未知题型
P2P网贷平台的盈利模式说法正确的是（）。
正确答案：向借款人收取一次性费用，向投资者收取评估和管理费用，线上平台的收费一般为贷款额的2%～6%，线下模式的收费一般......
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判断题
手机市场处于垄断竞争市场中 正确错误 -
未知题型
听力原文：W: Now you can feel something interesting herE.Tonight we invite one person to describe his 3 dreams. Jack, could you start first dream?M: Ok! I knew that the brakes of my car needed repairing, but I did nothing about it, until one night I dreamt I was driving my car along a familiar roaD.Suddenly I had to brake because I was driving towards a wall. However, when I put my toot on the brake nothing happened and I crashed into the wall.W: Oh! That's amazing! How about your second one, Jack?M: I was walking down an unfamiliar road when I reached a dark and miserable housE.Grey clouds covered the sky, and so I went inside the house where I found a poor, pathetic person, wearing clothes similar to those my wife worE.I didn't recognize her and felt sorry for her. There was nothing else in the dream but when I woke the next morning, I felt the misery and unhappiness of it all day.W: It's quite special. And how about your third one, do you have anything special to say? M: One day I was sitting in my office, listening to a group of colleagues whispering and talking about mE.I couldn't hear what they were saying but it worried mE.That night I dreamt exactly the same sequence again, except that in my dream I saw something I'd missed during the day. While they were whispering they were all looking down at something. The next morning when I woke up I realized exactly why they'd been whispering and talking about mE.That day was my birthday. Wasn't it possible that they'd been looking down at a birthday card? My dream was right. I did get a card from my colleagues, whom I'd suspected of talking about mE.(23)A.Painting.B.Washing.C.Repairing.D.Petrol filling.
A.W:
B.
W:
C.
(23)
A.Painting.
B.Washing.
C.Repairing.
D.Petrol -
多项选择题
下面哪些操作属于数据预处理操作？ A、对不合要求的数据进行数据清洗 B、对数据进行标准化处理 C、对数据进行去重处理 D、从网络中爬取数据
