阿摩線上測驗
39. What is the purpose of this passage?
(A) To illustrate the history of QR codes since the industrial revolution.
(B) To explain the way QR codes are generated and their structure.
(C) To compare and contrast different types of QR codes.
(D) To present an overall introduction to QR codes.
答案：登入後查看
統計： A(14), B(12), C(9), D(36), E(0) #3351846
統計： A(14), B(12), C(9), D(36), E(0) #3351846
