( )是指房地产经纪机构及人员以委托人的名义，在委托协议约定的范围内，代表委托人与第三人进行房地产交易，并向委托人收取佣金等服务费用的经济行为。
A．房地产买卖
B．房地产行纪
C．房地产代理
D．房地产居间
参考答案：C
解析： 房地产代理是指房地产经纪机构及人员以委托人的名义，在委托协议约定的范围内，代表委托人与第三人进行房地产交易，并向委托人收取佣金等服务费用的经济行为。
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| Last Sunday was fine, Mike 1 stay at home. He was on a 2 to the zoo. A woman with a baby got on the bus. Mike stood up and 3 to her, "Come and sit here, please." He helped the woman 4 . "Thanks 5 , good boy," the woman said. "You're welcome," said Mike. The bus went on. Thirty minutes later, it 6 at the zoo. Mike got off the bus and said 7 to the woman. The woman smiled (微笑) at him in a friendly way. Mike went into the zoo. 8 of the people there were students. He 9 a lot of animals, and he also took many photos. He spent a happy weekend 10 he helped others and had a good time in the zoo. | ||||
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