阿摩線上測驗
41. The story is mainly about ____.
(A) the CDC and how it does its job
(B) pests that threaten our food
(C) compulsory labeling of food products
(D) threats to the safety of our food
答案：登入後查看
統計： A(5), B(4), C(2), D(148), E(0) #2856591
統計： A(5), B(4), C(2), D(148), E(0) #2856591
