Jack is a 16-year-old boy. Last summer, he wanted to have a nice1.He asked his parents for the money.But his parents said he must get it by himself.But 2could he get one?

    One day，on his way home，he was thinking about this.Not many people wanted to ask children to work3them.Maybe he could sweep away the snow for the neighbours.However，it was not4.He had to wait a long time for that. Just at the moment，he saw Tom，one of his classmates，working in a5shop.

    "I could do that，"he thought.He asked Tom some questions.He learned that it took Tom about three hours a day to do the job6he could get twenty dollars each week.Then Tom gave him the telephone number of the book shop manager.Jack almost 7 home."Mum，I have good news to tell you，"Jack said.After he told his mother that，she said,"I think it's a8idea."

    "I will9the manager tomorrow,"said Jack，"After all，I'm going to be a businessman.''Jack's mother looked 10at him and smiled.

    After the summer holiday，Jack got the bike which he dreamt of.

已知a、b∈R，（a+bi）²=3+4i（i是虚数单位），则a²+b²=____，ab=____．

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2016年是宿迁建市二十周年．20年来，宿迁国民经济持续快速健康发展，各项社会事业取得明显进步，区域知名度和美誉度大幅提高，人民群众的幸福感、获得感显著增强。

【文明宿迁】

文明是一座城市的内在气质，也是一座城市的幸福底色．沭阳、泗阳、泗洪先后获“江苏省文明城市”称号，宿迁成为苏北首个文明城市群。2015年我市出台《宿迁文明20条》，大力提高市民文明素质。 “生态为归宿”，宿迁坚持“生态立市”的发展战略，大力发展绿色经济，改善环境质量，坚持污染防治与生态建设并重，全面提升生态文明建设水平，打造宜居幸福家园。法治是追求幸福的根本保障．围绕构建法治建设先导市目标，宿迁将进一步加强社会治理法治化，建设平安法治宿迁，让老百姓倍享“获得感”。