关于下丘脑-垂体-睾丸性腺轴的描述错误的是（）

A.垂体分泌过多的FSH和LH对下丘脑分泌GnRH有负反馈抑制作用

B.睾丸分泌过多的睾酮对下丘脑分泌GnRH有负反馈抑制作用

C.下丘脑分泌的GnRH呈脉冲式释放

D.睾丸分泌过多的睾酮对垂体分泌FSH和LH有负反馈抑制作用

E.下丘脑分泌的CnRH可直接作用于睾丸，促进睾酮分泌

The revision of the Uniform Customs and Practice for Documentary Credits is the sixth revision of the rules．It is the fruit of more than three years of work by (1) ．UCP 600 applies to any (2) when the text of the credit expressly indicates that it is subject to these rules．They are binding on all parties thereto unless expressly modified or excluded by the credit． (3) means the bank that advises the credit at the request of the issuing bank． (4) means the bank that issues a credit at the request of an applicant or on its own behalf．Article 14 describes the standard for examination of documents．Under UCP 600，the (5) must be made out in the same currency as the L/C．B/L may now allow transshipment，provided that the entire carriage is coved by one and the same bill of lading．

A．documentary bill

B．commercial invoice

C．commercial draft

D．pro forma invoice