亚洲地形的主要特点是[ ]
A.地势西部高,东部低
B.地表起伏大,高低相差悬殊
C.以平原为主,地势低平
D.地形类型单一,以高原为主
答案:B
栈通常采用的两种存储结构是
A.顺序存储结构和链式存储结构
B.散列方式和索引方式
C.链表存储结构和数组
D.线性存储结构和非线性存储结构
The engines of the ship were out of order and the bad weather____ the helplessness of the crew at sea.
A.resulted from
B.turned out
C.made up
D.added to