热门试题:
[多选题]工作负责人在转移工作地点时,应逐一向工作人员交待( )。
A.A-带电范围
B.B-安全措施
C.C-停电时间
D.D-注意事项
[单选题]线路损失率即为线路损失电量占( )的百分比。
A.供电量
B.售电量
C.用电量
D.设备容量
[判断题]创伤急救时,外部出血立即采取止血措施,防止失血过多而休克。
A.正确
B.错误
[单选题] 对分馏塔的操作说法错误的是( )。
A.塔顶温度是根据汽油干点来调节控制的
B.通过改变油气入分馏塔的位置,来调整循环比
C.塔底温度的控制是通过控制蒸发段温度来实现的
D.蜡油集油箱液面的控制主要是通过蜡油出装置流量来实现调节
[单项选择]被保险人死亡后,保险金有可能作为被保险人的遗产,由保险人依照《中华人民共和国继承法》的规定履行给付保险金的义务。下列情形中,保险金可以作为被保险人遗产的情形包括():①保险单的“受益人指定”一栏为空白的情形;②受益人杀害被保险人未能成功,没有其他受益人;③受益人先于被保险人死亡,没有其他受益人;④受益人放弃受益权,没有其他受益人。
A. ①②③④
B. ①②④
C. ②③④
D. ①③④
[单选题]《竞争战略》一书的作者是( )。
A.泰勒
B.凯兹
C.康恩
D.迈克尔·波特
[单项选择]民用无人驾驶航空器系统视距内运行是指航空器处于驾驶员或观测员目视视距内半径()米,相对高度低于()米的区域内
A. 120 500
B. 500 120
C. 100 50
[单项选择]维生素A缺乏可导致()
A. 多发性神经炎
B. 毛囊角化症
C. 湿疹样皮炎
D. 脂溢性皮炎
E. 癞皮病
[填空题]高速铁路工务安全管理应坚持“安全第一,预防为主,( )”的原则。。
[多项选择]下列叙述正确的是______。
A. EAR是能够满足某一特定人群50%个体需要量的摄入水平
B. EAR是能够满足某一特定人群绝大多数个体需要量的摄入水平
C. AI和RNI都可以凭为个体摄入量的目标
D. 个体的摄入量高于EAR时,可以认为摄入量是充足的
E. 可以从AI来推测EAR
[单项选择]Decide which of the choices given below would best complete the passage if inserted in the corresponding blanks. Mark the best choice for each blank on your answer sheet.
It was only in death (31) the world realized how famous Diana, (32) Princess of Wales, really was. All the years while she was still (33) , were as nothing compared (34) the media attention she (35) after her tragic death in a car (36) in Paris, at the end of August.
Television companies dropped their normal programs to broadcast nonstop reports and British newspapers became (37) more than extended obituaries. Some people might have accused the media (38) overdoing it, but the public reaction was, if (39) , more intense and emotional. In Britain, hundreds of thousands of people, from babies (40) arms to pensioners, (41) for hours to sign books of condolence at James’s Palace in London. And, by the time o
A. as
B. to
C. by
D. for
[单项选择]冷沉淀融化后应该在多长时间内输注()。
A. 1小时以内
B. 2小时以内
C. 3小时以内
D. 4小时以内
E. 6小时以内
[简答题]离心泵在转速一定时,随着泵的流量加大,其扬程随之降低,轴功率随之( )
[单选题]根据我国相关法律的规定,()的行政处罚只能由法律加以设定。
A.责令停产停业
B.吊销企业营业执照
C.限制人身自由
D.没收非法财产
[单选题]若全选整个文档,最快捷的方法是( )。
A.Ctrl+A
B.Ctrl+H
C.Ctrl+O
D.Ctrl+E
[填空题]禁止站在机车( )方向的脚踏板上去岔线作业。
[判断题]高空作业使用的小型工具、材料应放置在工具材料袋(箱)内。作业中应使用专门的用具传递工具、零部件和材料,不得抛掷传递。
A.正确
B.错误
[单项选择]公关活动策划文案对目标公众的界定,应建立在()的基础上。
A. 经验分析
B. 专家推断
C. 目标分析
D. 定性分析或数据分析
[单选题]指挥员、安全员应对进入有毒区域的人员实时监测,发现体力不支、精神状态下降等情况,应( )。
A.立即撤离
B.进行就医
C.及时安排人员轮换
D.做好防护措施
[多选题]地质灾害主要以什么形式出现?( )
A.堰塞湖
B.泥石流
C.山体滑坡
D.塌方
[判断题]根据《建筑法》规定,在建筑物的合理使用寿命外,因建筑工程质量不合格受到损害的, 有权向责任者要求赔偿。( )
A.正确
B.错误
[单选题]下列关于验光盘的说法正确的是( )。
A.视标是验光盘的一部份
B.牛眼是肺头的一部份
C.验光盘由视孔、内外置辅镜、主透镜组组成
D.内外置附镜是验光盘的全部
[单项选择]以下气体中磁化率最大的是()。
A. 氢气
B. 氮气
C. 氧气
[多选题]铁路营业线,普速铁路分为()。
A.重要干线
B.繁忙干线
C.干线
D.其他线路
[单选题]采用分裂导线后,与同截面的普通导线相比,其线路对地电容( )
A.减小
B.增大
C.不变
[单项选择]
Until the late 1940s, when television began finding its way into American homes, companies relied mainly on print and radio to promote their products and services. The advent of television (1) a revolution in product and service. Between 1949 and 1951, advertising on television grew 960 percent. Today the Internet is once again (2) promotion. By going online, companies can communicate instantly and directly with prospective customers. (3) on the World Wide Web includes advertising, sponsorships, and sales promotions (4) sweepstakes, contests, coupons, and rebates. In 1996 World Wide Web advertising revenues (5) $ 300 million.
Effective online marketers don’t (6) transfer hard-copy ads to cyberspace. (7) sites blend promotional and non-promotional information indirectly delivering the advertising messages. To (8) visits to their sites and to create and (9) customer loyalty, companies cha
A. arrived
B. topped
C. overcame
D. descended
[填空题]
One of the three major commercial networks, CBS were
1. ______
organized in 1928 when
its founder William Paley acquired
ownership of a group of radio station.
2. ______
As the Columbia
Broadcasting System expanded its
operations, soon become the largest radio network in the United
3. ______
States, it precociously recognized the potential for
the rapidly
evolved television broadcasting
technology. On July 13th, 1931, 4. ______
it began
experimentally television broadcasting in New York,
5. ______
and ten years later began regular black and white week
6. ______
broadcasts over its
WCBW TV station in the same city, that
7. ______
became WCBS TV in November 1946. With Television City in
Hollywood, CBS
launched the industry’s first full scale
production stud
[填空题]电客列车钥匙由()进行统一管理,当有关人员需要使用时,须到派班室登
记领取,使用完后须到派班室进行签还。
[多选题]带电短接开关时,要求该开关()
A.跳闸回路保险已取下
B.跳闸机构已锁死
C.开关在跳闸状态
D.合闸回路保险已取下
E.开关在合闸位置
[多选题]标准曲线回归方程的相关系数( )为合格,分光光度法截距一般应( ),否则应
进一步作截距显著性检验。
A.≥0.999
B.≤0.005
C.≥0.99
D.≤0.5
[判断题]加强文化环境的建设,从国家文化的目视管理和“有声”管理入手,让安全无处不在。( )
A.正确
B.错误
[单项选择]下列哪种检测结果表示乙肝感染已恢复()
A. HBsAg(+),HBeAg(+)
B. HBsAg(+),抗-HBE(+),抗-HBc(+)
C. HBsAg(+),HBeAg(+),抗-HBcIgM(+)
D. HBsAg(+),抗-HBc(+)
E. 抗-HBc(+),抗-HBs(+)
[简答题]某锅炉,在额定蒸汽流量1110t/h工作时, 散热损失为0.2%,当锅炉实际蒸汽流量为721.5t/h时,锅炉散热损失是多少?
[单选题]地面磁感应器的磁感应强度应大于( )GS。
A.30
B.36
C.40
D.50
[单项选择]个人贷款业务中,银行没有实物或第三方保障还款来源的是( )。
A. 个人住房贷款
B. 个人汽车贷款
C. 个人信用卡透支
D. 助学贷款
[多选题]200km/h及以上高速客运铁路应选用()热轧钢轨。
A.U71MnG
B.U75VG
C.强度为880MPa
D.强度为980MPa
[单项选择]农村合作经济统计的常年外出劳动力指标,是指在外出劳动力中,全年累计在外劳动时间超过()者。
A. 8个月
B. 10个月
C. 6个月
D. 9个月
[判断题]国家不鼓励食品生产企业参加食品安全责任保险。( )
A.正确
B.错误
[单项选择]若数列{an}由a1=2,an+1=an+2n(n≥1)确定,则a100的值是(
)。
A. 9900
B. 9902
C. 9904
D. 10100
E. 11000