問題詳情
【題組】74. What troubles industries most in dealing with the dangerous waste problem?
(A)How to get government support.
(B)How to increase their production.
(C)How to store harmful waste.
(D)How to cut down the related costs.
參考答案
答案：D
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)