决策支持系统的结构可以从两个方面来划分考察，一个是（），另一个是它的框架结构。
参考答案：它的概念结构
阅读对话，判断正(√)误(×)。
A: We have a new classroom.
B: OK. Let's go and have a look.
A: Look, five fans and four lights.
B: And a new computer. It's cool.
A: I like my new classroom!
B: Me too.
( ) 1. We have a new classroom.
( ) 2. We have two fans.
( ) 3. We have six lights.
( ) 4. We have a new computer.
( ) 5. We like the new classroom.
根据Erikson的心理发展阶段理论，行为发展的自主发展阶段为（）
A.出生～1岁半
B.1岁半～3岁
C.3～6岁
D.青春期
E.12岁～成年
