【单选题】Mr Wang, a 26 year-old man, was admitted to hospital with pneumonia and had been treated with antibiotics. His temperature has been kept at 39-40 °C for one week, and the fluctuation range of 24 hours...
【判断题】功和热是过程中所传递的能量方式,是状态函数。
【简答题】在密闭容器中加热分解足量的NaHCO 3 (s),使其在较高温度下分解为Na 2 CO 3 (s),H 2 O(g)和CO 2 (g)。当反应达到平衡后,系统有()个相;若将系统中的Na 2 CO 3 (s)除去一部分,但仍保持分解平衡时的温度和压力,平衡将();若将系统中的NaHCO 3 (s)全部除去,其他条件不变时,系统处于()状态。
【单选题】His son is quite well now, ______a slight fever.
【单选题】His face was very red, which was a clear ________of his fever.
【单选题】His cheeks were ____ by fever.
【单选题】Mr Wang, a 26 year-old man, was admitted to hospital with pneumonia and had been treated with antibiotics. His temperature has been kept at 39-40 °C for one week, and the fluctuation range of 24 hours...