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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.Weightlifters are in the most full and exciting state of physical strength during the competition. After warming up for half an hour and an hour in the back court, they also lifted more than a dozen or 20 handfuls, which is full of physical strength. However, our amateur training generally lasts for a long time and has a high movement density. Even if we are not used to it or like it, it is necessary to wear a belt after the physical fitness starts to decline in the later period. Don't look after the house and break the world record without you, we don't need this amateur level, don't think so! Also don't think: I squat 150 naked and you squat 160 with your belt tied to your knees, so I think I am actually better than you!赵耘听了，急忙断喝道：胡闹。但是，如果看过之前的原著，就会发现这两种改变，其实都很好接受。张家丫鬟萍儿（唐嫣 饰）被少爷张文锦（郭明翔 饰）污辱了萍儿，并买通手下陷害萍儿青梅竹马的王初九（罗晋 饰）杀害张父，初九和萍儿只得逃往上海，化名为重阳和莲心，分别在码头干苦力，在裁缝店学做衣。莲心为徐家小姐徐娜（徐麒雯 饰）制作衣服深得得称赞，因此把她介绍进母亲徐慧（叶童 饰）的公司工作。贺家少爷贺天（陈键锋 饰）对莲心一见倾心，从此对她情根深种。重阳亦察觉到了贺天对莲心的感情，两个男人大打出手，并且彼此宣告自己对莲心的感情，此时，张文锦从报纸上看到了莲心的报道，发誓要去上海揭穿莲心的身份，并把她抢回身边。来到上海的张文锦投靠日本人，并带人去杀重阳，重阳由此生死未卜......3. The ID card of the handling person (one copy of the front and back is stamped with the official seal)The Second World War was the war with the largest number of casualties in history, with a total of 55-60 million dead and 130 million injured, totaling 190 million dead and injured. The following are the casualties in major countries: