3x-12x+5>0,
3x-12x>-5,
-9x>-5,
x<59,故选C.
—_____is it from the village to your farm?
— About 10 minutes’ walk.
A.How often
B.How soon
C.How long
D.How far
主矿采场公路弯道宽度为()。
A.18
B.20
C.22
D.24