【单选题】Mr. Li is absent today. What do you consider ________ to him?
【单选题】如果某种商品的需求价格弹性大于1,则( )
【单选题】如果某种商品的需求价格弹性大于1,则该商品是( )
【单选题】------ Li Ming was absent yesterday. -----He _______ ill, for he`d never been absent from schoolbefore.
C.
must have been D could have been
【单选题】Mr. Li is kind _________ us. But sometimes he is kind _______ serious.
【单选题】下列关于加油站商品进销存公式描述错误的是()
C.
月末结存数量=月初结存数量-本月入库数量小计+本月出库数量小计