問題詳情
599.Before a new invention is mass-produced and put on the market, the manufacturer will make a survey of its sales____to see if it can make a profit.
(A) announcement
(B) potential
(C) cosmetics
(D) interaction
參考答案
答案：B
難度：適中0.692308
統計：A(3),B(9),C(0),D(0),E(0)