热门试题:
[判断题]1942 年延安整风最主要的任务是反对机会主义。
A.正确
B.错误
[多选题]CR400AF动车组前端车钩缓冲装置连挂间隙检查作业中，将连挂杆单柱侧插入钩舌的钩口内，另一侧通过（）与状态指示状态上的孔相连。
A.凸锥
B.凹锥
C.连挂杆销轴
D.把手
[多选题] 调度生产管理中,要认真考虑保护、故障录波器、子站、主站接入系统时的安全问题,以下说法正确的是(____)。
A. 不同安全区的设备在接入到子站时,要采用适当的隔离方式,绝不可以通过网络连接在一起
B. 所有以Windows为操作系统的设备自接入子站和数据网时要进行隔离,不可以直接接入
C. 采用嵌入式子站装置是比较好的抵抗计算机病毒攻击的方法
D. 主站系统供工作站必须单独成系统,不得接入到公司办公网和国际互联网
[判断题]督促.检查本单位的安全生产工作,及时消除生产安全事故隐患是生产经营单位安全管理人员的职责,而非主要负责人的职责。
A.正确
B.错误
[单选题]底架是车体的基础部件，主要用于承受( )与垂载荷。
A.侧向载荷
B.动向载荷
C.静向载荷
D.纵向载荷
[单选题]以下( )情形不是重大风险。( )
A. 经风险评价确定为低级别风险的
B.违反法律、法规及国家标准中强制性条款的
C.发生过死亡、重伤、职业病、重大财产损失事故,或三次及以上轻伤、一般财产损失事故,且现在发生事故的条件依然存在的
D.涉及重大危险源的
[单选题]特高压直流输电线路，在选择绝缘子串中的元件片数时，(____)是决定性因素。
A.工作电压
B.内部过电压
C.雷电过电压
D.谐振过电压
[多选题]终端杆具有（ ）特点。
A.终端杆设立在线路的首端和末端
B.终端杆不能承受一侧导、地线荷重和拉力
C.能够承受线路侧面的风荷重
D.能够承受单侧导、地线的荷重和拉力
E.终端杆不需装设拉线
[单项选择]通过( )的观察分析，可以了解产品质量的波动情况，掌握质量特性的分布规律，以便对质量状况进行分析判断。同时可通过质量数据特征值的计算，估计施工生产过程总体的不合格品率，评价过程能力等。
A. 直方图
B. 条形图
C. 因果分析图
D. 排列图
[单项选择]《让子弹飞》里姜文饰演的松坡将军在历史上曾参与过哪场战争？（）
A. 抗日战争
B. 护国战争
C. 解放战争
D. 抗美援朝
[判断题]小分体空调室内机电机内的霍尔元件损坏，内电机出现故障运转现象为转10秒，停30秒。
A.正确
B.错误
[单项选择]Most people hate rock music. (31) I am not an unreasonable or biased person (32) nature, two vivid and striking (33) experiences of rock music during the past two weeks have persuaded me that it has become a(n) (34) for those of us with enough common sense to see its (35) dangers to point them out. My first experience—perhaps a minor one, (36) highly symptomatic—was the realization that if I spoke to my teenage son when he was listening to rock music (37) headphones, he replied in an unnaturally loud voice, (38) there was something wrong with his hearing. The second occurred when I went with him to a "concert" and witnessed for myself (39) these affairs are like. Till I went to the concert, I had always (40) the "live and let live" attitude that rock music was simply not my (41) but that other people had (42) fight to enjoy it if it was theirs.
But what I saw and heard (
A. care
B. attention
C. charge
D. possession
[单选题]HXN3机车柴油机喷油量的控制是通过()操控提升阀来完成。
A.A.燃油泵
B.B.主手柄
C.C.电磁螺线管
[判断题]2.85 陈某驾驶小型普通客车行驶至某县道转弯路段时,在结冰湿滑路面上以63km/h的速度超越前方袁某驾驶的小型面包车(行驶速度28km/h)时两车刮擦后坠翻,造成6人死亡、1人受伤。本起事故驾驶人的违法行为是陈某超速行驶和违法超车。
A.正确
B.错误
[单选题]Marsha confessed that she knew nothing of computer.
A.admitted
B.reported
C.hoped
D.answered
[单选题]（ ）也称合约规模，是指在期货交易所的每一份期货合约上所规定的交易数量。
A.报价单位
B.交易单位
C.最小变动价位
D.合约价值
[单选题]电脑验光检查如调节未被控制则结果（）
A.没有影响
B.有时过负有时过正
C.过正
D.过负
[多选题]试述HXD3电力机车设置瞬时过电压限制电路的功用？
A.在机车出现空转、滑行或者受电弓离线造成的网压中断等情况时，牵引变流器的中间回路上可能出现瞬时过电压
B.为了防止这种过电压对变流器造成损坏，在中间直流回路设有瞬时过电压限制电路，由IGBT和限流电阻组成
C.通过牵引变流器中间直流回路电压传感器的监测
D.这是一种多次重复方式的保护，当过电压存在时，该IGBT将导通，直流回路能量经限流电阻放电和释放，消除过电压
[单选题]带电导体着火属于哪一类
A.A类
B.B类
C.E类
D.F类
[简答题]根据《信息安规》，业务数据的导入导出应经过信息运维部门批准，导出后的数据应及时销毁。
[多项选择]下列词语的音节结构类型属于闭音节的有（）
A. 天[t`ian]
B. 鸡[ti]
C. ball[bɔ：l]
D. shape[ʃeip]
E. fee[fi：]
[判断题]悬挂标示牌和装设遮栏（围栏）属于保证安全的技术措施。（）
A.正确
B.错误
[单项选择]I was taken by a friend one afternoon to a theatre. When the curtain was raised, the stage was perfectly empty save for tall grey curtains which enclosed it on all sides, and presently through the thick folds of those curtains children came dancing in, singly, or in pairs, till a whole troop of ten or twelve were assembled. They were all girls; none, I think, more than fourteen years old, one or two certainly not more than eight. They wore but little clothing, their legs, feet and arms being quite bare. Their hair, too, was unbound; and their fates, grave and smiling, were so utterly dear and joyful, that in looking on them one felt transported to some Garden of Hesperides, a where self was not, and the spirit floated in pure ether. Some of these children were fair and rounded, others dark and elf-like; but one and all looked entirely happy, and quite unself-conscious, giving no impression of artifice, though they had evidently had the highest and most careful training. Each flight and
[填空题] Business is the organized effort of individuals to produce and sell, for a profit, the goods and services that (0) society’’s needs. Four kinds of resources—material, human, financial, and informational—must be (21) to start and operate a business. The three general types of businesses are manufacturers, service businesses, and marketing middlemen.
Profit is what remains after all business expenses are (22) from sales revenue. It is thus the payment that business owners receive for (23) the risks of business primarily the risks of not receiving payment and of losing whatever has been (24) in the firm. Most often, a business that is operated to satisfy its customers earns a reasonable profit.
By studying business, you can become a more (25) consumer and investor and be a better employee. And with a working knowledge of business, you may decide to open your own business.
Since its beginnings in the seventeenth century, American business has been based on private owne
A. A．maintained
B．enlarge
C．expand
D．extend
[单选题]休克指数的计算方法是
A.收缩压和舒张压之比
B.心率与收缩压之比
C.脉率与舒张压之比
D.脉率与脉压之比
E.脉率与收缩压之比
[填空题]控制器的电源分别为400 VAC/3相/50Hz 和 ()VDC
[单项选择]关于正常产道，下列哪项正确（）
A. 中骨盆平面的横径是骨盆各平面最短的横径
B. 入口平面前后径比横径长
C. 出口平面横径比前后径长
D. 骨盆轴的上段向下向后，中段向下，下段向下向前
E. 骨盆正常倾斜度为700
[单选题]高速铁路正线设计行车速度350km/h区段,最小坡段长度困难条件下应不小于( )。
A.600m
B.800m
C.900m
D.1000m
[单项选择]How long was Dilys lateWhy does Jack want to leave right away
A. The time is so late.
B. Jack wants to take the children to see a film.
C. Jack has a lot of work to do.
[单项选择]Concern with money, and then more money, in order to buy the conveniences and luxuries of modern life, has brought great changes to the lives of most Frenchmen. More people are working than ever before in France. In the cities the traditional leisurely midday meal is disappearing. Offices, shops and factories are discovering the greater efficiency of a short lunch hour in company lunchrooms. In almost all lines of work emphasis now falls on ever-increasing output. Thus the" typical" Frenchman produces more, earns more, and buys more consumer goods than his counterpart of only a generation ago. He gains in creature comforts and ease of life. What he loses to some extent is his sense of personal uniqueness, or individuality.
Some say that France has been Americanized. This is because the United States is a world symbol of the technological society and its consumer products. The so-called Americanization of France has its critics. They fear that" assembly line life" will lead to th
A. Change in the French way of life.
B. Criticism of the new life style.
C. The Americanization of France.
D. Features of the new way of lif
[单选题]应急预案编制部门应（）进行一次应急预案评估，对预案内容的针对性和实用性进行分析，并对应急预案是否需要修订作出结论。
A.每年
B.每三年
C.每五年
D.定期
[判断题]生产经营单位的从业人员是指该单位从事生产经营活动各项工作的所有人员，包括管理人员、技术人员和各岗位工人，但不包括临时聘用的人员。
A.正确
B.错误
[多项选择]下列关于乳剂型基质的叙述中正确的是：
A. 乳剂型基质对油和水均有一定亲和力，可与创面渗出物或分泌物混合，对皮肤的正常功能影响小
B. 通常，乳剂型基质适用于亚急性、慢性、无渗出性的皮损和皮肤瘙痒症，忌用于糜烂、溃疡、水疱及脓疱症
C. W/O型基质中药物和释放和穿过皮肤较O/W型基质快
D. O/W型基质常需加入防腐剂和保湿剂，以防止其霉坏或失水变硬
E. 遇水不稳定的药物如四环素不宜用乳剂型基质制备软膏
[单选题]夏明翰的《就义诗》中写道“砍头不要紧，只要主义真”，表达了____的精神。
A.积极乐观
B.筚路蓝缕
C.视死如归
D.脚踏实地
[单选题]生产中应用最广泛的铸铁是( )
A.灰铸铁
B.白口铸铁
C.麻口铸铁
D.渗碳体
