問題詳情
15. ___________, highly complicated calculations are no longer done by hand.
(A) With the introduction of computers
(B) When the computers introduced
(C) Introducing the computers
(D) The introduction of computers
參考答案
答案：A
難度：簡單0.729167
統計：A(35),B(7),C(2),D(3),E(0)