阿摩線上測驗
15. Based on the passage, which of the following is the primary purpose of a Beta test?
(A) Product development and improvement
(B) Sales performance appraisal
(C) Branding and relationship building
(D) Profit and loss statement
答案：登入後查看
統計： A(45), B(52), C(12), D(12), E(0) #2915880
統計： A(45), B(52), C(12), D(12), E(0) #2915880
