内容正文:
专题09 阅读理解精练精析20篇
期中真题+名校模拟
(2021·广东·铁一中学九年级期中)
Chinese athletes did a great job at the Tokyo 2020 Olympic Games, winning 88 medals in total. But did you know that there are many cool technologies — even space technologies — behind their success?
Quan Hongchan, a 14-year-old diving darling who won the gold, said an AI training system helped her train. Developed by Baidu, the system analyzes(分析) a diver’s body posture from the diving board until he or she enters the water. A dive can last less than two seconds. But the AI can catch many important details, such as the diver’s starting height, entry speed and angle. These data are sent to coaches right away.
Before setting out for Tokyo, some Chinese athletes visited the China Academy of Aerospace Aerodynamics(中国航天空气动力技术研究院). The technologies there are normally used to develop rockets and missiles. But they can also help rowers, swimmers and cyclists.
“For example, rowers in the women’s quadruple sculls(四人双桨赛艇) came to my lab and used a w