热门试题:
[判断题]( )发生人员伤亡、火灾、爆炸、毒气袭击等事故,需要报告119火警、120急救中心或地铁公安分局时,由现场负责人或目击者在第一时间內直接报告;如果无法直接报告,则应以尽快报告的原则,向就近的车站或控制中心、信号楼或上级报告,再报告119火警、120急救中心或地铁公安分局。
A.正确
B.错误
[单选题]上山掘进施工倾角大于( )°时，在司机前方设有护身柱或挡板，并在耙装机前增设固定装置。
A.15
B.20
C.25
D.30
[单项选择]以下哪个国际组织所制定的标准是专门针对IP的（）
A. IEEE
B. ITU-T
C. ISO
D. IETF
E. OSI
[简答题]
Electronic or "cyber" warfare holds the promise of destroying an army’s-or even a whole nation’s--ability to function without hurting human life. The technology is reaching the point, however, where cyber warfare may be decisive in its own right. 46) In highly centralized military operations, communications and data management have become essential tools linking individual small units and the central command structure.
The neutron bomb is one of the most horrid weapons ever devised: It doesn’t damage property; it only kills higher life-forms. 47) Wouldn’t the opposite be wonderful, a device like the robot’s ray in The Day the Earth Stood Stills which melts down weapons but not soldiers Electronic or "cyber" warfare--hacking into an enemy’s computers, jamming radio transmissions, and tile like.
The United States has very good electronic warfare capabilities, but has used them only to support conv
[单选题]患者，男，50岁。反复上腹痛15年，腹痛常在饭后，持续1～2小时。近半年疼痛加剧，食欲减退，体重减轻。检查：贫血貌，左锁骨上触及肿大淋巴结，红细胞沉降率46mm/h，大便隐血试验持续阳性。应首先考虑的是（ ）。
A.慢性胆囊炎发作
B.十二指肠溃疡发作
C.胃溃疡伴幽门梗阻
D.胃溃疡恶变
E.复合性溃疡病
[多选题]信息按内容分类，可分为（ ）类型的信息？
A.A:动态类信息。
B.B:报告反馈类信息。
C.C:典型经验类信息。
D.D:情况分析类信息。
E.E:问题建议类信息。
F.F:调查研究类信息。
[判断题]在吊装机械工作时，可以对吊装机械进行检查和维修
A.正确
B.错误
[填空题]
A．hall
B．call
C．shall
D．fall
[单选题]冷凝器材料为内螺纹（ ）
A.铜管套铝翅片
B.铝管套铝翅片
C.铝管套铜翅片
D.铜管套铁翅片
[判断题]铁路IP网不使用TCP/IP协议。
A.正确
B.错误
[配伍题]代偿性肺气肿（ ）|间质性肺气肿（ ）|老年性肺气肿（ ）|旁间隔肺气肿（ ）
A. 部分肺组织失去功能，
B. 肺小叶间隔纤维组织附近的肺泡过度扩张充气或破裂融合形成
C. 因煤尘粘着于呼吸性细支气管壁，引起纤维组织增生和收缩而产生
D. 由于肺泡壁及呼吸性细支气管破裂而产生
E. 由肺组织生理性退行性改变所致成健康肺组织代偿性膨胀
[多项选择]计提应付职工薪酬时，借方可能涉及的科目有（ ）。
A. 制造费用
B. 销售费用
C. 在建工程
D. 应付职工薪酬
[单选题]医疗器械注册证格式由以下哪个部门统一制定
A.国务院药品监督管理局
B.国务院质检部门
C.医疗器械行业协会
D.国务院标准化行政主管部门
[多选题]基因组文库在理论上
A.是含有某一细胞基因组DNA和cDNA的文库
B.是cDNA文库的另一名称
C.包含了内含子和外显子序列
D.包含了基因组DNA的所有序列
[单项选择]{{B}} Passage One
Questions 26 to 29 are based on the passage you have just heard.{{/B}}
A. News around the world.
B. Issues and policies of England.
C. Criticism on the Church.
D. Mixture of various contents.
[单项选择]
An e-book (referred to as an electronic book, eBook) is a digital version (版本) of a print book that you download and read. But if you want to read an e-book, you must have an have E-book Reader, which is a kind of free software used by your computer. Make sure you have in stalled the appropriated Reader before you download your e-book from the Internet. The soft ware allows you to turn the words on the screen into the size you like. It also helps you turn pages and change your viewing options (计算机屏幕上的阅读选择 ). E-books are a fun alternative to regular books. You can download them to any computers and create your own library of hundreds of titles. If you load them onto your portable computer, you can take them with you when you travel. Some e-books are even interactive! Best of all, when you order an e-book, there is no need of waiting and no shipping charges. The amount of time it takes to download your e-book depends on the speed of your connection and the size of your e-book.
A. a better way to download an e-book.
B. a new kind of book — the e-books
C. the new version of e-book
D. the fun of reading e-books
[单项选择]Most people can remember a phone number for up to thirty seconds. When this short amount of time elapses, however, the numbers are erased from the memory. How did the information get there in the first place’ Information that makes its way to the short term memory (STM) does so via the sensory storage area. The brain has a filter which only allows stimuli that is of immediate interest to pass on to the STM, also known as the working memory.
There is much debate about the capacity and duration of the short term memory. The most accepted theory comes from George A. Miller, a cognitive psychologist who suggested that humans can remember approximately seven chunks of information. A chunk is defined as a meaningful unit of information, such as a word or name rather than just a letter or number. Modem theorists suggest that one can increase the capacity of the short term memory by chunking, or classifying similar information together. By organizing information, one can optimize the
A. By organizing it.
B. By repeating it.
C. By giving it a name.
D. By writing it down on paper.
[单选题]建筑节能技术的成果之一是：加强建筑物(____)的保温隔热措施，减少了能量损失。
A.外墙
B.围护结构
C.屋面
D.地板
[简答题] How to Deal with Loneliness
Loneliness is a feeling of emptiness or hollowness inside you. You feel isolated or separated from the world, cut off from those you would like to have contact with. There are different kinds of loneliness and different degrees of loneliness. You might experience loneliness as a vague feeling that something is not right, a kind of minor emptiness. Or you might feel loneliness as a very intense deprivation (剥夺) and deep pain. One type of loneliness might be related to missing a specific individual because they have died or because they are so far away. Another type might involve feeling alone and out of contact with people because you are actually physically isolated from. For instance, if you work alone on the night shift or are alone in a part of a building where people seldom go. You might even feel emotionally isolated when you are surrounded by people but are having difficulty reaching out to them.
It needs to be emph
[简答题]简述火灾自动报警系统形式选择与保护对象级别有何关系？
[判断题]调车作业中，机车车辆必须停在警冲标内方。
A.正确
B.错误
[单选题]（ ）是指因公司人员违反法律法规、基金合同和公司内部规章制度等而导致公司可能遭受法律制裁、监管处罚、重大财务损失和声誉损失的风险。
A.合规风险
B.操作风险
C.市场风险
D.声誉风险
[单选题]首先考虑为肝癌腹水的是( )
A.漏出液
B.渗出液
C.血性
D.脓性
E.乳糜性
[多选题]属于人体主要系统的是
A.运动系统
B.消化系统
C.生殖系统
D.内分泌系统
E.神经系统
[单选题]下面是消化性溃疡发病最主要的 因素是( )
A. 饮酒
B. 非甾体抗炎药服用
C. 大肠杆菌感染
D. 幽门螺杆菌感染
E. 胃酸分泌过多
[单项选择]I am not very good （） maths. Would you please work out the total cost of our trip
A. in
B. for
C. on
D. at
[单选题]柴油机供油提前角是指( )时,该缸活塞距压缩行程上止点所对应的曲轴转角。
A.喷油器开始喷油
B.喷油泵的柱塞开始供油
C.喷油泵出油阀打开
D. 喷油器开始停止喷油
[单选题]高锰钢整铸辙叉心宽40mm断面处，辙叉心垂直磨耗（不含翼轨加高部分），50kg/m及以下钢轨在除正线、到发线外的其他站线上超过（）时应及时更换。
A.6mm
B.8mm
C.10mm
D.12mm
[多选题]招标人不得向中标人提出（）要求，以此作为发出中标通知书和签订合同的条件。
A.压低报价
B.增加工作量
C.缩短工期
D.其他违背中标人意愿
[单选题]钢的硬度在( )范围时,其切削性能好。
A.108-200
B.HRC50-60
C.HV900-950
[单项选择]下列有关网络连接中的无线接入错误的说法是（）。
A. 无线接入分为移动中的无线接入和固定无线接入两种
B. 移动中的无线接入又分为：蜂窝式接入和移动卫星系统接入
C. 无线接入是入网方式的一种发展趋势
D. 高速环境下的无线接入技术现已十分成熟
[单项选择]Questions 30 to 32 are based on the passage you have just heard.
A. How to cover the cost of their legal fees.
B. How to prevent Nikki’s sisters from using websites.
C. How to prevent the remaining photos on the Web from spreading.
D. How to prevent this from happening to anybody else.
[单项选择]设有定义 int n1=0,n2,*p=&n2,*q=&n1;，以下赋值语句中与 n2=n1;语句等价的是______。
A. *p=*q;
B. p=q;
C. *p=&n1;
D. p=*q;
[判断题]熔断器是为了保护线路和电机不超负荷运行的。
[填空题]提倡以儿童为中心，将“做中学”作为主要教学方法的教育家是______。
