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。
What makes something a sport? Traditional definitions usually included some physical activity 【小题1】 shows athletic ability or strength. But some sports can take the form of mental competitions. For instance, chess 【小题2】 (recognize)as a sport by the International Olympic Committee in 1999. Now, some people wonder 【小题3】 eSports should also be considered sports.
The word eSports is short for electronic sports. It is 【小题4】 form of competition in which professional players or gamers play video games either in teams or individually. 【小题5】 (typical), the winners receive prize money at the end of the competition.
The first eSports event was the one 【小题6】 (hold)by Stanford University in the 1970s, for the game Spacewar! Over the next 30 years, video games exploded in 【小题7】 (popular). More and more countries, such as South Korea, China and the United States, started to develop eSports into an industry. In the 2000s, television broadcasts of the competitions, 【小题8】 (feature) games like Street Fighter III, StarCraft, and Counter-strike, became popular. In the 2010s, thanks 【小题9】 online streaming services, eSports grew rapidly with more worldwide tournaments, more viewers, and larger 【小题10】 (prize). In 2020, the industry made more than US$1 billion for the first time ever.
