[单项选择]下列组织代谢产物中，舒张冠状血管作用较强的是（）
A. CO₂
B. 乳酸
C. 腺苷
D. H⁺
E. K⁺

[判断题]机车各安全保护装置和监督、计量器具不得盲目切拆除及任意调整其动作参数。( )
A.正确
B.错误

[单选题]当超长列车尾部停在警冲标外方，接入相对方向的列车时，在进站信号机外制动距离内进站方向为超过（ ）‰的下坡道，而接车线末端无隔开设备，须使列车在站外停车后，再接入站内。
A.2.5
B.4
C.6
D.12

[单项选择]It may be just as well for Oxford University’s reputation that this week’s meeting of Congregation, its 3 552-strong governing body, was held in secret, for the air of civilized rationality that is generally supposed to pervade donnish conversation has lately turned fractious. That’s because the vice-chancellor, the nearest thing the place has to a chief executive, has proposed the most fundamental reforms to the university since the establishment of the college system in 1249; and a lot of the dons and colleges don’ t like it.
The trouble with Oxford is that it is unmanageable. Its problems—the difficulty of recruiting good dons and of getting rid of bad ones, concerns about academic standards, severe money worries at some colleges—all spring from that. John Hood, who was recruited as vice-chancellor from the University of Auckland and is now probably the most- hated antipodean in British academic life, reckons he knows how to solve this, and has proposed to reduce the power of d
A. the current financial status of Oxford results from its being state-funded
B. radical reforms concentrate on Oxford management structure
C. Oxford independence might become a barrier to its recruiting good dons
D. notorious reputation results in Oxford meeting of Congregation held this week

[单项选择]关于数据库管理系统，下面说法不正确的是
A. 数据库管理系统是一组软件
B. 数据库管理系统负责对数据的定义和操纵
C. 数据库管理系统包括数据库
D. 数据库管理系统负责对数据库的控制

[单选题]消防救援人员进入同级或者其他人员室内前，应当如何做？
A.应当敲门，后直接进入
B.应当敲门并喊“报告”
C.无人时刻直接进入
D.以上选项均不对

[多选题]通常以下 ( )试样可以作为成品的一部分，不经过机加工。
A.直径 3mm 板材
B.厚度 3mm 线材
C.直径 3mm 棒材
D.厚度 3mm 型材

[单项选择]患者男，27岁，既往有消化道溃疡病史4年，突发上腹部刀割样疼痛，迅速蔓延至全腹，服抗生素后不能缓解，症状加重，6h后于急诊求治。经腹部X线平片诊断为：急性弥漫性腹膜炎，消化性溃疡穿孔。患者于入院半小时后出现烦躁表现，血压70/40mmHg，发生这种状况的原因是（）。
A. 脱水和电解质紊乱
B. 细菌毒力强
C. 心肺功能障碍
D. 吸收大量毒素和血容量下降
E. 血浆蛋白降低

[多选题]南方电网公司《厂站电能量采集终端技术规范》（Q/CSG 11109001-2013）规定终端应具备四种以上常用规约的各种电能表的接入能力电表规约应包括（）、（）、（）、DLMS、ABB、EDMI、ION、ANSI等国内外主流电表厂商以及南方电网范围内已使用的电表规约支持电表规约库升级。
A.A.DL/T645-1997
B.B.DL/T645-2007
C.C.IEC1107
D.D.ISO2001

[填空题]回转机构中经常需要更换（ ）和所有托辊、回转减速机的三对齿轮以及立轴下的跑轮和大齿圈。

[简答题]什么是外部行政法律关系，主要特征是什么？

[单选题]局、总队每()，支队每()，至少组织分析一次基层建设形势，提出目标、任务、措施和要求。
A.年，季度
B.年，月
C.半年，季度
D.半年，月

[单项选择]下列正常分娩机转哪项正确
A. 衔接：无论初产妇、经产妇儿头均于临产后衔接
B. 俯屈：大囟门下降到最低位置
C. 内旋转：大囟门转向母体前方
D. 仰伸：颜部紧贴胸部
E. 外旋转：胎头为保持与肩的正常关系而进行旋转复位