找考题网-背景图
单项选择题

比例尺分别为1︰1000.1︰2000.1︰5000地形图的比例尺精度分别为()。

A.1m,2m,5m
B.0.001m,0.002m,0.005m
C.0.01m,0.02m,0.05m
D.0.1m,0.2m,0.5m