A:To have studied
B:Having studied
C:Studying
D:Studied
如图记录了甲、乙两辆汽车在平直公路上行驶时,在某段时间内的运动过程。关于甲、乙两车的运动情况,说法错误的是( )
By no means _____ true that all English people know their own language well.
中西两种文明的交流碰撞,有力地促进了近代中国科学技术和思想文化的发展。下列人物与其成就的连线,不正确的是( )