星光公司和化威公司与数家国有企业签订了合作协议。
B. 发现了敌人的哨兵迅速将情况报告给正在开会的连长。
C. 对新闻媒体的意见和建议有关部门是应该认真对待的。
D. 这家企业在一个月的时间里已生产出了200件新产品。
[单选题]描述抗体滴度的平均水平应选择用
A. 算术均数
B. 几何均数
C. 中位数
D. 变异系数
E. 标准差
[判断题]钨极氩弧焊是以钨棒作为电弧的一极的电弧焊方法,钨棒在电弧焊中是不熔化的,故又称不熔化极氩弧焊,简称 TIG焊。( )
A.正确
B.错误
[多项选择]患儿,男,4岁。因咳嗽,喘息2天,加重半天就诊。体检:体温正常,呼气性呼吸困难,口唇微绀,两肺广泛哮鸣音,心率160次/min。既往有喘息发作史5次,有过敏史,其母亦有哮喘史。应立即采取哪项措施( )
A. 吸氧
B. 静脉输液
C. 血气分析
D. 血电解质
E. β受体激动剂雾化吸入
F. 吸痰
[多项选择]甲地程某因涉嫌在火车站倒卖盗版光盘被乙地铁路公安分局关押三天,后将程某释放。程某对关押行为不服,应向哪个法院提起诉讼( )
A. 甲地基层人民法院
B. 甲地基层人民法院的派出法庭
C. 乙地铁路运输法院
D. 乙地基层人民法院
[单项选择]
Shared Holiday
Spending a holiday with another family sounds like a good idea. It enables your kids to play with other kids, enables you to communicate with other parents, and enables your family to rent a bigger and nicer house. It might be too expensive fur your family to rent such a house on your own. However, not all sharing holidays are pleasant for everyone.
Clare is a mother of four. She used to spend holidays with her friends. However, she found that the experience was painful although her friends are nice people. Her friends rented a nice house and invited her family to join them. The house was much more expensive than Clare was able to pay for. In addition, her children were too yuung to enjoy the holiday. The big problem was that Clare had to share the cooking during the holiday. Her friends left their children with their nanny (保姆)when they were cooking. Keeping up with children was tiring for Clare, because she didn’t ha
A. families with too many kids lend to he unhappy
B. children can be a major source of unhappiness and trouble
C. sharing holidays are not always pleasant
D. you need less money to have a sharing holiday with your friends
[多选题]JJG314《测量用电压互感器检定》规程适用于额定频率为50Hz(或60Hz)的()~()级的测量用电压互感器的首次检定、后续检定和使用中检验。
A.0.1
B.1
C.0.001
D.0.5
[判断题]井架在低位安装好后,如果在24h内没有起升,井架下的支撑架不应少于两个( )
A.正确
B.错误
[单选题]翻身动作是腰部、( )、手臂、头部依次回转的一系列连贯动作。
A.颈部
B.臀部
C.背部
D.肩部
[判断题]分子筛的再生气源是空分塔出来的污氮。 ( )
A.正确
B.错误
[单项选择]Friend is better than fortune. Friend is worse than poison in some (56) . The above two statements are opposite and seem to be (57) but they can be explained (58) : The latter (59) all evil friends who (60) us astray; the former (61) all good friends who drive us towards good.
My (62) friend is of course a good friend (63) goodness is shown (64) . He has no bad (65) , as smoking and drinking. He lives frugally. He studies diligently (66) waste his golden time. (67) he (68) his parents and loves his brothers; at school he re-spects his teachers and (69) his schoolmates. He treats those truly who are (70) him.He never speaks of others’ evils (71) boasts of his own merits. (72) , he has all the good characters better than (73) I can follow him as a model. By his precepts I am (74) the danger of doing a wrong action. B
A. pardon from
B. am free from
C. excuse from
D. am derived from
[判断题]教官是指从事公安机关人民警察训练教学及研究工作的人民警察。
A.正确
B.错误
[多选题] 基础设施实行天窗修制度,并推行( )、( )制度。
A. 专业化集中修
B. 预防性计划修
C. 统一集中修
D. 配合集中修
[多项选择]施工验收质量控制包括()。
A. 主体工程验收
B. 隐蔽工程验收
C. 检验批验收
D. 分项工程
E. 单位工程验收
[判断题]放射线百分深度量,随能量增加而增加,随源皮距离的增加而增加。如钴-60治疗机,为增加百分深度量,提高疗效,减少反应,增加源皮距离照射是个好办法
[判断题]机车附挂运行时,制动系统显示屏上可设置为“补风”。
A.正确
B.错误
[单项选择]药品经营企业经营范围不包括哪一类()?
A. 麻醉药品
B. 生物制品
C. 放射性药品
D. 化学原料药
[单选题]不是细菌侵袭性酶的是
A.血浆凝固酶
A.透明质酸酶
B.链激酶(SK)
C.链道酶(S
D.
E.溶菌酶
[多选题]CRH5A动车组每节车厢外部设有显示屏,显示()等。
A.车次
B.车厢号
C.到发站名
D.车内温度
[单项选择]阅读以下程序,采用逻辑覆盖进行测试,下列测试用例(a,b,c)的输入值,可以达到条件覆盖的是______。
Int func(int a,b,c)
Int k=1:
If((a>0)1 1(b<0)l I(a+c>0))k=k+a:
Else k=k+b:
If(c>0)k=k+c;
Return k'
A. (1,1,1),(-1,1,1)
B. (1,1,1),(-1,-1,-1)
C. (1,1,-1),(1,1,1)
D. (1,1,-1),(-1,1,1)