阿摩線上測驗
21. The author of this article is most likely to be _____.
(A)A journalist in Scientific American
(B) A doctor at a clinic
(C) A recipient at a hospital
(D)A specialist in a medical center
答案：登入後查看
統計： A(2), B(0), C(1), D(10), E(0) #3109994
統計： A(2), B(0), C(1), D(10), E(0) #3109994
