【单选题】涉及溶液性质的下列说法中正确的是
C.
溶剂服从拉乌尔定律, 其蒸气不一定是理想气体
【单选题】The first time I saw her, Mary was standing still in the wind, her long hair _____in the air.
【判断题】Parking function can be utilized for dual control.
【单选题】下列英文缩写用来表示统一资源定位器的是()
【多选题】下列有关债券付息频率与其价值的说法中,正确的有( )