【判断题】在触发器的逻辑符号中,用小圆圈表示反相。 ( )
【多选题】患者女,48岁,10年前确诊为肝硬化,昨日排黑色糊状便200ml,今晨突然呕血1000ml,血压75/53mmHg,脉搏120次/分,体温37℃,诊断:肝硬化失代偿期并上消化道大出血,急诊收入病房救治。提示:患者有肝硬化病史10年,伴有食道胃底静脉曲张。肝硬化门脉高压的临床表现有哪些()
【单选题】Every artist knows in his heart that he is saying something to the public. Not only does he want to say it well, but he wants it to be something which has not been said before. He hopes the public wil...
A.
understand him and learn from him
B.
notice only shapes and colors in his work
D.
believe what he says in his work
【单选题】马克思说: “蜘蛛的活动与织工的活动相似,蜜蜂建筑蜂房的本领使人间的许多建筑师感到惭愧。但是最蹩脚的建筑师从一开始就比最灵巧的蜜蜂高明的地方,就是他在用蜂蜡建筑蜂房以前,已经在自己的头脑中把它建成了。”这段话 表明()
B.
随着科技的发展,人们改造世界的活动越来越具有创造性
【判断题】容积损失主要产生在叶轮与泵壳之间、多级离心泵各级叶轮之间。