[判断题]储存危险化学品建筑采暖的热媒温度不应过高，可采用机械采暖。

[判断题]导游员在讲解时，既要如实地进行宣传，又要进行适度的夸张。

[单项选择]压力表Y-100MPa2.5型号中100表示的意义为󰀀（）
A. 测量范围（兆帕）
B. 表壳公称直径<毫米>
C. 精度等级

[填空题]金属固态腐蚀产物有（）。

[单选题]综采工作面现场，支架架设应与地板垂直，歪倒应小于( )。
A.±5°
B.±6°
C.±7°
D.±8°

[单项选择]

In the aftermath of the terrorist attack on the World Trade Center, structural engineers are trying hard to solve a question that a month ago would have been completely unthinkable: Can building be designed to withstand catastrophic blasts inflicted by terrorists
Ten days after the terrorist attacks on the twin towers, structural engineers from the University at Buffalo and the Multidisciplinary Center for Earthquake Engineering Research (MCEER) headquartered at UB traveled to ground zero as part of a project funded by the National Science Foundation. Visiting the site as part of an MCEER reconnaissance visit, they spent two days beginning the task of formulating ideas about how to design such structures and searching for clues on how to do so in buildings that were damaged, but still are standing.
"Our objective in visiting ground zero was to go and lo
A. was part of the building close to the World Trade Center
B. was part of the World Trade Center
C. was shot through the window and the floor of the World Trade Center
D. damaged many buildings in the vicinity of the World Trade Center

[单选题]电气设备交接试验报告必须( ),为以后运行、检修和事故分析提供基础性参考数据。
A.网上公示
B.上报调度
C.存档保存

[单选题]题干：后肢太阴经，属（ ）
A.心
B.肝
C.脾
D.肺
E.肾

[单选题]《水运工程混凝土施工规范》对抗冻要求和强度≥C30的混凝土,如对砂的坚固性有怀疑时,应用硫酸钠溶液检验,经浸烘5次循环的失重率不应大于（ ）%。
A.2
B.5
C.8
D.1

[单项选择]没有被石头绊倒过的人是懦夫，但被同一块石头绊倒两次的则是笨蛋。每代年轻人，都有不怕被石头绊倒的______；但作为中华民族，我们也有不被同一块石头绊倒两次的______。 填入划横线部分最恰当的一项是( )。
A. 勇敢 精明
B. 信心 聪明
C. 气魄 睿智
D. 勇气 智慧

[判断题]催化裂化催化剂中基质占小部分。

[单选题]HXD3型电力机车六组牵引变流器其中一组或几组发生故障时可通过TCMS微机显示屏，利用( )将故障的牵引变流器切除。
A.气动开关
B.触摸开关
C.按键开关

[单选题]使用外接气源起动发动机之前，建议的最低供气压力是多少？
A.20psi
B.25psi
C.30psi

[名词解释]碾米

[单项选择]

某机电安装公司承接新建机械厂的用电工程。施工内容包括电气设备安装(电器仪表、继电器、自动控制设备等)、室内外线路的安装。设备安装前检查了随机文件、配电干线采用硬母线、工程项目地处偏僻。电气安装工作施工完毕后对系统和设备进行了试运行。
电力安装严格按照《电力法》的相关规定执行。

在电气设备的接地中，为防止因电气设备绝缘损坏而使人身遭受触电的危险，见电气设备的金属外壳与变压器中性线连接称为（）。
A. 阴极保护接地
B. 工作接地
C. 零保护
D. 重复接地

[判断题]动火作业，尽可能地把动火时间和范围扩展到最高限度。
A.正确
B.错误

[简答题]就目前观察，宇宙空间含量最多的元素是：

[单项选择]休克的预防措施中不正确的是（）
A. 止痛
B. 止血
C. 骨折病人及时外固定
D. 积极有效地控制感染
E. 早期应用升压药物

[单选题]配电线路带电作业中，不允许作业人员穿戴屏蔽服和导电手套，采用等电位作业方式进行作业。（）
A.正确
B.错误
C.
D.
E.略

[单项选择]对葡聚糖-泛影葡胺（Ficoll）等密度梯度离心法说法正确的是（）.
A. 可将单个核细胞与其他血细胞分离
B. 根据淋巴细胞的体积大小进行分离
C. 可将B细胞与T细胞分开
D. 根据淋巴细胞的表面标记进行分离
E. 能将T细胞从其他淋巴细胞中分离出来

[单选题]1动力配电线五线制U、V、W、零线、地线的色标分别为（）
A.蓝、双色线、黄、绿、红
B.黄、绿、红、蓝、双色线
C.双色线、黄、绿、红、蓝
D.红、蓝、双色线、黄、绿

[简答题]人员下道避车时应____列车认真瞭望，防止列车上的抛落、坠落物或绳索伤人。

[单项选择]女性，16岁，因食过多桔子造成血中胡萝卜素增高，患者出现的皮肤粘膜黄染，首先常见于（）。
A. 手掌、足底
B. 巩膜
C. 口腔粘膜
D. 躯干
E. 耳后

[判断题] 目前较为常见的阀门密封面堆焊方法有气焊、焊条电弧堆焊、钨极氩弧堆焊和等离子弧堆焊等方法。
A.正确
B.错误

[判断题]双工通信方式中，基地台对移动台是发低收高
A.正确
B.错误

[填空题]好干部五个标准:()()()()();

[单项选择]

Some students at the Open University left school 20 years ago. (36) are younger but all must be at least 21 years old. This is one example of (37) the Open University is different (38) all the others. Its students must (39) work fulltime or be at home all day. They do not have to (40) any examinations before they are (41) . This is why the university is called "open". It was started (42) order to help people who (43) having a university education when they were young. The first name (44) the open university was "the University of the Air". The idea was to teach (45) the air, in other (46) , on radios and the television. (47) of the teaching is done like this. The student also receives (48) at one of 283 study centers in the country. He must also (49) three weeks every summer as a (50) student. Tutors and students (51) and study together, (52) <
A. to
B. with
C. for
D. by