問題詳情
【題組】29. Why are many of the cliff dwellings only accessible by rope-ladder?
(A) To limit the number of tourists and lower the possibility of being damaged.
(B) To make it harder to be intruded by possible enemies.
(C) To save on the cost of building or carving stone ladders.
(D) To show their great skill of basket weaving in another form.
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增