海瑞当年是如何治河的？请用课文原话回答。
海忠介治河，布袍缓带，冒雨冲风，往来于荒村野水之间，亲给钱粮，不扣一厘，而随官人役亦未尝横索一钱。
What lessons China can draw from _______ global financial crisis has become _______ hot topic among us students.
A．the; a
B．/; a
C．a; the
D．/; the
简述法律的本质、伦理意义？
