問題詳情

【題組】31.
(A)The number of visits they receive.
(C) The files they have collected.　　
(B) The way they store data.
(D)The means they use to get information.

參考答案

答案：B
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)