阿摩線上測驗
48. According to the passage, the experiment suggests that an average person can identify more than
____ smells.
(A) half a million
(B) one million
(C) several million
(D) one trillion
答案：登入後查看
統計： A(4), B(15), C(17), D(248), E(0) #2910953
統計： A(4), B(15), C(17), D(248), E(0) #2910953
