九九九伊在人线综合

3.4Blue: Blue Grass, Dragon Boat FruitThe principle of opening and closing means opening to expansion and closing to modification. When the program needs to be expanded, the original code cannot be modified, but the original code should be expanded to achieve a hot plug effect. Therefore, a summary of one sentence is: in order to make the program scalable, easy to maintain and upgrade. To achieve this effect, we need to use interfaces and abstract classes, etc. We will mention this point in the later specific design.The fourth: singleInstance一天，一个叫慧嘉（杨淇 饰）的女孩出现在他们面前，这个寂寞的女孩很快喜欢上了正行，但正行心里爱着的却是另外一个人。慧嘉知道了正行心意后，跟他成为了好朋友。守恒也开始追求慧嘉，守恒却不想太早让正行知道，他觉得正行跟慧嘉都是他生命中不可或缺的人。各自怀有秘密的他们生活开始变得混乱，终于他们在海边说出了自己的秘密……Photo of Tumen Street Photo of Tumen Street is also called "Tumen Street" and is named after the earth and stone work for the construction of East and West Towers. Tumen Street is located in the center of Quanzhou City, starting from Wenling Road in the east and reaching Zhongshan Road in the west, with a total length of 1005 meters. It is a prosperous area integrating commerce, tourism and culture. On this street, which is only over 1,000 meters long, there are many "Haisi" cultural relics, and there are 13 cultural relics of Song and Yuan Dynasties-Qingjing Temple, Confucius Confucian Temple, Tonghuai Guanyue Temple, Dongguan Xitai, Zulu Su, Aristocratic Family Dacuo, Chessboard Garden, Donglu Lane, 32 Lane, etc. The architectural style of Tumen Street reflects the prosperity of Quanzhou in Song and Yuan Dynasties to a certain extent. The reconstructed Tumen Street inherits the style of ancient buildings in Quanzhou's southern Fujian and organically combines with modern buildings. Tumen Street is one of the most commercial and prosperous streets in Quanzhou, and was selected as one of the first batch of "shopping rest assured streets" in the country.