能够补肾阴,补肾阳,固肾精的药物是()
A.赤石脂
B.肉豆蔻
C.罂粟壳
D.山茱萸
E.桑螵蛸
参考答案:D
—I'm afraid I can't return the book to you before Friday.
—________.[ ]
A. Don't be afraid
B. Be careful
C. Not at all
D. Take your time
PGIS平台软件主要由哪几部分组成?()
A.工具集
B.服务集
C.业务应用模板
D.门户