[简答题]气焊、气割操作中发生回火的原因有哪些？

[多项选择]导致市场失灵的主要原因是( )。
A. 垄断
B. 外部性
C. 公共物品
D. 信息不对称
E. 内部性

[单选题]2.急性肾炎和肾病综合征对水肿的描述,共有的一项是
A.由低蛋白血症引起
B.由钠水潴留引起
C.水肿为可凹性
D.可波及全身
E.可伴有少尿

[判断题]感应法一般使用于测量电缆的高压阻短路及单相接地故障。（ ）
A.正确
B.错误

[单选题]时间成本意味着客户在等待交付或寻求替代品时必须承受的()。
A.原始成本
B.变动成本
C.附加成本
D.风险成本

[单项选择]在《架空输电线路无人机巡检技术》中，根据光照方向调整（），避免因光照引起的图像采集模糊或者图像（）的情况出现。
A. 航迹方向；曝光不足
B. 机头方向；曝光过度
C. 航迹方向；曝光过度
D. 机头方向；曝光不足

[单项选择]阿联酋迪拜哈利法塔采用的结构体系是（）
A. 混凝土剪力墙结构体系
B. 框架结构体系
C. 下部混凝土结构和上部钢结构的竖向混合结构体系
D. 内部混凝土结构和外部钢结构的水平混合结构体系

[单选题]患者，女性，65岁，尿毒症，意识模糊。为保证输液通畅，防止患者拔针，护士拟采用宽绷带制动腕关节。最佳的打结方法是
A. 环形结
B. 双套结
C. 八字结
D. 单套结
E. 平结

[判断题]技术训练能提高指挥员的组织指挥能力、临时处置能力和综合决策能力。( )(中)
A.正确
B.错误

[简答题]新时期党的“三大历史任务”是什么？

[单选题]下列情形中，哪一选项国家不承担刑事赔偿责任？
A.A公安机关对没有事实证明有犯罪嫌疑的人错误拘留
B.B公安机关工作人员对犯罪嫌疑人刑讯逼供
C.C某甲依法不负刑事责任被法院判处刑罚
D.D公民乙因故意作虚伪供述替他人承担罪责被人民法院判处刑罚

[简答题]历代文人常以宫女的怨情为题，请问现存最早的宫怨诗是哪首？

[判断题]根据需要，铁路应自备发电所或发电机组。
A.正确
B.错误

[单项选择]假设外汇交易部门年收益/损失如下，则该交易部门的经济增加值(EVA)为( )万元。

税后净利润	经济资本	资本预期收益率
2000万元	12500万元	20%

A. 1000
B. 500
C. -500
D. -1000

[单项选择]

Even a child knows that nodding head means "Yes". But some people would probably (56) when they first came to India. When they talked to (57) Indian, he would often shake his head. They (58) think that the India did not like (59) they said, but on the contrary, he was expressing (60) .
The Indians (61) a habit of shaking their (62) slightly when they talk to (63) . It doesn’ t mean "No", but" (64) ". If a person doesn’t (65) , it might cause misunderstandings.
At one time, a foreign diplomat (外交官) (66) told his driver who was an Indian (67) him to his office. The driver (68) his head. The young diplomat repeated his (69) and the river shook his (70) again. At last, the (71) shouted angrily, "Drive me (72) my office at once !" (73) driver also in a quite loud (74) , "Yes, sir. &
A. nodded
B. shakes
C. shaking
D. shook

[判断题]判断题.板式橡胶支座钢部件锈蚀,评定为劣化等级为C级。
A.正确
B.错误

[单选题]游艇航行中，突然发现有人落水，为了防止游艇和螺旋桨对落水者造成伤害，应立即（ ）。
A.向落水者相反—舷操满舵，并停车
B.向落水者相反—舷操满舵，并加速
C.向落水者—舷操满舵，并停车
D.向落水者—舷操满舵，并加速

[单项选择]选取的三个可比实例及其相关资料分别计算得到其报酬率为13.1%、12.5%和13.6%，根据三个可比实例发生的时间和规模的大小，判断其权重分别为0.4、0.3和0.3，则可以确定估价对象的报酬率为（）。
A. 12.90%
B. 13.10%
C. 13.06%
D. 13.07%

[单选题](单选题)
要对年龄构成比不同的两个县进行总死亡率的对比应先计算
A.构成比
B.相对比
C.动态数列指标
D.率
E.标化率

[单选题]电缆金属管套管连接，套管长度应为（　　）倍导管外径。（DL/T 5161.5—2018《电气装置安装工程质量检验及评定规程　第5部分：电缆线路施工质量检验》1.0.2）
A.A.2～3
B.B.2.2～3
C.C.1.5～3
D.D.2～3.2

[单选题]单人巡视时，()攀登杆塔或台架。
A.可以
B.最好不要
C.视情况可以
D.不应
E.lue

[填空题]为了保证顺利完成统计工作的任务，需要采用不同的研究方法，常用的有（）、统计分组法、（）、相关和回归分析法等。

[单选题]1964 年以后,党中央作出了一项重大决定,这就是 这实际上是国民经济的又一次大调整。
A. 继续进行国民经济调整
B. 三线建设开始布局
C. 开始实施第三个五年计划

[填空题] 58（）

[单项选择]下列各项中属于产品质量法所调整的产品的是( )
A. 军工企业生产的民用产品
B. 建设工程
C. 刚从地里刨出的土豆
D. 从鱼塘里打捞出的野生鱼

[判断题]1 当接地体采用搭接焊时，所有焊接部位均应进行防腐处理。
A.正确
B.错误

[判断题]由于盲人视残等级不一，针对部分盲人进出站比较困难的情况，工作人员应替其在闸机刷福利票并开放边门进出站。
A.正确
B.错误

[单项选择]对公路建设项目进行不确定性分析的目的在于( )。
A. 减少不确定性因素对经济效果的影响
B. 减少项目的风险
C. 提高项目决策的科学性和可靠性
D. 提高项目的经济效益

[单项选择]No one knows exactly how many disabled (残废的) people there are in the world, but estimates suggest the figure is over 450 million. The number of disabled people in India alone is probably more than double the total population of Canada.
In the United Kingdom, about one in ten people have some disability. Disability is not just something that happens to other people. As we get older, many of us will become less mobile (可动的), hard of hearing or have failing eyesight.
Disablement can take many forms and occur at any time of life. Some people are born with disabilities. Many others become disabled as they get older. There are many progressive disabling diseases. The longer time goes on, the worse they become. Some people are disabled in accidents. Many others may have a period of disability in the form of a mental illness. All are affected by people’s attitude towards them.
Disabled people face many physical barriers.
Friends, imagine how you would manage if you could no
A. the exact number of disabled people in the world is 450 million
B. the number of disabled people in Canada is more than the population of India
C. there are so many disabled people in the world
D. the disabled in India is the greatest on earth

[单项选择]二级注册消防工程师资格证书在（）内有效。
A. 全国
B. 所在行政区
C. 全市
D. 全省

[单项选择]欲配（2+3）乙醇溶液1L，量取冰乙酸400mL，加水（）mL。
A. 600
B. 400
C. 500
D. 200

[判断题]人工展放电缆、穿孔或穿导管时，作业人员手握电缆的位置应与孔口保持适当距离。（　　）
A.正确
B.错误

[单选题]营业员在受理客户来电时,对于情绪比较激动的客户,应采取安抚策略,此时( )更重要。
A. 说什么比怎么说
B. 怎么说比说什么
C. 说什么和怎么说一样
D. 说什么和怎么说都不

[多选题]开展训练时，每个训练场地均应有干部到场，（）。
A.加强训练组织
B.落实各项安全制度
C.严格训练纪律
D.保证良好的训练秩序

[判断题]、不得站在架空电线下方,防止电线断落触电;侦察前行时,应手背向内,不得背靠墙体裸露电线,防止电线绝缘层烧毁老化触电。( )?
A.正确
B.错误

[不定项选择题]共用题干 The Difference between Man and Computer
What makes people different from computer programs?What is the missing element that our theories don't yet______(1)for?The answer is simple:people read newspaper stories for a reason:to learn more about______(2) they are interested in.Computers,on the other hand, don't.In fact,computers don't______(3)have interests;there is nothing in particular that they are trying to find out when they read.If a computerwe______(4)is to be a model of story under-standing,it should also read for a“purpose”.
Of course,people have several goals that do not make______(5) to attribute to computers.One might read a restaurant guide______(6)order to satisfy hunger or entertainment goals,or to ______(7) a good place to go for a business lunch.Computers do not get hungry,and computers do not have business lunches.
However,these physiological and social goals give______(8)to several intellectual or cognitive goals.A goal to satisfy hunger gives rise to goals to find______(9) about the name of a res-taurant which______(10) the desired type of food,how expensive the restaurant is,the location of the restaurant,etc.These are goals to______(11) information or knowledge,what we are calling ______(12) goals.These goals can be held by computers too；a computer______(13)“want”to find out the location of a restaurant,and read a guide in order to do so______(14)the same way as a person might.While such a goal would not______(15) out of hunger in the case of the computer, it might well arise out of the“goal”to learn more about restaurants. 14._________
A.as
B.on
C.by
D.in

[单项选择]下列关于胃下垂的描述哪些是错误的：
A. 胃大弯弧线最低点下降至髂嵴联线以下，称胃下垂
B. 患者多为瘦长体形
C. 有慢性腹痛史
D. 治则为健脾和胃，补中益气
E. 食后即有胀感，自觉胃有下垂感

[单选题]骨肿瘤患者护理措施不妥的是( )
A.高蛋白、高热量、高维生素饮食
B.采用三级止痛方案止痛
C.膝部术后膝关节应屈曲15°
D.下肢手术患者术前3周开始肱四头肌收缩练习
E.化疗患者密切观察其反应,尤其血液变化

[多项选择]经纬仪的使用包括( )等操作步骤。
A. 粗平
B. 对中
C. 整平
D. 读数
E. 照准