【題目】下列比例尺中，圖幅相同時，表示內(nèi)容最詳細的是（　�。�
A.1：1600000
B.200萬分之一
C.
D.

【答案】A
【解析】比例尺是表示圖上距離比實地距離縮小的程度．在圖幅相同的條件下，比例尺越大，表示的范圍越小，內(nèi)容越詳細；比例尺越小，表示的范圍越大，內(nèi)容越簡略．
比例尺大小比較時，比例尺不是數(shù)字式的應(yīng)先化成數(shù)字式再比較大小；四個比例尺為：A是1/1600000，B是1/2000000，C是1/4000000，D是1/5000000，數(shù)字式比例尺大小的比較，分子為1，分母越大比例尺越小，反之則越大；比較選項中的比例尺得知，1/1600000比例尺最大；在圖幅相同的條件下，比例尺越大，表示的范圍越小，內(nèi)容越詳細，故選項A符合題意．故選：A．

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