. It is clear that the whole world is passing through a social revolution in which a central _____ must be taken by scientists and technologists.

A．process

B．attention

C．measure

D．part

医学伦理的"有利"原则不包括（）

A.努力使患者受益

B.关心患者的客观利益和主观利益

C.选择受益最大，伤害最小的行动方案

D.努力预防或减少难以避免的伤害

E.把患者的利益看得高于一切