【多选题】函数的概念发展大致经历了的阶段分别是( )
【多选题】波特的竞争战略理论,指某一产业的竞争态势由五种基本竞争力量组成,即: ( )
【简答题】肌肉组织缺乏______因而肌糖原不能直接分解生成葡萄糖。
【简答题】如图,在半径为3的球面上有 三点, =90°, ,球心O到平面 的距离是 ,则 两点的球面距离是
【判断题】Tom copied a paragraph from an essay he wrote in a previous semester into another essay. Thinking he wrote that paragraph, Tom didn’t cite himself. This is plagiarism.