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从4名男生和2名女生中任选3人参加演讲比赛，求所选的3人中至少有1名女生的概率。
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设函数f(x)=z+ax2+blnx，曲线y=f(x)过P(1，0)，且在P点处的切线斜率为2。 求a，b的值；
甲公司在2007年发生如下经济业务： ①2007年3月1日，甲公司购入A公司股票，市场价值为1 500万元，甲公司将其划分为交易性金融资产，支付价款为1 550万元，其中，包含A公司已宣告但尚未发放的现金50万元，另支付交易费用10万元。 ②2007年3月15日，甲公司收到该现金股利50万元。 ③2007年6月30日，该股票的市价为1 520万元。 ④2007年9月15日，甲公司出售了所持有的A公司的股票，售价为1 600万元。 要求：根据上述资料进行相关的会计处理。
某市人民政府根据当地城市规划的有关要求，决定对市内某村进行整体搬迁，该村村民对此并不赞同，并以各种形式表示反对。后来，该市城管部门以处罚抵制市人民政府决定的组织者为由，分别对村民张某和李某作出行政拘留15天的决定，并自行执行。 试问： (1)该市城管部门作出并实施的行政拘留处罚是否合法为什么 (2)张某、李某是否可以提起国家赔偿为什么
TEXT C During the first half of the seventeenth century, when the nations of Europe were quarreling over who owned the New World, the Dutch and the Swedes founded competing villages ten miles apart on the Delaware River. Not long afterward, the English took over both places and gave them new names, New Castle and Wilmington. For a century and a half the two villages grew rapidly, but gradually Wilmington gained all the advantages. It was a little closer to Philadelphia, so when new textile mills opened, they opened in Wilmington, not in New Castle. There was plenty of water power from rivers and creeks at Wilmington, so when young Irenee DuPont chose a place for his gunpowder mill, it was Wilmington he chose, not New Castle. Wilmington became a town and then a city—a rather important city, much the largest in Delaware. And New Castle, bypassed by the highways and waterways that made Wilmington prosperous, slept ten miles south on the Delaware River. No two villages with such similar pasts could have gone such separate ways. Today no two places could be more different. Wilmington, with its expressways and parking lots and all its other concrete ribbons and badges, is a tired old veteran of the industrial wars and wears a vacant stare; Block after city block where people used to live and shop is broken and empty. New Castle never had to make way for progress and therefore never had any reason to tear down its Seventeenth-and eighteenth-century houses. So they are still here, standing in tasteful rows under ancient elms around the original town green. New Castle is still an agreeable place to live. The pretty buildings of its quiet past make a serene setting for the lives of 4,800 people. New Castle may be America’s loveliest town, but it is .not an important town at all. Progress passed it by. Poor New Castle. Lucky Wilmington. Judging from the passage, the author ______.
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