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够了。C) Metaphors of everyday life. Use some real-life examples to illustrate the so-and-so pattern, which can enable you to quickly grasp the purpose of a certain pattern and the structure of the implementation code. At the same time, you should realize that this metaphor is like telling you (2 +3) 2=22+2*2*3+32. You need to draw an analogy and come to (a + b) 2=a2+2ab+b2. The concrete application of the model in practical work is equivalent to the application of algebraic formulas.We know that computers can be used for work, study, entertainment, etc. In addition to the necessary computer hardware, software is also needed. Usually, we call a computer with only hardware but no software "bare metal", which cannot do any meaningful work. At present, software can be divided into two categories according to its use: system software and application software. System software is a program designed for computer systems to efficiently use and manage computer software and hardware resources and support the operation of application software. Such as operating systems, programming languages and language processing programs, network system software, system service programs, etc. Among them, Windows operating system is what we often use. Application software is a variety of programs that are user-oriented and written to solve practical problems. It can be written by users themselves or purchased. For example, office XP, Photoshop, Red Alert and so on, which we often use.Move　　顾菲偶然中发现丈夫的死亡真相，原来丈夫早知道自己身患绝症。他用残存的生命为心爱的妻子换回一笔钱，好让一家人有个安定的生活。顾菲震惊之于悲痛万分…Download Requirements: Free Download素昧平生的十个人因为共同的目的地拼车前往中国西部的荒漠地带，途经新疆戈壁无人区时，因为一个诡异的“意外”导致汽车出现事故，一行人便原地安营扎寨等待第二天白天再行解决，然而第二天一早，司机赵师傅却离奇身亡，于是大家互相猜疑，纷纷指责猜测凶手是谁，然而接下来，更加不可思议的事情发生，接二连三的有人死亡或消失，慢慢的，凶手的面纱也逐渐被揭开，然而隐藏在凶手背后的这一系列杀人事件竟然牵扯出数年前的一宗离奇案件