热门试题:
[单选题]自然磨损是指机器零件在( )工作条件下,在相当长的时间内逐渐产生的磨损。
A.A 异常
B.B 冲击
C.C 高温
D.D 正常
[单选题]周期来压的步距大小主要取决于( )的性质。
A.伪顶
B.直接顶
C.老顶
[判断题]变压器投入正常运行后,要定期进行巡视和检查。
A.正确
B.错误
[多项选择]被HBV阳性病人血液、体液污染的锐器刺伤后的正确处理是
A. 跟踪观察
B. 记录刺伤经过
C. 同时进行血液乙肝标志物检查
D. 在24h内注射乙肝免疫高价球蛋白
E. 阴性者皮下注射乙肝疫苗10μg、5μg、5μg (按0、1月、6月间隔)
[单项选择]已知某DNA分子共含有1000个碱基对,其中一条链上A:G://T:C=l:2:3:4。该DNA分子连续复制2次,共需要鸟嘌呤脱氧核苷酸分子数是()
A. 600个
B. 900个
C. 1200个
D. 1800个
[单选题]下列利尿剂中,属于碳酸酐酶抑制剂的是
A.乙酰唑胺
B.阿米洛利
C.布美他尼
D.氢氯噻嗪
E.螺内酯
[多项选择]关于胎盘的描述正确的有()
A. 母体面有18~20个胎盘小叶
B. 母儿间物质交换时,胎儿血与母体血并不直接相通
C. 底蜕膜是构成胎盘的母体部分
D. 叶状绒毛膜是构成胎盘的主要部分
E. 羊膜有丰富的血管,向羊膜腔供给胎儿营养
[单选题]公司制期货交易所一般不设( )。
A.董事会
B.总经理
C.专业委员会
D.监事会
[单选题]党的各级领导干部必须正确行使人民赋予的权力,坚持原则,依法办事,清正廉洁,勤政为民,以身作则,艰苦朴素,密切联系群众,坚持党的群众路线,自觉地接受党和群众的批评和监督,做到( ),反对官僚主义,反对任何滥用职权、谋求私利的不正之风。
A.A、自重、自醒、自爱、自律
B.B、自尊、自醒、自重、自励
C.C、自重、自省、自警、自励
[单选题]第一套人民币_券别的钞票同时出现过颐和园内昆明湖上的十七孔拱桥和万寿山前的排云殿图案?
A.100元券
B.200元券
C.500元券
D.1000元券
[多选题]债券投资与股票投资相比( )。
A. 收益稳定性强
B. 投资风险较小
C. 收益较高
D. 没有经营控制权
[判断题](110083)( )锉刀上的锉削可用油、水冲洗。( )(1.0分)
A.正确
B.错误
[单选题]( )作为风险管理第一道防线,承担业务条线职责范围内风险管理的直接责任,在业务前端识别、计量、评估、监测、报告、控制或缓释风险。
A. 业务部门
B. 各类风险的归口管理部门
C. 审计部门
D. 风控会
[判断题]纤芯的折射率较低,包层的折射率高。
A.正确
B.错误
[单选题]8%糖牛奶100ml能产热( )
A.100KJ
B.200KJ
C.100kcal
D.200kcal
E.300kcal
[多选题]影响反应器压降的因素有( )。
A. 进料流速
B. 进料温度
C. 循环氢量
D. 床层空隙率
[单选题]以系统内银团贷款方式发放的固定资产贷款,由各成员社派人参与评审,评审小组成员不少于()人。
A.A.10
B.B.8
C.C.5
D.D.3
[判断题]承、发包工程,工作票应实行“双签发”。签发工作票时,双方工作负责人在工作票上分别签名,各自承担相应的安全责任。
A.正确
B.错误
[多选题]对于扣留财物,行政执法机关哪些处置是正确的?
A.可以拍卖
B.可以由本单位使用
C.应当妥善保管
D.不得擅自使用或者处理
[多项选择]所有权的内容包括()
A. 占有
B. 使用
C. 收益
D. 分配
E. 处分
[单项选择]行ERCP前,需
A. 禁食12小时、禁水4小时
B. 检查凝血功能
C. 注射阿托品
D. 检查肝功能
E. 进脂肪餐
[单选题]某道岔附带曲线半径为500m,该曲线圆曲线正矢为( )mm。
A.20
B.25
C.30
D.32
[单选题]突发公共卫生事件严重危害
A.公众权益
B.社会公众利益
C.经济秩序
D.社会秩序
E.社会公众健康
[单项选择]What does the passage mainly discuss
A. ( The mass migration of ants
B. ( How ants mark and follow a chemical trail
C. ( Different species of ants around the world
D. ( The information contained in pheromones
[单项选择]宜用煅淬法炮制的药材是()
A. 自然铜
B. 牡蛎
C. 石决明
D. 血余炭
E. 白矾
[单项选择]Mass transportation revised the social and economic fabric of the American city in three fundamental ways. It speeded up physical expansion, it sorted out people and land uses, and it 62 the inherent instability of urban life. By opening vast areas of unoccupied land for residential expansion, the buses, 63 , commuter trains, and electric trolleys pulled settled regions outward two to four times more 64 from city centers than they were in the pre-modern era. In 1850, for example, the borders of Boston lay 65 two miles from the old business district; by the turn of the century the 66 ex tended ten miles. Now those who could afford it could live far removed from the old city center and still 67 there for work, shopping, and 68 The new accessibility of land around the periphery (外围) of almost every, major city 69 an explosion of real estate development and fueled what we now 70 as ur
A. described
B. sparked
C. reinforced
D. extinguished
[判断题]高层货架仓库中的整体式自动仓库适用于12米以上的大型自动仓库。( )
[判断题]行政执法责任制是“行政执法责任制和评议考核制”的统称。
[单选题]在进入浓烟、高温、有毒区域搜救人员时,要携带安全导向绳或铺设水带进入,携带()、防毒面具或其它呼吸保护器具,用于救助和保护被困人员。
A.救生担架
B.呼救器
C.有毒气体探测仪
[单选题]瓷制棒式绝缘子(抗弯)的机械强度安全系数不应小于()。
A.2
B.2.5
C.3
D.4
[填空题]线路两旁堆放货物,距钢轨头部外侧不得小于<--NRC-->m,不足上述规定距离时,不得进行调车作业。
[单选题]SDH(Synchronous Digital Hierarchy)全称为( )。( )
A.异步传输
B.同步传输
C.异步数字体系
D.同步数字体系
[判断题]空调系统水管道的整个系统应进行杀菌剥离处理,以更好的保护洁净的金属表面防止氧化锈蚀。
A.正确
B.错误
[单项选择]The largest of the giant gas planets, Jupiter, with a volume 1,300 times greater than Earth’s, contains more than twice the mass of all the other planets combined. It is thought to be a gaseous and fluid planet without solid surfaces, Had it been somewhat more massive, Jupiter might have attained internal temperatures as high as the ignition point for nuclear reactions, and it would have flamed as a star in its own right. Jupiter and the other giant planets are of a low-density type quite distinct from the terrestrial planets: they are composed predominantly of such substances as hydrogen, helium, ammonia, and methane, unlike terrestrial planets. Much of Jupiter’s interior might be in the form of liquid, metallic hydrogen, Normally, hydrogen is a gas, but under pressures of millions of kilograms per square centimeter, which exist in the deep interior of Jupiter, the hydrogen atoms might lock together to form a liquid with the properties of a metal. Some scientists believe that the inne
A. If Jupiter had fewer satellites, it would be easier for scientists to study the planet itself.
B. If Jupiter had had more mass, it would have developed internal nuclear reactions.
C. If Jupiter had been smaller, it would have become a terrestrial planet.
D. If Jupiter were larger, it would give off much less heat
[判断题]城管执法人员对执行公务中遇到的暴力抗法人员可以强行带离现场。( )
A.正确
B.错误