热门试题:
[单项选择]毛细胞星形细胞瘤()。
A. 不全切除术后应予术后放疗
B. 完全切除术后应予术后放疗
C. 术后都应行术后放疗
D. 术后不必放疗
E. 肿瘤超过2cm,应行术后放疗
[判断题]闸板防喷器不能长期封井。( )
A.正确
B.错误
[单项选择]下述物质中不引起支气管哮喘发病的炎性介质是()
A. 前列腺素
B. 心钠素
C. 白三烯
D. 血小板活化因子
E. 嗜酸性粒细胞趋化因子
[判断题]在弹性接触下,摩擦系数随荷载的增加而增大,越过一个极大值后,却又逐渐稳定。
[判断题]直流电路中电流的方向总是从电源的正极流向电源的负极。
A.正确
B.错误
[单选题]线路表示器是( )的复式信号。
A.驼峰信号机
B.上峰线束信号机
C.峰下信号机
D.峰上信号机
[多选题] 第 314 题, 本小题 1 分
下列表述中属于合同成立条件的是(____)。
A. 签字盖章成立
B. 确认书成立
C. 实际履行成立
D. 合同订立双方同意
[多选题]下列各项中,应计入营业外收入的有( )
A.企业接受原材料捐赠的利得
B.与企业日常活动相关,除冲减相关成本费用以外的政府补助
C.盘盈的固定资产
D.因债权单位撤销而无法支付的应付账款
[单选题](238322)车体端部纵向和横向减振器用于衰减车体的纵向、垂向和( )振动。(1.0分)
A.横向
B.点头
C.横摆
D.颤抖
[判断题] 企业安全文化所提出的价值观为企业的安全管理决策活动提供了为企业大多数职工所认同的价值取向,它们能将价值观内化为个人的价值观,将企业目标“内化”为自己的行为目标,使个体的目标、价值观、理想与企业的目标、价值观、理想有了高度一致性和同一性。这就是企业安全文化的辐射和同化功能。
A.正确
B.错误
[单项选择]播音员主持人的个人形象应这样理解()
A. 虽具有本色属性,但由于职业的特殊性,应在日常生活中保持个性的同时,尽量锻炼自己与所主持节目的特色相一致,使个性得到升华
B. 个人形象是播音员主持人在日常生活重的具有的本色属性,但由于播音主持的岗位的特殊性,由于播音员主持人是具有一定社会影响力的公众人物,因此,不能不严格约束自己的日常行为
[单项选择]在绝大多数人中
A. 胆囊管汇合于右肝管
B. 胆囊管汇合于肝总管
C. 胆囊管汇合于左肝管
D. 胆囊管汇合于乏特壶腹部
E. 胆囊管汇合于十二指肠球后部胆总管
[多项选择]1kV以上的电力线路可分为()。
A. 高压输电线路
B. 高压配电线路
C. 低压线路
[单选题] 变更工作负责人或增加工作任务,如( )无法当面办理,应通过电话联系,并在工作票登记簿和工作票上注明。
A. 工作票签发人和工作许可人
B. 工作票签发人或工作许可人
C. 工作票签发人和专责监护人
D. 工作票签发人或专责监护人
[判断题]班主任工作的中心环节是了解和研究学生。
A.正确
B.错误
[单项选择]
一个带宽为3 kHz、没有噪声的信道传输二进制信号时能够达到的极限数据数率为 (24) 。一个带宽为3kHz、信噪比为30dB的信道能够达到的极限数据传输率为 (25) 。上述结果表明, (26) 。
根据奈奎斯特第一定理可知,为了保证传输质量,达到3kb/s的数据传输率需要的带宽为 (27) 。在一个无限带宽的无噪声信道上传输二进制信号,当信号的带宽为3kHz时,能达到的极限数据传输率为 (28) kb/s。
27()
A. 3kHz
B. 6kHz
C. 12kHz
D. 56kHz
[单项选择]
In this section, you will hear two interviews. Each
interview will be read only once. At the end of each interview, there will be a
pause. During the pause, read the questions, each with three choices marked A, B
and C, and decide which is the best answer. Then mark the corresponding letter
on the answer sheet with a single line through the centre. {{B}}Interview
One{{/B}}
Which of the following does not seem quite suitable for very young children
[单选题]以下关于盾构带压开仓动火作业的描述,错误的是 .
A.进仓作业人员应穿戴专用防护装备
B.仓内可使用可燃气体进行动火切割作业
C.应限制焊工在仓内连续工作时长
D.仓内动火作业期间应进行空气质量监测并换气
[简答题]上海户籍,但是在外省市复读,不知能否参加上海居民医保,如何参加?
[判断题]凡在坠落高度基准面3m以上(含3 m)有可能坠落的高处进行作业都称为高处作业。
A.正确
B.错误
[判断题]修正量的合计与正矢差累计的合计必须符号相反,绝对值相等。
A.正确
B.错误
[单项选择]骨与关节结核发生率最低的部位是()
A. 肘关节
B. 腕关节
C. 髋关节
D. 膝关节
E. 椎体
[不定项选择题]共用题干
“Lucky” Lord Lucan一Alive or Dead
On 8th November 1974 Lord Lucan, a British aristocrat,vanished.The day before,his children's nanny had been brutally murdered and his wife had been attacked too.To this day the British public are still interested in the murder case because Lucan has never been found.Now,over 30 years later,the police have reopened the case,hoping that new DNA techniques will help solve this murder mystery.
People suspected that“Lucky”,as he was called by friends,wanted to kill his wife he no longer lived with.They say that Lucan entered his old house and in the dark,killed the nanny by mistake.His estranged wife heard noises,came downstairs and was also attacked,but managed to escape.Seven months after the murder,a jury concluded that Lucan had killed the nanny.
What happened next is unclear,but there are several theories which fall into one of three categories:he may have killed himself,he could have escaped or he might have been killed.It appears that the night after the murder,“Lucky” borrowed a car and drove it,Lucan's friend Aspinall said in an interview that he thought Lucan had committed suicide by sinking his boat in the English Channel.
Another version of events says that“Lucky”left the blood-soaked car on the coast and took a ferry to France.He was met there by someone who drove him to safety in another country.However, after a time,his rescuers became worried that they would become involved in the murder too and so Lucan was killed.
A further fascinating theory was made in the book Dead Lucky by Duncan MacLaugh-lin,a former detective.He believes that Lucan travelled to Goa,India,where he assumed the identity of a Mr.Barry Haplin.Lucan then lived in Goa till his death in 1996.In the end the claim turned out be a case of mistaken identity.The man who died in 1996 was really Haplin, an ex school teacher turned hippy.So what is the truth about Lucky?DNA testing has solved many murder cases,but who knows if it can close the book on this one.
Aspinall thought Lucan killed himself by______.
A.jumping into water
B.jumping out of his house
C.sailing his boat
D.sinking his boat
[单选题]临时生活设施尽可能搭建在距离修建的建筑物( )m以外的地方。
A.20
B.25
C.30
D.35
[单项选择]遇有雷雨、大雪、浓雾或风力在(),及以上等恶劣气候时,应停止露天高空作业。
A. 6级
B. 5级
C. 4级
D. 3级
[单选题]3.770. 第770题
用伏安相位表测量电压电流相位角数据时,电流钳红点应面对( )。
A.电流流出的方向
B.电流流入的方向
C.外
D.内
[单项选择]医疗诊断是针对疾病的
A. 生理表现
B. 行为反应
C. 病理过程
D. 行为特征
E. 行为表现
[单选题]高压回路上使用钳形电流表的测量工作,至少应两人进行。非运维人员测量时,应()。
A.填用配电第一种工作票
B.填用配电第二种工作票
C.填用配电带电作业工作票
D.按口头或电话命令执行
E./
F./
[判断题]中华优秀传统文化是中华民族的根和魂,是中国特色社会主义植根的文化沃土。
A.正确
B.错误
[判断题]《建筑法》规定,建筑活动,是指各类房屋建筑及其附属设施的建造和与其配套的线路.管道.设备的安装活动。( )
A.正确
B.错误
[单项选择]口内直接法制作桩核蜡型时根面和根管内应涂一薄层()。
A. 蒸馏水
B. 单体
C. 液体石蜡
D. 酒精
E. 碘酒
[单项选择]城市社区的社会关系以()为主。
A. 血缘关系
B. 地缘关系
C. 业缘关系
D. 混合关系
[判断题]领导觉得某位员工身体强壮,在没有经过上岗前身体健康检查情况下安排员工从事接触职业病危害因素的作业。
A.正确
B.错误
[单选题] 测速仪测量轴的转速时,其与轴上的反光贴片的测量距离应在( )cm。
A.10~20
B.20~30
C.20~40
D.30~60