問題詳情
【題組】44. During sleeping time, the job of watching over the shuttle is done by .
(A) the shuttle's radio
(B) the shuttle's warning bell
(C) people working in the shuttle
(D)engineers at the Control Office
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)