【单选题】Why should we elect him _________mayor? I mean last year he was elected as _________ member of the Congress and he has failed to keep any promise he made during the election.
【单选题】市场上许多产品由于( ),形成一种习惯价格或便利价格,消费者习惯于按此价格购买,对此类产品,任何企业要进入市场,必须依照习惯价格定价,这就是习惯定价。
【单选题】We elected him ________ manager of the department.
【单选题】He was so helpful that we ____ him as direct. [ ]
【单选题】原核生物转录终止需要下列哪种因子 ( )
【简答题】We elected him president.
【单选题】钾的金属活动性比钠强,根本原因是 [ ]