【单选题】当供应量大于需求量,欲化为平衡问题,可虚设一需求点,并令其相应运价为( )
【多选题】以下对玉树地震预报的评估,说法正确的是()。
【单选题】当供应量大于需求量,欲化为平衡问题,可虚设一需求点,并令其相应运价为( )。
【单选题】当供应量大于需求量,欲化为平衡问题,可虚设一需求点,并令其相应运价为( )
【单选题】以下有关地震预报的说法,错误的是( )
A.
地震预报指用科学的思路和方法,对未来地震(主要指强烈地震)的发震时间、地点和强度做出预报
C.
地震分为“长、中、短、临”的阶段性渐进式地震预报的科学思路和工作程序
【简答题】They believe the most (create) people in this team are the direct marketing specialists.
【单选题】Geoff, the marketing manager for a manufacturer of hearing aids, is considering the use of a direct mailing campaign to increase sales. Which element of the marketing mix is he concerned with here?
【判断题】For most companies, trade shows and direct selling are the major components in the marketing communications mix.