有人把“江湖义气”看作是“够朋友”，认为做事“够朋友”就是友谊，以下理解错误的是 （   ）

完形填空

    The 50-year-old farmer, Wu Yulu is quite different from the others at his village. He is the  1  of 38 handmade robots. He has been  2to show his robots at the opening ceremony of the Shanghai World Expo.

    Born in a  3 family, he did not have the opportunity to go to school. But even as a child, he knew he wanted to make machines. “I think  4  machines is a talent I was born with, ” he said.

    In 1987, he finally finished his  5 robot that could walk like a man. He named it “Wu No. 1”.

6  , his experiments  have not been away from danger. One of his fingers was injured in 1989. And in 1999, his house was  7  by fire.

    In 2003, Wu and his robots were invited to perform in the Great Hall of the People in Beijing, and in 2009, his robots were on  8  along with the Chinese Shenzhou spaceships.

    Wu's latest dream is to invent robots  9  can help people in daily life. He will invent robots to help the disabled or look  10  children.

化简：（x+2）²+x（x﹣4）．

    Mr. Jackson was tired of living in his old house in the countryside and wanted to sell it and buy a better one. He tried to sell it for a long time, but was not successful, so at last he decided to go to an estate agent（房产经纪人）.

    The agent advertised the house straight away, and a few days later, the owner saw a very beautiful photograph of his house, with a wonderful description of his garden in an expensive magazine.

    Having read the advertisement through, the house owner hurried to phone the estate agent, saying, “I'm sorry, Mr. Jones, but I've decided not to sell my house after all.” “Why?” the agent asked in a surprised voice. “Because from the advertisement in that magazine I can see it's just the kind of house I've wanted to live in all my life.”