[单选题]不能人工培养的螺旋体是
[单选题]攻击者使用无效的IP地址,利用TCP连接的三次握手过程,使得受害主机处于开放会话的请求之中.直至连接超时.在此期间,受害主机将会连续接受这种会话请求,最终因耗尽资源而停止响应.这种攻击被称为( ).A.DDoS攻击B.Land攻击C.Smurf攻击D.SYN Flooding攻击
[单选题]锦衣玉食:奢华A.汗牛充栋:辛苦B.噤若寒蝉:寒冷C.吹毛求疵:洁癖D.城下之盟:屈辱
[单选题]不引起缺氧性肺血管收缩的体液因素是A.白三烯增加B.前列腺素E2增加C.血栓素增加D.内皮素释放增加E.一氧化氮生成增加
[单选题]Trust is typically interpreted as a subjective belief in the reliability,honesty and security of an entity on which we depend( )our welfare.In online environments we depend on a wide spectrun of things,ranging from computer hardware,software and data to people and organizations.A security solution always assumes certain entities function according to specific policies.To trust is precisely to make this sort of assumptions , hence,a trusted entity is the same as an entity that is assumed to function according to policy.A consequence of this is that a trust component of a system must work correctly in order for the security of that system to hold, meaning that when a trusted( )fails,then the sytems and applications that depend on it can( )be considered secure .An often cited articulation of this principle is:"a trusted system or component is one that can break your security policy”(which happens when the trust system fails).The same applies to a trusted party such as a service provider (SP for short )that is , it must operate according to the agreed or assumed policy in order to ensure the expected level of securty and quality of services. A paradoxical conclusion to be drawn from this analysis is that security assurance may decrease when increasing the number of trusted components and parties that a service infrastructure depends on. This is because the security of an infrastructure consisting of manyTrusted components typically follows the principle of the weakest link,that is,in many situations the the overall security can only be as strong as the least reliable or least secure ofall the trusted components.We cannot avoid using trusted security components,but the fewer the better.This is important to understand when designing the identity management architectures,that is,fewer the trusted parties in an identity management model,stronger the security that can be achieved by it.The transfer of the social constructs of identity and trust into digital and computational concepts helps in designing and implementing large scale online markets and communities,and also plays an important role in the converging mobile and Internet environments.Identity management (denoted Idm hereafter) is about recognizing and verifying the correctness of identitied in online environment.Trust management becomes a component of( )whenever different parties rely on each other for identity provision and authentication.IdM and Trust management therefore depend on each other in complex ways because the correctness of the identity itself must be trusted for the quality and reliability of the corresponding entity to be trusted.IdM is also an essential concept when defining authorisation policies in personalised services.Establishing trust always has a cost , so that having complex trust requirement typically leads to high overhead in establishing the required trust.To reduce costs there will be incentives for stakeholders to “cut corners”regarding trust requirements,which could lead to inadequate security.The challenge is to design IdM systems with relatively simple trust requirements.Cryptographic mechanisms are often a core component of IdM solutions,for example,for entity and data authentication.With cryptography,it is often possible to propagate trust from where it initially exists to where it is needed .The establishment of initial( )usually takes place in the physical world,and the subsequent propagation of trust happens online,often in an automated manner.A.withB.onC.ofD.for72A.entityB.personC.componentD.thing73A.No longerB.neverC.alwaysD.often74A.SPB.IdMC.InternetD.entity75A.rustB.costC.IdMD.solution
[单选题].社会主义经济建设自改革开放以来所取得的令人瞩目的成就应该说与理论界和经济学家的突出贡献是分不开的,但这不应该成为要求理论界和经济学家独立承担起改革重任的理由.历史和现实已经在召唤社会学家、政治学家、文化学家以及经济学家共同参与到中国的改革理论与改革实践中去.这段话的中心思想是( ).A.理论界和经济学家为社会主义经济建设作出了巨大的贡献B.社会主义经济建设取得了令人瞩目的成就C.历史和现实要求各方面的专家、学者共同参与到中国的改革理论和改革实践中D.中国的改革理论与改革实践是艰巨的
[单选题]“地面的水_____后,在高空遇到冷空气,会_____成小水滴或_____为小冰晶.大量的小水滴或小冰晶集中悬浮在高层空气中,这就形成了_________.”对于引号中这段文字空缺的内容,下列填充正确的是:( ).A.汽化 液化 凝固 云 B.蒸发 液化 凝华 雨 C.蒸发 液化 凝华 云 D.蒸发 凝华 液化 雨
[单选题]男性,30岁.2年来有发作性神志丧失,四肢抽搐,服药不规则.今日凌晨开始又有发作,意识一直不清醒.来院后又有一次四肢抽搐发作.该患者最可能的诊断是A、癫痫持续状态B、癫痫强直-阵挛发作C、单纯部分发作继全面性发作D、复杂部分发作继全面性发作E、癫痫发作后昏睡期F、难治性癫痫持续状态患者的急救首要处置是A、从速给药、控制发作B、按压人中C、行CT检查,发现病因D、保持呼吸道通畅,防止窒息E、详细询问病史F、脑电图目前首选药物为A、水合氯醛灌肠B、苯妥英钠静脉注射C、咪达唑仑静脉注射D、氯丙嗪内注射E、苯巴比妥钠肌内注射F、地西泮静脉注射发作控制、清醒后应作何种处理A、调换其他抗癫痫药物B、询问近期服药情况,嘱正规服药C、加大服药剂量,嘱正规服药D、加用另一种抗癫痫药物E、停药观察1周后再考虑用药F、苯巴比妥肌内注射加口服抗癫痫药癫痫患者服药,最不应A、服药量太小B、两药同时服C、只在夜间服D、服药次数太多E、突然停药F、饭前服用若发作停止,意识仍未恢复,首要的检查为A、常规血清血药浓度检测B、头颅磁共振C、腰穿D、血糖测定E、脑电图F、血常规
[单选题]文中②、③、④三处横线上按顺序应填入( ).A.破坏了沙区植被 过度开发旱地资源 导致沙漠化发生B.过度开发旱地资源 破坏了沙区植被 导致沙漠化发生C.导致沙漠化发生 过度开发旱地资源 破坏了沙区植被D.破坏了沙区植被 导致沙漠化发生 过度开发旱地资源
[单选题]第二三者责任险:负责赔偿保险车辆因意外事故,致使第三者遭受人生伤亡或财产的直接损失,所谓第三者是指被保险人及其财产和保险车上所有人员与财产以外的他人、他物,所谓“所有人员”指车上的驾驶员和所有乘坐人员,但这些人下车后除驾驶员外,均可视为三者.根据以上定义,下列属于第二三者责任险赔偿范围的是( )A.甲驾驶自己的私人车辆出行,途中车辆发生故障,甲下车修复,车辆突然向后滑行,甲被车辆轧断脚掌,本次事故中甲的医疗费用共计5000元.B.甲驾驶卡车向某市送运贷物,由于雪天路滑,在避让行人时,发生了翻车事故,经核查本次事故中车辆损毁及货物损毁费?共计1.9万元.C.甲为某长途汽车司机,在车辆行驶过程中,车厢内突然起火,乘客乙被烧伤,财物被烧光,乙要求甲赔偿医疗费用及财物损毁费用共计1万元.D.甲驾驶大巴车送一批游客去参观名胜古迹,到达旅游地点,甲倒车时将在车后绕行的乘客乙撞伤,后乙向甲索赔2万元.
[单选题]根据下列文字回答 106~110 题.据统计,今年5月份全国基本型乘用车产销21.19万辆和22.13万辆,比去年同期分别增长1.86%和26.0%,运动型多用途乘用车产销1.43万辆和1.52万辆,降幅不大;交叉型乘用车本月产销6.60万辆和6.85万辆,分别比上月下降14.2%和2.8%;多功能乘用车产销降幅最大,本月产销1.23万辆和1.24万辆.1至5月,基本型乘用车累计产销99.10万辆和96.93万辆,产量同比下降、2.73%,销量同比增长1.07%;多功能乘用车累计产销6.11万辆和5.71万辆,同比增长31.20%和31.54%;运动型多用途乘用车累计产销6.46万辆和6.54万辆,同比下降16.00%和10.25%;交叉型乘用车累计产销36.77万辆和37.41万辆,同比增长6.02%和10.29%.第 106 题 去年5月份全国基本型乘用车的产量是( ).A.21.19万辆B.20.80万辆C.17.56万辆D.101.80万辆
[单选题]已知学生表如下:学号姓名年龄性别班级20120001张三18男计算机一班20120002李四19男计算机一班20120003王五20男计算机一班20120004刘七19女计算机二班执行下列命令后,得到的记录数是( ).SELECT班级,MAX(年龄)FROM学生表GROUP BY班级A.4B.3C.2D.1
[多选题]下列同时属于输入输出设备的是( ). A.键盘 B.软盘 C.硬盘 D.显示器
[单选题]2009年,某房地产开发公司销售其新建商品房一幢,取得销售收入1.5亿元,已知该公司支付与商品房相关的土地使用权费及开发成本合计为5000万元,该公司没有按房地产项目计算分摊银行借款利息,该商品房所在地的省政府规定计征土地增值税时房地产开发费用扣除比例为10%,销售商品房缴纳有关税金825万元.该公司销售商品房应缴纳的土地增值税为( ).
[单选题]男,重体力劳动工人,腰腿痛,并向左下肢放散,咳嗽,喷嚏时加重.检查腰部活动明显受限,并向左倾斜,直腿抬高试验阳性.病程中无低热、盗汗、消瘦症状.首先考虑下列哪项诊断()A、强直性脊柱炎B、腰肌劳损C、腰椎间盘突出症D、腰椎管狭窄症E、腰椎结核如有小腿及足外侧麻木,足趾跖屈力及跟腱反射弱,病变的节段应考虑是( ).A、腰4~腰5B、腰1~腰2C、腰3~腰4D、腰2~腰3E、腰5~骶1如果病史2年,并逐年加重,已严重影响生活及工作,且出现尿便障碍.其治疗方法是( ).A、用药B、理疗C、牵引D、按摩E、手术
[单选题]男,52岁,双下肢僵硬乏力2年,双上肢乏力伴肌萎缩半年.体检:双手大小鱼际肌萎缩,可见肌纤维震颤,四肢痉挛性肌张力增高,四肢肌力4级,髌阵挛阳性,踝阵挛阳性,双侧Babinski征(+).病变累及的解剖结构是A、上运动神经元B、下运动神经元C、皮质脊髓束D、脊髓前角E、上、下运动神经元最可能的诊断是A、亚急性联合变性B、肌萎缩侧束硬化C、脊髓痨D、脊髓空洞症E、进行性脊肌萎缩症帮助诊断的首选检查是A、腰穿脑脊液检查B、肌电图检查C、脊髓CTD、脊髓MRIE、叶酸及维生素B12测定
[单选题]女性,27岁,因低热,腹痛2个月就诊.查:移动性浊音阳性,查:右下腹及脐下触及不易推动肿块,确诊为结核性腹膜炎最常见的并发症为A、肠梗阻B、慢性穿孔C、急性穿孔D、消化道出血E、腹腔脓肿可以并用肾上腺糖皮质激素的情况是A、在抗结核药物治疗前B、严重结核毒性症状C、停用抗结核药物治疗后D、并肠梗阻者E、诊断未确定者,可试用看疗效
[单选题]患者男性,14岁,因“反复呕血、黑便,皮肤淤斑1周”来诊.查体:肝、脾不大.实验室检查:血红蛋白56 g/L,白细胞5×109/L,血小板12×109/L.骨髓增生活跃,巨核细胞数增多,巨幼细胞比例增多.最可能的诊断是A、再生障碍性贫血B、急性白血病C、血友病AD、过敏性紫癜E、特发性血小板减少性紫癜伴失血性贫血可采用的治疗措施是A、口服阿司匹林片B、注射肾上腺皮质激素C、静脉滴注凝血因子ⅧD、口服利可君片E、静脉滴注新鲜血浆
[单选题]河北:冀 ( ).A.山东:齐鲁B.哈尔滨:冰城C.成都:天府之国D.山西:晋
[单选题]项目经理刚刚完成一个小项目的启动阶段,开始步入计划编制阶段,这时,公司主管经营的副总经理向项目经理索要项目预算和成本基准计划.该项目经理较恰当的回答是__(60)__.(60)A.可以在项目章程中找到项目预算,项目章程刚刚做完B.在计划编制阶段完成之前,项目预算和基准计划是不能最终确定的C.项目计划将不包括项目预算和基准计划,这是个小项目D.在制定项目计划之前不可能完成估算
[单选题]网络成瘾的心理机制比较复杂,有需要、动机等动力因素和抑郁、孤独、自制力等差人格特殊因素,专家认为,体育锻炼的人有较强的自制力,(题目内容缺失)A.评论体育锻炼对人格培养的重要意义B.指出体育锻炼作为网络替代品可能性C.阐述体育锻炼对治疗网络成瘾的价值D.说明体育锻炼具有促进心理健康的基本功能