問題詳情
19.近年來，有些地區的熱帶栽培業由勞力密集型的耕作，逐漸轉變為機械化耕作的主要原因是：
(A)勞力不足
(B)運輸革新
(C)耕地擴大
(D)資金不足。
(A)勞力不足
(B)運輸革新
(C)耕地擴大
(D)資金不足。
參考答案
答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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