問題詳情
读图l．完成1～2题 
1．图1 ①、②、③、④四地段中平均坡度最大的为
(A)①
(B)②
(C)③
(D)④
1．图1 ①、②、③、④四地段中平均坡度最大的为
(A)①
(B)②
(C)③
(D)④
參考答案
答案：D
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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