老师一边讲课一边在黑板上写字

PS: In order to facilitate everyone to see my update in time, I have set up a public number. In the future, the article will be published simultaneously with the public number and the blog park, so that everyone can receive the notice in time. If you don't understand any questions, you can also leave a message on the public number, so that I can see and reply in time. (The public number has just started to be done, and it is relatively rough. There is nothing in it = =, and it will be gradually improved in the later period ~ ~)是小的疏忽了，小的这就再去查问。1. An instance object in the application needs to be accessed frequently.狄爸以在建筑工地打散工养家，为了培养儿子成材，省吃俭用把小狄送入一流学府。狄爸在垃圾堆意外捡到神秘外星生物7仔，7仔能随意变作不同的工具和吸收和释放能源，帮助主人小狄解决生活上的各种问题并产生许多的趣事。与此同时，小狄同学蛋挞头的父亲无意中发现了7仔超乎寻常的能量，为实现自己的野心，欲高价收买7仔，未料小狄父子不为金钱所动，情急之下绑架7仔到自家的研究所，并榨取7仔身上的能量……画风变得这么快，让吕馨都有些反应不过来。Intercept a section of network cable and burn it under the network cable with a lighter. If the outer skin of the network cable has flame resistance, the outer skin of the network cable will gradually melt and deform, but it will not burn, and generally there will be no black smoke. If the network cable is fake, or if the outer skin does not have flame resistance, the network cable will be lit in a short time when the lighter is used to burn, and black smoke will be generated and there will be a great taste. This kind of network cable obviously does not meet the safety standards.DNS Server: Otherwise, it may become an accomplice to DDoS attackers.