Obviously television has both
advantages and disadvantages. In the first place, television is not only a convenient source of entertainment, but also a cheap one. With a TV set in the family people don’t have to pay for expensive seats at the theatre, or the cinema. Some people, however, think that this is where the danger comes from. The television viewers need do nothing. He makes no choice and exercises, no judgment. He is completely passive. Television keeps one informed about what is happening. The most distant countries and the strangest customs are brought right into one’s sitting room. On television everything is much more living, much more real. Yet here again there is a danger. We get so used to looking at the movements on it, so dependent on its pictures that it begins to control our lives. People often say that their television sets have A. To amuse the reader’s happiness. B. To introduce the theme of the whole passage. C. To summarize the whole passage. D. To sate the complete bad uses of TV. [判断题]固定成本曲线和可变成本曲线都是从原点开始的曲线。
A.正确 B.错误 [判断题]根据《银行业消费者权益保护工作指引》,银行业金融机构应当了解银行业消费者的风险偏好和风险承受能力,不得提供与银行业消费者风险承受能力不相符合的产品和服务。( )
A.正确 B.错误 [简答题]报警时,警铃和紧急广播会怎么做?
[单项选择]整个锅炉的骨架是( )。
A. 锅炉钢架 B. 锅筒 C. 基础 D. 集箱 [名词解释]限价委托(limit order)
[单选题]党的十九大报告指出,经过长期努力,中国特色社会主义进入了(),这是我国发展新的历史方位。
A.新时代 B.新纪元 C.新阶段 D.新时期 [单选题]在机械生产场所内,中型设备离墙体的距离应大于( )。
A.0.6m B.0.8m C.1m D.1.2m [多选题]配电线路故障指示器入网专业检测阻尼振荡磁场抗扰度试验,应能承受( )级阻尼振荡磁场抗扰度,磁场强度( )。
A.4 B.5 C.100A/m D.200A/m [多项选择]下述关于紧急泄压阀联锁手动打开按钮误动作后处理操作的说法错误的是()。
A. 迅速进行联锁复位后,关闭该阀,新氢压缩机递推系统手动操作,新氢量逐步提高 B. 将新氢机负荷打到100%,启动备机,全量补氢气 C. 装置紧急停工,关闭进料泵出口阀、关闭反应加热炉入口阀 D. 紧急停机,避免机组损坏 [单选题]在螺纹道钉硫磺锚固作业中,熔制混合溶液,需放入硫磺、水泥、砂子和石蜡,下列放入的顺序中,( )是正确的。
A.先放硫磺再放砂子和水泥最后放石蜡 B.先放砂子再放硫磺和水泥最后放石蜡 C.先放水泥再放硫磺最后放石蜡和砂子 D.先放砂子再放水泥最后放硫磺和石蜡 [单选题]有关节盘的关节 ( )
A.肩关节 B.肘关节 C.胸锁关节 D.髋关节 E.距小腿关节 [判断题]普速铁路作业人员必须按照班前安全预想布置的规定径路行走,双线地段应在面迎来车的一侧路肩或人行道行走。行走中,人员、机工具及材料不得侵入铁路机车车辆限界。
A.正确 B.错误 [判断题]有5个相同的蓄电池,每个电池的电动势均为2V,内阻均为0.1Ω,串联后与R=4.5Ω的负载电阻相连,则流过电阻R的电流为2A,R两端的电压为9V,消耗的功率为18W。
[单选题]作业人员必须具备必要的安全生产知识,学会紧急救护法,特别要学会()
A.心肺复苏法 B.创伤急救 C.触电急救 [多选题]颞下颌关节紊乱病的发病因素包括( )
A.精神因素 B.社会心理因素 C.外伤及微小刨伤 D.因素 E.免疫因素 [单选题]根据迈克尔·波特教授提出的“五力模型”,在行业中普遍存在着五种竞争力量,分别是行业中现有企业间的竞争、新进入者的威胁、替代品的威胁、购买者的谈判能力和( )。
A.供应者的谈判能力 B.生产者的谈判能力 C.销售者的谈判能力 D.使用者的谈判能力 我来回答: 提交
|