Wang Chaoxia, in the fifth grade of Wu Da University, should choose Skyworth as the material. According to the published information about inquiry, combing the test sites, the scores of Skyworth and Peiyou 100 are different types of auxiliary materials, both of which are very good, but Skyworth is richer in content, wider in analysis and more comprehensive in knowledge points than Wang Chaoxia, so Skyworth is good.