A.3.0cm B.3.2cm C.2.8cm D.2.5cm
A.“設(shè)計(jì)的公路應(yīng)該是合理的” B.“設(shè)計(jì)的公路應(yīng)該是經(jīng)濟(jì)的” C.“設(shè)計(jì)的公路應(yīng)該是科學(xué)的” D.“設(shè)計(jì)的公路應(yīng)該是有利的”
A.1% B.2% C.3% D.4%