Is it necessary to buy a physical examination in Zhao Zhao for 7 days and 6 nights?

Is it necessary to buy a physical examination in Zhao Zhao for 7 days and 6 nights? Support seven days and six nights of video learning, which can learn knowledge faster and more conveniently. Zhao Zhao Medical Examination (Zhao Zhao Education) was established on 20th/KLOC-0th/3rd, and belongs to Beijing Zhaotianxia Education Technology Co., Ltd. The Zhao Zhao team has more than ten years' experience in examination teaching and scientific research, and now has professional teachers and IT teams, with the number of students increasing from several hundred to several hundred thousand.