基坑施工定位位移允许值应为，转角杆、分歧杆顺线路位移值（）mm。
A、≤30
B、≤5
C、≤20
D、≤50
参考答案：B
必须配备驻店执业药师才能零售的药是
A．网上药品交易服务B．互联网药品信息服务C．经营性互联网药品信息服务D．非经营性互联网药品信息服务E．从事互联网药品信息服务申请表
A (71) is a data type whose major attributes are determined by the rules governing the insertion and deletion of its elements. The only element that can be deleted or removed is the one that was inserted most (72) . Such a structure is said to have a last-in/first-out (LIFO) behavior, or protocol.
A．stack
B．queues
C．pointer
D．record
