4 . 阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。
In the past couple of years, videoclips of young Chinese doing traditional fitness qigong 1 (flood) video sharing websites, among which 2 instructional video of Baduanjin, a form of fitness qigong has been played for more than 10 million times and received over 6,000 comments on Bilibili, a quality-video sharing platform 3 (target) young people.
Baduajin is one of the oldest health and fitness therapies in China, and it was 4 (original) created 800 years ago during the Song Dynasty (960-1279). The name, literally meaning “eight-section brocade”, generally 5 (refer) to how the eight individual movements characterize a silken quality to the movement of the body and its energy. Compared with more physically demanding sports such as the ballgames, swimming or gym workouts, Baduanjin is slow and usually accompanied 6 soft music, 7 it used to be considered as the exclusive sport for the elders.
No equipment is necessary and 8 requires very little space or, perhaps most importantly in our fast-paced lives, time. “I have been doing Baduajin for about four months, which makes me sleep better and get stronger. I owe big thanks to Baduajin since it gives me a much 9 (healthy) lifestyle,” a young netizen commented below the video. But not all people are suitable for practicing Baduanjin. Liu Xiaodan, an associate professor at Shanghai University of Traditional Chinese Medicine, cautioned that people should always put 10 (safe) first when doing Baduanjin, and patients who are weak should not take up this exercise.