問題詳情
【題組】72. When traveling in space, most people would like to stay in orbit for a few days because _______.
(A) It is expensive to travel in space
(B) they would find the possible life in other star systems
(C) they could enjoy the luxury of space hotels
(D) they want to realise the full potential of tourism
參考答案
答案：A
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)