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2. Peel off the network cable batch to see how bright the copper wire is inside. Generally speaking, if the network cable is made of recycled waste copper, or the copper used contains more impurities, the brightness of the network cable will be a little gray, just like the phenomenon that copper is oxidized. If it is a genuine network cable, its luster will be very bright, and it is six copper wires, each of which is so bright.In the "Video Learning" section, there are the first video, short video, simulcast channel, theory, party history, massive open online course, characters, culture, literature and art, science, nature, TV series, movies, rule of law, military and other channels. Among them, the "first video" is mainly a video report on the relevant activities of General Secretary Xi Jinping. As its name implies, "simulcast channel" is CCTV news simulcast video. Massive open online course is a free public video course with a variety of courses.Refer to 56 Floor Answers同理，真情真爱也不用多，一份就够了。System.out.println (name + "deal! ");凯特是个执着追求芭蕾舞梦想的女孩，她未经受过任何专业训练，通过录像带模仿练习，舞技出众。其父沉迷博彩不关心凯特，但是妹妹却力挺她完成梦想。她来到美国芭蕾舞学院面试，然而主考官里弗斯出于功利放弃了她，选择了名门之后。然而，凯特的舞技还是令人侧目，特别是另一考官库伯和入选者汤米。前者曾为她据理力争，而后者则对她一见倾心。在这部全新单口喜剧特辑中，坦诚而内省的喜剧演员西蒙·阿姆斯特尔敞开心扉，谈论了自己的神经质、向父亲出柜的经历以及情感关系等话题。