文章大意：本文是一篇说明文。社交网络平台抖音(在全球被称为Tikto)上展示完美身材的男女健身视频很常见，但最近一个70岁老人的锻炼视频迅速走红。文章就此展开介绍。
1 . 阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。
A 70-year-old woman wins hearts with her 1 (energy) workouts on Douyin, He Qi reports in Shanghai.
Videos on the social networking platform Douyin—also 2 (know) globally as TikTok—-that show men and women with perfect physiques working out or providing fitness tips are commonplace.
3 (try) to stand out from the crowd amid a flood of such videos can often be difficult, but a relatively new account, which has only been active since last year, 4 (manage) to do so easily. The fitness 5 (instruct) behind this account is not a young woman with a slim, toned figure that would leave viewers green 6 6 envy.
The star here is 70-year-old Chen Jifang, 7 Shanghai resident with 3 million 8 (like) on her Douyin videos. She was once even featured on a reality show on China Central Television. According to her trainer, 9 helped to manage the Douyin account, Chen attracted more than 400, 000 followers within just a few months. “The main group that I wanted to encourage was people at ages 30 to 50,”says Chen. “I think they will be motivated to work out in the gym after seeing that a granny like me can. The message I want to convey is that it is never too late 10 (pursue) good health.”
