热门试题:
[填空题]四冲程柴油机有进气、 () 、 () 、 () 四个冲程。发动机曲轴转动 () 圈为一个工作循环。
[简答题]1、变压器常见的冷却方式有哪六种？强油循环风冷/油浸风冷/油浸自冷变压器的油面、绕组温度整定原则分别是什么？
[单项选择]The environment is everything that surrounds us; plants, animals, buildings, country, air, water, everything that can affect us in any way.
A. excessively
B. distinctly
C. approximately
D. virtually
[多选题]以下( )是大规模风电并网给电网带来的压力?
A.增大调峰.调频难度
B.加大电网电压控制难度
C.局部电网接入能力不足
D.增加电网稳定风险
[判断题]按钮是利用生产机械运动部件的碰压使其触头动作，从而讲机械信号转化为电信号。
[判断题]正常操作中不得用总断路器对并联电抗器进行投切。
A.正确
B.错误
[简答题]金融机构收缴假外币时,发现有制造贩卖假币线索或利用新的造假手段制造假币的,应当立即报告当地公安机关。
[单选题]下列眼科疾病中禁用糖皮质激素的是
A.角膜炎
B.角膜溃疡
C.虹膜炎
D.视网膜炎
E.视神经炎
[单选题]（ ）是一个民族在长期共同生活和社会实践中形成的，为本民族大多数所认同的价值取向、思维方式、道德规范、精神气质的总和。
A.爱国主义
B.集体主义
C.文化传统
D.民族精神
[多选题]按分割方式,轨道电路可分为( )
A.分割轨道电路
B.无绝缘轨道电路
C.有绝缘轨道电路
D.无分割轨道电路
[单选题]供应商在图纸确认后(____)日内完成排产计划提报。
A. 3
B. 5
C. 7
D. 10
[判断题]2.12 如果遇到较强横风，感觉机动车产生横向偏移时，要握紧转向盘并紧急制动。
A.正确
B.错误
[判断题]行使公安权力的行为还要受到国家权力机关、司法机关和人民群众的制约和监督。 ( )
[单项选择]I like collecting (收集) stamps. When I was only a baby, my mother began to collect for me. Of course, she did not let me touch the stamps until I was old enough not to spoil(毁坏) them. I remembered that it was on my fifteenth birthday that she first put them into my hands. They were in four thick books and since then I have added three more, so now I have a bigger collection than any of my friends.
How do I get my stamps I have never bought even one stamp from a shop. My father works in a big office. Sometimes be brings me some stamps from many countries of the world. I have friends both here and in other countries. They send me a lot of wonderful stamps every year.
Since I am working for my living, I do not have as much time as before to spend on my stamps. But in the evening, I sometimes bring out the books and enjoy the stamps in them. Each stamp has a story to tell me about far countries and strange peoples. Stamp collection is a good way to learn history, geography a
A. Right.
B. Wrong.
C. Doesn’ t say.
[单选题]在我国常见的企业财产保险险别是（ ）。
A.基本险、综合险、一切险
B.基本险、附加险、一切险
C.综合险、附加险、一切险
D.基本险、综合险、附加险
[单选题]A330-300飞机FAP位于L2门乘务员座位的上方,由可触摸屏幕(touch screen)和附属控制面板(sub panel)两部分组成。
A.是
B.否
[单选题]下列各项均可出现肝浊音界扩大，但哪一项应除外
A.肝炎
B.肝癌
C.肝包虫病
D.晚期肝炎后肝硬化
E.肝脓肿
[单项选择]下列各项，需与经间期出血相鉴别的病证是
A. 月经先后无定期、赤带
B. 漏下、月经先期、月经过少
C. 月经先期、月经过少、赤带
D. 胎漏、胎动不安
E. 经期延长、月经过少、赤带
[单选题]碳全部或大部分以片状石墨形式存在的铸铁是( )。
A.灰口铸铁
B.白口铸铁
C.球墨铸铁
D.可锻铸铁
[单选题]高速道岔弹性夹离缝、弹片与滑床板挡肩离缝、挡板前后离缝大于（ ）mm时，应及时更换。
A.0.5
B.1
C.2
D.3
[判断题]离心泵叶轮分为开式叶轮和闭式叶轮两种。( )
A.正确
B.错误
[填空题]If you are a young college student, most of your concerns about your health and happiness in life are probably{{U}} (36) {{/U}}on the present. Basically, you want to feel good physically, mentally, and{{U}} (37) {{/U}}now. You probably don’t spend much time worrying about the{{U}} (38) {{/U}}future, such as whether you will develop heart disease, or{{U}} (39) {{/U}},how you will take care of yourself in your{{U}} (40) {{/U}}years, or how long you are going to live. Such thoughts may have{{U}} (41) {{/U}}your mind once in a while however, if you are in your thirties, forties, fifties, or older, such health{{U}} (42) {{/U}}thoughts am likely to become{{U}} (43) {{/U}}important to you.{{U}} (44) {{/U}}that will help you feel better physically and mentally. Recently researchers have found that, even in late adulthood, exercise, strength training with weights, and better food can help elderly individuals significantly improve their health and add happiness to their life.{{
[判断题]（判断题）此次勒索软件针对的攻击目标是Linux系统
A.正确
B.错误
[单项选择]患者，男，43岁。两耳轰鸣，按之不减，听力减退，兼见烦躁易怒，咽干，便秘，脉弦。治疗应首选
A. 手、足太阴经穴
B. 手、足少阴经穴
C. 手、足少阳经穴
D. 手阳明经穴
E. 足太阳经穴
[单项选择]从金属回线转大地回线运行时，断开直流电流的开关为？（）
A. MRTB
B. GRTS
C. NBS
D. 交流进线开关
[单选题]649、在线间距不足（ ）地段施工维修而邻线行车时，邻线列车应限速160km/h及以下，并按规定设置防护。施工单位在提报施工计划时，应提出邻线限速条件。
A.2.5m
B.6.5m
C.3.0m
D.4.0m
[单项选择]
麻疹邪犯肺卫证证见
A. 热、咳、涕、泪，麻疹黏膜斑
B. 热、烦、汗出，皮疹透发
C. 疹没脱屑，低热不退
D. 热、烦、渴、饮，疹稠色暗，神昏抽搐
E. 热、咳、喘、痰，疹稠色暗
[单选题]救护人员进入55℃高温灾区的最长时间不得超过（ ）。( )
A.10 分钟
B.15 分钟
C.20 分钟
D.25 分钟
[单选题]教育学的研究对象是（）。
A.教育现象
B.教育问题
C.教育事实
D.教育规律
[单项选择]锅炉的爆炸事故主要是指（）爆炸。
A. 锅筒
B. 过热器
C. 水冷壁管路
[判断题]变压器的基本工作原理是能量平衡。( )
A.正确
B.错误
[填空题]透平低速暖机期间,主蒸汽应达到( )℃ 过热度。
[判断题]时序逻辑电路的输出与电路的原状态无关。()
A.正确
B.错误
[单项选择]
收入差距大未必引起社会动荡，关键在于造成差距大的原因何在。把账算清楚，可以避免产生忿忿之情，剥削也就不再可能。经济交往中的糊涂账往往成为内部摩擦的原因。
根据本文，理解正确的是（）。
A. 收入差距的加大必然带来矛盾的激化
B. 经济交往过程中必然出现剥削的现象
C. 经济纠纷常常是由于账目不清引起的
D. 劳动收入问题是社会稳定的决定因素
[单项选择]Which of the following is the best possible title for this essay
A. An Introduction to Desktop Video Conferencing.
B. Modem Office and Video Conferencing.
C. A New Solution for Office Work.
D. Face to Face with Your Partners.
[判断题]六氟化硫电气设备外壳应与地绝缘良好，不应操作除取样口之外的其它部分。
A.正确
B.错误
