问题
判断题
相关系数越接近+1时，两资产的联动程度则越强。当相关系数越接近-1时，两资产的联动程度则越弱。
答案
参考答案：对
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相关系数越接近+1时，两资产的联动程度则越强。当相关系数越接近-1时，两资产的联动程度则越弱。
参考答案：对
Mr Knight was the manager of a hotel. One weekend all of the hotels in the city were 36_____ because there was an important meeting. On Friday night, three men came into the hotel and asked for rooms. Mr Knight said that there were 37_____ rooms ready for use because of the meeting. The three men were very 38____ because they had no place to stay. Mr Knight wanted to help them. He remembered that Room 418, a very small room, was empty. He asked the men 39____ they would share a room. The three men said they would. Mr Knight told that the room would be thirty dollars: ten dollars 40_____ each one. Each man gave him ten dollars, and then they went up to the room. Mr Knight soon began to feel 41_____. “Thirty dollars is a lot to ask as a price for that small room.” He thought. He said to his assistant, “Here’s five dollars. Give it to the men in Room 418. I asked them too 42______money for their room.” The assistant tool the money. 43____ he was on the way to Room 418, he started to think: “How can three men divide five dollars? I’ll keep two dollars. The men will be happy to get anything back. I’ll take a little money and Mr Knight will 44_____ know.” So the assistant returned one dollar to each man. Each man had paid ten dollars. After the assistant returned one dollar to each one, each man had 45_____ paid only nine dollars. There were three men ＄9×3=＄27. The assistant kept ＄2. ＄27+＄2=＄29. Where is the missing dollar?
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