题型：名词解释 情景对话。从所给的选项中选择最佳项完成对话。A. Are you feeling better? B. Where shall we meet? C. What are you doing? D. I'm feeling better. E. Would you like to go with me? F. When shall we meet? John: Hello, Jim. This is John. 1 Jim: I'm staying in bed. I had a bad cold. John: I'm sorry to hear that. 2 Jim: Yes. My mother took me to the hospital. What's the matter? John: I got two tickets to Titanic this evening. 3 Jim: Yes, I'd like to. John: 4 Jim: Let's meet at half past six. John: 5 Jim: Let's meet at the school gate. John: OK. See you then. Jim: See you. 1. 2. 3. 4. 5. 查看答案
题型：名词解释 关于有效证券组合，下列说法中错误的是（）。A．有效证券组合一定在证券组合的可行域上B．在图形中表示就是可行域的上边界C．上边界和下边界的交汇点是一个特殊的位置，被称作“最小方差组合”D．有效证券组合中的点一定是所有投资者都认为最好的点 查看答案