問題詳情
355.The high speed rail system in China has experienced _____ growth which no other infrastructure programs in the world have ever seen so far.
(A) adequate
(B) prototypical
(C) unprecedented
(D) prolonged
參考答案
答案：C
難度：適中0.588235
統計：A(2),B(0),C(10),D(2),E(0)