热门试题:
[单选题]检修发电机、同期调相机和高压电动机应填用变电站（发电厂）（ ）。
A.第一种工作票
B.第二种工作票
C.事故紧急抢修单
D.带电作业工作票
[单选题][单选]慢性肺源性心脏病肺动脉高压形成最主要的因素为
A.肺部毛细血管床减少
B.血液粘稠度增加
C.血容量增多
D.肺部毛细血管栓子形成
E.缺氧及二氧化碳储留引起的肺小动脉痉挛
[单选题]慢性肾衰竭常见的水、电解质、酸碱失衡类型为
A.代谢性酸中毒、低钙、低钾血症
B.代谢性酸中毒、低钙、低磷血症
C.代谢性碱中毒、高磷、低钾血症
D.代谢性酸中毒、低钙、高磷血症
E.代谢性酸中毒、低磷、低钾血症
[单选题]一条一级数据总线(TOP LINE)断裂时( )
A.所有的解编码组件(DEU)都会失效；
B.只有B型DEU受到影响；
C.只有总线断裂处以后的A型DEU受到影响。
[多项选择]
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甲将其所有的房屋出租给乙，双方口头约定租金为每年5万元，租期30年。但如果甲去世，则合同失效。房屋出租后的第二年，乙为了扩大经营，未经甲同意，对该房屋进行了装修，共花费6万元。一日，一失控的汽车撞到该房屋，致使其临街的玻璃墙毁损，肇事司机驾车逃逸，乙要求甲维修，甲拒绝，乙便自行花费1万元予以维修。现甲乙发生纠纷，均欲解除合同，但就如何解除意见不一。 |
下列说法正确的是( )。
A. 在租赁期间甲欲将房屋出售，甲应当在合理期限内通知乙
B. 若甲将房屋出售，乙在同等条件下享有优先购买权
C. 甲将房屋出售给丙，甲乙之间的租赁合同对丙不产生效力
D. 若甲在租赁期间将房屋抵押，应当征得乙的同意
E. 若甲在租赁期间将房屋抵押，抵押权人行使抵押权不得影响租赁合同的效力
[单项选择]医学研究中，反映一组血清抗体滴度资料的平均水平，常选用( )
A. 算术均数
B. 变异系数
C. 四分位数间距
D. 几何均数
E. 极差
[判断题]牵引变电所的主结线由高压侧结线和低压侧结线两部分组成。( )
A.正确
B.错误
[填空题]部(2008)512号文件要求下心盘直径磨耗不得大于( )mm。上.下心盘直径差不大于( )mm;心盘磨耗面发生垂直偏磨时磨耗面垂直凹凸差不得大于 2 mm。
[多选题]接收到用户报修后，经召测，用户所属配变运行正常，则该报修的研判结果可能为哪些故障？（）
A.客户内部故障
B.低压单户故障
C.低压线路失电
D.配变失电
[单选题]井下变电硐室长度超过〔〕米时，必须在硐室的两端各设1个出口。
A.5
B.6
C.10
D.12
[判断题]县域商品流通市场建设贷款中，新建市场客户的实收资本（开办资金）不得低于1000万元、所有者权益不得低于2000万元。（）
[单项选择]沥青的软化点试验中，以（）的速度加热，至钢球下沉达规定距离（25.4mm）时的温度，以℃表示。
A. （5±0.5）℃／min
B. （5±1）℃／min
C. （5±0.5）min／℃
D. （5±1）min／℃
[填空题]One afternoon, when the lessons were over, John and Mike Green didn’t go home. They{{U}} (11) {{/U}}in school to help their teacher. Their teacher is{{U}} (12) {{/U}}a library in the school and the boys helped him to carry some books. They worked{{U}} (13) {{/U}}. Then the teacher said, "Thank you, boys, we will{{U}} (14) {{/U}}the work tomorrow. Now you must go home." When the boys got home, it was seven o’clock. It was{{U}} (15) {{/U}}outside but there was a light inside their home and the door was open. They could see a man inside.
[单选题]计算机中存储信息的最小单位是____。（易）（基础知识）
A.字
B.字节
C.字长
D.位
[单项选择]
易伤津耗气的病邪是（）
A. 风
B. 寒
C. 火
D. 湿
E. 燥
[多选题] 机场管理机构应当依照国家有关（ ）的规定，保证运输 机场持续符合安全运营要求。
A.法律
B.制度
C.法规
D.技术标准
[判断题]分包企业对各项目部劳务费发放过程进行监督检查，及时纠正和处理劳务费发放中违规问题。（）
[判断题]( )职业技能是做好本职工作的手段,是胜任本职工作的重要条件。
A.正确
B.错误
[单选题]选择制造电缆的绝缘材料时,希望材料的相对介电系数(____)一些。
A.小
B.大
C.不大不小
D.随意
[判断题]企业实行全员安全生产责任制度，法定代表人和实际控制人同为安全生产第一责任人。（ ）
A.正确
B.错误
[判断题]台阶或坡道至地面高度大于或等于2.5m时，应设护栏。
A.正确
B.错误
[单选题]正线、到发线、客车径路曲线及岔后连接曲线正矢检查每（）不少于1次 。
A.月
B.季度
C.半年
D.年
[单选题]232.某高速重载设备保养时，换用了粘度较原来稍低的润滑油，结果使用不久齿轮就发生了失效，试判断最可能了生的哪种失效（）？
A.齿轮折断
B.齿面磨损
C.齿面点蚀
D.齿面胶合
[单选题]室内固定式灯具的安装高度应为( )
A.≥2.5m
B.>2m
C.2m
D.1.8m
[单项选择]上行文是指( )。
A. 向具有隶属关系的上级领导、领导机关报送的文件
B. 向所属被领导机关或组织发出的文件
C. 向一切比本机关级别层次高的机关发出的文件
D. 向一切比本机关级别层次低的机关发出的文件
[单项选择] Cholesterol and Heart Disease
Do you know your cholesterol level Many people don’’t. A high level of cholesterol in the blood is an important risk factor for heart disease.
Some people say that the danger of heart disease is exaggerated. However, heart disease is a main cause of death in developed countries. Every year more than one million Americans have heart attacks, and half of them die. People With heart disease suffer chest pains that make simple activities, such as walking, shaving, or taking a shower, difficult.
Research has proven that cholesterol levels are Connected with heart disease. One project in Massachusetts has studied the same group of men and women since 1948. The researchers have found that the people who have high levels of cholesterol have more heart attacks.
A natural substance in the blood, cholesterol comes from the liver. The amount of cholesterol is affected by diet and by physical qualities we inherit fro
A. Y
B. N
C. NG
[判断题]《铁路技术管理规程》（普速铁路部分）规定：列车须按规定编定车次。上行列车编为双数，下行列车编为单数。在个别区间，使用直通车次时，可与规定方向不符。
A.正确
B.错误
[单项选择]阴虚燥咳宜选（）
A. 半夏
B. 瓜蒌
C. 白芥子
D. 桔梗
[单项选择]上焦生理功能的特点是
A. 若雾露之溉
B. 主气之升发
C. 原气之别使
D. 通行宗、营、卫三气
E. 主宣发与肃降
[多选题]分布式电源当有( )要求时,不应采用无线专网或 GPRSCDMA等无线公网通信方式。
A.遥信
B.遥测
C.遥控
D.遥调
[单项选择]
已知翼缘位于受压区的T形截面尺寸b’i=40cm，b=20cm，，h’i=8cm，ho=46cm，采用20号混凝土，Ⅰ级钢筋，承受计算弯矩Mj=98kN·m。
假定截面为第Ⅰ类T形截面，混凝土受压区高度为6.56cm，计算受拉钢筋截面面积为（）cm
2。
A. 10.52
B. 12.03
C. 11.24
D. 11.58
[多项选择]施工过程的质量验收包括( )。
A. 检验批质量验收
B. 单项工程质量验收
C. 单位工程质量验收
D. 分部工程质量验收
E. 分项工程质量验收
[多项选择]FrontPage的方便功能是（）。
A. 开发网络应用程序
B. 制作网页
C. 电子邮件接收
D. 管理站点
[单项选择]
I heard a knock at the door. I peered through the peephole, and there was my father. As I opened the door, Dad began talking although he seemed strangely out of breath, "The power is out all along the northern east coast. People are saying that something went wrong at Niagara Falls. A power line must have failed."
I was astounded. Power line
I was getting on the elevator, and the door wouldn’t close. I got irritated with it and finally climbed down to the lobby—all nine stories—to find out what the matter was. That was just like Dad to get angry at something that didn’t work.
All of a sudden, we heard people shouting from outside. Dad opened up the window. "Wow, look out there!" Intrigued, I opened another window and looked out. The street was packed with cars whose drivers didn’t know when or where to go. Policemen filled the streets trying to mollify the pandemonium. Right across the road, workers, who ha
A. was shocked by the news that the power was out
B. tried to get on the elevator to go down
C. was likely to get angry at something that went wrong
D. had wanted to have a room on the first floor
