热门试题:
[单选题]电容器的无功输出功率与电容器的电容( )。 ( )
A. 成反比
B. 成正比
C.成比例
D. 不成比例
[单项选择]Teachers and other specialists in early childhood education recognize that children develop at different rates. Given anything that resembles a well-rounded life — with adults and other children to listen to, talk to, do things with — their minds will acquire naturally all the skills required for further learning.
Take for example, reading. The two strongest predictors of whether children will learn to read easily and well at school are whether they have learned the names and the sounds of letters of the alphabet before they start school. That may seem to imply that letter names and sounds should be deliberately taught to young children, because these skills will not happen naturally.
But in all the research programs where they have done just that — instructed children, rehearsed the names and sounds over and over — the results are disappointing. The widely accepted explanation is that knowledge of the alphabet for it to work in helping one to read, has to be deeply embedded
A. framework
B. stage
C. capital punishment
D. scathing
[判断题]《普修规》曲股基本轨的弯折点位置或弯折尺寸不符合要求,造成轨距不符合规定,应及时修理或更换。
A.正确
B.错误
[单项选择]患者,男,23岁。昨晚贪凉后出现泄泻,大便如水样,伴腹痛肠鸣,脘闷纳呆,鼻塞流涕,头身疼痛,舌苔薄白,脉濡缓。证属
A. 寒湿泄泻
B. 湿热泄泻
C. 暑湿泄泻
D. 食滞泄泻
E. 脾虚泄泻
[单项选择]
I often find myself asking my grandmother to tell me stories of people’s life that occurred around the start of the Renaissance(文艺复兴). She says she looks forward to the times I show my inquisitive(刨根问底的) personality by asking her all about our family’s past when they lived over in Europe, years and years ago. I must do all my responsibilities around the house, which also includes getting my homework done each evening in order for my fun times with my grandmother to always ensue.
One particular evening, I remembered doing everything my morn had told me that day to do. This was mainly because grandmother had previously promised this would be the day she would tell me all about the obsequious(谄媚的) and sectarian(宗派的) groups of people who lived back then. As soon as I finished all my responsibilities, I rushed over to her house which was next door to my house. However, as I was running over there as fast as I could, my shoes lost
A. What had happened during the boy’s way to grandmother’s house.
B. Why he didn’t want grandmother to know about why his body was bruised.
C. How the boy was looking forward to that particular evening.
D. The reasons why he was so curious about the life in the Renaissance.
[多选题]触头按结构形式可分为( )。
A.A. 固定触头
B.B. 可断触头
C.C. 可动触头
D.D. 混合触头
[单项选择]男性的性腺器官是
A. 睾丸
B. 卵巢
C. 子宫
D. 附睾
E. 输卵管
[单项选择]甲个人独资企业2011年共取得产品销售收入300000元,该企业当年发生的与其生产经营业务有直接关系的业务招待费支出为6000元,根据《个人所得税法》及其实施条例的规定,该个人独资企业在计算缴纳个人所得税时,准予税前扣除的业务招待费为( )元。
A. 1500
B. 3600
C. 6000
D. 2400
[判断题]工程量是以物理计量单位或自然计量单位所表示的各个分项工程和结构配件的数量级。
[判断题]受限空间作业需强制通风可将新鲜空气导入到有限空间,增加氧气浓度,降低有毒气体浓度
A.正确
B.错误
[单选题]当列车需要车间供电时,需将三位置开关置( )位。
A.运行
B.接地
C.库用电源
D.制动
[单选题]传递波速略小于横波,不向材料深处传播的超声波是( )。
A.横波
B.表面波
C.爬行波
D.纵波
[判断题]用人单位不应当对未成年工定期进行健康检查。
A.正确
B.错误
[单项选择]矿产、土地资源是( )。
A. 可再生资源
B. 人文社会资源
C. 不可再生资源
D. 经济资源
[多选题]“四个全面”战略布局内容是什么
A.全面建成小康社会
B.全面深化改革
C.全面推进依法治国
D.全面从严治党
[填空题]光缆障碍处理原则是指( )、( )、先高级后低级。
[填空题]( )蒸汽疏水器是一个能排出设备或配管中冷凝液( )和空气,同时使蒸汽损失最小的自动阀门。
[单项选择]治疗急性梗阻性化脓性胆管炎通常选择的方法()
A. 非手术治疗
B. 作胆总管切开减压、T管引流手术
C. 经皮肝穿刺胆道造影引流(PTCD.
D. 鼻胆管引流(ENBD.
E. 胆囊造瘘手术
[单项选择]某公司的资金结构中长期债券、普通股和保留盈余资金分别为600万元、120万元和80万元,其中债券的年利率为12%,筹资费用率为2%;普通股每股市价为40元,预计下一年每股股利为5元,每股筹资费用率为2.5%,预计股利每年增长3%。若公司适用的企业所得税税率为25%,则该公司加权资本成本(按账面价值权数)为()。
A. 9.64%
B. 10.81%
C. 11.85%
D. 12.43%
[判断题]营销作业人员操作时,可直接在地面操作的断路器(开关)、负荷侧开关的操作机构应加锁;不能直接在地面操作的断路器(开关)、隔离开关(刀闸)应悬挂“禁止合闸,有人工作!”或“禁止合闸,线路有人工作!”的标示牌。
A.正确
B.错误
[单选题] 应急响应启动后要保证站、车旅客饮食、饮水、药品供应,耐心做好旅客的(),稳定旅客情绪。
A.服务工作
B.安抚工作
C.疏散引导
D.安全防护
[单选题]货物列车起动困难时,可适当压缩车钩,但不应超过总辆数的( )。
A.三分之一
B.三分之二
C.二分之一
[单选题]交流电的三要素是()。
A.周期、频率、角频率
B.相位、初相位、相位差
C.最大值、有效值、平均值
D.最大值、角频率、初相位
[单项选择]兔黏液瘤病的特征性病变是()
A. 天然孔周围发生黏液性肿胀
B. 大肠出血性炎症,肝肿大
C. 脾脏肿大,肾脏肿大
D. 大肠纤维素性炎症,淋巴结肿大
E. 小肠急性、卡他性、纤维素性或出血性炎症
[单选题]《变电评价管理规定》中,在35kV变电站评价流程中,每年10月至11月,地市公司运检部从各单位参评变电站中抽选1座变电站,组织评价专家赴变电站现场开展为期( )的评价,评价完成后反馈问题清单。
A.1周
B.2周
C.3周
D.4周
[单选题]以( )为核心的民族精神,是中华民族生生不息、发展壮大的坚实精神支撑和强大道德力量。
A.爱国主义
B.改革创新
C.锐意进取
D.道德建设
[单选题]调车色灯复示信号机无显示,表示调车信号机在( )状态。
A. 灭灯
B. 开放
C. 关闭
D. 故障
[单项选择]下列城市不属于渤海沿岸的是哪一个()。
A. 黄骅
B. 东营
C. 威海
D. 葫芦岛
[单项选择]如果修改施工图设计内容,必须经( )同意。
A. 施工单位
B. 建设单位
C. 设计单位
D. 总监理工程师
[单选题]容易引起职业性白内障的是( )。
A.紫外线
B.
C.
D.红外线
[判断题]当吊钩出现裂纹或磨损后,有修复价值的可用焊接方法修复。
[单选题]
男性,14岁。受凉后咳嗽,喘息2天,自服红霉素、氨茶碱(剂量不详)症状无缓解。无心脏病史。体检:口唇发绀,全身大汗,双肺可闻哮鸣音,心率120次/分,律齐,未闻及病理性杂音。最可能的诊断是:
A. 心源性哮喘
B. 慢性喘息型支气管炎急性发作
C. 急性支气管炎
D. 过敏性肺炎
E. 重症支气管哮喘
[单选题]()开展现场初勘,检查落实安全施工作业必备条件是否满足要求。
A.施工单位
B.施工项目部
C.设计单位
D.建设管理单位
E.略
F.略