【单选题】刚修复的直流复励发电机,磁极有剩磁,进行空载试验时,原动机起动后转速已达额定值时,发电机仍不能起压,原因是______。
【判断题】Suppose there is an increase in supply that reduces market price. Consumer surplus increases because (1) consumer surplus received by existing buyers increases and (2) new buyers enter the market.
【多选题】挤出机Q-p图上的操作点是指( )和( )的交点。
【简答题】An offer is a proposal made _________________ (由卖方) to buyers in order to enter into a contract.
【判断题】An offer is a proposal made by sellers to buyers in order to enter into a contract.
【单选题】与氟哌啶醇一起静注可使人产生不入睡而痛觉消失的特殊麻醉状态的药物是
【单选题】“管理即决策”是著名管理学家( )给管理所下的定义。