A:have damaged
B:are damaging
C:damaged
D:will damage
图为世界某城市分布示意图,图中最适宜布局海港的是( )
___________I am in trouble, my classmates will help me out.
从陕西榆林到西安可以乘坐汽车到达也可以乘坐火车到达,这体现了哪种逻辑关系( )
____ ____she____swimming?