热门试题:
[单选题] 与电力调度机构值班调度员进行调度业务联系的调度系统运行值班人员必须为( )
A.值长
B.值长授权的值班员
C.任何值班员
D.具备受令资格的人员
[单项选择]银行本票的提示付款期自出票日起最长不得超过( )。
A. 3天
B. 10天
C. 2个月
D. 6个月
[单项选择]在治疗手足浅表性真菌感染过程中,应用肾上腺皮质激素健康提示的正确标示是
A. 在体股癣治疗前应用
B. 在体股癣治疗前禁止应用
C. 在体股癣尚未根治前应用
D. 在体股癣尚未根治前禁止应用
E. 在对体股癣进行其他治疗前禁止应用
[填空题] In a telephone survey of more than 2,000 adults, 21% said they believed the sun revolved (旋转) around the earth. An (71) 7% did not know which revolved around (72) I have no doubt that (73) all of these people were (74) in school that the earth revolves around the sun; (75) may even have written it (76) a teat. But they never (77) their incorrect mental models of planetary (行星的) (78) because their everyday observations didn’’t support (79) their teachers told them: people see the sun "moving (80) the sky as momin8 turns to night, and the earth seems stationary (静止的) (81) that is happening.
Students can leant the right answers (82) heart in class, and yet never combined them (83) their working models of the world. The objectively correct answer the professor accepts and the (84) personal understanding of the world can (85) side by side, each unaffected by the other.
Outside of class, the student continues to use the (86) model because it has always worked well (87) that cir
A. A.with
B.into
C.to
D.along
[判断题]有限空间内积水或杂物较多时,应先采取抽水清淤等措施,防止有害气体积聚。
A.正确
B.错误
[单选题]心室肌有效不应期的长短主要取决于
A.动作电位 0期除极速度
B.阈电位水平高低
C.动作电位 2期时程
D.钠泵功能
E.动作电位传导速度
[多选题]陈某为赴美国务工,联系“蛇头”王某为其办理“出国手续”,并出于找人作伴的目的,多次联系、劝说其老乡郭某共同到美国务工,并将二人的护照和照片交给王某办理签证和“出境手续”。陈某、郭某二人在王某的指挥下欲从首都机场出境时被查获。经查,郭某属初次偷越国(边)境。以下说法正确的是()。
A.陈某构成组织他人偷越国(边)境罪
B.陈某构成偷越国(边)境罪
C.郭某不构成犯罪,应按偷越国(边)境行为给予治安管理处罚
D.陈某、郭某均不构成犯罪,应按偷越国(边)境行为给予治安管理处罚
[单项选择]社会主义道德的核心是()。
A. 为人民服务
B. 敬业奉献
C. 自由、平等
D. 勤俭自强
[单选题]《中国石化安全风险评估指导意见》规定:各级单位应根据专业力量、分析对象特点、后果发生的()以及风险清单的管控级别,选择不同的风险评价工具。
A.严重性
B.严重性与可能性
C.接受性
D.严重性与接受性
[单项选择]诊断上消化道出血病因的首选方法是()。
A. 胃镜检查
B. X线钡餐检查
C. 选择性血管造影
D. 放射性核素检查
E. 吞棉线实验
[单项选择]()个金产品不可以在交通银行办理个人质押贷款。
A. 储蓄国债
B. 外汇宝
C. 得利宝
D. 黄金定投
[单项选择]在汽机运行中,轴向位移发送器()。
A. 随转子一起移动;
B. 随汽缸一起移动;
C. 不移动。
[单选题]一级动火时,动火部门技术负责人、消防(专职)人员应始终在现场监护。
A.正确
B.错误
[多项选择]下列关于实物期权的表述中,正确的有( )。
A. 从时间选择来看,任何投资项目都具有期权的性质
B. 常见的实物期权包括扩张期权、时机选择期权和放弃期权
C. 放弃期权的执行价格是项目的继续经营价值
D. 项目具有正的净现值,就应当立即开始(执行)
[单选题]1992年党的十四大提出了我国经济体制改革的目标是建立社会主义市场经济体制,经过十四大到十八届三中全会20多年的实践,党对政府和市场的关系有了新的科学定位,提出使市场在资源配置中起( )。
A.决定性作用
B.基础性作用
C.辅助性作用
D.补充性作用
[判断题]AD009 使用管钳转动工件时,管钳的开口要大于工件的直径。
A.正确
B.错误
[单选题]测定某人24小时的尿氮含量为 15g,推算在此期间体内蛋白质代谢所产生的热量是(蛋白质的生物热价为 18kJ/g)(2.0分)
A.1687.5kJ
B.270kJ
C.43.2kJ
D.5.2kJ
E.0.13kJ
[单选题]自动埋弧堆焊电弧长度增大时,电弧电压( )。
A.升高
B.降低
C.不变
[判断题]动火作业使用中的氧气瓶和乙炔气瓶应垂直固定放置,氧气瓶和乙炔气瓶的距离不得小于5米,气瓶的放置地点不准靠近热源,应距明火8米以外。
A.正确
B.错误
[多选题]作业人员应被告知其作业现场和工作岗位存在的()。
A.危险因素
B.设备缺陷
C.防范措施
D.事故紧急处理措施
[单选题]三相五线制提速道岔控制电路中定位表示线为( )线。
A.X1、X3、X4
B.X1、X3、X5
C.X1、X2、X5
D.X1、X2、X4
[单项选择]
"Cool" is a word with many meanings. Its traditional meaning is used to (36) a temperature that is fairly cold. As the world has (37) , however, the word has expanded to (38) many different meanings.
"Cool" can be used to express feelings of (39) in almost anything. When you see a brand-new car in the street, maybe you can’t help (40) , "It’s cool." You might think, "He’s so cool," when you see your (41) footballer.
We all enlarge the meaning of "cool". You can use it (42) many words such as "new" or "amazing." Here’s an interesting story we can see (43) illustrate the usage of the word: A teacher asked her students to (44) the waterfall they had visited. On one student’s paper was just the one (45) , "It’s so cool." (46) he thought it was (47) to describe (48)
A. is used to
B. showing
C. used to
D. explaining
[多选题]放火现场的特点有()。
A.动机明显
B.放火时间和地点有一定规律性
C.突发性
D.有一定的预谋过程
[填空题] Sand covers not just sea-shores, but also ocean beds, deserts and mountains. It is one of the most common substances on earth. And it is a (36)________element in man-made materials too — (37)________is largely sand, while glass is made by melting sand and some other elements.
What exactly is sand In fact, according to the most generally (38)________scheme of measurement, devised by the Massachusetts Institute of Technology, grains qualify as sand if their (39)________is greater than 0.06 of a millimeter and less than 0.6 of a millimeter.
Depending on its age and (40)________, particular sand can consist of tiny pebbles or porous granules. Its grains may have the shape of (41)________or spirals, their edges jagged or smooth. They have come from the (42)________of rocks, or from the skeletons of marine organisms, which accumulate on the (43)________of the oceans, or even from volcanic eruptions.
Usually, the older the granule, (44)________________. The fine, white bea
[判断题]第 688 题, 本小题 1 分
电动的工具、机具应接地或接零良好。
A.正确
B.错误
[单项选择]正常尿液的pH是
A. 中性
B. 酸性
C. 碱性
D. 弱碱性
E. 弱酸性
[单选题]填写操作票时应填写设备的双重名称,即设备( )。
A.名称和位置
B.名称和编号
C.位置和编号
D.名称和表计
[单选题]充分揭示信贷风险中,不需分析、揭示借款人的( )。
A.财务风险
B.信用风险
C.经营管理风险
D.担保风险
[单选题]《客运系统防止触碰红线具体措施》中规定:作业机具,加强站台现场安全卡控。人力车辆货物码放时应遵循“大不压小、重不压轻、方不压圆”的原则,货物码放宽度单侧超出外延不大于( )米,且货物须压缝码放。
A.0.1
B.0.2
C.0.5
D.0.6
[多选题]关于烫伤的处置,正确的有
A.A、无皮损时,冷水或冰水冲浸换出至少10分钟以上,不得直接冰
敷患处
B.B、不得轻易破坏水泡或在烫伤后脱扯衣物,防止人为加重病情
C.C、充分物理降温后方可涂抹烫伤药膏
D.D、抬高烫伤处,减缓肿胀、疼痛
[单选题]作战中,应利用可燃气体检测仪等仪器持续检测,可燃气体浓度接近爆炸下限( ),设为爆炸危险区域。
A.20%
B.25%
C.30%
D.35%
[单选题]机翼积冰将使
A.阻力增加;
B.临界迎角增加;
C.阻力减小,因为机翼表面积冰后,减小了空气与机翼的摩擦阻力。
[单项选择]在Word中,下列关于字符格式的说法中正确的是()。
A. 字符格式化只能格式化字体的大小
B. 只能格式化字体、字体的大小
C. 字符格式化适用于从单个字母到整个文档中的任何内容
D. 加下划线,不属于字符格式化
[判断题]在填写货运险投保单时,投保的险别、币值及其他条件必须与销售合同、信用证上所列保险条件一致。( )
[单选题]教学目标需要体现(____)的统一。
A.目标与手段
B.理论与实践
C.方法与过程
D.态度与价值
[多选题]W300-1型扣件分为( )型。
A.W300-1a
B.W300-1b
C.W300-1c
D.W300-1u
[单选题]在ODN网络中,OLT下行传输波长为()。
A.850nm
B.1490nm
C.1310nm
D.1550nm
[简答题]孔隙性渗透性的好坏通常由孔隙度和渗透率来表示。