术后辅助化疗几疗程：
A．4疗程B．5疗程C．6疗程D．6～8疗程E．10疗程
参考答案：D
Explain and distinguish between the following terms in relation to the doctrine of precedent in the English legal system:
(b) binding precedent and persuasive precedent. (6 marks)
简述学修饰方法的几个问题.
