問題詳情
【題組】79. The passage is mainly concerned with ______.
(A). an attempt at developing recyclable tents
(B). some efforts at making full use of cardboards
(C). an unusual success of a graduation project
(D). the effects of using cardboard tents on music festivals
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)