肝硬化门静脉高压症最具诊断价值的表现是
A．腹水B．脾大，脾功能亢进C．腹壁静脉曲张D．食管下段、胃底静脉曲张E．黄疸
参考答案：D
Based on the information provided in Materials 4(资料四),measure the performance of White Appliances and Black Appliances separately by using Residual Income Method (剩余收益法) and Economic Value Added Method (经济增加值法). Based on the results, evaluate whether the business of White Appliances or Black Appliances performs better.
