【单选题】商品价格是商品价值的货币表现。商品价格()
【简答题】光敏二极管、光敏三极管在工作时控制电路的( ) 和 ( ) 状态 (各用两个汉字表示)。
【多选题】商品价格是价值的货币表现,商品价格的变动( )
【判断题】价格是价值的货币表现,或价格是对商品和劳务所应付出的货币金额。()
【单选题】Choose the correct explanation for the underlined words. The plane was ready to take off when somebody told the police there was a bomb on the plane.
A.
remove something you are wearing
B.
leave, espeacially in a hurry
C.
leave the ground and begin flying
【简答题】商品价格是商品价值的货币表现。商品价格与货币价值变化成正比,与商品价值成反比。( )