How Do Astronauts Prepare for Space Travel?航天员升空前要经过哪些训练？

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The year 2024 marks the 21st anniversary of China’s first manned space mission， with Yang Liwei becoming the first Chinese astronaut to go to space. Since then， 22 Chinese astronauts have reached for the stars. Experts revealed how tough the training is before astronauts can soar to space.

The human body is not designed for space life. Astronauts are confronted with multiple challenges on a space mission. The changes in gravity can have an impact on their bodies. The sensation of isolation living in a small confined spacecraft for months can impair their mental health. Emergencies during missions challenge their knowledge and ability to solve problems under huge pressure. So it’s no wonder that astronauts have to go through a tough training program and meet extremely high standards.

2024年是中国首次载人航天飞行任务成功21周年。（剩余1754字）