题目

He _____ mentions her daughter to us as if she loves her daughter very much. A . completely B . fortunately C . fluently D . frequently 答案：D12、企业要提高自己的经济效益，就应该 ①改进技术，提高劳动生产率 ②转变经济发展方式，实现集约化生产和经营 ③采用现代管理方法，节约成本 ④不断扩大生产规模 A．①②④                       B．①③④                C．①②③                D．①②③④