阿摩線上測驗
19. All researchers should be familiar ________ the basic ethical principles and have up-to-date knowledge about
policies and procedures designed to ensure the safety of research subjects.
(A)in
(B)to
(C) with
(D)as
答案：登入後查看
統計： A(9), B(27), C(131), D(9), E(0) #1889770
統計： A(9), B(27), C(131), D(9), E(0) #1889770
