With the Mid-Autumn Festival,one of the most important reunion 11．(occasion)for Chinese people,just around the corner,China?s space heroes came home.

With a crew of three astronauts,Shenzhou-12 manned spacecraft succeeded in12．(separate)with China?s Tianhe space station core module(核心艙)13．Thursday morning,before its return to Earth.Having lived and worked in orbit for 90 days,the crew has set a record of the14．(long)space stay in a single flight for Chinese astronauts,which is thought to be a15．(remark)achievement.

Shenzhou-12 craft landed in the Dongfeng landing site near the Jiuquan Satellite Launch Center16．(locate)in the Gobi Desert.The change of the landing place is due to the fact that returning from a space station can be different from a spaceship for it?s harder to calculate the exact landing point.Therefore,landing in the desert is a 17．(relative)safer option.

During their 90-day stay in orbit,varieties of tasks 18．(carry)out by Nie Haisheng and his fellow members,19．laid a solid foundation for future missions and the long-term operation of China?s space station.“Every stage of China?s approach to the universe is a big challenge,20．China has shown great competence.”said Nie.