阿摩線上測驗
16. The International Olympic Committee said 31 athletes in six sports could
be banned from the Rio Olympics after evidence of ____ was uncovered.
(A) protein
(B) doping
(C) calcium
(D) minerals
答案：登入後查看
統計： A(33), B(157), C(28), D(19), E(0) #1349923
統計： A(33), B(157), C(28), D(19), E(0) #1349923
