虚喘的治疗要点是()。
A.补肺
B.健脾
C.纳肾
D.益气
E.养阴
参考答案:C
Without facts,we can’t form a correct opinion,for we need to have actual knowledge____ our thinking.
A.which to be based on
B.on which to base
C.which to base on
D.which to base
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