第1题: [单项选择]
色甘酸钠平喘作用的机制是
A. 促进儿茶酚胺的释放
B. 激动支气管平滑肌的β2受体
C. 稳定肥大细胞膜
D. 阻断腺苷受体
E. 激活腺苷酸环化酶
参考答案:C
第2题: [填空题]
水泥企业的污染主要有()、()和()三种。参考答案:粉尘、噪音、水污染
第3题:
[填空题]混凝土枕地段无缝线路(400m≤R≤2000m)清筛作业,作业轨温范围为实际锁定轨温+10-<--NRC-->℃。
参考答案:-10
第4题:
[单选题]为了提高主轴的( )和抗震性,C6140A车床采用了四支撑结构。A.刚度
B.强度
C.挠度
D.可塑性
参考答案:A
第5题: [单项选择]
球墨铸铁的成分要求比较严格,与灰口铸铁相比,它的含碳量较高,通常在()范围内变动,以利于石墨球化。A. 4.5%~4.7%
B. 2.5%~4.0%
C. ≥2.11%
D. ≤4.7%
参考答案:A
第6题: [单项选择]
粉尘按生成的特性分为()。A. 粉尘和灰尘
B. 烟尘和灰尘
C. 粉尘和烟尘
参考答案:C
第7题:
[单选题] 按照《 跨境贸易人民币结算试点管理办法实施细则》 相关规定,( )可以根据具体情况对境外参加银行的账户融资总余额、 融资期限进行调整。
A.境内银行
B.中国人民银行
C.外汇局
D.银监会
参考答案:B
第8题: [单项选择]
生产的()不合理,势必会造成商品滞销和积压,从而使生产效益下降。A. 商品品种;
B. 商品数量;
C. 商品质量
参考答案:A
第9题: [单项选择]
当三相异步电动机的机械负载增加时,如定子端电压不变,其输入功率()A. 增加
B. 减少
C. 不变
参考答案:A
第10题: [单项选择]
心烦不寐,触事易惊的不寐,多属A. 心肾阳虚
B. 痰浊闭阻
C. 心脾两虚
D. 心胆气虚
E. 心肾不交
参考答案:D
第11题: [填空题]
用高级语言编写的程序称为______,该程序必须被转换成______计算机才能执行。参考答案:源程序 目标程序
第12题: [判断题]
如果庆典工作还没有准备的很充分,可以将庆典取消、改期或延期。参考答案:错
第13题: [单项选择]
自动冲洗机动态管理界限的叙述,错误的是()A. 本底灰雾上限为+0.03
B. 中间密度(MD.界限为±0.10
C. 密度差(DD.界限为±0.01
D. MD超出管理限制范围±0.15.加以纠正
E. DD超出管理限制范围±0.15,尚可冲洗照片
参考答案:E
第14题: [单项选择]
进口押金制是指进口商在进口商品时,必须预先按进口金额的一定比例()。A. 在任意银行高息存入一笔现金才能进口
B. 在指定银行低息存入一笔现金才能进口
C. 在指定银行无息存入一笔现金才能进口
D. 在任意银行无息存入一笔现金才能进口
参考答案:C
第15题:
[单选题]检修联络用的断路器(开关)、隔离开关(刀闸),应在其来电侧验电。A.正确
B.错误
C.
D.
E.略
F.略
参考答案:B
第16题:
[多选题]在墙面粉刷石膏板时要怎么保证质量( )( )A.抹灰前基层表面的尘土、污垢、油渍等应清理干净,并应洒水湿润。
B.抹灰后应在终凝前完成搓平、压光。
C.抹灰表面应光滑、洁净、颜色均匀、无抹纹,分格缝和灰线应清晰美观。
D.抹灰石膏的运输、储存和堆放均应防雨、防潮。
E.抹灰层的总厚度应符合设计要求;粉刷石膏砂浆不得与水泥砂浆层、石灰砂浆层等互用。
参考答案:ABCDE
第17题: [单项选择]
在直角形角铁上找正加工孔的中心位置时,______找正工件上侧基准线,否则工件会歪斜。A. 还应
B. 不必再
C. 不要
参考答案:A
第18题:
[多选题]社会主义建设道路初步探索的重大意义有( )。A.巩固和发展了我国的社会主义制度
B.丰富了科学社会主义的理论和实践
C.为开创中国特色社会主义提供了宝贵经验、理论准备、物质基础
D.为其他国家的社会主义建设提供了经验和借鉴
E.表明社会主义建设可以形成一个固定的模式
参考答案:ABCD
第19题:
[判断题]脱磷反应是吸热反应。A.正确
B.错误
参考答案:B
第20题:
[单选题]液压传动装置实质}二是一种( )装置。A.运动传动
B.力的传递
C.液体变换
D.能量转换
参考答案:D
第21题: [多项选择]
维拉帕米的不良反应有A. 心率加快
B. 便秘
C. 低血压
D. 传导阻滞
E. 心收缩性降低
参考答案:B,C,D,E
第22题:
[单选题](27431)韶山8型电力机车牵引牵引杆(一)不允许有任何裂纹,并进行600~650℃的( )处理。(1.0分)
A.正火
B.退火
C.回火
D.淬火
19/109
参考答案:A
第23题:
[单选题]二级动火工作票由( )批准A.申请动火工区的动火工作票签发人
B.工区安监人员、消防人员
C.工区分管生产的领导或技术负责人(总工程师)
D.公司安监人员、消防人员
参考答案:C
第24题:
[单选题]老造粒为模板加入的蒸汽是高压蒸汽,阀门位于()阀站。A.1号
B.2号
C.3号
D.4号
参考答案:B
第25题:
[单选题] 无刷直流电动机与一般直流电动机最大的优点区别是( )。A.无滑动接触和换向火花,可靠性高以及无噪声
B.调速范围广
C.起动性能好
D.调速性能好
参考答案:A
第26题: [单项选择]
普通干粉灭火剂不可扑救()火灾。A. A类
B. B类
C. C类
D. E类
参考答案:A
答案解析:普通干粉灭火剂可扑救B类、C类、E类火灾,因而又称为BC干粉灭火剂。
第27题: [单项选择]
质量控制室对压力蒸汽灭菌器的灭菌效果应定期进行检查。运用化学指示剂法,检查频率是()。A. 每批1次
B. 每季度1次
C. 每月1次
D. 每周一次
E. 每日一次
参考答案:C
第28题:
[填空题]全站信号停用的电务施工作业,根据调度命令下达的施工命令起止时间,电务部门在该时间段内可对接、发列车进路以外的道岔(<--NRC-->除外)进行操纵转换,禁止转换影响接发列车进路的道岔以及防护道岔。
参考答案:防护道岔
第29题: [单项选择]
货币乘数对货币供给的影响表现为:在( )一定的条件下,货币乘数与货币供给成正比。A. 货币乘数
B. 货币供给
C. 货币需求
D. 基础货币
参考答案:D
第30题:
[单选题]病人女性,70岁,患有风湿性心脏病二尖瓣狭窄.慢性心力衰竭,进行强心.利尿.扩血管治疗,在使用洋地黄药物时,要注意病人有无禁忌证。下列属于应用洋地黄药物禁忌证的疾病是
A.充血性心力衰竭
B.三度房室传导阻滞
C.心房颤动
D.室上性心动过速
E.心房扑动
参考答案:A
答案错误,自行解答
第31题:
[单选题]下列不是蒸发设备所包含的构件是()。A.加热室
B.分离室
C.气体分布器
D.除沫器
参考答案:C
第32题:
[单选题] 根据《证券法》,下列不属于操纵证券市场行为的是( )。A. 与他人串通,以事先约定的时间、价格和方式相互进行证券交易
B. 利用虚假或者不确定的重大信息,诱导投资者进行证券交易
C. 利用自己出众的投研能力连续买卖
D. 利用在其他相关市场的活动操纵证券市场
参考答案:C
操纵证券市场的行为
第33题:
[填空题]普通接头轨缝不得大于_,绝缘接头轨缝不得小于6mm。轨缝设置应均匀,防胀期间不得有连三及以上瞎缝。
参考答案:18mm
第34题: [多项选择]
What kinds of reasons might there be for staff leaving their jobs
What steps could be taken to reduce staff turnover参考答案:
Suggested discussion: Candidate A: Let’s get going. I think there might be a lot of reasons for staff leaving their jobs. Among these reasons, the most common one is that staff member feels that he/she is earning very little in his/her job. What do you see it
Candidate B: Well, I think there are several reasons, really. I mean, as employees expand their horizon their outlook becomes increasingly global. Employees may be asked: What do you enjoy about working here In the past year, have you thought about leaving If so, why How can we im prove our company and create an even better place to work Employees are most likely reply they want better training, better working conditions, better communications with their supervisors and, above all, wanted their bosses to“make me feel like I make a difference”.
Candidate A: So how do we go about weighing up all these factors and taking steps to reduce staff turnover
Candidate B: Well, it’s crucial that the management knows precisely what they’re after from staff and that they fully understand their key steps. One of the steps is linking pay and bonuses with performance. What do you think about it
Candidate A: Yes, it’s not easy to change how things are done. Bureaucracies, like people, fall into bad habits, and adapting to change can be painful. All the departments of the company need to do their parts to reform the rules and working environment. So far as I know, most employees are dependable and loyal and they’re not afraid of hard work.
Candidate B:That’s true. We’ve conducted surveys recently. Surveys say that when AE,000 in retail shops across the country employees were asked to list in order the AH reasons for working where they did, they ranked “good pay”third. In first place was“appreciation of work done”, with “respect for me as a person”second.
Candidate A: So the management should put high value on staff moral. High labor turnover rates resulting from the indiscriminate hiring of “cheap”workers can be extremely costly. Many companies have declared a“war for people”in an effort to recruit and keep better staff.
Candidate B: If we take correct steps to boost staff moral, labor turnover is expected to decline by more than half. Evidence suggests that the management ought to spend more money on retaining employees in the hope of spending less on finding and training new ones.
Candidate A: I agree with you. I think, to slow its labor turnover, we have to get a simple message accepted throughout our operating divisions: loyal, well-motivated employees make customers happy and that, in turn, creates fatter profits and happier shareholders. Improved training of middle manager could also help. So could a change in bonus arrangements.
Candidate B: At the same time, the senior managers may become fussier about the people they recruited. They would rather screen out job applicants motivated mainly by money: applicants, which some companies pejoratively described as“pay first people”. Such people form a surprisingly small, though apparently disruptive, part of the service-industry workforce. Many companies found in its employee-attitude surveys that only about B0% of their workers regarded pay as their primary reason for working there.
Candidate A: Probably, you’re right. But people are willing to do annoying things in exchange for money or entertainment, so they may go for the bait. And many middle managers in service industries are more comfortable coping with demands for more money than with demands for increased recognition and better communications. They will have to change their ways. Well, let’s summarize what we said and make a decision, shah we
Candidate B: Yes, we shall go over the questions first, and then make decisions together.
第35题: [填空题]椭圆2x
2+y
2=8的焦点坐标是______.
参考答案:(0,2),(0,-2)
第36题:
[单选题]移频自动闭塞交流电压的允许波动范围是( )。[321010101]A.±15V
B.±18V
C.±20V
D.±22V
参考答案:D
第37题:
[判断题]有限空间作业是指作业人员进入有限空间实施的作业活动,包括有限空间场所进行的安装、检修、巡视、检查等工作。
A.正确
B.错误
参考答案:A
第38题:
[多选题]根据《建设工程监理规范》GB/T50319-2013,下列属于监理员职 责的有()o【《建设工程监理规范》GB/T50319-2013 324】
A.检查进场的工程材料质量
B.进行工程计量
C.进行见证取样.
D.复核工程计量有关数据
E.检查工序施工结果
参考答案:CDE
第39题:
[单选题] 铁路线两侧已经设置围墙、栅栏、防护桩等安全设施后,需要设置( )。A.红线区域
B.安全保护区
C.铁路隔离区
D.禁止扰动区
参考答案:B