亚里士多德认为在本性上最先出现的是( )
A.个人
B.家庭
C.村落
D.城邦
参考答案:D
Riding bikes has advantages __________ driving cars ________ many aspects. [ ]
A. above; in
B. over; in
C. on; on
D. with; on
160km/h≥vmax>120km/h正线直线和圆曲线上三角坑的作业验收标准是()。
A、3mm
B、4mm
C、5mm
D、6mm