热门试题:
[多选题]地下配电站,宜装设()装置,配备足够数量的消防器材或安装自动灭火系统。
A.测温
B.通风
C.排水
D.除湿
[单项选择]表示胶片受到一定量X射线照射，显后的底片黑度是多少的曲线叫做（）
A. 曝光曲线
B. 灵敏度曲线
C. 特性曲线
D. 吸收曲线
[单选题]有关急性播散性脑脊髓炎的辅助检查，以下哪种说法正确
A.脑电图多有局灶性慢波活动的变化
B.体感诱发电位多数无异常
C.脑CT早期即可发现明显脑萎缩
D.脑MRI可见脑灰质内多发性异常信号，也可见侵犯基底节及脊髓
E.脑脊液寡克隆抗体阳性，髓鞘碱性蛋白大多阳性
[单选题]输送机打滑的原因之一是( )
A.接头质量差
B.拉紧力小
C.轴承欠油。
[单选题] 在下列焊接缺陷中,对脆性断裂影响最大的是( )。
A.咬边
B.内部圆形加渣
C.圆形气孔
[单项选择]凡货、样不能做到完全一致的商品，一般都不适宜凭（）买卖。
A. 规格
B. 号码
C. 标准
D. 样品
[单项选择]根据现行部颁定额，高压旋喷定额按高压摆喷定额乘（）的系数。
A. 0.75
B. 0.95
C. 1.15
D. 1.25
[判断题]为了从客户沟通中收集正确的信息,常采用的最佳提问方式是开放式提问。( )
A.正确
B.错误
[单选题]在Windows资源管理器的右窗格中，要显示出对象的名称、大小等内容，应选择( )显示方式。
A.小图标
B.大图标
C.列表
D.详细资料
[多选题]高速铁路电力设备维修，对所有密封设备（）。
A.只检测，不维修
B.重检修，轻维修
C.发现密封设备内部问题应整体更换
D.发现密封设备内部问题应着重检修故障点
[单选题]在带电的电压互感器二次回路上工作，应采取措施防止电压互感器二次侧（）或接地。
A.A.断路
B.B.短路
C.C.开路
D.D.合上
E.略
F.略
G.略
[单项选择]下列内容中，不在“其他应收款”科目核算的是（）。
A. 应收的各种赔款、罚款
B. 应收的发运商品代垫运费
C. 应收出租包装物租金
D. 租入包装物支付的押金
[单项选择]下列何种药物是二线抗结核病药物（）
A. 利福平
B. 异烟肼
C. 对氨水杨酸
D. 吡嗪酰胺
[单项选择]有限责任的概念（）。
A. 仅适用于非上市公司
B. 仅适用于上市公司
C. 适用于所有的公司制企业
D. 适用于所有的非公司制企业
[单选题]在折光率表示中要注明测定时的温度和波长,一般测定温度和应用波长为( )。
A.40℃,589.3nm 的钠光
B.40℃,520nm 的钠光
C.20℃,520nm 的钠光
D.20℃,589.3nm 的钠光
[单项选择]The team really looks good tonight because the coach had them ______ every night this week.
A. practice
B. to practice
C. practiced
D. practicing
[单项选择]First Aid
The main purpose of first aid is to provide proper care to suddenly iii or injured persona until medical help becomes available or, for problems that do not need a physician’ s attention.
Even a child can save a life by knowing what m do. For example, by rolling an unconscious person’s head to one side, anyone can save that person from drowning in his own saliva or choking on his tongue. Many first-aid techniques are as simple, Others require preparation in advance, but almost anyone can learn most of the important roles and methods.
PART Ⅰ: Basle Rules
1. Do not panic: control your emotions. Then reassure the victim if he or she is conscious,
2. Ask for help. Send someone to call a physician, the police or fire department, or an ambulance, Ask others to stop traffic, get supplies, control crowds, etc. If you are alone, go for help only after you have completed the most urgent first-aid measures.
3. Move the victim out o
A. The victim is unconscious.
B. You feel no pulse.
C. The chest does not rise and fall.
D. All of the above.
[单项选择]在气压梯度力和地转偏向力共同作用下，风向最终（）
A. 与等压线垂直
B. 平行与等压线
C. 与等压线斜交
D. 呈旋涡似的风
[单选题]依据所含的主要化学成分，药材乳香和没药的树脂类型均为
A.香树脂
B.酯树脂
C.胶树脂
D.油胶树脂
E.混合树脂
[填空题]数据库中，每个事务都感觉不到系统中其他事务在并发执行，这一特性称为事务的______。
[单选题]党的性质决定党的( )
A.宗旨
B.任务
C.目标
D.阶级
[判断题]气蚀是由于液体温度过高而形成的。( )
A.正确
B.错误
[判断题]GCY-300Ⅱ型轨道车车轴齿轮箱为二级结构:一级车轴齿轮箱(0307型)和二级车轴齿轮箱(0306型)。一级车轴齿轮箱由上、下箱体组成。二级车轴齿轮箱由上、中、下三个箱体组成。( )
A.正确
B.错误
[多项选择]某股份有限公司因进行技术改造需要一笔资金，就以其享有的一项实用新型专利权作为质押，向银行申请了200万元人民币的贷款，在签订了贷款合同和质押合同后，双方即向有关部门办理了出质登记手续。则以下说法正确的是：
A. 该质押合同自办理质押登记手续时生效
B. 该质押合同自该公司向银行交付专利证书时生效
C. 质押合同生效后，该公司不得转让或者许可他人使用该项专利权
D. 质押合同生效后，该公司可以转让或者许可他人使用该项专利权，但是应当经过银行同意
[单选题]ADJUVANT中吉非替尼组可延长患者的mDFS至___个月：
A.10.7
B.18
C.28.7
D.32.5
[单项选择]Which of the following is NOT true of the world's economic blocs
A. There is free movement of goods across borders in North America.
B. East Asia is the area with the most extensive cooperation.
C. The three blocs have taken measures, to fight against competitors from the outside.
D. Ford cars running in the U.S. might be manufactured abroad.
[单项选择]
Shopping for clothes is not the 1 experience for a man as it is for a woman. A man goes shopping because he needs something. His purpose is settled and decided in 2 He knows what he wants, and his objective is to find it and buy it; the price is a secondary 3 : All men simply walk into a shop and ask for what they want. If the shop has it in 4 , the salesman promptly produces it, and the business of 5 it on proceeds at once. And if all 6 well, the deal can be and often is completed in less than five minutes, with no chat and to everyone"s satisfaction.
Now how does a woman go out buying clothes Her shopping is not always 7 on needs. She has 8 fully made up her mind what she wants, and she is only "having a look 9 " She is always open to 10 , indeed she sets great store by what the salesman tells her, even by what companions tell her. She will try on any number of things. Uppermost in her mind 11 the thought of finding something that everyone thinks suits her. 12 to a lot of jokes, most women have an excellent sense of value when they buy clothes. They are always in the lookout for the unexpected 13 Faced with a roomful of dresses, a woman may easily 14 an hour going from one rail to another, to and fro, often retracing her steps, before selecting the dresses she wants to try on. It is a laborious process, but apparently an 15 one. Most dress shops provide chairs for the waiting husbands.
（12）处应填写（）
A. According
B. As
C. So as
D. Contrary
[单选题]与Ⅰ型超敏反应无关的成分是
A.输血反应
B.肥大细胞
C.嗜酸性粒细胞
D.IgE
E.嗜碱性粒细胞
[单选题]高锰钢整铸辙叉心宽40mm 断面处，辙叉心垂直磨耗(不含翼轨加高部分)，60kg/m 及以上钢轨在到发线上超过( )时应注意检查观测。
A.4mm
B.5mm
C.6mm
D.8mm
[单选题]146. 无人机系统通讯连路主要包括:指挥与控制(C. &C. )()、感知和规避(S&A)三种链路
A.A.空中交通管制(ATC)
B.B.视频通信
C.C.通信中继
[填空题]向变电所的母线空充电操作时,有时出现误发接地信号,其原因是变电所内三相带电体对地（ ）不等,造成中性点（ ）,产生较大的零序电压。
[单选题]电力电子开关和机械开关比具有速度快、无触点、寿命长和( )的特点。
A.电压器
B.电容
C.体积小
D.可以频繁通断
[单选题]票据存根联和票据登记薄一般保管期为( )
A.2 年$
B.$3 年$
C.$4 年$
D.$5 年
[单选题]下列细菌可产链激酶，透明质酸酶，链道曲酶的是（ ）
A.肺炎链球菌
B.大肠埃希菌
C.A群链球菌
D.肺炎克雷伯菌
E.鲍曼不动杆菌
[单选题]某段无缝线路长1500m，20℃锁定，顺向爬行量为30mm(在长轨端处测量)，钢轨轨温变化度数为( )。
A.1.7℃
B.2.5℃
C.18.3℃
D.无法算出
E.略
[单选题]( )是电焊作业人员常见的职业性眼外伤,主要由弧光照射.紫外线辐射引起。
A.白内障
B.红眼病
C.电光性眼炎
