热门试题:
[单选题] ( )用系统论的观点、理论和方法来认识和处理管理中出现的问题。
A.人体模型原理
B.预防原理
C.系统原理
D.强制原理
[单选题]控制燃烧的方法有降温、移除可燃物、窒息或（ ）。
A.抑制燃烧链式反应
B.射水
C.冷却
D.通风
[单项选择]上消化道出血( )
A. 中性粒细胞增多
B. 成熟淋巴细胞增多
C. 嗜酸粒细胞增多
D. 单核细胞增多
E. 嗜碱粒细胞增多
[判断题]警冲标是用以指示机车车辆停车时，不准向道岔方面或线路交叉处所越过的地点标志。
A.正确
B.错误
[单选题]双重称号。即（）和位置称号。
A. A.线路名字
B.B.线路位置
C.C.线路名称
D.D.线路编号
[单项选择]据统计，快餐业营业收入约占整个餐饮业营业额的（ ）.
A. 1／5
B. 2／5
C. 1／4
D. 2／4
[多选题]与粗集料力学性质有关的计算值有()。
A. AAV
B. Q
C. Q'a
D. Qe
[单选题]皮带传动的主要缺点之一是( )。
A.传动不平稳
B.传动比不稳定
C.传动效率很低
D.不能作变向传动
[单项选择]褥疮的临床特点中最主要的是（）。
A. 好发于老年人
B. 经久不愈
C. 好发于易受压和摩擦部位
D. 好发于消渴病人
E. 好发于下肢
[单项选择]在竣工决算的编制步骤中，( )工作决定了竣工决算所用财务数据的可靠性，这是准确编制竣工决算的根本保证。
A. 填写竣工决算报表
B. 编制建设项目竣工决算说明书
C. 进行工程造价对比分析
D. 清理各项财务、债务和结余物资
[单项选择]
Many people invest in the stock market hoping to find the next Microsoft and Dell. However, I know (1) personal experience how difficult this really is. For more than a year, I waw (2) hundreds and sometimes thousands of dollars a day investing in the market. It seemed so easy, I dreamed of (3) my job at the end of the year, of buying a small apartment in Paris, of traveling around the world. But these dreams (4) to a sudden and dramatic end when a stock I (5) , Texas cellular pone wholesaler, fell by more than 75 percent (6) a one year period. On the (7) day, it plunged by more than $ 15 a share. There was a rumor the company was (8) sales figures. That was when I leamed how quickly Wall street (9) companies that misrepresent the (10) .
In a (11) , I sold all my stock in the company, paying (12) margin debt with cash advances from my (13) card. Because I owned so many shares, I
A. busy
B. slow
C. worst
D. fast
[填空题]隔离开关操作要准确迅速，一次开闭到位，中途不得<--NRC-->和发生冲击。
[判断题]起重滑车出现裂纹时应及时进行焊补。
A.正确
B.错误
[单选题]立式钻床的主要部件包括主轴变速箱.进给变速箱.( )和进给手柄。
A.进给机构
B.操纵机构
C.齿条
D.主轴
[单选题]资格预审的合格制是指（ ）。
A.一定数量的预审通过者获得投标资格
B.满足条件的申请人均获得投标资格
C.通过初审的申请人均可进入详细评审阶段
D.一定数量的初步评审通过者可进入详细评审阶段
[判断题]( )在区间行走时应走路肩,不间断瞭望,在双线区间应面迎列车运行方向行走。
A.正确
B.错误
[单项选择]“君之视臣如手足，则臣视君为腹心；君之视臣如犬马，则臣视君如国人；君之视臣如土芥，则臣视君如寇仇”出自（）。
A. 《大学》
B. 《中庸》
C. 《孟子》
D. 《论语》
[判断题]应合理选择货物上的拉牵位置。用于防止货物水平移动时，拉牵位置应尽量高些；用于防止货物倾覆时，拉牵位置可适当低些。（ ）
A.正确
B.错误
[单选题]多媒体计算机技术的主要特性有( )。( )
A.多样性、集成性和可扩充性
B.多样性、交互性和可扩充性
C.多样性、集成性和交互性
D.集成性、交互性和可扩充性
[单项选择]
On a weekday night this January, thousands of flag-waving youths packed Olaya Street, Riyadh’s main shopping strip, to cheer a memorable Saudi victory in the GCC Cup football final. One car, rock music blaring from its stereo, squealed to a stop, blocking an intersection. The passengers leapt out, clambered on to the roof and danced wildly in front of the honking crowd. Having paralyzed the traffic across half the city, they sped off before the police could catch them.
Such public occasion was once unthinkable in the rigid conformist kingdom, but now young people there and in other Gulf states are increasingly willing to challenge authority. That does not make them rebels: respect for elders, for religious duty and for maintaining family bonds remain pre-eminent values, and premarital sex is generally out of the question. Yet demography is beginning to put pressure on ultra-conservative norms.
After all, 60% of the Gulf’s native population is under the
A. expanding workforce
B. exploding population
C. practical intelligence
D. intellectual curiosity
[多选题]终端事件按采集方式分为（ ）。
A.A、主动上报
B.B、人工上报
C.C、主动召读
D.D、主站透抄
[单项选择]Of all the lessons taught by the financial crisis, the most personal has been that Americans aren’t so good at money-management. We take out home loans we can’t afford. We run up sky-high credit-card debt. We don’t save nearly enough for retirement.
In response, supporters of financial-literacy education are moving with renewed enthusiasm. School districts in states such as New Jersey and Illinois are adding money-management courses to their curriculums. The Treasury and Education departments are sending lesson plans to high schools and encouraging students to compete in the National Financial Capability Challenge that begins in March.
Students with top scores on that exam will receive certificates--but chances for long-term benefits are slim. As it turns out, there is little evidence that traditional efforts to boost financial know-how help students make better decisions outside the classroom. Even as the financial-literacy movement has gained steam over the past decad
A. is expected to be rewarding
B. is expected to be ineffective
C. has proved to be well-received
D. has proved to be untrustworthy
[判断题]供电段的主要任务是: 编制大修、 改造和科研计划, 不负责制定接触网小修计划。 ( )
A.正确
B.错误
[单选题]选择可摘局部义齿基牙的原则中，哪条是错误的
A.选择健康牙做基牙
B.虽有牙体疾病的，但已经治疗
C.虽有牙周疾病，但已得到控制
D.越近缺隙的牙做基牙固位，支持效果越好
E.选用多个基牙时，彼此越平行越好
[单选题]GPON ONT成功注册时，PON灯的状态是（ ）
A.无规律/irregular
B.常亮/constantly o
C.闪烁/flashing
D.灭/off
[多选题]在 MySQL 中，字符串函数主要有（）。
A.计算字符长度函数
B.字符串合并函数
C.字符串转换函数
D.字符串比较函数
[单项选择]电动机的防爆标志“EXD.IIB.T4”中，T4代表的意义是（）
A. 防爆标志
B. 电气设备防爆形式
C. 电气设备类别符号
D. 电气设备温度组别
[多选题]各级纪律检查机关必须加强自身建设,健全内控机制,自觉接受( ),确保权力受到严格约束。
A.党内监督
B.党外监督
C.群众监督
D.社会监督
[单选题]局部兴奋产生是由于( )。
A.刺激使细胞膜超极化
B.直接使细胞膜去极化
C.膜自身的去极化反应
D.阈下刺激直接使细胞膜去极化和膜自身的轻度去极化叠加韵结果
E.刺激激活大量Na通道开放所致
[单选题] 冻结存款、汇款的行政强制措施可以由（ ）实施，其他任何行政机关或者组织不得冻结存款、汇款。
A. 法律规定的行政机关
B. 法律、行政法规规定的行政机关
C. 法律、行政法规、地方性法规规定的行政机关
D. 法律规定的行政机关或者经过委托的其他行政机关
[判断题]使用固定式抱杆立、撤杆，抱杆基础应平整坚实，缆风绳应分布合理、受力均匀。
A.正确
B.错误
[单项选择]铜件酸洗或退镀不良铜镀层采用含硝酸的混合酸或浓硝酸溶液时，常加入（）化学抑制剂，可抑制氮氧化物气体从溶液中逸出。
A. 十二烷基硫酸钠
B. 乳化剂
C. 尿素
[单选题]邓小平曾指出：“党成为全国的执政党,特别是生产资料私有制的社会主义改造基本完成以后,党的中心任务已经不同于过去,社会主义建设的任务极为繁重复杂,(),越来越不适应社会主义事业的发展。对这个问题长期没有足够的认识,成为发生‘文化大革命’的一个重要原因,使我们付出了沉重的代价。”
A.干部职务终身制
B.权力过分集中
C.法制不健全
D.党风不正
[判断题]所有公民都有参加有组织的灭火工作的义务
A.正确
B.错误
[判断题](类别：号段管理 难度：中等)平台提供了Push API机制，当预定义的事件被触发的时候，平台可以实时向企业的IT系统推送消息。( )
A.正确
B.错误
[单项选择]Why can we hardly depend entirely on foreign investment for support
A. Because the amount is too small to satisfy our needs.
B. Because governments are not interested in investing abroad.
C. Because the political situation of a government influences overseas investment policy.
D. Because foreign investments usually act according to international convention.
[单选题] "在制动系统中，一列车有( ）个空压机组？
A.1
B.2
C.4
D.6"
[单选题]行政法规不能设定下列哪一类行政处罚
A.责令停产停业
B.暂扣企业许可证
C.吊销企业营业执照
D.限制人身自由
