阿摩線上測驗
47. What are the three primary colors of the stage lighting？
(A) red, green, blue
(B) red, yellow, cyan
(C) red, green, orange
(D) red, white, black
答案：登入後查看
統計： A(170), B(24), C(3), D(6), E(0) #2928695
統計： A(170), B(24), C(3), D(6), E(0) #2928695