热门试题:
[单选题]1924年10月,直系将领()发动政变,推翻直系军阀曹锟、吴佩孚控制的北京政府。(出题单位:天津社会科学院)
A.张宗昌
B.冯玉祥
C.孙传芳
[单选题]Na +/Ca 2+交换蛋白的活性主要受下列哪一物质的调节
A. Ca 2+的跨膜浓度梯度
B. Na +的跨膜浓度梯度
C. H +的跨膜浓度梯度
D. PKC
E. PLC
[多项选择]下列属于债务重组的有( )。
A. 以低于债务账面价值的货币资金清偿债务
B. 修改债务条件,如减少债务本金,降低利率等
C. 延期偿还债务,但债务延长期间加收利息
D. 债务人改组,债权人将债权转为对债务人的股权投资
[单项选择]双香豆素与保泰松合用( )。
A. 竞争性对抗
B. 抗凝作用基本不变
C. 减慢药物灭活,作用增强
D. 加速药物灭活,作用减弱
E. 竞争与血浆蛋白结合,使游离药物浓度升高
[判断题]在文书中第一人称用“我”而不用“本人”,第二人称用“你”而不用“对方”,第三人称用“他”而不用“该”等。( )
A.正确
B.错误
[判断题]在调节过程中,当有偏差输入时,输出随时间不断地上升或下降之动作称为积分作用。
[单项选择]联合国安理会常任理事国进行决策的规则是( )。
A. 简单多数规则
B. 绝对多数规则
C. 加权多数规则
D. 全体一致规则
[多选题]三比值法根据()三对比值编码组合判断故障类型。
A.C2H2/C2H4
B.CH4/C2H2
C.CH4/H2
D.C2H4/C2H6
[单选题]大体积混凝土浇筑体在入模温度基础上的温升值不宜大于( )℃。(GB50496—2018《大体积混凝土施工标准》3.0.4)
A.A.20
B.B.25
C.C.40
D.D.50
[单选题]烧成系统操作过程中系统压力应保持()状态,确保工艺生产状态连续及稳定。
A.正压
B.负压
C.“0”位
D.一厂一法
[单项选择]在金属容器中内工作时装设额定动作电流不大于15mA动作时间不大于()s的漏电保护器
A. 0.05
B. 0.10
C. 0.15
D. 0.20
[填空题]The concept of student exchange between countries is not a new one. It is common (36) in many European countries and the United States of America. In fact, most of the (37) universities have made student exchange programs a necessary part of their system. This program is based on the (38) that a group of students coming from (39) parts of the world to a certain university for a year or even a few months can bring about a (40) change in the university. (41) its root back to World War Ⅱ student exchanges quickly became popular as they aimed to help increase the participants’ understanding and (42) of other cultures, as well as improving their language skills and (43) their social horizons. (44) . In this regard, I was selected for this program in 2007, according to which I was to study the Spring 2008 semester at the University of Montana. (45) .
Education in America is a bl
[单选题] 正常情况下,单导装置允许场段内外钢轨电流流向( )。
A.场段外流向场段内
B.场段内流向场段外
C.没有规律
D.流向大地
[单选题]以下判断中( )不是鉴别鱼翅涨发够身的标准。
A.用手指容易掐断
B.用筷子夹中间两头下垂
C.没有灰臭味
D.在冷水和热水中同样柔软
[单选题]若备用金、车票不足时,站务员综合岗须提前通知()增配
A.值班站长
B.客运值班员(或票务工作组)
C.行车值班员
D.站长助理
[单选题]CRH5A型动车组有电救援,短时间运行时,蓄电池电压不低于()V
A.20
B.18
C.25
D.30
[单选题]社会资本是( )
A. 相互联系和相互依存的所有单个资本的总和
B. 产业资本、商业资本、借贷资本的总和
C. 生产部门的资本和非生产部门资本的总和
D. 货币资本、生产资本、商品资本的总和
[单选题]( )是指生产设备、设施、环境和作业使用的工器具及安全防护用品不满足规程、规定、标准、反事故措施等要求,不能可靠保证人身、电网、设备和网络信息安全的不安全状态和因素
A.管理违章
B.行为违章
C.装置违章
D.作业违章
[多选题]视觉信号分为( )信号。
A.昼间
B.夜间
C.昼夜通用
D.手信号
[单项选择]根据《个人所得税法》的规定,2008年6月,若个人工资收入超过( )元。应缴纳个人所得税。
A. 800
B. 1 000
C. 1 600
D. 2 000
[多选题]工作人员进入微机保护装置调试工作现场应( )。
A.穿工作服
B.戴安全帽
C.穿绝缘鞋
D.穿防火服
[判断题]7号信令采用重发校正方法,具体说有基本法和预防循环重发法正常情况下BIB的取值不变,当某次消息BIB值翻转时,表示要求对方重发,对方从第BSN号消息开始重发
A.正确
B.错误
[单选题] 涡轮喷气发动机中的燃气经过涡轮后( )。
A.压力增大
B.温度升高
C.速度增大
D.速度降低
[单选题]‐版港币的光彩光变图案中均含有( )。
A..发钞行标识
B..面额数字
C. .行名
D..紫荆花
[判断题]结晶器进出水温度差要求不能超过10℃。 ( )
A.正确
B.错误
[判断题]正常状态借记卡整存整取子账户销户允许跨地市办理。
A.正确
B.错误
[单选题]根据《国家电网公司网络安全与信息通信应急管理办法》,网络安全与信息通信( )演练应选择在非主要业务时段进行。
A.桌面
B.模拟
C.实操
D.专项
[单项选择]The United States has a major problem on its hands. True, Britain is facing a similar problem, but for the time being it is in America that it is graver. The only way to solve it is through education. Negroes (黑人) should know about the contributions that black individuals and groups have made towards building America. This is of vital importance for their self-respect; and it is perhaps even more important for white people to know. For if you believe that a man has no history worth mentioning, it is easy to assume that he has no value as a man.
Many people believe that, since the Negro’s achievements do not appear in the history books, he did not have any. Most people are taken aback when they learn that Negroes sailed with Columbus, marched with the Spanish conquerors of South America and fought side by side with white Americans in all their wars. People are astonished when you tell them about Phillis Wheatley, who learned English as a salve in Boston and wrote first-class poetry
A. implied that black people are all talented
B. encouraged more blacks to make inventions
C. spurred the economic development at their times
D. proved Negroes’ great talent in invention
[单选题]短支烟的烟支总长度应小于 mm?
A.74
B.76
C.78
D.86
[单项选择]门式钢管脚手架中,在门架的立杆垂直方向采用()接高。
A. 连接棒和锁臂
B. 连接棒和剪刀撑
C. 栏杆柱和锁臂
D. 连接棒和栏杆柱
[填空题]清政府对蒙古实行(),从天聪年间起,即规定各旗不得越界游牧和互相往来。
[单选题]以下表述正确的是()。( )
A.躯(肢)体固定气囊是一种用于保护骨折伤员的救生器材
B.一般由PVC材料制成,表面不容易损坏,不可洗涤
C.躯(肢)体固定气囊比较坚硬不可按伤员的各种形态而变化
D.X 光、CT,MRI 均不可穿透
[判断题] 气体火焰矫正是利用金属局部受热后的膨胀所引起的新变形,来抵消原来的变形。 ( )
A.正确
B.错误
[多选题]采用机械刻槽法恢复水泥混凝土路面表面功能刻槽间距(___)mm,符合规定。
A.A.5
B.B.10
C.C.15
D.D.20
[单选题]电弧是两个电极之间的气体介质中强烈而持久的放电现象。 ( )
A.正确
B.错误
[填空题]灰土挤密桩施工前进行()试验,确定施工工艺和工艺参数,并报监理单位确认,试桩数量应符合相关规范要求。