热门试题:
[单项选择]相对于DES 算法而言,RSA 算法的 (11),因此,RSA (12)。
A. 加密密钥和解密密钥是不相同的
B. 加密密钥和解密密钥是相同的
C. 加密速度比DES 要高
D. 解密速度比DES 要高
[单选题]石油库和罐区,固定冷却系统()应对喷嘴进行一次检查,清除锈渣,防止喷嘴堵塞。储罐冷却水主管应在下部设置排渣口。
A.每年
B.每季度
C.每月
D.每半年
[填空题]One day, some children were playing hide-and-seek 11. ______
in an garden. The garden was big and full of man-made 12. ______
stones. The children knew them very well because 13. ______
they played there very often. Then, the youngest of 14. ______
them saw a tall jar, and had an idea. He decided climb 15. ______
into it and hide himself. However, it was filled of 16. ______
waters. As soon as he got into it and began to 17. ______
drown, he let out a cry of help. When all were frightened, 18. ______
one of their picked up a stone and threw it hard at 19. ______
the jar. The jar was broke and the boy was saved. 20. ______
[单项选择]She looked at her mother and her face ______.
A. turned red
B. lost
C. Was sorry
[单选题]独立生活活动能力(FIM)项目评分为 7 分指的是
A.完全独立
B.有条件的独立
C.监护
D.少量帮助
E.完全依赖
[简答题]文化层形成的原因:文化层主要是人为形成的,形成原因主要有两种情况。
[单选题]下列英文缩写对应正确的是
A.妊娠滋养细胞疾病—ETT
B.妊娠滋养细胞肿瘤—PSTT
C.胎盘部位滋养细胞肿瘤—GTT
D.上皮样滋养细胞肿瘤—GTD
E.妊娠滋养细胞疾病—GTD
[判断题](49090)( )全列采用双管供风的旅客列车途中因故改为单管供风后,不再恢复双管供风,直至终到站。( )(1.0分)
A.正确
B.错误
[单选题]表示保护中性线的字符是( )。
A.PN-C
B.PE
C.PEN
D. PNC
[判断题]3.201. 第201题
若主变保护检修压板与某侧MU检修压板不一致,则差动保护继续运行,但差流中不计入该侧电流
A.正确
B.错误
[单项选择]属于酌量性固定成本的有()。
A. 机器设备折旧费
B. 长期租赁费
C. 广告费
D. 职工最低工资
[单选题]高锰钢整铸辙叉心宽40mm断面处,辙叉心垂直磨耗(不含翼轨加高部分),60kg/m及以上钢轨在到发线上超过()时为重伤。《修规》第3.9.13条
A.6mm
B.8mm
C.10mm
D.12mm
[多选题]克服磁偏吹的方法有( )。
A. 改变接地线位置
B.调整焊条角度
C.减小焊条偏心
D. 增加焊接电流
E. 降低度焊接电流 F减小气流干扰
[单选题]下列说法错误的是
A.胃称为“太仓”
B.小肠者,受盛之官
C.大肠者,传导之官
D.胃有“水谷之海”之称
E.脾有“五脏六腑之海”之称
[多选题]目前,农业银行“传世之宝”发行的收藏纪念类金条有( )。
A.建国60 周年纪念金条
B.农业银行A+H 上市纪念金条
C.建国50 周年纪念金条
D.海峡两岸纪念金条
[多项选择]按照实施监督的时间不同,公安执法监督可以分为( )。
A. 事前监督
B. 同步监督
C. 事中监督
D. 事后监督
[判断题]AC011 各种金属饰品,一般用软布可擦去灰尘,若污垢较多,可用硬布擦拭。
A.正确
B.错误
[多项选择]根据《税收征管法》,自结算缴纳税款之日起3年内发现的超过应纳税额的税款处理,下列做法不正确的是( )。
A. 纳税人可以要求税务机关退还多缴的税并加算银行同期利息
B. 纳税人可以要求税务机关加倍退还多缴的税款
C. 税务机关不予退还多缴税款
D. 税务机关只退还多缴税款
[单选题]下列关于灭火器的放置要求中,符合规范的是()
A. 便于取用
B. 位置隐蔽
C. 加锁放置
D. 悬挂于离地2m处
[判断题]列车必须退行时,退行速度不得超过15km/h。未得到后方站(线路所)车站值班员准许,不得退行到车站的最外方预告标或预告信号机的内方。 ( )
A.正确
B.错误
[单选题]配电终端电能量数据由( )主动发起电能量召唤请求,( )回复电能量召唤确认报文
A.主站 配电终端
B.配电终端 主站
C.配电终端 配电终端
D.主站 主站
[单项选择]某公司通常由公司高层做出决策,普通职工很少参与。这说明该公司采用的是()
A. 理性决策模式
B. 渐进决策模式
C. 精英决策模式
D. 集团决策模式
[单选题]正压式空气呼吸器警报器报警压力为( )MPa。(易)
A.1、4~1、6
B.0、4~0、6
C.8
D.4~6
[填空题]Last night we all went to the cinema, because the film was very (excite) ______ .
[单选题]9.对外出售重要空白凭证应验证客户身份并根据客户业务量适量出售。( )
A.正确
B.错误
[单项选择]清末设立资政院,其长官称为()。
A. 总裁
B. 尚书
C. 院长
D. 军机大臣
[多选题] 在确定换热介质的流程时,通常走壳程的有( )。
A.蒸汽
B.粘度大的流体
C.腐蚀性流体
D.被冷却的流体
[单项选择]In ancient Greece athletic festivals were very important and had strong religious association. The Olympian athletic festival held every four years in honour of Zeus, king of the Olympian Gods, eventually lost its local character, became first a national event and then, after the rules against foreign competitors had been abolished, international. No one knows exactly how far back the Olympic Games go, but some official records date from 776 B.C.
The games took place in August on the plain by Mount Olympus. Many thousands of spectators gathered from all parts of Greece, but no married woman was admitted even as a spectator. Slaves, women and dishonoured persons were not allowed to compete. The exact sequence of events is uncertain, but events included boy’s gymnastics, boxing, wrestling, horse racing and field events, though there were fewer sports involved than in the modern Olympic Games.
On the last day of the Games, all the winners were honoured by having a ring of holy o
A. were merely national athletic festivals
B. were in the nature of a national event with a strong religious colour
C. had rules which put foreign participants in s disadvantageous position
D. were primarily national events with few foreign participants
[单项选择]进入压力容器内检查或检修前测氧,是为了防止进入容器时发生缺氧事故,一般规定容器内氧含量至少应在()以上。
A. 10%
B. 20%
C. 30%
D. 15%
[单选题]设备发生接地时室内不得接近故障点( ) m
A.4
B.2
C.3
D.5
[单选题]返岗人员离岗 须参加中心级和班组级安全教育培训
A.3个月以上
B.6个月以上
C.1年以上
D.2年以上
[单选题]施工现场应实行封闭式管理,根据《建设工程施工现场安全防护.场容卫生及消防保卫标准》的规定,围增(围挡)高度不得低于( )。
A.1.5米
B.1.8米
C.2米
D.2.5米
[填空题]20世纪下半叶,出现了视觉艺术的概念,其本质上仍然是以()为重点,通常是指美术作品,也包括手工艺品、雕塑、摄影等,并逐渐接纳三维立体空间的表现,多媒体艺术等综合形式。
[多项选择]异节奏流水施工的特点是()
A. 不同施工过程之间的流水节拍互为倍数
B. 每一个施工过程在各施工段上的流水节拍都相等
C. 流水步距彼此相等
D. 专业工作队数目等于施工过程数目
E. 专业工作队连续均衡作业
[判断题]平车及敞车装载货物违反装载和加固技术条件的机车车辆禁止编入列车。( )
A.正确
B.错误
[判断题]可燃粉尘随着含氧量的增加,爆炸浓度范围扩大。
A.正确
B.错误
[单选题]电阻串联电路中,串联电路的等效电阻等于各个串联电阻( )。
A.倒数之和
B.之和
C.之积
D.倒数之和后的倒数