問題詳情

【題組】42. The underlined expression cutting edge in Paragraph 3 is closest in meaning to ______.
(A).advanced teachique
(B).sharpening tool
(C).effective rule
(D).dividing line

參考答案

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