問題詳情
【題組】74.
(B)saying ―We needed them yesterday‖ (paragraph 7), Stover means that snake-like robots _____.
(A)could help handle the aftermath of Hurricane Katrina
(B)would have been put to use in past rescue work
(C)helped rescuers search flooded houses yesterday
(D)were in greater need yesterday than today
參考答案
答案：B
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)