He never to his sister.
A.give off
B.gives in
C.give up
D.gave out
答案:B
在立体交叉设计方面,对互通式交叉的间距来说,在干道设计车速为60km/h时,其互通式立交最小净距值为()m。
A.1000
B.900
C.800
D.700
A.
B.
C.
D.