热门试题:
[单项选择]在1953年开始的“一五计划”实施过程中,“在某种程度上忽视了农业的发展”“社会主义改造过急过快,为以后相当长时间留下了后遗症”。这种评价告诉我们()
A. 在“一五计划”实施中存在着一些问题
B. “一五计划”大幅度超额完成所有指标
C. 在“一五计划”实施中失误占主导地位
D. “一五计划”以农业经济的发展为中心
[简答题]客货共线线路某曲线半径为10000m,最高行车速度为250km/h,最低速度为80km/h,平均速度为 140km/h,求线路设置超高是多少?并检算。
解:1、根据公式 h=11.8 V2p /R 得 h=ll. 8 X 140 X 140/10000=23mm 超高取 5mm 的整数倍即为 25mm 或 20mm。2、曲线检算未被平衡欠超高为 Hc=ll. 8v2max/R -H He =11. 8 X 250 X 250/10000-25=48. 75mm>: 40mm 未被平衡过超高为 Hg=H -11. 8v2h/R Hg =25-11. 8X80X80-17. 488mm< 50mm 固欠超高 He
=48. 75nun>40mm,可将超高调整为35mm,重新检算欠、过超高如下:He =11.8X250X250/10000-
35=38. 75mm< 40mniHg =35-11. 8 X 80 X 80=27. 488mm< 50mm
[单选题]《 隔离开关评价细则》规定,机构箱外观完整、无损伤、接地良好,箱门与箱体之间接地连接铜线截面积不小于( )mm2
A.5
B.4
C.3
D.2
[判断题]各单位应当选择适当的方法,对生产经营过程中的危害因素每年至少组织一次全面辨识,辨识结果应当形成记录。( )
A.正确
B.错误
[判断题]某电厂变电班检修一台厂用变,和厂用变高压侧断路器同时开具一张电气第一种工作票。
A.正确
B.错误
[单选题] 第258题 (3.0分) 题号:1458 难度:中 第7章
A.A类
B.C类
C.D类
D.E类
[单选题]要使一个团队能跻身世界强队之列,至少必须解决两个关键问题。一是提高队员基本技能,二是讲究科学训练。不切实解决这两点,即使临战时拼搏精神发挥得再好,也不可能取得突破性的成绩。以下哪一项推理没有表达上述议论的观点?( )
A.除非提高队员的基本技能和讲究科学训练,否则不能取得突破性成绩
B.只要提高了队员的基本技能和讲究了科学训练,就一定能取得突破性成绩
C.如果取得了突破性成绩,说明一定提髙了队员的基本技能并且讲究了科学训练
D.如果不能提高队员的基本技能,即使讲究了科学训练,也不可能取得突破性成绩
[单选题]机车及自轮运转特种设备在车站停留时,由( )负责将其保持制动(防溜)状态,并按规定采取止轮措施。
A.工长
B.司机
C.副司机
D.学习司机
[判断题]安全隔离网闸通常提供2个标准以太网百兆接口。
A.正确
B.错误
[单选题]CRH380A统型动车组一级修程中制动盘偏磨最高点和最低点之差≤( ) 。
A.0.5mm
B.0.6mm
C.0.7mm
D.0.8mm
[填空题]《植物检疫条例实施细则(林业部分)》规定,当事人对森检机构的行政处罚决定不服的,可以自接到处罚通知书之日起十五日内,向作出行政处罚决定的森检机构的上级机构申请();对()决定不服的,可以自接到复议决定书之日起十五日内向人民法院提起()。
[判断题]从业人员依法获得劳动安全生产保障,是劳动者应享有基本的权利。
A.正确
B.错误
[单选题]在用0°探头自轨面对铝热焊缝探测时,造成轨底回波高度明显下降的原因可能是( )。
A.疏松
B.粗晶
C.裂纹
D.疏松和粗晶
[判断题]各阀弹簧应按单阀弹簧数量放置在弹簧配送盒内,多个弹簧配送盒(最多不超过11个弹簧配送盒)统一放入一个辆份配送框。
A.正确
B.错误
[填空题]A
Globalisation is an umbrella term for a complex series of economic, social, technological, cultural and political changes seen as increasing interdependence, integration and interaction between people and companies in disparate locations. As a term, "globalisation" has been used as early as 1944 but economists began applying it around 1982. Theodore Levitt is usually credited with its coining through the article he wrote in 1983 for the Harvard Business Review entitled "Globalisation of Markets". The more encompassing phenomenon has been perceived in the context of sociological study on a worldwide scale.
B
Inflation risk is whether a rate of return or an investment keeps up with the rate of inflation. For example, if there is 4 percent inflation over the year, you must have 4 percent more money at the end of the year than at the beginning of the year to buy the same amount of goods and services. That means your stock ne
[单选题]地基验槽应由施工单位( )组织质量员、施工员、班组长自检,合格后填写记录并签认,报请建设(监理)、设计、勘察单位核验并签字确认。
A. 项目经理
B. 技术负责人
C. 资料员
D. 项目副经理
[判断题]保证人信用等级必须在 BBB 级( 含) 以上。( )
A.正确
B.错误
[单项选择]Entrepreneurs are everybody’s darlings these days. They may be small, but they are innovative. And innovation, we are assured, is the main engine of economic growth.
For policymakers everywhere, the task is to get the little critters to nest and breed. Give them the conditions they like--plenty of venture capital, tax breaks and a risk-taking culture—and the sun will shine on all of us, just like in California.
Along comes Amar Bhide to tell us most of this is plain wrong. Entrepreneurs, he asserts, are not risk-takers at all. Nor do most of them innovate, or depend on venture capital.
His findings are striking enough. Start with his assertion that entrepreneurs are not innovators or risk-takers. The vast majority of new businesses, he points out, start small and stay that way. These are the hairdressing salons, corner shops and landscape gardeners. Those are mature, predictable industries. For just that reason, they are the least profitable.
The success stories com
A. the myths surrounding entrepreneurs
B. the success stories of entrepreneurs
C. qualities of successful entrepreneurs
D. differences between entrepreneurs and big companies
[判断题]掘进工作面掘进截割煤时,可以将前照灯进行遮挡。
A.正确
B.错误
[单选题]吴某经营一小型加工厂,为了扩大生产规模,急需贷款,因其不符合银行的放贷条件,于是便在向银行申请贷款的过程中提供了虚假材料,骗得银行贷款125万元。投入生产后被一客户诈骗,造成贷款到期无法归还。关于吴某行为的认定,下列说法正确的是【】。
A.吴某主观上无非法占有的目的,其亏损是由于客观因素造成的,不构成犯罪
B.吴某通过欺诈手段骗得银行贷款,构成贷款诈骗罪
C.由于吴某系个人贷款,因此构成诈骗罪
D.吴某虽无非法占有的目的,但由于给银行造成了重大损失,因此构成骗取贷款罪
[多项选择]弥漫性脑萎缩见于哪些病理情况()
A. Alzheimer病
B. Huntington病
C. Parkinson病
D. Pick病
E. Wilson病
[判断题]车站站厅/站台公共区照明一半及以上失电是二类故障。
A.正确
B.错误
[单项选择]气滞血瘀型痛经的临床表现是()。
A. 每于经前一二日或月经期小腹胀痛,拒按,舌紫黯或有瘀点,脉弦
B. 经期或经后小腹冷痛,喜按,得热则舒。脉沉,苔白润
C. 经前数日或经期小腹痛,得热痛减,按之痛甚,苔白腻,脉沉紧
D. 经前小腹疼痛拒按,有灼热感,舌红,苔黄腻,脉弦数或濡数
E. 经后一二日或经期小腹隐隐作痛,舌质淡,脉细弱
[单项选择]不属红细胞外在异常所致的溶血性贫血的是( )
A. 自身免疫性
B. 脾功能亢进
C. 酶缺陷
D. 铅中毒
E. 遗传性球形红细胞增多症
[单选题]消防电梯的载重量不宜小于( )kg。
A.600
B.800
C.1000
D.1500
[单项选择]患者,男,胸痛发热,诊断为胸膜炎,如能听到胸膜摩擦音,所听最清楚的部位是
A. 肺尖
B. 前下侧胸壁
C. 下背部
D. 上背部
E. 上前胸
[单选题]世界上第一个安乐死合法化的国家是()
A.美国
B.瑞士
C.荷兰
D.比利时
E.法国
[多项选择]留存盈余和发放股利的决策通常会受( )因素的影响。
A. 企业的财务杠杆
B. 企业的流动性水平
C. 债务契约中的股利约束
D. 即将偿还债务的需要
[单项选择]胆管结石的临床表现主要取决于
A. 结石大小
B. 有无感染及梗阻
C. 结石部位
D. 是否合并有胆源性胰腺炎
E. 是否引起肝细胞损害
[填空题]The other day my brother Tom was beginning his 56.______
motorbike then our neighbor, Mary came out and asked 57.______
him if he was going near the station. So he offered her a lift.
She got at the back of the motorbike and 58.______
they drove away. Just before they reached to the station 59.______
a policeman waved to them to stop. "Excuse me, sir," he said,
"You are not sitting on that motorbike properly. "
"What’s matter with the way I’m sitting" my brother 60.______
asked in surprise. "Not you sir. It’s a young lady," said 61.______
the policeman, "In this country side-saddle(偏座) is not 62.______
permitted when one ride a motorbike.”Mary made an excuse 63.______
that she was from Italy,where it isn’t.considering to 64.______
break the law when people take the side-saddle.
The policeman shook head and drove away. 65.______
[单选题]依据《中国石化临时用电作业安全管理规定》,临时用电架空线应采用()。
A.高压电缆
B.绝缘铜芯线
C.阻燃电线
D.特种电缆
[单选题]1999 -59.2006-146.因清气不升所致耳鸣,其治疗主方用
A.补中益气汤
B.半夏白术天麻汤
C.左慈耳聋丸
D.益气聪明汤
E.黄芪建中汤
[单项选择]委托代付还款时,客户部门应于代付到期日前()个工作日,通知客户准备还款资金。
A. 2
B. 3
C. 5
D. 7
[单项选择]关于抗癫痫药的应用不正确的是()
A. 增药可适当快,减药要慢,逐一增减
B. 控制发作后必须坚持长期服用,不宜随意减量或停药
C. 换药期间应有5~7天的过渡期
D. 失神发作控制后平稳二周即可停药
E. 全面强直-阵挛性发作完全控制4~5年后可考虑停药,停药前应缓慢减量