正常胆红素的代谢过程包括（）
A.胆红素的来源
B.胆红素的运输
C.胆红素的摄取
D.胆红素的结合
E.胆红素的排泄
参考答案：A, B, C, D, E
The principal walked onto the platform and seated himself in a chair, _______ for answering questions.
A．prepared
B．being prepared
C．prepared
D．preparing
绕组间的互感分为哪几类？
