市场风险是竞争性项目常遇到的( )。
A．一般风险B．重要风险C．可避风险D．特大风险
参考答案：B
请把下列句子排成一段通顺的对话。
( ) No, it's the Queen's house.
( ) This is my house. It's small.
( ) Is that your house?
( ) But it's very beautiful, too.
( ) Yes, it is! Thank you.
班杜拉指出观察学习基本上是（）过程。
