問題詳情
【題組】13. What regular service did The Associated Press and United Press International begin to offer subscribing newspapers in the 1930's?
(A) A new system of weather forecasting
(B) An air-mass analysis
(C) Twice daily weather maps
(D) Cloud-cover photographs
參考答案
答案：C
難度：適中0.5
統計：A(0),B(0),C(1),D(1),E(0)