热门试题:
[单项选择]患者妊娠足月，于分娩后出现呼吸困难，下列情况可能性最大的是
A. 脂肪栓塞
B. 癌栓
C. 空气栓塞
D. 血栓栓塞
E. 羊水栓塞
[单选题]某车间的一条生产线，正常运转的概率为90%，不正常运转的概率为10%。正常运转时，生产95%的合格品和5%的不合格品；不正常运转时，生产10%的合格品和90%的不合格品。从产品中任取一件检查，则：
若发现此产品是合格品，则这条生产线正常运转的概率是（ ）。
A.0. 3333
B.0.8550
C.0.8650
D.0.9884
[多选题]内部过电压与（ ）等多种因素有关
A.各项参数
B.是否有雷电
C.风速
D.停送电操作
[判断题]预先约定撤离信号,空气呼吸器在正常时限内,立即通知内攻人员撤出。一旦发生紧急情况,要立即发出撤离信号。( )
A.正确
B.错误
[单选题]涂布过程中烘箱压力应保持在（）
A.5～15kpa
B.-5～-15kpa
C.-5～5kpa
[判断题] 当井内无管柱,试验关闭闸板时,最大液控压力不得超过3~21MPa。
A.正确
B.错误
[单选题]场面多点定位系统收到S模式信号时，处理方式为（）
A.不处理
B.独立不处理，不显示
C.进进行处理,与其他信号融合
D.以上都不对
[单项选择]就定期死亡保险而言，被保险人的死亡率和保险费率之间的关系是______。
A. 死亡率越高，保险费率越低
B. 死亡率越高，保险费率越高
C. 生存率越低，保险费率越低
D. 死亡率变动，保险费率不变
[判断题]受令人员在接受命令时如有遗漏或不清楚之处，应及时与发令调度员核对并更正。命令内容要力求简明扼要，术语标准，可以随意简化（ ）
A.正确
B.错误
[单项选择]
Electronic communication, due to its speed and broadcasting ability, is fundamentally different from paper-based communication such as letters and memos. (51) the other person’s response time capability is (52) fast, email is more "conversational" than traditional methods of communication.
In a paper document, it is absolutely (53) to make everything completely clear and unambiguous because your audience may not have a chance to ask for (54) . With email documents, however, your (55) can ask question immediately. Email, therefore like conversational speech, tends to be much informal and more ambiguous.
This is not always bad. It might not be a (56) expenditure of energy to slave (57) a message, making sure that your spelling is (58) , your words eloquent, and that your grammar and punctuation are (59) reproach, if the point of the message is simply to inform the recipient that your are
A. inaccurate
B. faultless
C. sharp
D. sophisticated
[多选题]关于MAU工作在什么模式,以下说法正确的是:( )(提高)
A.如果PMI工作在后备模式,那么MAU可工作在CBTC状态
B.如果PMI工作在Stanby模式,那么MAU工作在后备模式
C.如果PMI工作在CBTC模式,那么MAU工作在CBTC模式
D.MAU工作在什么模式由PMI工作在什么模式决定
[判断题]熔化焊设备各个焊机间及与墙面间至少应留出1m宽的通道。
A.正确
B.错误
[填空题]HXD1电力机车打开登顶窗前,安全电气连锁装置接通车顶高压接地装置将25kV电路接地,使得分布电容积聚的( )放电,确保人身安全。
[单项选择]日本企业家大岛川一在重庆开了一家铁厂，你认为这件事最早会出现在（）
A. 鸦片战争后
B. 第二次鸦片战争后
C. 甲午中日战争后
D. 八国联军侵华战争后
[单选题]《应急预案编制导则》中规定,( )是指针对可能发生的事故,为迅速、有序地开展应急行动而预先进行的组织准备和应急保障。
A.应急准备
B.应急响应
C.应急救援
D.应急演练
[单项选择]雷沃谷神联合收割机液压传动是由（）、执行元件、控制调节元件、辅助元件、工作介质五个部分组成。
A. 动力元件
B. 液压元件
C. 液压马达
D. 液压油
[简答题]我们常用俗语“不想当什么的士兵不是好士兵”来表达自己的远大志向？
[单项选择]对帽状腱膜正确的说法是（ ）
A. 与颞肌相连
B. 薄而致密
C. 两侧至颞区变厚
D. 前连枕额肌的额腹、后连枕腹
E. 以上都不对
[多选题]《供电营业规则》：常见的窃电行为()。
A.在供电企业的供电设施上，擅自接线用电
B.绕越供电企业用电计量装置用电
C.伪造或者开启供电企业加封的用电计量装置封印用电
D.故意损坏供电企业用电计量装置
E.故意使供电企业用电计量装置不准或者失效
F.采用其他方法窃电。
[填空题]
The New York Public Library is a (11)（）. Even though it is in (14)（）part of the city, it has grass and trees around, and benches for people to sit on. Even more unusual in crowded New York, its rooms are very large. The roof of the Main Reading Room is (12)（）. Here, a reader can sit and think and work in comfort. And what books there are to work with! The library has (13) （） thirty million books and paintings. It owns one of the first copies of a Shakespeare play, a Bible printed by Gutenberg in the 15th century, and a letter written by Columbus in which he told of finding (15) （）.
In Columbus’s letter, what did he tell others He found（）
[判断题]沙林事件多数发生在公众聚集场所，由于人员流动性大，中毒人员往往没有发觉就离开了现场，容易造成人员交叉感染。( )
A.正确
B.错误
[判断题]事故发生后,危险区域人员首先要做好自救互救,在医护人员到达时,要听从医护人员的指挥,采取切实可行的救助办法,以达到减少人员伤亡的目的。
A.正确
B.错误
[填空题]扶梯、人字梯不得设置在外开启门的( )。
[多选题]在肾小管上皮的转运过程中伴有Na＋重吸收的有（ ）。
A.葡萄糖的重吸收
B.氨基酸的重吸收
C.H＋的分泌
D.NH3的分泌
[单选题]使用非法印制、伪造、涂改、倒卖、出租、出借《特种设备作业人员证》的，处()以下罚款；构成犯罪的，依法追究
刑事责任。
A.500元
B.1000元
C.3000元
[判断题]采用当面许可的方法许可开始工作的命令时，工作许可人和工作负责人应分别记录许可时间和双方姓名，复诵核对无误。
A.正确
B.错误
[单项选择]心跳呼吸停止后，最容易出现的继发性病理改变是（）
A. 心肌损伤
B. 肾小管坏死
C. 脑缺血缺氧性改变
D. 肺水肿
E. 肝坏死
[单项选择]使用家畜车或容积72立方米以下的40吨棚车，均按（）吨计费。
A. 20
B. 25
C. 30
D. 35
[单选题]Warren Buffett,who will host Berkshire Hathaway's annual shareholders'meeting on May 3rd,is an icon of American capitalism.At 83,he also epitomizes a striking demographic（1）:for highly skilled people to go on working well into（2）was once thought to be old age.Across the rich world,well-educated people（3）work longer than the less-skilled.Some 65%o of American menaged 62-74 with a professional degree are in the（4）compared with 32%of men with only a high-school certificate.In the European Union the pattern is similar This（5）is part of a deepening divide between the well-educated（6）and the unskilled poor that is slicing（7）all age groups.Rapid innovation has raised the incomes of the highly skilled while（8）those of the unskilled.Those at the top are working longer hours each year than those at the bottom（9）the l1-qualified are extending their working lives,compared with those of less-educated people.The（10）for individuals and society,are profound The world is on the（11）rise in the number of old people,and they will live longer than ever efore.（12）the next 20 years the global population of those aged 65 or more will almost double from 600m to 1.1 billion The（13）of the 20th century,when greater longevity translated into more years in retirement（14）more years at work,has persuaded many observers that this shift will（15）slower economic growth and"secular stagnation",while the（16）ranks of pensioners will bust government budgets But the notion of a sharp division between the working young and the（17）old misses a new trend,the（18）gap between the skilled and the unskilled.Employment rates are falling among younger unskilled people,（19）older skilled folk are working longer.The divide is most extreme in America,where well-educated baby-boomers are（20）retirement while many less-skilled youn but overseas job markets and foreign government policies favor technology experts From a long-term perspective,it is a positive thing that more than 80 percent of those who pursue education overseas return to China after completing their studies and contribute to the country's economy But the notion of a sharp division between the working young and the（17）old misses a new trend,the（18）gap between the skilled and the unskilled.Employment rates are falling among younger unskilled people,（19）older skilled folk are working longer.The divide is most extreme in America,where well-educated baby-boomers are（20）retirement while many less-skilled younger people have dropped out of the workforce.（5）选？
A.gap
B.similarity
C.concept
D.phenomenon
[多项选择]我国小儿传染病的计划免疫有
A. 结核菌灭活菌液
B. 麻疹减毒活疫苗
C. 百日咳菌液、白喉类毒素、破伤风类毒素
D. 脊髓灰质炎灭毒死疫苗
E. 以上都是
[单选题]用库仑滴定测定有机弱酸时，能在阴极产生滴定剂的物质为( )。
A.Cl2
B.H+
C.0H-
D.H20
[判断题]工程建设标准对经济社会的作用：促进科研成果和新技术的推广应用、促进企业科学发展、有利于标准的不断改进。（）
[多项选择]我国新会计准则规定的会计信息质量要求包括( )。
A. 可靠性
B. 相关性
C. 重要性
D. 完整性
[判断题]变压器基本构造：由铁芯和绕组构成。
A.正确
B.错误
