問題詳情
12.右表是五個不同性質商品的商品圈和商閾(單位是平方公里)，假設此一地區為均質平原，人口密度到處相同。請問：五家商店中那幾家會可能面臨收支失衡、經營不善之虞？ 
(A)甲乙
(B)乙丙
(C)丙丁
(D)丁戊。
(A)甲乙
(B)乙丙
(C)丙丁
(D)丁戊。
參考答案
答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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