[问答题]在回油节流调速回路中,节流阀处于节流调速工况,系统的泄漏损失及溢流阀调压偏差均忽略不计.当负载F增加时,泵的输入功率( ),缸的输出功率( ).
[单选题]对特质进行了分类.他把特质分为共同特质和个人特质.他还进一步把个人特质划分为3个重叠和交叉的层次:首要特质、主要特质和次要特质A.奥尔波特B.卡特尔C.艾森克D.荣格
[判断题]通过分析得出水分(M)、挥发分(V)、固定碳(FC)、灰分(A)这四种成分的质量百分数称为元素分.
[判断题]一般工程结构均为欠阻尼状态.
[判断题]缺乏钙可引起惊厥.
[判断题]小儿头围与胸围两者几乎相等的年龄是10月
[问答题]简要论述杜邦分析法概念及特点
[名词解释]烟气循环燃烧:
[单选题]当事人对判决不服提起上诉的时限是收到判决书之日起( )A.3日内B.10日内C.15日内D.30日内
[多选题]网络图的排列方式可以( ). A.按施工段排列 B.按工种排列 C.按楼层排列 D.按专业排列 E.混合排列
[单选题]饰面砖工程是指内墙饰面砖和高度不大于100M抗震设防烈度不大于8度,A.胶粘法B.满粘法C.干挂法D.楔固法
[问答题]施工方案选择包括哪些内容
[填空题]当空间平面平行投影面时其投影与原平面形状大小
[问答题]某公司目前拥有资金2000万元,其中,长期借款800万元,年利率10%;普通股1200万元,上年支付的每股股利2元,预计股利增长率为5%,发行价格20元,目前价格也为20元,该公司计划筹集资金100万元,企业所得税率为25%,计划新的筹资方案如下:增加长期借款100万元,借款利率上升到12%,股价下降到18元,假设公司其他条件不变.要求:根据以上资料(1)计算该公司筹资前加权平均资金成本.(2)计算采用筹资方案的加权平均资金成本.(3)用比较资金成本法确定该公司能否采用新的筹资方案.
[多选题]工农武装割据”思想的主要内容包括( ) A.中国共产党的领导 B.以土地革命为中心内容C.武装斗争为主要形式D.以革命根据地为战略阵地
[单选题]电力线路等值参数中消耗有功功率的是( )A.电阻B.电感C.电纳D.电容
[填空题]GDP减去折旧等于( ).
[阅读理解]Passage 3 Long, long ago there was a very foolish thief. Do you know what he did one day? When he wanted to steal the bell on his neighbor.s door, he walked up to the door, took hold of the bell and pulled hard. The bell made a very loud noise. The thief was afraid and went home. Then he sat down to think, I must do something about the noise, he said. He thought and thought. At last he had an idea. Ah, I.ll put some cotton in my ears. Then I won.t be able to hear the noise. The next day he went to the door of his neighbor, and took hold of the bell. This time he pulled even harder. The bell rang loudly, but the thief did not hear anything. With another hard pull he got the bell out. Just then the neighbor came running out. Steal my bell? I.ll teach you a lesson, the angry man shouted. And he hit the thief on the nose.The foolish thief did not know how the neighbor found out he was stealing the bell. Why did he come out just then? he wondered.1.The thief was trying to get his neighbor.s doorbell. A. T B. F2. The thief put some cotton in his ears so as not to hear anything A. T B. F3.The neighbor ran out probably because he knew his doorbell was being stolen. A. T B. F4.The neighbor hit the thief to punish him for stealing. A. T B. F5.The thief thought the neighbor couldn.t hear the noise of the bell. A. T B.
[多选题]砌体结构中不能设置脚手眼的部位A.120mm厚墙,清水墙,独立柱B.过梁上与过梁成30°角的三角形范围及过梁净跨度1/2的高度范围内C.宽度小于1M的窗间墙D.梁或梁垫下及其左右500mm范围内
[问答题]扎依采夫规律适用于C
[多选题]在原材料一定的情况下,影响混凝土耐久性的关键因素是 A.保证足够的水泥用量B.严格控制水灰比 C.选用合理砂率D.增加用水量