按照“后进先出”原则组织数据的数据结构是( )。
A) 队列 B) 栈 C) 双向链表 D) 二叉树
参考答案:B
Maggie wanted an evening job that would allow her to ______ her son during the day.
A.look at
B.look around
C.look after
D.look out
我国通常说的二级储量指的是控制储量。