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“神秘博士”暂时不会换人，第13任博士的演员朱迪·惠特克将回归《神秘博士》第12季，继续主演，《好莱坞报道者》独家报道了消息。 此前有猜测称这个第一位扮演神秘博士的女演员下季将不会回归，换人接替。而惠特克对THR表示：“我迫不及待要回去再次开工啦，这是个很棒的角色，迄今为止也都是很棒的旅程，我还未准备好交棒。” 第11季完结在即，也将有新年特别集，第12季预计明年早期开拍。In real life, China's income tax is divided into enterprise income tax, foreign-invested enterprises or foreign-invested enterprises income tax and personal income tax. For these three types of income tax, each is calculated in a different way. Personal income tax has a personal income tax calculation method, while enterprise income tax has its corresponding calculation method. If we do not adopt the policy mode to realize such a requirement, we will define an income tax class, which has an attribute to identify the type of income tax and a CalculateTax () method to calculate the tax. In this method, we need to judge the tax type and calculate the income tax for different tax types through if-else statements. Such an implementation can indeed solve this scenario, but such a design is not conducive to expansion. If the system needs to add an income tax in the later period, it has to go back and modify the CalculateTax method to add an additional judgment statement, which clearly violates the principle of "open-closed". At this time, we can consider using the strategic mode to solve this problem. Since the tax method is the changing part of this scenario, we can naturally think of abstracting the tax method at this time, which is also the essence of the implementation of the strategic mode.众人见他这样，也疑惑了。只有他，这两年是白忙了，还差点送了命。另有诸般风采：束手恭立，却不会让人觉得他拘谨不安，言语率真，亦不会使人觉得他轻浮鲁莽。In TCP/IP protocol, TCP protocol provides reliable connection service and uses three-way handshake to establish a connection.《爱的代驾 》讲述了代驾小哥工作中遭遇的风流奇事。