阿摩線上測驗
39. What doesn’t happen in phase four?
(A) More patients are tested.
(B) Researchers can deduce that the drug actually works for all patients by ruling out random error.
(C) The drug is sold to the public.
(D) Extensive clinical trials.
答案：登入後查看
統計： A(19), B(21), C(374), D(18), E(0) #2363078
統計： A(19), B(21), C(374), D(18), E(0) #2363078
