热门试题:
[判断题]测量电源电流时将电流表串联在电路中（）
A.正确
B.错误
[判断题]点验是对各级单位编制、实力、战备和安全状况的全面清点和检验。大队、中队(站)每半年应当进行 1 至2 次点验。( )
A.正确
B.错误
[单项选择]上海A公司与北京B公司在上海订立了一份书面合同，A公司在合同上签字盖章后交B公司带回北京签字盖章。该合同的成立时间为( )。
A. 自A公司与B公司口头协商一致并签订备忘录时成立
B. 自A公司在上海签字盖章时成立
C. 自B公司在北京签字盖章时成立
D. 自B公司签字盖章后，A公司收到时成立
[单项选择]美人蕉最主要的观赏部位是（ ）。
A. 艳丽的花瓣
B. 藉化的雄蕊
C. 膨大的花萼
D. 叶状的苞片
[单项选择]诊断COPD的必备条件是气流的不完全可逆受限，其确定标准是（）
A. FEV2<80％预计值，FEV2／FVC％<70％
B. FEV2<70％预计值，FEV2／FVC％<60％
C. FEV2<80％预计值，FEV2／FVC％<60％
D. FEV2<70％预计值，FEV2／FVC％<80％
E. FEV2<90％预计值，FEV2／FVC％<70％
[单选题]某机关单位职业年金已缴至2020年6月。划转后,该单位2020年7月属期的应缴费应由()部门核算,()部门征收。( )
A.人社税务
B.税务税务
C.税务人社
D.人社人社
[多选题] 下列可以办理自助非循环贷款的贷款产品有()。
A.房联贷
B.房抵贷
C.助业贷款
D.助学贷款
[单选题]《房屋建筑和市政基础设施工程施工分包管理办法》规定，对于接受转包、违法分包和用他人名义承揽工程的，处（ ）。
A.5000元以上2万元以下的罚款
B.1万元以上3万元以下的罚款
C.2万元以上4万元以下的罚款
D.5万元以上10万元以下的罚款
[单选题]在平直道上动车组制动初速度为350 km/h时的紧急制动距离限值是如何规定的？
A.2000m
B.3200m
C.3800m
D.6500m
[多项选择]美国宪法规定，宪法修正案的通过的两种途径是（）。
A. 全国3/4以上州议会的批准
B. 全国2/3以上州议会的批准
C. 制宪会议的批准
D. 联邦最高法院的批准
[填空题]装卸机械、工属索具和安全保护装置应符合国家标准、( )标准和国铁集团颁布的技术条件。
[单项选择]
In the late 1960’s, many people in North America turned their attention to environmental problems, and new steel-and-glass skyscrapers were widely criticized. Ecologists pointing (21) that a cluster of tall buildings in a city often overburdens public transportation and parking lot (22) .
Skyscrapers are also enormous (23) , and wasters, of electric power. In one recent year, the addition (24) 17 million square feet of skyscraper office space in New York City raised the (25) daily demand for electricity by 120,000 kilowatts-- enough to (26) the entire city of Albany for a day. Glass-wailed skyscraper can be especially (27) . The heat loss (or gain) through a wall of half-inch plate glass is more than ten times (28) through a typical masonry wall filled with insulation board. To lessen the strain (29) heating and air-conditioning equipment, (30) of skyscrapers have begun to use double
A. thrifty
B. economic
C. prosperous
D. wasteful
[单项选择]由于（）的影响，物权关系的产生、变更和消灭均应依照法律的规定方可实现。
A. 物权法定原则
B. 物权公示原则
C. 一铡一权原则
D. 诚实信用原则
[判断题]( )差动放大电路的单端输出与双端输出效果是一样的。
A.正确
B.错误
[单项选择]下列关于金融市场的分类，不正确的是（）。
A. 按照交易的阶段划分，可以分为发行市场和流通市场
B. 按照交易活动是否在固定场所进行，可以分为场内市场和场外市场
C. 按照金融工具的具体类型划分，可以分为债券市场、股票市场、外汇市场、保险市场等
D. 按照金融工具的期限划分，可以分为现货市场和期货市场
[单选题]锁闭的调车进路有部分进路使用道岔单锁或只有光带锁闭无调车信号时用语为“…（ ）好（了）”，如原路返回、压信号折返等情况。
A.调车信号
B.调车进路
C.调车进路（信号）
D.信号开放
[单选题]从事收集、贮存、利用、处置危险废物经营活动的单位，贮存危险废物不得超过（ ）。
A.四年
B.三年
C.两年
D.一年
[多选题]温度计不小心打碎后，散落了汞的地面应（ ）。
A.A、洒硫磺粉
B.B、洒漂白粉
C.C、洒石灰水
D.D、20%三氯化铁溶液
E.E、撒细砂
F.F、洒水
[判断题] 先控制是指灭火作战中必须将阻止火势蔓延作为作战行动首先采取的措施。( )
A.正确
B.错误
[填空题]
Many countries will not allow cigarette advertising in their
newspapers or on TV especially since the advertisements are usually written with
young, people in mind. In (51) of advertising, the tobacco
companies have begun to sponsor sports events. They give money to football,
motor racing, tennis and a (52) of other sports on
condition (53) the name of the cigarette is mentioned. This
is now causing concern, because it does exactly (54) many ads
tried to do—suggest that (55) has some relation with being
strong and athletic.
In all this, the point of view of the
non-smoking has to be considered, as (56) : "I wish the
smokers would stop (57) the air. I wish I could eat in a
restaurant (58) having to smell cigarette smoke." It has been
calculated that, in a room (59) a large number of people are
smoking, a (60) will breathe in the equivalent of two or
three cigarettes during a
[判断题].《选煤厂安全规程》15.4.6 规定,高空作业时,不得把工具、器材放在工作点边缘。()
A.正确
B.错误
[单项选择]复利的计息次数增加，其现值（）
A. 不变
B. 增大
C. 减小
D. 呈正向变化
[单项选择]属于两性生物碱的化合物是
A. 可待因
B. 秋水仙碱
C. 吗啡
D. 莨菪碱
E. 小檗碱
[单选题]客车转向架油压减振器的减振阻力（ ）。
A.固定不变
B.随振动速度增大而增大
C.随车辆运行速度增大而增大
D.随枕簧压缩量增加而增大
[多选题]全面巡视串补装置时，下列哪些属于在例行巡视基础上还应增加的巡视内容（）
A.消防设施齐全完好
B.检查各设备的接地是否完好
C.在线监测装置应保持良好状态
D.电容器、电抗器在正常运行时无异常声响
[单项选择]目前我国预防艾滋病的基本措施之一是
A. 教育公众，洁身自爱，自我防护
B. 查出所有艾滋病病毒感染者并隔离他们
C. 全民接种艾滋病疫苗
D. 远离艾滋病感染者，防止传染自己
E. 以上都不是
[判断题] 信息技术对人力资源服务行业的影响一般表现为行业内企业之间扁平化关系的加强,并有可能形成的竞争合作关系。( )
A.正确
B.错误
[多选题](中)《电力供应与使用条例》规定,地方各级人民政府应当按照城市建设和乡村建设的总体规划统筹安排( )。
A.城乡供电线路走廊
B.电缆通道
C.区域变电所
D.区域配电所
[不定项选择题]某投资者为了规避风险，以1．26港元／股的价格买进100万股执行价格为52港元的该股票的看跌期权，则需要支付的权利金总额为（ ）港元。
A.1260000
B.1．26
C.52
D.520000
[单项选择]充分地利用矿物能源是一个国家乃至全球环境的利益所在。但是除非实施拟议中的政府标准，这些标准可以消除效率最低的产品和方法，否则不可能出现较大的改进。反对：有关能源使用的决定最好留给市场交易来完成。
下面哪一点，如果正确，能最直接地削弱上面的反对意见
A. 期望社会能一下子就作出必要的改变来获得最大能量效率的想法是不现实的。
B. 有些产品，例如汽车，利用能源的效率较高，那些购买和使用这些产品的人，通过和其他同类产品相比就会意识到任何一个能量利用率异常低的地方。
C. 每当一种新型的产生能量的方式，例如一种新的燃料被引进时，一些支持系统，例如燃料分配系统就必须被创建或被改建。
D. 当能量的价格上升时，消费者会倾向于寻找新的提高能量利用率的方法，例如给他们的房子加上一个绝热层。
E. 某一产品的购买者，例如房东购买器具时通常是基于产品的价格购买产品，因为产品的购买者不是要为产品消耗的能量付费的人。
[单选题]对大型设施中建筑物的拆除,应严格遵守自上而下的作业程序进行,严禁数层同时拆除。
A.正确
B.错误
[不定项选择题]共用题干
Stomach Ulcer
Stomach ulcers are the cause of severe pain for many people. Doctors have been able to help lessen the pain of ulcers. They could not cure them.Now doctors have discovered a cause of ulcers .This means they may have found a way to cure people who suffer from the stomach pain.
Studies show that ten percent of the population will develop an ulcer at some time in their life. So a possible cure is good news for many people.
Ulcers are wounds in the stomach that are similar to small cuts or tears.These wounds can
harm the tissue in the stomach,the pipe that carries the food to the stomach or parts of the small intestines .Fluids in the stomach then increase the pain of an ulcer. How does a person know he or she has an ulcer? Doctors say most people with ulcers feel a burning pain in their chest or stomach .This pain often is called heart burn. It usually happens before eating or during the night. It causes some people to lose their desire to eat,or they are unable to keep food in their stomachs.
Doctors believed that ulcers were caused by unusually strong stomach fluids,which damaged stomach tissue. Now they have discovered that most ulcers are caused by a bacterial organism called Hillico Bactor Pilorie or H .Pillorie .H .Pillorie bacteria are what make stomach produce extra stomach fluid.Doctors found that they can kill the bacteria with medicines called antibiotics .Health experts say the discovery of a cure for ulcers can save thousands of millions of dollars in medical costs. They also believe curing ulcers will reduce the number of people who develop stomach cancer. The number of people with stomach cancer is very high in Japan,Southeast Asia and parts of Africa.
Doctors say a person is more likely to get an ulcer if his or her family has had one.In fact a person with the family history of ulcers is three times more likely to get one than other people. There are ways people can protect themselves from developing an ulcer. Doctors say it is more important to reduce the amount of strong fluids in the stomach .To do this,doctors say,people should not smoke cigarettes or drink alcohol. And they say people should reduce tension in their lives.
People who eat a lot of spicy food are susceptible to stomach ulcers.
A.Right
B.Wrong
C.Not mentioned
[单选题]往返循环开行的快速货物班列装车前须进行整备，车体倾斜不大于（ ）mm，棚车车门开关作用良好
A.50
B.40
C.60
D.70
[单项选择]钢制球形储罐的组装方法中目前已较少采用的组装方法是( )。
A. 散装法
B. 分带法
C. 半球法
D. 散装法和半球法
