問題詳情
【題組】47 The growth of Scandinavian population in the 9th century mainly lies in .
(A) the stability of the climate
(B) the increase of food
(C) the decrease of old people
(D) the expansion of the territory
參考答案
答案:B
難度:困難0.206897
統計:A(7),B(6),C(5),D(8),E(0)