循环经济，是一种生态经济，它要求运用生态学规律而不是机械理论规律来指导人类社会的经济

George, CFA, a citizen of Germany, is doing business in a neighboring country. According to AIMR Standards of Professional Conduct, which statement applies to George’ s conduct when he is conducting business in the other country（）

A. He is not bound by any of the regulations because France and the other country have no jurisdiction in each other’s countries.

B. He should adhere to whichever of France’s, the other country’s or AIMR’s rules that impose the highest degree of responsibility.

C. He should only adhere to the securities laws of France even though they do not cover some of the provisions found in the laws of the other country that relate to his work.

通过哪些现象可以判断出H₂/N₂失调？

有“九曲回肠”之称的长江河段是[ ]

A．通天河

B．川江

C．荆江

D．金沙江

光敏色素有两个组成部分，它们是：（）。

A．酚和蛋白质

B．生色团和蛋白质

C．吲哚和蛋白质

D．吡咯环与蛋白质

缆绳要紧紧拉住，拉不住的缆绳也不应放手。