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他扣一两，我就去他屋里搬一样东西。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.当然了，必须派人前去寻找玉娘，精诚所至金石为开，尹旭依旧相信这句话。3. The state switching is not obvious, only the state variable is assigned, such as this.state = 'weakLight'. In actual development, such operations are easily missed by programmers. There is no way to clearly understand how many states there are in the light unless you patiently read all the code in the buttonWasPressed method. When there are many kinds of states, the process of a switch seems to be buried in a dark corner of a huge method.该剧讲述了毒理昆虫学专业研究生谭景天无意中卷入一桩离奇的案件，在协助警察破案的过程中，与年轻女法医金灵产生交集，并解开了自己的身世之谜，揪出了隐藏多年的幕后真凶的故事。黄豆根本没解释，只肃然摇头，斩截道：不可能。