4厘米:4千米的比值是(  ) A.1:100000 B.1 C.1100000

问题描述:

4厘米:4千米的比值是(  )
A. 1:100000
B. 1
C.

1
100000

4厘米:4千米,
=4厘米:400000厘米,
=

1
100000

故选:C.