問題詳情
31 To minimize potential __________ in customs clearance for passengers and import/export goods during a long break,the Customs took flexible measures by providing extra officers and working hours to serve the needs of thetraders and passengers.
(A)concession
(B)congestion
(C)diffusion
(D)digestion
參考答案
答案：B
難度：適中0.588235
統計：A(5),B(10),C(2),D(0),E(0)