The approach we propose is a system-oriented methodology for knowledge acquisition, this orientation emphasizes ongoing documentation throughout each cycle and technique applied. Program-wide documentation is suggested, both for the purpose of internal (91) and for later verification and (92) efforts. The documentation system we propose includes a central "knowledge acquisition (93) " which is (94) to reflect knowledge acquisition plans, session nodes, and domain expert participation. Specifically, (95) within the database system include knowledge acquisition forms, which document plans for, and notes from, knowledge acquisition session, domain expert file, and rule content forms.

（94）是（）

A.edited

B.updated

C.exchanged

D.revised

人体内激素分泌量过多或不足都会对机体有害，体内有一系列机制维持激素在血液中含量的相对稳定。下图表示下丘脑神经分泌细胞、垂体细胞、甲状腺细胞及它们分泌的激素之间的关系。据图回答有关问题：

当人处于寒冷环境或情绪紧张时，血液中激素C的含量将会（），从而产生相应的生理反应。激素C升高反过来又会抑制下丘脑和垂体的活动，使激素A、B分泌量减少，这种调节机制称为（）调节。