[单项选择]患者，男性，60岁。尿频，排尿困难1年余，偶有血尿，直肠指诊前列腺质地坚硬，血清PSA明显升高。
确诊该病最可靠的检查
A. PSA
B. 直肠指诊
C. B超
D. 膀胱镜检查
E. 前列腺穿刺活检

[判断题]二次回路中电缆芯线和导线截面的选择原则是:只需满足电气性能的要求;在电压和操作回路中,应按允许的压降选择电缆芯线或电缆芯线的截面。( )
A.正确
B.错误

[判断题]总队每半年、支队每季度、大队、站每月至少开展1次灭火救援作战训练安全形势分析，查找责任落实、人员编配、学习教育、业务训练、作战行动、装备维保、车辆巡查、行车管理等方面存在的问题，分析原因，总结教训，制定针对性改进措施。参加重大灭火救援行动和开展高风险训练应组织安全风险评估，采取必要的安全防范措施。
A.正确
B.错误

[判断题]16.顺向锉法可使锉削表面得到正直的锉痕、比较整齐美观。 答案:正确
A.正确
B.错误

[单选题]有限空间作业过程中，一旦检测仪报警或发生安全防护设备、个体防护装备失效或作业人员出现身体不适时，作业人员应（ ）。
A.继续工作
B. 立即撤离有限空间
C.请示班长

[单项选择]Let us assume, for the moment, that labor is not prepared to work for a lower money-wage and that a reduction in the existing level of money-wages would lead, through strikes or otherwise, to a withdrawal from the labor market of labor which is now employed. Does it follow from this that the existing level of real wages accurately measures the marginal disutility of labor Not necessarily. For, although a reduction in the existing money-wage would lead to a withdrawal of labor, it does not follow that a fall in the value of the existing money-wage in terms of wage-goods would do so, if it were due to a rise in the price of the latter. In other words, it may be the case that within a certain range the demand of labor is for a minimum money-wage and not for a minimum real wage. The classical school has tacitly assumed that this would involve no significant change in their theory. But this is not so. For if the supply of labor is not a function of real wages as its sole variable, their arg
A. a fail in the value of real wages would lead to a withdrawal of the labor from market of labor.
B. a reduction in the existing level of money-wages would lead to a withdrawal from the labor
C. the supply of labor is not a function of real wages
D. the demand of labor is only for a minimum money-wages

[判断题]黄某贩卖10克海洛因后将所得6000元交其妻向某保管,并告知是贩卖毒品所得。向某构成窝藏毒赃罪,但如其到案后认罪、悔罪、积极退赃,且系初犯,可以免予刑事处罚。
A.正确
B.错误

[单选题]代谢性酸中毒的临床表现为( )
A.呼吸快而浅
B.呼吸慢而浅
C.尿液呈碱性
D.呼吸深而快

[多项选择]车务通业务资费包括（）。
A. 端口使用费；
B. 功能费；
C. 通信费；
D. 信息费。

[单项选择]建设投资静态投资部分的估算中，( )是以拟建项目的设备购置费为基数，根据已建成的同类项目建筑安装和其他工程费等与设备价值的百分比，求出拟建项目建筑安装工程费和其他工程费，进而求出项目的静态投资。
A. 备系数法
B. 主体专业系数法
C. 朗格系数法
D. 单位生产能力估算法

[判断题]内装清洗时要注意不要同酸性、碱性或腐蚀性物质接触，如偶尔接触也应及时处理。
A.正确
B.错误

[单项选择]变压器停送电时，（）操作是正确的。
A. 应先合装有保护的电源侧断路器，后合负荷侧断路器，停电时反之；
B. 应先合负荷侧断路器，后合装有保护的电源侧断路器，停电时反之；
C. 先合任一侧断路器均可以，停电时应先停负荷侧断路器；
D. 先合任一侧断路器均可以，停电时应先停电源侧断路器。

[判断题]当电气火灾发生时,如果无法切断电源,就只能带电灭火,并选择干粉或者二氧化碳灭火器,尽量少用水基式灭火器。 ( )
A.正确
B.错误

[单选题]党的十九大报告提出，各国人民同心协力，构建人类命运共同体，建设（）的世界。
A.持久和平、普遍安全、共同繁荣、开放包容、公平正义
B.持久和平、普遍安全、共同繁荣、公平正义、清洁美丽
C.持久和平、普遍安全、共同繁荣、开放包容、清洁美丽
D.持久和平、普遍安全、公平正义、开放包容、清洁美丽

[单选题]旅客列车在区间发生故障需双管改单管供风时,由车辆乘务员通知司机向列车调度员( 车站值班员 )提出在前方站停车处理的请求,并通知司机以不超过( )km/h速度运行至前方站。
A.120
B.140
C.160

[多项选择]味辛性温，功能开窍的药是
A. 远志
B. 皂荚
C. 麝香
D. 苏合香

[多项选择]城市生态学是研究城市人类活动与周围环境之间关系的一门学科。根据研究对象的不同，城市生态学可分为( )。
A. 城市自然生态学
B. 城市结构生态学
C. 城市人口生态学
D. 城市社会生态学
E. 城市政治生态学

[单选题]当发现配电箱、电表箱箱体带电时，应(____)，查明带电原因，并作相应处理。
A.检查接地装置
B.断开上一级电源
C.通知用户停电
D.先接地

[填空题]
When a new company is organized and shares are sold, it is not hard to determine the value of each share: all the shares together represent the total value of the company.
Ⅰ. The best way to explain how the stock market works.
To imagine you form a company to produce a soda with 4 friends:
1) putting in $600 together for the expenses involved in the (1) of (1) ______
the company;
2) stating every (2) represents $10 of the present value of the company; (2) ______
3) owning a share signifies--a part owner of the company.
Ⅱ. Stock price increases when (3) is good and the value of the company (3) ______
jumps.
1) the (4) $600 invested→$1,800 in value at present (4) ______
2) $10 per share originally → (5) each currently (5) ______
Ⅲ. Stock price fal