热门试题:
[多选题]在一回进线存在危险点（源），可能影响供电可靠性的情况下，其变电站全部负荷可临时调至另一条进线供电，启用线路备自投方式。待危险点（源）消除后，变电站恢复（ ）方式
A. A.桥式备自投
B.B.分段备自投
C.C.母联备自投
D.D.线路备自投
[单选题]败血症使用抗菌药物的疗程为
A.症状消失后续用2～3天
B.控制1～3天即可停药
C.病情好转，体温正常7～10天再停药
D.疗程可达4～8周
E.疗程可达3～4周
[单项选择]企业购入债券时发生的手续费等相关税费金额较大时，应通过“长期债权投资”下的 ( )科目核算。
A. 债券面值
B. 溢折价
C. 应计利息
D. 债券费用
[单项选择]Never ______ what you cannot do interfere with what you can.
A. make
B. take
C. see
D. let
[单项选择]装置中贮存的易燃易爆物料（），明火加热或操作温度达到（）以上，则火灾爆炸的危险性就（）。
A. 越多；自燃点；越大
B. 越多；自燃点；越小
C. 越少；自燃点；越大
D. 越多；自燃点；消除
[单选题]( )可用于操作高压跌落式熔断器、单极隔离开关及装设临时接地线等。
A.绝缘手套
B.绝缘鞋
C.绝缘棒
[单项选择]下列选项中，属于城市近期建设规划强制性内容的是（）。
A. 确定近期人口和建设用地规模，确定近期建设用地范围和布局
B. 确定各项基础设施、公共服务和公益设施的建设规模和选址
C. 依据城市近期建设重点和发展规模，确定城市近期发展区域
D. 确定近期交通发展策略，确定主要对外交通设施和主要道路交通设施布局
[单选题]顶杆及叉杆只能用于竖立()以下的拔梢杆，不准用铁锹、桩柱等代用顶杆及叉杆。
A.8m
B.9m
C.10m
D.12m
[多选题]彩色混凝土面层适用于街道人行路面、(____)等。
A.步行小道$
B.$广场$
C.$公园$
D.$游乐场
[单项选择]More than 6,000 children were expelled (开除) from US school last year for bringing guns and bombs to school, the US Department of Education said on May 8.
The department gave a report to the expulsions (开除) as saying handguns accounted for 58% of the 6,093 expulsions in 1996—1997, against 7% for rifles (步枪) or shotguns and 35% for other types of firearms.
"The report is a clear sign that our nation’s public schools are cracking down (严惩) on students who bring guns to school," Education Secretary Richard Riley said in a statement.
In March 1997, an 11-year old boy and a 13-year old boy using handguns and rifles shot dead four children and a teacher at a school in Arkansas. In October, two were killed and seven wounded in a shooting at a Mississippi school. Two months later, a 14-year old boy killed three high school students and wounded five in Kentucky.
Most of the expulsions, 56%, were from high school, 34% were from junior high schools and 9% were from elementary
A. every American cannot have guns.
B. only soldiers and police can have guns.
C. every American citizen can own guns.
D. teachers have no money to buy guns.
[单项选择]默认的WAN帧中继链路属于哪个类型（）。
A. 点到点
B. 广播多路访问
C. 非广播多路访问
D. 非广播多点
E. 广播点到多点
[判断题]举高车应有上、下车互锁功能,当支腿展开调平并支撑可靠之前,臂架(梯架)不能运动。(中)
A.正确
B.错误
[单选题]波形伸缩器的内衬套筒一端与波壁焊接另一端则可( )。
A.固定不动
B.焊接固定
C.自由移动
D.螺纹固定
[多选题]玻璃鳞片防腐涂层应具有良好的()及()
A.耐腐蚀性
B.防渗透性能
C.腐蚀性
D.渗透性能
[判断题]有美尼尔氏征的人不得从事电工作业。( )
A.正确
B.错误
[单选题]严禁将混合后可能发生（ ）并形成爆炸性混合气体的几种气体混合排放。
A.化学反应
B.物理反应
C.爆炸
D.腐蚀
[单项选择]工艺空气的露点要保证在-60℃以下，否则会造成产品中（）含量过多。
A. 原料
B. SO3
C. 硫酸
D. SO2
[单项选择]下列哪项不是单纯室间隔缺损修补术的手术入路（）。
A. 肺动脉入路
B. 右心房入路
C. 主动脉入路
D. 右心室入路
E. 左心室入路
[单选题]尊重旅客货主主要表现在对旅客货主人格的尊重,对旅客货主乘车运货过程中( )的满足。
A.正当要求
B.个人需求
C.所有要求
D.部分要求
[单项选择]有抗心律失常作用的祛风湿药是（）
A. 秦艽
B. 五加皮
C. 雷公藤
D. 黄连
E. 独活
[填空题]Some years ago, an American policeman found a woman lying near a lonely road. She did not appear to have had an (36) . But she was trembling and clearly in a state of shock. So he (37) her to the nearest hospital. She began to tell the doctor on duty the story which was astonishing and (38) She had been driving along a country road when she had been stopped by a flying saucer landing in front of her. She had been forced to leave the car and enter the flying saucer by (39) which looked like human beings and which could easily make themselves (40) although they could not speak. It was as though they could read her thoughts and she could read theirs. They (41) her politely and allowed her to leave after carrying out a number of tests on her. As she otherwise seems to be (42) , the doctor decided that she was probably (43) from the side effects of some drug. The woman insisted on being allowed to g
[判断题]由于表面脏污会直接影响绝缘电阻及吸收比的数值，故变压器接地放电时间至少5min以上。
A.正确
B.错误
[多选题]现场调查应主要包括以下几个方面（）
A.结合现场状况、死者状态初步判断死者死因
B.核实死者身份、职业，尽量落实其近亲属、用工单位负责人等主要关系人的联系方式
C.注意发现死者遗物、遗书、通讯工具等物品。
D.积极查找现场知情人，初步了解死者主要社会关系、生前接触人员、近期异常行为、既往病史等情况。
[单选题] (单选题)盐酸普鲁卡因是由盐酸与普鲁卡因形成的盐增加了( )而做成注射剂
A. 脂溶性
B. 水溶性
C. 酸性
D. 碱性
E. 中性
[单项选择]以下承受着建筑物上部结构传递下来的全部荷载，并将这些荷载传给地基的是( )。
A. 门窗
B. 基础
C. 墙或柱
D. 楼板
[多项选择]根据借贷记账法的账户结构，账户借方登记的内容有( )。
A. 费用的增加
B. 所有者权益的减少
C. 收入的增加
D. 负债的减少
[多选题]对卷筒组的要求（）。
A.零件齐全
B.转动灵活
C.无阻滞现急
[单选题]提升钢丝绳遭受猛烈拉力的一段的长度伸长（ ）以上时，必须将受力段剁掉或更换全绳。
A.A、0.05
B.B、0.1
C.C、0.005
D.D、0.01
[单项选择]脑膜炎球菌是( )
A. 葡萄球菌属
B. 奈瑟菌属
C. 链球菌属
D. 念珠球菌属
E. 隐球菌属
[单选题]工程开通时，下面哪些操作是不允许的
A.调节OA单板的增益
B.调节LAC单板的衰减量
C.调节OTUT单板的输出功率
D.调节VMUX单板通道
[单选题]不管收入水平的高低，所负税收与收入的比率保持不变的税是()。
A.比例税
B.固定税
C.累进税
D.累退税
[单选题]消除毒性弥漫性甲状腺肿症状，不降低甲状腺分泌甲状腺激素的药物是：
A.Ａ. 甲基硫氧嘧啶
B.Ｂ. 心得安
C.Ｃ. 碘剂
D.Ｄ. 131I
E.Ｅ. 碳酸锂
[单选题]当水平排列,不同供电分段两附加导线悬挂点间的最小距离不得小于( )。
A.1000mm
B.2000mm
C.2400mm
D.3000mm
[判断题]为了保证汽缸法兰面的严密性，所有法兰螺丝都应热紧。
A.正确
B.错误
[判断题]客专线42号道岔翼轨采用特种断面翼轨与普通60kg/m钢轨厂内焊接的方式。
A.正确
B.错误
[单选题]螺纹道钉硫磺锚固,使用的普通硅酸盐水泥,不低于( )级。
A.46
B.35.2
C.45
D.42.5
