热门试题:
[单选题]当轨温高于锁定轨温时,无缝线路钢轨断面上要承受温度压力。温度压力达到了一定值,无缝线路轨道就会出现横向变形。变形的发生与发展过程基本上可分为( )三个阶段。
A.、持稳-胀轨-跑道
B.胀轨-持稳-跑道
C.持稳-跑道-胀轨
D.跑道-持稳-胀轨
[单项选择]
We used to think that the left brain controlled your thinking and that the right brain controlled your heart. But neuroscientists have learned that it’s a lot more complicated.
In 2007, an influential paper in the journal Behavioral and Brain Functions found that while most of us process emotions through the right hemisphere of the brain, about 35 % of people—especially victims of trauma—process their hurt and anger through their left brain, where logic and language sit. That may be because they had worked so hard to explain, logically, why they were suffering. But pushing emotions through the left brain taxed it: these people performed significantly worse on memory tests.
Now a new paper—out in the September issue of The Journal of Nervous and Mental Disease—further complicates the picture with a surprising finding: whether you are right-handed, left-handed or ambidextrous (which the authors call, rather delightfully, " inconsis
A. lefties
B. righties
C. ambidextrous
D. all the above
[单项选择]素质教育目标是稳定性与()的统一。
A. 持续性
B. 创新性
C. 延续性
D. 发展性
[多选题]社会主义初级阶段的涵义是( ).
A.我国已经进入社会主义社会
B.我国的社会主义社会正处于并将长期处于初级阶段
C.社会处于发展之中
D.坚持人民民主专政
[单项选择]TDD上下行子帧配置一共有几种类型()
A. 3
B. 5
C. 7
D. 9
[多选题]以下哪些属于理财业务常见的风险类型
A.信用风险
B.市场风险
C.流动性风险
D.操作风险
[单项选择]反补贴只能针对下列哪项行为实施()
A. 任何形式的直接补贴
B. 任何形式的补贴,包括直接补贴和间接补贴
C. 具有专向性的直接补贴
D. 具有专向性的补贴,包括直接补贴和间接补贴
[多选题]起重设备的操作人员和指挥人员应()后方可独立上岗作业,其合格证种类应与所操作(指挥)的起重设备类型相符。
A.经专业技术培训
B.经实际操作及有关安全规程考试合格、取得合格证
C.熟悉起重设备
D.熟悉作业指导书
[判断题]矿井采掘工作面探放水应当采用钻探方法,由专业人员和专职探放水队伍使用专用探放水钻机进行施工。()
A.正确
B.错误
[多选题](467936)应用GB 6536时,下列需要进行大气压力校正的大气压力值为( )。((1.0分)
A.769毫米汞柱
B.700毫米汞柱
C.780毫米汞柱
D.751毫米汞柱
[判断题]起吊前,必须正确掌握吊件重量,不允许起重机具超载使用。( )
A.正确
B.错误
[多项选择]驾驶员车速慢给行车带来的负面影响是()。
A. 阻碍后车通行
B. 造成交通拥堵或追尾事故
C. 长时间占用对向车道或左侧车道,很容易引发交通事故
D. 驾驶员反应速度变慢
[判断题]气瓶搬运应使用专门的抬架或手推车。()
A.正确
B.错误
[单项选择]当管道公称通径等于或小于250mm时,热电偶的插入有效深度为()
A. 50mm
B. 70mm
C. 100mm
D. 150mm
[单项选择]“肇迹于晋,得名于唐”是()的得名。
A. 惠州
B. 潮州
C. 佛山
D. 肇庆
[判断题]高压场合应选用高灵敏度或目标前置式漏电检测仪。( )
A.正确
B.错误
[多选题]设备接地引下线导通检查,110kV变电站每( )进行一次。
A.年
B.半年
C.两年
D.三年
[填空题](1.0分) 题号:1679 难度:中 第7章军队院校实行中央军委、( )两级管理体制。
[单选题]繁忙干线行车中断1.5小时属于( )事故。
A.一般A类
B.一般B类
C.一般C类
D.一般D类
[单项选择]雷尼替丁不具备哪个性质()
A. H2受体拮抗剂
B. 含有呋喃环
C. 是前药
D. 为反式体,顺式体无活性
E. 易溶于水
[单项选择]While the world’s flu fighters have concentrated on countering the H1N1 swine flu, bird flu H5N1 has quietly continued to take its (62) on both poultry and humans. Last year, 17 countries, (63) from Germany to Japan, reported outbreaks of H5N1 in (64) poultry and wild birds; and the World Health Organization, which still says H5N1 causes a worldwide threat, recoded 72 human (65) , 32 of them fatal.
The major outbreak, entering its (66) year, is still in the developing countries of Asia. Indonesia (67) accounted for 19 of the 32 H5N1 deaths; Vietnam, (68) 5. But there are signs of (69) .
The number of human deaths has been (70) since peaking at 79 in 2006. And fewer countries reported outbreaks in 2009 than in 2008.
Partnership researchers compared notes on the effectiveness of control measures. Scientists reported that carefully (71) killing can be just as ef
A. transported
B. transferred
C. passed
D. parted
[单项选择]What really works to make sustainable changes in diet and lifestyle It’s probably not what you think. Years of clinical research proves that the real keys are pleasure, joy and freedom, not our power of will or austerity (苦行). Joy of living is sustainable; fear of dying is not.
Why Because life is to be enjoyed. There’s no point in giving up something you enjoy unless you get something back that’s even better, and quickly. When people eat more healthfully, exercise, quit smoking, manage stress better, and love more, they find that they feel so much better, so quickly, it reconstruct the reason for making these changes from fear of dying to joy of living. Fortunately, the latest studies show how dynamic and powerful are the mechanisms that control our health and well-being.
When you exercise and eat right: Your brain receives more blood flow and oxygen, so you become smarter, think more clearly, have more energy, and need less sleep. Two studies showed that just walking for th
A. The stress on mothers changes their understanding of life.
B. Mothers put stress into three levels so that they can be better disposed.
C. They feel stress each day and they learn not to let stress control their life.
D. The feeling of stress mothers have do affect their physical health.
[填空题]__________是指软件中含有一小段察觉不出的程序段,当软件运行时会损害用户的安全。
[单项选择]图像处理指的是()。
A. 对图像的定性分析
B. 用量化的方法以数字的表达形式对图像中各种结构信息的定量描述
C. 对图像的定量分析
D. 用量化的方法以吸光度的表达形式对图像中各种结构信息的定量描述
E. 对图像的修饰,通过这种修饰去除图像的缺陷或不足,将模糊图像变为清晰图像或以新的图像形式来表达原图像等
[单项选择]含铬元素的在荧光灯下显示的颜色为()
A. 红色.橙色荧光
B. 蓝色荧光
C. 白色荧光
[多项选择]棘球蚴病的临床表现可有
A. 囊壁不破裂,一般不呈现继发性棘球蚴病
B. 有时可出现中毒反应
C. 位置较浅可触及包块
D. 多为早期感染,但无明显临床症状
E. 机械压迫或局部刺激所致的隐痛
[单项选择]
Many theories concerning the causes of juvenile delinquency crimes committed by young people focus either on the individual or on society as the major contributing influence. Theories (21) on the individual suggest that children engage in criminal behavior (22) they were not sufficiently penalized for previous misdeeds or that they have learned criminal behavior through (23) with others. Theories focusing on the role of society that children commit crimes in (24) to their failure to rise above their socioeconomic status (25) as a rejection of middle-class values.
Most theories of juvenile delinquency have focused on children from disadvantaged families,
(26) the fact that children from wealthy homes also commit crimes. The latter may commit crimes (27) lack of adequate parental control. All theories, however, are tentative and are (28) to criticism.
Changes in the social structure may indirectly (2
A. on
B. in
C. for
D. with
[多选题]电力系统低频运行对发电机和系统安全运行的影响有(____)等。
A.使有功功率缺额增加,导致系统频率进一步下降,严重时将引起系统频率崩溃
B.引起发出的无功功率减少,系统电压下降,严重时引起系统电压崩溃
C.可能造成发电厂的汽轮机叶片共振而断裂,造成重大事故
D.使异步电动机和变压器励磁电流增加,无功消耗增加,从而使系统电压下降
[多选题]《论十大关系》中的前三条讲(),实际上是在论述如何开辟一条和苏联有所不同的中国工业化道路问题。
A. 重工业和轻工业、农业的关系
B. 沿海工业和内地工业的关系
C. 经济建设和国防建设的关系
D. 国家资本主义和民族资本主义的关系
[多选题]关于总、分工作票下列说法正确的是( )。
A.总工作票上所列的安全措施应包括所有分工作票上所列的安全措施
B.总、分工作票在格式上与第一种工作票一致
C.分工作票的许可和终结,由分工作票负责人与总工作票负责人办理
D.几个班同时进行工作时,总工作票的工作班成员栏内,需填写全部工作班人员姓名
[单项选择]
男,30岁,间断性上腹痛10余天,晨起突然呕血400ml,并排柏油便4次,自觉头晕心悸。入院测血压13/8kPa(98/60mmHg),心率108/min,肝脾未触及,肠鸣音亢进,10年前因黄疸性肝炎住院治疗后痊愈。半年前体检示乙肝抗原、抗体检查阴性,丙肝抗体检查阴性,近3年间歇出现上腹痛,多于春秋季发作。
该患者最可能的诊断是()
A. 肝硬化食管静脉曲张破裂出血
B. 消化性溃疡出血
C. 急性胃黏膜病变
D. 食管贲门黏膜撕裂症
E. 胃癌出血
[单项选择]与"重阴必阳"相关的理论是()
A. 阴阳的对立制约
B. 阴阳的互根互用
C. 阴阳的消长平衡
D. 阴阳的相互转化
E. 阴阳的平衡关系失调
[多项选择]保安服务市场分析的方法有()
A. 系统分析法
B. 因素分析法
C. 比较分析法
D. 德尔菲法
E. 专家分析法
[单项选择]在装饰抹灰中,各抹灰层之间及抹灰层与基体之间必须黏结牢固,抹灰层应无脱层、空鼓和裂缝,其检验方法不正确的是()。
A. 观察检查
B. 用小锤轻击检查
C. 尺量检查
D. 检查施工记录
[单项选择]配对设计是()
A. 多个实验因素的各水平进行组合,对各种可能的组合都进行实验
B. 受试对象配成对子,每对中的受试对象分别接受不同的处理
C. 受试对象配成区组,每个区组中的受试对象分别接受不同的处理
D. 受试对象随机分配到不同处理组中进行实验
E. 特殊的自身对照设计,以比较各处理组间的差异