热门试题:
[单项选择]
Humanity uses a little less than half the water available worldwide. Yet occurrences of shortages and droughts are causing famine and distress in some areas, and industrial and agricultural by-products are polluting water supplies. Since the world’s population is expected to double in the next 50 years, many experts think we are on the edge of a widespread water crisis.
But that doesn’t have to be the outcome. Water shortages do not have to trouble the world—if we start valuing water more than we have in the past. Just as we began to appreciate petroleum more after the 1970s oil crises, today we must start looking at water from a fresh economic perspective. We can no longer afford to consider water a virtually free resource of which we can use as much as we like in any way we want.
Instead, for all used except the domestic demand of the poor, governments should price water to reflect its actual value. This means charging a fee for the water itsel
A. is already serious in certain parts of the world
B. has been exaggerated by some experts in the field
C. poses a challenge to the technology of building reservoirs
D. it underestimated by government organizations at different levels
[单项选择]患者胸闷隐痛,时作时止,心悸气短,倦怠懒言,面色少华,头晕目眩,遇劳则甚,舌偏红或有齿痕,脉细弱无力或结代。治疗应更好的选择()。
A. 枳实用白桂枝汤
B. 参附汤合右归饮
C. 瓜萎用白半夏汤
D. 血府逐瘀汤
E. 生脉散合人参养营汤
[单项选择]一般来说,债券的期限越长,其市场价格变动的可能性就:()。
A. 越大
B. 越小
C. 不变
D. 不确定
[判断题]行政诉讼期间,被告行政机关委托的律师可以向原告和证人收集证据。
A.正确
B.错误
[单选题]孙某不服某派出机构对其依法作出的30元罚款裁定,应当由()复议。
A.该派出机构
B.设立该派出机构的行政机关
C.乡人民政府
D.该派出机构所在地街道办事处
[判断题] 警徽是人民警察的象征和标志。公安民警必须爱护警徽,维护警徽的尊严。
A.正确
B.错误
[单选题]作业人员杆上作业,要先检查( )是否牢固。
A.基础
B.拉线
C.杆塔根部
D.杆塔根部、基础和拉线
[单选题]适合用来制作红烧肉的部位是( )。
A.坐臀肉
B. 五花肋条
C.夹心肉
D.外裆肉
[单选题]下列几种燃气,哪些不属于天然气范畴?( )
A.气井气
B.油田伴生气
C.油制气
D.矿井瓦斯气
[判断题]安全线及避难线上,禁止停留机车车辆。
A.正确
B.错误
[单选题]— 年 9 月 15 日,中国人民银行发布公告,授权中国银行()分行担任人民币清算行,这是继今年 6 月中国银行成为()人民币清算行后,在欧洲大陆再度获此授权。
A.法兰克福 罗马
B.巴黎 法兰克福
C.巴黎 卢森堡
D.米兰 法兰克福
[单选题]下列情形中,投标人中标有效的是( )。
A.投标人给予招标人金钱获取中标
B.投标人在投标书中表明给予招标人折扣获取中标
C.投标人在账外给予招标人回扣获取中标
D.投标人在账外给予评标委员会财物获取中标
[单项选择]下列不属于战略控制原则的是()。
A. 适应性原则
B. 确保目标原则
C. 适时控制原则
D. 综合平衡原则
[单选题]插接式单管塔一般高度:( )
A.15—35米
B.15—50米
C.15—60米
D.15—80米
[判断题]气门响的现象是:发动机怠速运转中有连续不断的、有节奏的“嗒嗒”的金属敲击声,并且随转速升高节奏加快。( )
A.正确
B.错误
[单选题]LFB31057 风电机组轮毂的材料多用( )。
A.Q345钢;
B.铝;
C.球墨铸铁;
D.木材。
[单项选择]工程项目范围确认的方法不包括( )。
A. 测试
B. 比较和分析
C. 处理
D. 整理
[单选题] 处置公路隧道灾害事故,一般情况下车辆应停放在( )。
A.隧道两端洞外右侧
B.隧道路口
C.隧道两端洞外左侧
D.隧道内
[单项选择]在磁盘存储器中,寻道时间是()。
A. 使磁头移动到要找的柱面上的所需时间
B. 使磁头移动到要找的数据上的所需时间
C. 在扇区中找到要找的区所需的时间
D. 在磁道上找到的区所需的时间
[单选题]尾流移动的基本特征是
A.缓慢下沉
B.缓慢上升
C.缓慢飘移
D.高度不变
[多选题]企业安全生产委员会(或安全生产领导小组)的组成人员不包括( )。
A.企业安全生产第一责任人
B.分管领导
C.各有关部门负责人
D.工班长
[单选题]三级地震响应以注意()为主,一般不采取紧急处置措施
A.询问
B.了解
C.汇报
D.观察
[单选题]吊运大块或整体模板时,竖向吊运不应少于( )个吊点
A.4
B.2
C.1
D.3
[判断题]施工作业系指影响设备稳定、使用和行车安全或需改变列车运行条件的作业。
A.正确
B.错误
[填空题]《铁路旅客运输服务质量规范》(铁总运〔2016〕247号)规定,遇售票、检票系统故障时,组织<--NRC-->进行故障排查,按规定启用应急售票、换票程序,组织人工办理检票。
[单项选择]在可摘局部义齿设计中,固位和稳定效果最好的卡环是().
A. 双臂卡环
B. 单臂卡环
C. 圈形卡环
D. 间隙卡环
E. 三臂卡环
[多选题]继电保护、配电自动化装置、安全自动装置及自动化监控系统做传动试验或一次通电或进行直流系统功能试验前,应( )后,方可进行。
A.通知运维人员
B.通知有关人员
C.通知工作票签发人
D.指派专人到现场监视
[单项选择]I won"t be modest. I am gratified to discover that a paper I penned on inequality made its way into Matt Miller"s Washington Post column last week. Mr Miller asks why rising inequality has not【C1】______ America"s least-favored classes to agitate for a 【C2】______ . He agrees with my verdict: that access to【C3】______ goods among the least well-off has ensured that material inequality is not as【C4】______ as income inequality. 【C5】______ modern conveniences have taken some of the【C6】______ out of a relatively small income. This in turn has【C7】______ the drive to seek causes of and cures for【C8】______ "s discomfort. So the gap between rich and poor is sometimes less【C9】______, even if it is great and growing. Day-to-day experience is mostly a matter of our【C10】______ circumstances, and if those are【C11】______ enough, a widening gap in income, consumption or wealth is【C12】______ to come often to our attention. Even if the abstract fact of rising inequality does come across our radar, it may【C13】______ our sense of justice only if we"ve become convinced that inequality itself is【C14】______, or if we face related catastrophes. When I wrote the paper, official measures of income inequality had increased a good deal over the past few decades【C15】______ consumption inequality seemed to have remained【C16】______ New research suggests that consumption inequality has been increasing with income inequality【C17】______. This may be true, but it seems【C18】______ to the question of why America"s poor aren"t storming the barriers. The consumption data concerns how much we【C19】______, not how we experience what we buy, and that"s the real issue. Even if we could agree that inequality in real standards of living is rising, this is not something we actually experience unless we are hungry, or【C20】______ with the entertainments of our leisure.【C18】
A. relevant
B. close
C. linked
D. irrelevant
[判断题]如需临时租赁汽车起重机及其操作人员、施工单位应至少于机械入场前7日,完成吊车租赁合同及安全协议签订程序,并将租赁合同、安全协议及人员、机械相关证明材料报监理业主审查。
A.正确
B.错误
[单选题]为提高离心泵的经济指标,宜采用( )叶片
A.前弯
B.后弯
C.垂直
D.水平
[判断题]作业人员登杆塔前应核对停电检修线路的识别标记和线路名称、杆号无误后,方可攀登。
A.正确
B.错误
[判断题](51961)( )特别重大事故由国务院或者国务院授权的部门组织事故调查组进行调查,一般事故有铁路局 自己组织进行调查处理。(2.0分)
A.正确
B.错误
[填空题]如果变压器上层油温较平时高出10℃以上,或负荷不变,油温不断上升,首先检查是否测温计(),如果不是测温计出问题,就是变压器内部发生故障,此时应立即将变压器()。
[单选题]在起吊、牵引过程中,受力钢丝绳的周围、上下方、转向滑车内角侧、吊臂和起吊物的下面,禁止有人逗留和通过。
A.正确
B.错误
C.略
D.略
E.略
F.略
[单选题]《反恐怖主义法》规定,跨省、自治区、直辖市发生的恐怖事件或者特别重大恐怖事件的应对处置,由( )指挥 .
A.国家反恐怖主义工作领导机构负责指挥
B.省级反恐怖主义工作领导机构负责指挥
C. 多个省级反恐怖主义工作领导机构联合指挥
[单项选择]地面测距设备的工作频率范围是()MHz。
A. 1025-1150
B. 1024-1150
C. 962-1213
D. 962-1214
[单选题]14岁,男性,自幼身体矮小,近3年增长<5Cm,学习成绩好,就诊查体身高98Cm,童音童貌,外生殖器未发育,睾丸小,骨年龄9~10岁,染色体正常,生长激素基础值1.11μg/L(正常0~5μg/L),胰岛素低血糖兴奋试验各时间点值均<5μg/L,最可能的诊断是
A.Laron侏儒
B.垂体性侏儒
C.克汀病性侏儒
D.体质性侏儒
E.青春期延迟
[单项选择]某钢筋混凝土框架结构厂房,拟采用2m×3m独立柱矩形基础,基础埋深为地表以下2.5m。初勘阶段已查明场地设计基础底面以下6~9m处可能存在溶洞,则在详勘阶段的钻孔深度至少应为()。
A. 9.0m
B. 10.5m
C. 12.5m
D. 13.5m