下列实验装置不适用于物质分离的是
答案:D
装置D中温度计的水银球在溶液中,说明不是蒸馏,因此不能用作物质的分离。A是分液,B是升华,C是层析法,答案选D。
What will they do next [A]They will have a rest. [B]They will have a walk. [C]They will have a game.
账务处理程序是指以会计账簿体系为核心,将会计凭证、会计账簿和报表有机结合的方式。( )