阿摩線上測驗
15. By the 1980s, federal health experts claimed that there was no solid _______that a low-fat diet would prevent issues like overweight and obesity.
(A) evidence
(B) announcement
(C) authorization
(D) permission
答案：登入後查看
統計： A(15), B(0), C(3), D(0), E(0) #3356761
統計： A(15), B(0), C(3), D(0), E(0) #3356761
