热门试题:
[单项选择]{{B}}Passage Three{{/B}}
What can be inferred from the passage
A. There is no obvious reason for the unbalanced distribution of dyslexia in the world.
B. The existing theories about dyslexia are solid and conclusive.
C. There are underlying reasons for the differences with dyslexic problems with different peoples.
D. The relatively lower number of its people suffering from dyslexia in Japan may be attributed to its reading and writing system.
[单选题](1.0分)操作平台的面积不应超过(),高度不应超过(),还应进行稳定验算,并采取措施减少立柱的长细比。
A.15m² 10m
B.10m² 5m
C.15m² 8m
D.10m² 10m
[单选题]在实行项目法人责任制的项目中,属于项目总经理职权的是( )。
A.组织编制项目初步设计文件
B.提出项目开工报告
C.提出项目竣工验收申请报告
D.审定债务偿还计划
[单选题]当线路连续出现碎弯并有胀轨迹象时,必须加强巡查或派专人监视,观测轨温和线路方向的变化;若碎弯继续扩大,应设置慢行信号防护,进行( )。
A.临时处理
B.紧急处理
C.夯拍道床处理
D.拨顺线路方向
[单选题]他汀类调脂药的降脂机制为
A.抑制磷酸二酯酶
A.抑制3-羟基-3-甲基戊二酰辅酶A还原酶(HMG-Co
B.
C.抑制血管紧张素转换酶
D.激活3-羟基-3-甲基戊二酰辅酶A还原酶
E.以上均不是
[单选题]生产装置设置围堰的目的是()。
A.防止物料扩散
B.警戒
C.防止雨水流入
[判断题](45104)( )线路设备大修验收单位,铺设无缝线路为一个区间。( )(1.0分)
A.正确
B.错误
[判断题] 判断题 《民用航空电信人员执照管理办法》适用于执照申请人的考试、考核,执照的申请、受理、颁发与管理,以及执照的监督检查。
A.正确
B.错误
[单选题](JLY-CC04)浮顶起浮前最低点通常用( )来表示。
A.浮顶底部最低点与参比水平面之间的垂直距离
B.浮顶底部最低点与罐底最低点之间的垂直距离
C.浮顶底部最低点与罐底基准点之间的垂直距离
D.浮顶底部最低点与罐底中心点之间的垂直距离
[单选题]水压试验是为了鉴别锅炉受压元件的()
A.强度
B.硬度
C.严密性
D.强度和严密性
[单项选择]在COD的测定中,加入Ag2SO4-H2SO4溶液,其作用是( )。
A. 杀灭微生物
B. 沉淀Cl-
C. 沉淀Ba2+、Sr2+、Ca2+等
D. 催化剂作用
[单选题]-B-001 3 2 3
攻螺纹前的底孔直径必须( )螺纹标准中规定的螺纹小径。
A.小于
B.大于
C.等于
D.不大于
[单选题]一般情况下,使用调高垫板调线路水平时,每处调高垫板不得超过( )。
A.l块
B.2块
C.3块
D.4块
[判断题]基建单位的工作票签发人及工作负责人名单应事先送有关设备运维管理单位( 部门)、 调度控制中心备案。
A.正确
B.错误
[单选题]单选题( ) 下列钢筋的机械性能中属于塑性指标的是( )。
A. 屈服点和抗拉强度
B. 伸长率和冷弯性能
C. 抗拉强度和伸长率
D. 屈服点和冷弯性能
[单项选择]关于不同检查方法显示肺栓塞的最早时间,正确的排序为()
A. 显微镜下变化早于大体解剖变化,早于胸部X线变化,早于肺灌注显像表现
B. 显微镜下变化早于大体解剖变化,早于肺灌注显像表现,早于胸部X线变化
C. 肺灌注显像表现早于显微镜下变化,早于胸部X线变化,早于大体解剖变化
D. 肺灌注显像表现早于显微镜下变化,早于大体解剖变化,早于胸部X线变化
E. 显微镜下变化早于肺灌注显像表现.早于大体解剖变化,早于胸部X线变化
[单选题]遥控操作、程序操作的设备应满足有关()。
A.A.技术条件
B.B.安全条件
C.C.安全要求
D.D.流程要求
[判断题]低压电气工作,未经验明确无电压,不宜触碰导体的裸露部分。
A.正确
B.错误
[单项选择]当一个应用程序窗口被最小化以后,该应用程序将( )。
A. 被终止执行
B. 被转入后台执行
C. 被暂停执行
D. 都有可能
[单项选择]Paleontologists hypothesize that modern birds evolved from the family of dinosaurs that included Tyrannosaurus rex. This hypothesis would be strongly supported if evidence that dinosaurs from this family had a body covering resembling feathers could be found, but so far no such evidence has been found.
Which of the following, if true, would most help the paleontologists explain why no evidence of feathered dinosaurs has yet been found ?()
A. Fossilized dinosaurs have shown many birdlike characteristics, such as bone structure and winglike arms.
B. If birds are in fact the descendants of dinosaurs, then it can be argued that the dinosaurs never really died out.
C. Flying dinosaurs such as the Pteranodon, which is not thought to have been related to modern birds, do not appear to have had feathers.
D. Soft tissues such as skin and feathers do not fossilize like bones, and therefore are far less likely to have left permanent evidence in the fossil record.
E. The thousands of dinosaur fossils excavated by paleontologists represent only a tiny fraction of the billions of dinosaurs that once lived.
[判断题]成段破底清筛前,应根据既有线路情况和清筛施工要求预卸足够的道砟。
A.正确
B.错误
[单项选择]对于工作范围很难确定,咨询工程师可以建议项目业主采用的合同类型是( )。
A. 固定总价合同
B. 计量与估价合同
C. 成本加酬金合同
D. 设计—建造合同
[判断题]低压电气工作时,拆开的引线、断开的线头应采取绝缘包裹等遮蔽措施。
A.正确
B.错误
[单选题]补充计划需经部门对口的( )或经其授权由他人审核签字后方可申报。
A.施工管理工程师
B.专业工程师
C.中心(
D.计划工程师
[单选题]道岔的水平用( )测量。
A.轨距尺
B.支距尺
C.直板尺
D.塞尺
[单选题]设备维护商进行设备维护维修时,需更换或拆卸的硬盘,由( )负责保管或进行数据销毁等。
A.支行科技与产品管理部门
B.支行运营管理部门
C.营业网点
D.支行安全保卫部门
[多选题]根据劳动法,下列表述正确的有()。
A.劳动合同期限是劳动合同的必备条款之一
B.劳动者在试用期内可以随时通知用人单位解除劳动合同
C.劳动者被依法追究刑事责任的,用人单位可以解除劳动合同
D.试用期最长不得超过6个月
[判断题]高压试验前,司机应确认高压室、变压器室、地沟内、机车下部无作业人员,本班人员处于安全位置。
A.正确
B.错误
[单选题](44363)43kg/m钢轨每米钢轨质量( )Kg。
A.60.64
B.74.414
C.44.653
D.51.514
[单项选择]适用于电机容量较大且不允许频繁启动的降压启动方法是()。
A. Y一△
B. 自耦变压器
C. 定子串电阻
D. 延边三角形
[单选题]触碰涉及高铁、客车安全红线的,对直接责任者按职工奖惩、安全事故考核及责任追究办法、安全红线管理相关办法给予相应处分及处理,同时办理( )的相关手续。(1分)
A.退出岗位
B.内部待岗
C.记过处分
D.解除劳动合同
[判断题][判断]为了安全使用,施工现场不同使用功能临时用房应分开建造,如现场办公用
房、宿舍不应组合建造。
A.正确
B.错误
[单项选择]
As one works with color in a practical, or experimental way, one is impressed by two apparently unrelated facts. Color as seen is a mobile, changeable thing (1) to a large extent on the relationship of the color (2) other colors (3) simultaneously. It is not (4) in its relation to the direct stimulus which (5) it. On the other hand, the properties of surfaces that give (6) to color do not seem to change greatly under a wide variety of illumination color, usually (but not always) looking much the same in artificial light as in daylight. Both of these effects seem to be (7) in large part to the mechanism of color (8) .
When the eye is (9) to a colored area, there is an immediate readjustment of the (10) of the eye to color in and around the area (11) . This readjustment does not promptly affect the color seen but usually does affect the next area to which the (12) is shifted. The longer the
A. cheer
B. sense
C. gaze
D. thought
[单项选择]急性前壁心肌梗死时出现梗死图形的导联是()
A. Ⅱ、Ⅲ、aVF
B. Ⅰ、aVF
C. V1、V2、V3
D. V4、V5、V6
E. I、aVL、V5、V6
[单项选择]患者面颊暗红,口唇发绀。查体:心尖部有舒张期震颤。应首先考虑的是()
A. 肺心病
B. 高血压性心脏病
C. 甲亢性心脏病
D. 风心病
E. 冠心病