热门试题:
[判断题]资本主义时期，社会生产力的发展，使商品生产和商品交抽象成为资本主义社会存在和发展的必要条件。在这种条件下，资本主义国家开始给予在本国的外国人以国民待遇，使本国的外国人与本国公民的民事法律地位平等。
[单选题]每次灭菌应连续监测并记录灭菌时的温度、压力和时间等灭菌参数。温度波动范围在（ ）摄氏度以内，时间满足最低灭菌时间的要求。
A.+5℃
B.+4℃
C.+3℃
D.+2℃
[单选题]在制定救援方案.修订行动计划和所有处置行动中,都要首先考虑()问题。
A.救援装备
B.个人防护
C.安全
D.天气
[简答题]Tets of reaction times also seemed to back up the notion that the two hemispheres differed in their processing styles. A trick researchers use to ensure that an image goes to one hemisphere first, and then to the opposite side of the brain. (46) If the nature of the stimulus and the preference of the hemisphere match up, then the person can respond slightly more quickly and accurately in identifying the local or global letter.
Still more startling, researchers found that the same appears to hold for the brains of chimps (黑猩猩) and perhaps other primates (灵长类). (47) The assumption has always been that handedness and brain asymmetry are strictly human traits—part of the great brain reorganization that allowed our ancestor to use tools, speak and perhaps even think rationally. But handedness is now widely claimed for primates and even birds, amphibians (两栖动物) and whales, and in the past few years, some psychologists have Tested chimps and baboons (狒狒) a
[判断题]线路的零序保护是距离保护的后备保护。
A.正确
B.错误
[简答题]领导干部做 、 、 、 的模范，是实现全面依法治国目标和任务的关键所在。
[多项选择]毒物进入体内在肝脏的代谢转化过程有（ ）
A. 氧化
B. 还原
C. 水解
D. 结合
E. 分离
[单项选择]
一个完整的团队是由众多的角色组成的，优秀的团队由下列哪种角色构成的？（）
①信息者，
②评论者
③监督者，
④凝聚者，
⑤完美者。
A. ①②③④⑤
B. ①②③④
C. ①②④⑤
D. ①③④⑤
[单项选择]起到为铺设卷材防水创造一个良好的基础作用的是（）。
A. 保温层
B. 找平层
C. 找坡层
D. 防水层
[单项选择] It is hard to predict how science is going to turn out, and if it is really good science it is impossible to predict. If the things to be found are actually new, they are by definition unknown in advance. You cannot make choices in this matter. You either have science or you don’’t, and if you have it you are obliged to accept the surprising and disturbing pieces of information, along with the neat and promptly useful bits.
The only solid piece of scientific truth about which I feel totally confident is that we are profoundly ignorant about nature. Indeed, I regard this as the major discovery of the past hundred years of biology. It is, in its way, an illuminating piece of news. It would have amazed the brightest minds of the 18th century Enlightenment (启蒙运动) to be told by any of us how little we know and how confusing seems the way ahead . It is this sudden confrontation (对抗) with the depth and scope of ignorance that represents the most significant contribution of 20th centu
A. would surprise the brightest minds of the 18th century enlightenment
B. will produce results which cannot be foreseen
C. will help people to make the right choice in advance
D. will bring about disturbing results
[多选题]开展双争活动，要( )。
A.着眼建设
B.注重经常
C.科学组织
D.务求实效
[单选题]单线区段线桥工区应配备的红色信号旗数量为( )。
A.2面
B.4面
C.6面
D.9面
[单项选择]实现不同的作业处理方式(如批处理、分时处理、实时处理等)，主要是基于操作系统对( )管理采用了不同的策略。
A. 处理机
B. 存储
C. 设备
D. 文件
[单选题]某工厂有闲置用房,现准备对外出租给一钢结构施工企业,根据《安全生产法》规定,下列表述正确的是( )。
A.工厂应核查该企业是否有资质证书
B.工厂不得要求查看企业的资质证书
C.是否核查资质证书由工厂决定
D.不需核查该企业是否有资质证书
[判断题]Tc车：全自动车钩所处的车端为1位端；
A.正确
B.错误
[判断题]职工理解、认同并践行本单位安全生产理念。( )
A.正确
B.错误
[单选题]在五千多年的历史发展中，中华民族形成了以（ ）为核心的伟大民族精神。
A.集体主义
B.爱国主义
C.唯物主义
D.个人主义
[单选题]以下操作，不符合指引规定的是：
A.驻华机构以其外汇资本金购买外币旅行支票
B.境内机构以人民币现钞购买外币旅行支票
C.驻华机构以人民币账户内资金购汇后购买外币旅行支票
D.境内机构以其经常项目外汇账户购买外币旅行支票
[不定项选择题]共用题干
Life Expectancy in the Last Hundred Years
A hundred years ago,life expectancy in developed countries was about 47:in the early 21st century,men in the United States and the United Kingdom can expect to live to about 74. Women to about 80, and these___1___ are rising all the time. What has brought___2___ these changes?When we look at the life___3___of people 100 years ago,we need to look at the greatest___4___of the time. In the early 20th century,these were the acute and often ___5___ infectious diseases such as smallpox. Many children died very young from these diseases and others,and the weak and elderly were always at risk. In the ___6 ___world these diseases are far___ 7 ___today,and in some cases have almost disappeared. A number of ___8 ___have led to this:improvements in sanitation and hygiene,the discovery and use of antibiotics,which ___9___ bacterial diseases much less dangerous,and vaccinations___10___ common diseases. ___11___ ,people's general health has improved with improvements in our general environ-ment:cleaner air,better means of preserving food,better and warmer housing,and better understanding of nutrition. Genetically,we should all be able to live to about 85 but ___12___ people do live longer today,there are still some big killers around that are preventing US from consistently reaching that age. The problems that affect people today are the more chro-nic illnesses,such as heart disease and strokes,and those ___13___ by viruses,such as influen- za and AIDS. Of course,cancer is a huge killer as well. In most cases these diseases affect ___14___ people,but there are worrying trends in the developed world with problems such as obesity ___15___ more heart disease and illnesses such as diabetes at younger ages.
The killers today can be classed as“lifestyle diseases”,which means that it may be possi- ble to halt their progress.
3._________
A.length
B.time
C.duration
D.span
[单项选择]会计机构负责人（会计主管人员）在办理交接手续时，由单位负责人负责监交，必要时可由（）。
A. 主管单位派人督促监交
B. 主管单位派人代表主管单位监交
C. 主管单位派人会同监交
D. 主管单位亲自办理交接
[判断题]道岔工电结合部要求道岔尖轨、心轨底部与滑床台、辊轮间隙符合要求。
A.正确
B.错误
[判断题]网络割接原则上选择在业务闲时按照方案严格执行,割接时间窗口(不含传输专业)为22:00-5:00。( )
A.正确
B.错误
[判断题]减压蒸馏时应先加热再抽真空。 ( )
A.正确
B.错误
[判断题]操作人员应该站在面对锯片旋转的离心力方向操作,手不得跨越锯片。
A.正确
B.错误
[判断题]城市轨道交通车辆塞拉门借助传动机构和导轨，使车门开启时门页贴靠在车体侧墙的外侧，关闭时门页外表面与车体外墙呈一个平面。
A.正确
B.错误
[判断题]钢轨联结零件包括接头联结零件和中间联结零件。 ( )
A.正确
B.错误
[单项选择]● You will a conversation about Mr. Johnson’s car.
● For each question 23-30, mark one letter (A, B or C) for the correct answer.
● After you have listened once, replay the recording.When are they going to meet
[单选题]机车运行中，（）对各转动部分进行故障处理。
A.可以
B.临时
C.严禁
[单选题]假定某企业2014年的税后收益为50万元，支出的利息费用为20万元，所得税税率为25％，且该年度其平均资产总额为180万元，则该企业的资产回报率为( )。
A.33％
B.36％
C.37％
D.41％
[单选题]户外10kV高压配电装置场所的行车通道上，车辆（包括装载物）外廓至无遮拦带电部分之间的安全距离为（ ）m。
A.0.75
B.0.85
C.0.9
D.0.95
[单选题]通过有倒塌、坍塌或坠落物危险区域时，应采取哪些安全防护措施？( )
A.设置现场安全员（助理），密切监测建筑结构变化情况，发现倒塌险情时必须强行内攻。
B.因作战需要必须进入时，必须进行现场安全风险评估，并控制一线作战人员数量。
C.进入建筑内部前，应利用开花水流对房檐、屋顶等部位进行扫射，消除房檐瓦片、屋顶构件等掉落危险；
D.与危险建筑保持足够的安全距离，应该在陈旧、烧损的房檐及窗口下方架设拉梯。
[单项选择]被乙肝病毒污染的物体表面处理方法正确的是（）
A. 用清水擦拭
B. 用低效消毒剂擦拭
C. 用高效消毒剂擦拭
D. 用紫外线照射
E. 用清洁剂擦拭
[判断题]在训练过程中身上不得携带打火机、手机、钥匙、手表、笔、刀剪等坚硬物品。( )A
A.正确
B.错误
[单选题]小腿三头肌瘫痪时，足不能
A.背屈
B.跖屈
C.内翻
D.外翻
E.伸
[单项选择]财务评价是根据国家现行财税制度和价格体系分析计算项目直接发生的（），考察项目的盈利能力，清偿能力和财务生存能力等财务状况，据以判断项目财务可行性。
A. 财务费用
B. 财务效益
C. 财务效益和费用
D. 成本费用和效益
