下列各项中，属于中医诊断基本原理的是（）。
A.审症求因
B.司外揣内
C.四诊合参
D.治病求本
E.脏腑经络
参考答案：B
--- The research is difficult. Who do you think can do the job?
--- my students have a try?
A．Will
B．Shall
C．Must
D．May
西瓜霜的功效是( )
A．泻热通便B．清热泻火、消肿止痛C．润燥软坚D．清热解毒E．下气通便
