热门试题:
[单选题]循环水系统中的水垢由（ ） 氢氧化镁组成
A.碳酸钠
B.碳酸氢钠
C.碳酸钙
D.碳酸镁
[判断题]JL02CG003215.负荷曲线按负荷性质不同有:有功负荷曲线.无功负荷曲线和视在功率负荷曲线。( )
A.正确
B.错误
[判断题]这是一起生产安全责任事故。()
A.正确
B.错误
[单项选择]肠上皮化生常见于（）。
A. 急性胃炎
B. 慢性萎缩性胃炎
C. 十二指肠溃疡
D. 慢性肠血吸虫病
E. 溃疡性结肠炎
[单选题]桥面在钢梁端、无砟无枕梁端、拱桥温度伸缩缝和拱顶处前后各（）m范围内不能有钢轨接头。
A..6
B.1.5
C.2
D.2.5
[单选题](49997)安全管理的方针是( )。(1.0分)
A.安全第一、预防为主
B.预防第一、安全为主
C.实行逐级负责制
D.自觉遵守有关规定
[单选题]在()中,电动势、电压、电流的大小和方向都不随时间的改变而变化。
A.直流电路
B.脉动直流电路
C.脉冲电路
[多选题]调车工作繁忙、配线较多的车站，可划分为几个调车区。没有做好联系和防护，不允许放行( )。(《技规》第281条)
A.越区车
B.转场车
C.溜放车
D.禁溜车
[判断题]装、拆接地线可独自进行。
A.正确
B.错误
[单选题]287、下列仪表属于比较式仪表的是（ ）。
A.万用表
B.接地电阻测量仪
C.兆欧表
[单选题]各级烟草专卖局在对非法运输烟草专卖品活动进行检查和处理过程中，可以对涉嫌非法运输烟草专卖品的有关合同、发票、帐册、单据、记录、文件、业务函电和其他资料等进行（ ）。
A.查阅、复制
B.检查、摘抄
C.检查、复印
D.摘抄、复印
[单项选择]胃癌的血行转移最常转移到
A. 肝
B. 肺
C. 肾
D. 腹膜
E. 颅内
[单项选择]
{{B}}TEXT B{{/B}}
Drivers on me Basmg stoke
by-pass used to have their attention diverted by a sign that read A MOMENT’S
INATTENTION CAUSES ACCIDENTS. This self-defeating warning has now been removed
but its message is still very much to the point. Almost anything can cause an
accident. Apart front momentary inattention, it might be a minor miscalculation.
Although human error plays its part, it is by no means the only cause of
accidents. There must be some causes other titan simple human error. Road
construction also plays its part. It is on those roads where there are subtle
visual traps. Wherever there is a "black spot", it means that something is
seriously wrong with the toad.
If you have been involved in an
accident and have stopped, you must give your name, address , arid registration
number to anyone who has a good reason for requesting it; this means anyone
affected by the accident, If somebody is injured ,the driver m
A. without doubt
B. hardly not
C. probably not
D. in no way
[判断题]物质的燃点越低、越不容易引起火灾。
A.正确
B.错误
[单选题]一级化学防护服距离热源不得小于( )m。
A.0.5
B.1
C.3
D.5
[单项选择]Since the energy crisis, these big cars have become a real liability. They cost too much to run.
A. lack of reliability
B. substitute
C. costly means of transport
D. disadvantage
[填空题]A few years ago it was (36) to speak of a generation gap, a division between young people and their elders. Parents (37) that children did not show them proper respect and (38) , while children complained that their parents did not understand them at all. What had gone wrong Why had the generation gap suddenly appeared (39) the generation gap has been around for a long time. Many (40) argue that it is built into the fabric of our society.
One important cause of the generation gap is the (41) that young people have to choose their own life styles. In more (42) societies, when children grow up, they are expected to live in the same area as their parents, to marry people that their parents know and (43) of, and often to continue the family occupation. In our society, young people often travel great distances for their education, move out of the family home at an early age, marry or live with
[多选题]（多选）2020 年 12 月 16 日，在亚奥理事会第 39 次全体代表大会上，
（ ）获批成为杭州亚运会竞赛项目。
A.电子竞技
B.滑板
C.攀岩
D.霹雳舞
[判断题]“人往高处走,水往低处流”可作为防洪的基本思路。( )
A.正确
B.错误
[多项选择]影响群体士气的因素有（）。
A. 群体成员的人数
B. 对群体目标的赞同
C. 对活动的满意感
D. 群体领导方式
E. 和谐的人际关系
[单项选择]下列关于芒硝的现代应用，错误的是（）
A. 尿毒症
B. 便秘
C. 急性乳腺炎
D. 肛肠病
E. 氮质血症
[单选题]在坑沟边使用机械挖土时，应计算()，确保作业安全。
A.支撑高度；
B.支撑强度；
C.支撑压力；
D.支撑深度
[单项选择]传染病房内的半污染区是( )
A. 走廊和化验室
B. 病房和洗漱间
C. 治疗室和库房
D. 配膳室和值班室
[单项选择]气流沿轴向流动的通风机类型为（）。
A. 离心式
B. 轴流式
C. 鼓风机
D. 矿井局部通风
[多选题]反恐怖主义工作坚持专门工作与群众路线相结合，（）的原则。
A.防范为主
B.惩治为主
C.惩防结合和先发制敌
D.保持主动
E.略
F.略
G.略
H.略
[单项选择]少尿是每日尿量D（）。
A. 3000～5000ml/天
B. 大于400ml/天
C. 大于1000ml/天
D. 小于400ml/天
E. 小于500ml/天
[多选题]公路运输在运输体系中体现的特点是（ ）。
A.时差效益
B.远距离效益面无私
C.质量差效益
D.速度差效益
[单项选择]Basic to any understanding of Canada in the 20 years after the Second World War is the country’s impressive population growth. For every three Canadians in 1945, there were over five in 1966. In September 1966 Canada’s population passed the 20 million mark. Most of this surging growth came from natural increase. The depression of the 1930’s and the war had held back marriages, and the catching-up process began after 1945. The baby boom continued through the decade of the 1950’s, producing a population increase of nearly fifteen percent in the five years from 1951 to 1956. This rate of increase had been exceeded only once before in Canada’s history, in the decade before 1911, when the prairies were being settled. Undoubtedly, the good economic conditions of the 1950’s supported a growth in the population, but the expansion also derived from a trend toward earlier marriages and an increase in the average size of families. In 1957 the Canadian birth rate stood at 28 per thousand, one of t
A. Educational changes in Canadian society.
B. Canada during the Second World War.
C. Population trends in postwar Canada.
D. Standards of living in Canad
[多选题]《注册造价工程师管理办法》规定，（ ）情况导致注册造价工程师注册证书失效。
A.未达到继续教育学时
B.已与聘用单位解除劳动合同且未被其他单位聘用的
C.注册有效期满且未延续注册的
D.死亡或者不具有完全民事行为能力的
E.其他导致注册失效的情形
[判断题]乡镇人民政府、城市街道办事处负责本辖区消防工作，指导、支持和帮助村民委员会、居民委员会开展群众性消防工作，指导、督促辖区内单位做好消防工作，协助公安派出所实施消防监督管理。
A.正确
B.错误
[单选题]勤劳节俭意义是（）。
A.阻碍消费，因而会阻碍市场经济的发展
B.市场经济需要勤劳，但不需要节俭
C.节俭是促进经济发展的动力
D.节俭有利于节省资源，但与提高生产力无关
[判断题]商业银行对核销后的贷款呆帐实行帐销案存的管理办法。( )
A.正确
B.错误
[多项选择]根据我国《票据法》规定，下列______不享有背书权。
A. 收款人
B. 被背书人
C. 因履行追索义务而取得票据的人
D. 因履行票据上保证义务而取得票据的人
E. 背书人
[单选题]空气样品采集时,用溶液吸收法主要用来采集下列哪些物质 ( )。
A.气态
B. 颗粒物
C.气态和颗粒物
D. 降尘
[单项选择]同一构件中相邻纵向受力钢筋的绑扎搭接接头宜相互错开。绑扎搭接接头中钢筋的横向净距不应小于钢筋直径，且不应小于( )mm。
A. 25
B. 20
C. 15
D. 10
