【单选题】目前比较常用的维生素 A和维生素E的含量测定方法是( ) 。
【判断题】目前比较常用的维生素A和维生素E的含量测定方法是气相色谱法 。
【单选题】The UK and U.S. are ______joint plans to attack Iran amid growing tensions in the Middle East.
【单选题】目前比较常用的维生素A和维生素E的含量测定方法是( )
【判断题】Standing plans are useful in situations that are unusual or situations that are one-of-a-kind.
【判断题】Programs and projects are examples of standing plans.
【判断题】Standing plans deal with non-recurring activities within an organisaiton.