热门试题:
[简答题]飞机距离也影响OBA信息,因为距离的远近不同,信号强度也不同,导致和差信号大小不同。
[判断题]线路设置若干耐张段的目的是便于线路的施工和检修，并可在事故情况下限制倒杆断线范围。
A.正确
B.错误
[单项选择]大包围中，（）使空气对汽车产生向下的使用力。
A. 全保险杠
B. 侧包围
C. 导流板
D. 扰流板
[单项选择]下列哪层不是牙本质龋的病理变化
A. 透明层
B. 脱矿层
C. 再矿化层
D. 细菌侵入层
E. 坏死崩解层
[判断题]使用钻床时应戴手套。( )
A.正确
B.错误
[单项选择]客户通过个人网上银行进行转账汇款，如交易成功需要短信通知收款人，可输入收款人的手机号码，资费为（）/条，但贵宾版客户免收。
A. 0.50元
B. 0.20元
C. 1元
D. 0.15元
[单项选择]
Do we need laws that prevent us from running risks with our lives If so, then perhaps laws are needed prohibiting the sale of cigarettes and alcoholic drinks. Both products have been known to kill people. The hazards of drinking too much alcohol are as bad or worse than the hazards of smiking too many cigarettes. All right then, let’s pass a law closing the liquor stores and the bars in this country. Let’s put an end once and for all to the ruinous disease from which as many as 10 million Americans currently suffer--alcoholism. But wait. We’ve already tried that. For 13 years, between 1920 and 1933, there were no liquor stores anywhere in the United States. They were shut down abilished by an amendment to the Constitution and by a law of Congress. After January 20, 1920, there was supposed to be no more manyfacturing, selling, or transporting of "intoxicating liquors". Without any more liquor, people could not drink it. And if they did not drink it, ho
A. There would be no further danger to the public from alcoholism.
B. There would be a rise in the cost of alcoholic beverages.
C. Without liquor, people would not drink.
D. People would not become drunk of create a public nuisance.
[多项选择]投诉的好处（）
A. 投诉可以指出公司的缺点
B. 投诉是提供你继续为他服务的机会
C. 投诉可以加强他成为公司的长期理性顾客
D. 投诉可以使公司产品更好地改进
E. 投诉可以提高处理投诉人员的能
[判断题]低压触电时，因触电者的身体是带电的，其鞋的绝缘也可能遭到破坏，救护人不得接触触电者的皮肤，也不能抓他的鞋。
A.正确
B.错误
[判断题]“试拉”信号夜间显示方式为：绿色或白色灯光左右摇动。
A.正确
B.错误
[单项选择]监理工程师控制建设工程进度的合同措施是指（）。
A. 编制进度控制工作细则、指导监理人员实施进度控制
B. 建立图纸审查、工程变更和设计变更管理制度
C. 推行CM承发包模式，对建设工程实行分段发包
D. 采用网络计划技术对建设工程进度实施动态控制
[判断题]《动车组列车服务质量规范》第，6.1.5项规定，定期进行“消、杀、灭”，蚊、蝇、蟑螂等病媒昆虫指数及鼠密度符合国家规定。
A.正确
B.错误
[单项选择]800米跑的过程中参与的供能系统主要是（ ）。
A. 乳酸能系统
B. 磷酸源系统和乳酸熊系统
C. 有氧氧化系统
D. 有氧氧化系统和乳酸能系
[单项选择]乌梅丸组成中含有的药物是（）
A. 党参、当归
B. 蜀椒、肉桂
C. 黄连、黄芩
D. 生姜、细辛
E. 桂枝、炮附子
[填空题]对于负片，曝光过度，胶片感光越多，沉积的银粒就越（），影像的黑度越（），负片的密度就越（），也就是底片“（）”。
[单选题]张女士,因心脏病导致右侧心力衰竭,尿少,右侧腹部胀痛,下肢水肿,护士指导病人饮食,每日限制食盐量不超过 ( )
A.3g
B.2g
C.4g
D.0.8g
E.0.7g
[填空题]Eating too much salt can lead to high blood pressure, stroke and heart attack, even where it’s least expected. Researchers in Kenya from the Weill Cornell Medical College say hypertension (高血压) is on a startling rise in sub-Saharan Africa. The problem is so (36) in the Americas that PAHO—the Pan American Health Organization— (37) a program called SaltSmart. Branka Legetic is the program coordinator.
Legetic says most people don’t know the dangers of eating too much sodium, the (38) found in salt. The World Health Organization recommends no more than five grams of sodium per day, the amount in a (39) of salt. The goal of SaltSmart is to get people to cut their salt (40) in half by the year 2020.
In the U.S., Million Hearts, a government-sponsored program, aims to prevent 1 million heart attacks and (41) by 2017. Dr. Janet Wright is the executive director.
"We’re asking for this effort to begin with the
[多选题]中共六大是一次具有重大历史意义的会议，主要表现在（）。
A.认真总结了大革命失败以来的经验教训
B.对有关中国革命的一系列问题作出了基本正确的回答
C.指出中国仍是半殖民地半封建社会
[单项选择]位于上颌硬区的一侧或两侧的连接杆是（）。
A. 前腭杆
B. 后腭杆
C. 中腭杆
D. 侧腭杆
E. 舌连接杆
[单项选择]一般来说手机电池适应温度为（）
A. 10℃－40℃
B. 20℃－50℃
C. 30℃－70℃
D. 50℃以上均可
[判断题]煤矿所有爆破作业地点必须编制爆破作业说明书。( )
A.正确
B.错误
[多选题]民警对二人进行调解，在调解过程中，民警应注意的问题有哪些？ （多选）
A.确认当事人是否自愿调解
B.充分听取当事人及相关人员的陈述
C.详细讲解有关法律.法规和国家政策，耐心疏导
D.站在公权力的基础上提出解决方案或达成调解协议
[单选题]下列哪项不是交界性上皮瘤的特征?( )
A.组织学及生物学特性介于良性与恶性之间
B.预后较好
C.上皮有增生，核异质，间质无浸润
D.交界瘤也可以有腹腔内转移
[填空题] (36) of people around the world cook their food over a (37) fire every day. It is often difficult to find wood for the fire. People who do not have wood must spend large (38) of money on cooking fuel. However, there is a much easier way to cook food using (39) from the sun.
Solar cookers, or ovens, have been used for (40) A Swiss (41) made the first solar oven in 1767. Today, people are using solar cookers in many countries around the world. People use solar ovens to cook food and to heat drinking water to kill bacteria and other (42) organisms.
There are three kinds of solar ovens The first is a box cooker. It is (43) with a special wall that shines or reflects sunlight into the box. (44) .
The second kind of solar oven is a panel cooker. (45) . People can build panel cookers quickly and with very few supplies. They do not cost much. In Kenya, for example, panel cookers are
[多选题]出水训练前必须明确（）等信号，驾驶员应根据供水指挥员指令实施供水作业，并注意观察，发现停水信号或危险情况立即停水。
A.停水手势
B. 旗语
C.撤退
D.开始内攻
[单选题]《行规》制定特殊行车组织办法的规定旅客列车在桥梁上、隧道内停车时，除需疏散旅客外，旅客乘务组人员不得（ ），禁止列车乘务人员下车（必须按规定下车作业除外）。
A.A、打开车窗
B.B、打开车门
C.C、组织乘降
D.D、窜岗离岗
[判断题]在遇到短时突发暴雨、大风等可能影响行车安全的恶劣天气时，车站根据雨情、灾情，有权直接对相邻区间及站内采取限速、封锁或扣车措施。（ ）
A.正确
B.错误
[判断题]设区的市级以上地方政府住房城乡建设主管部门应当建立专家库.专家库应向社会公布. ( )
A.正确
B.错误
[单选题]几个电容器并联连接时,其总电容量等于( )。
A.各并联电容量之倒数和的倒数
B.各并联电容量之和
C.各并联电容量的倒数和
D.各并联电容量的和之倒数
[单选题]国家对建筑施工企业实行( )制度
A.安全生产资格
B.安全生产许可
C.建筑业企业资质
D.事工许可
[判断题]高处作业操纵吊篮作业时,时间久了累了可以坐或躺在吊篮上边操作边休息。( )
A.正确
B.错误
[单项选择]某机构发售了面值为100元，年利率为5%，到期期限为10年的债券，按年付息。某投资者以90元的价格买入该债券，2年后以98元的价格卖出，则该投资者真正所获得的年收益率为（ ）。
A. 5%
B. 7%
C. 9.8%
D. 10%
[判断题]线路任何地点的轨距都是1435mm。
A.正确
B.错误
[填空题]损伤是（）或（）作用于机体引起的组织结构破坏和功能障碍。
[多选题]多选环境危险检查中正确的有？
A.检查周边有无裸露电线，用电设备是否已断电
B.检查有无可燃气体泄漏，预防发生爆炸危害
C.试着点燃可燃粉尘，预防粉尘爆炸
D.检查建筑构件稳定性，是否存在物体坠落、倒塌可能
