热门试题:
[单选题]测控装置遥控失败，在监控后台出现遥控超时，问题一般出现在遥控(_)环节。
A.执行
B.激活
C.反校
D.撤销
E./
F./
[单选题]女性，50岁，间断冬春季咳嗽、咳痰5年，活动后气促2年。既往吸烟10年余。为了明确患者是否患有慢性阻塞性肺疾病，下列哪种检查最有意义
A.心电图
B.胸部高分辨CT(HRCT)
C.血气分析
D.胸部X线片
E.肺功能
[单项选择]有关肘关节脱位的叙述错误的是（）。
A. 肘脱位后肘后三角关系改变
B. 肘后脱位多因间接暴力造成
C. 可伴有侧方脱位
D. 肘分裂型脱位少见
E. 分裂型脱位不累及环状韧带
[单项选择]在焊接中，同时加热、加压的焊接方法称为（）。
A. 气焊
B. 电弧焊
C. 电焊
D. 压焊
[单选题]1.9 报废的_______、大型客车、中型以上货车及其他营运车辆应当在公安机关交通管理部门的监督下解体。
A.校车
B.中型客车
C.进口机动车
D.专项作业车
[单选题]当高炉采用富氧鼓风后,煤气中含氮量降低,煤气热值( )。
A.提高
B.不变
C.下降
D.不确定
[单项选择]与甘草相反的药物是( )
A. 瓜蒌
B. 藜芦
C. 海藻
D. 贝母
E. 半夏
[多选题]169.接头现场抽检项目应包括极限抗拉强度试验.加工和安装质量检验。抽检应按验收批进行，（）接头应以500个为一个验收批进行检验与验收，不足500个也应作为一个验收批。
A.同钢筋生产厂
B.同强度等级
C.同规格
D.同类型
E.同型式
[单项选择]下列何者型式之转向齿轮其方向盘复原性最佳？（）
A. 蜗杆与扇形齿轮式
B. 蜗杆与凸轮摇臂式
C. 蜗杆与滚轮式
D. 循环滚珠螺帽式
[填空题] Shopping habits in the United States have changed greatly in the last quarter of the 20th century. 【B1】 in the 1900s most American towns and cities had a Main Street. Main Street was always in the heart of a town. This street was 【B2】 on both sides with many 【B3】 businesses. Here, shoppers walked into stores to look at all sorts of merchandise: clothing, furniture, hardware, groceries. 【B4】, some shops offered 【B5】. These shops included drugstores, restaurants, shoe-repair stores, and barber or hair-dressing shops. 【B6】 in me 1950s, a change began to 【B7】. Too many automobiles had crowded into Main Street 【B8】 too few parking places were 【B9】 shoppers. Because the streets were crowded, merchants began to look with interest at the open spaces 【B10】 the city limits. Open space is what their car-driving customers needed. And open space is what they got 【B11】 the first shopping centre was built. Shopping centres, or rather malls, 【B12】 as a collection of small new stores 【B13】 crowded
A. A．started
B．founded
C．set up
D．organized
[填空题]正线上不应停留（ ）。（应知应会-《技规》第356条）
[单项选择]
Here is the story of rubber. From the earliest time it was common knowledge to the Peruvians(秘鲁人)that when a cut was made in the outside skin of a rubber tree, a white liquid like milk came out, and that from (21) a sticky mass of rubber might be made. This rubber is (22) when warm, so that it is possible to give it any (23) . The Peruvians made the (24) that it was very good for keeping out the wet. Then in the early 1800’s, the Americans made use of it for the first time. First they made overshoes to (25) their feet dry. Then came a certain Mr. Mackintosh, who made coats of cloth covered with natural rubber. From that day to this we have been coating cloth with rubber as Mr. Mackintosh (26) , and our raincoats are still named after (27) .
These first rubber overshoes and raincoats were all soft and sticky (28) summer, and hard and inelastic (没有弹性的)in the winter (29) it was cold. (30) the rubber
A. being called
B. calling
C. called
D. having called
[单项选择]量尺：厘米
A. 时间：小时
B. 天平：千克
C. 电话：号码
D. 细胞：显微镜
[单项选择]在我国，代表国家对国有资产履行出资人职责的机构是各级（）
A. 统计局
B. 税务局
C. 发改委
D. 国资委
[判断题] ( )反馈分为正反馈和负反馈。
A.正确
B.错误
[单项选择]与牙周炎发生发展有关的全身疾病如下，除外（）
A. 糖尿病
B. 血液疾病
C. 遗传疾病
D. 骨肿瘤
E. 慢性肾病
[单选题]我国在人工授精和体外授精技术应用上的严防商品化原则要求( )
A. 医务人员应严格掌握适应证，不能受经济利益驱动实施辅助生殖技术
B. 受方夫妇作为孩子的父母，承担孩子的抚养和教育
C. 医疗机构与医务人员对捐赠者和受者的有关信息保密
D. 医务人员告知捐赠者不能追问受者与出生后代的信息
E. 一个供精者的精子最多只能提供给5名妇女受孕
[多项选择]安全生产事故中，调查组的职责有哪些（）
A. 查明事故发生的原因、过程和人员伤亡、经济损失情况
B. 确定事故责任者
C. 提出事故处理意见和采取措施建议
D. 写出事故调查报告
[判断题]T特种作业操作证每三年复审一次。( )
A.正确
B.错误
[判断题]如果测定的吸收塔内循环浆液的pH值低于规定值，应将石灰石浆液流量适量增加。
A.正确
B.错误
[单选题]【单选题】电力线路过电流保护动作时间的整定采取阶梯原则,时限阶段差Δt一般设置为()。
A.0.3s
B.0.5s
C.0.8s
[判断题]《空调列车服务质量规范》规定：配备保险柜，营运进款结算准确，票据、现金及时入柜加锁，到站按规定交款。
A.正确
B.错误
[单项选择]颅脑CT扫描的扫描基线不包括（）
A. 听眦线
B. 听眉线
C. 听眶线
D. 听鼻线
E. 眶耳线
[单选题]柱上隔离开关安装，下列说法错误的是( )。
A.瓷件（复合套管）外观应良好、干净；
B.进行分合试验操作时机构灵活，经分合操作 3次以上，指示正常；
C.动静触头宜涂抹润滑膏，极寒地区应考虑温度影响；
D.设备技术性能、参数应符合设计要求各项电气试验合格。
[单项选择]泡桐丛枝病由（）引起。
A. 植原体
B. 病毒
C. 细菌
D. 真菌
[单选题]（ ）也适用于经营暂时陷入困难的以及有破产风险的公司对于资产包含大是现金的公司是更为理想的估值指标。
A.市盈率
B.市净率
C.市现率
D.市销率
[填空题]分析纯( )试剂的标签纸的颜色是红色的。(√)
[单项选择]预应力筋张拉时，应从零拉力加载至初拉力后，量测伸长值初读数，再以均匀速率加载至张拉控制力。对塑料波纹管成孔管道，达到张拉控制力后，宜持荷（）
A. 1min～2min
B. 2min～3min
C. 2min～5min
D. 3min～5min
[单选题]电力线路的检电应______进行。
A.单相
B.开关
C.逐相
D.线端
[单项选择]以下不属于证券自营业务风险的是( )。
A. 法律风险
B. 市场风险
C. 政策风险
D. 经营风险
[单选题]室内不得存放超过( )公斤的汽油。
A.1.5
B.1
C.0.5
D.2
[判断题]键盘中的Ｃtrl键单独使用时，计算机无任何反应。
[单项选择]汽轮机正常运行时，应控制润滑油温在（）℃。
A. 38～40
B. 40～45
C. 45～50
D. 35～45
[单项选择]某农产品价格下降10%时，需求量增加25%，这种农产品的需求弹性系数为（）。
A. 0.4
B. 04
C. 2.5
D. 0.1
[单选题]当使用三菱 Q 系列以太网模块 QJ71E71 时,用中断程序接收应当使用( )指令。
A.BUFRCV
B.BUFRCVS
C.BUFSEND
D.OPEN
[单项选择]Questions 52 to 56 are based on the following passage.
Picasso’s art was not just a pleasant distraction. The artist believed that art helps to penetrate further into the world and into men for understanding. With his unusually acute senses, with his intense, black eyes, Picasso saw every subject as no one else did. He tried to express the essence of his subject. He showed people how to grasp a new concept of beauty. He made them realize that beauty can have a diversity of forms. "Now is the time in this period of change and revolution to use a revolutionary manner of painting and not to paint like before." That was Picasso’s idea. Believing it is the artist’s function to discover new forms of expression, he liberated art and made our feelings about it more acute.
Picasso keeps all of art alive. His work encompasses ’all of the past and foretells the future of art. His early paintings were sober and sensible, in the academic style. But Picasso was among the first
A. It is the world of dreams experienced by Picasso.
B. It expresses the painters’ good will for world peace.
C. It had never been explored by anyone before Picasso.
D. Guernica was the best illustration of the surrealist world.
[单选题]接触网高空作业人员需要取得何种资格（）
A.高处安装、维护、拆除作业资格证
B.安全等级4级
C.接触网上岗证
D.登高架设资格证
[单项选择]兴奋的突触传递中，“脊髓α-运动神经元与来自它所支配的肌肉的初级传入纤维形成兴奋性突触联系，与来自拮抗肌的初级传入纤维形成抑制性突触联系”属于（）
A. 突触易化
B. 突触强化
C. 突触可塑性
D. 突触后电位
E. 长时程强化
[单选题]疾病统计是指
A.研究生产劳动条件对疾病发生及蔓延的影响
B.研究疾病与社会发展的相互关系
C.研究疾病在人群中的发生发展、流行分布特点
D.研究疾病的病因
E.以上均正确
