环境规划决策的特征（）；（）、基于价值观念的特征。
参考答案：非结构化特征、多目标特征
—Where is Jack? I haven’t seen him for a long time.
—He ______ HK with his family. I think he is having a wonderful time there.
A．went to
B．was in
C．has gone to
D．has been to
产后血性恶露排出的时间是
A．1～3d
B．1～7d
C．20d
D．30d
E．50d
