Crew members of the Shenzhou XIII mission return to Earth

After orbiting Earth for six months, the three crew members of China’s Shenzhou XIII mission have departed from the Tiangong space station and     1     (return) to the mother planet on Saturday morning,     2     (finish) the nation’s longest manned spaceflight. Zhai Zhigang,     3     was the mission commander, Wang Yaping and Ye Guangfu breathed fresh air for the first time after the half-year space journey     4     ground recovery staff opened the hatch of their re-entry at 10:03 a.m. Medical service     5     (work) on the site told China Central Television that the astronauts are     6     good condition. The reentry capsule touched down on the Dongfeng Landing Site in the Gobi Desert at 9:57 am.     7     (carry) by the Shenzhou XIII spacecraft , the mission crew witnessed it undocking (脱离) from the Tiangong station at 12:44 am. The spacecraft circled the Earth several times to     8     (gradual) approach the mother planet. In the last hours of     9     (they) stay inside the Tiangong, the astronauts worked with ground controllers     10     (fit) the station, transmit some experimental data back to Earth and sort out materials. (China Daily)

Fifty years ago, China successfully launched its first satellite, Dongfanghong 1, and started     1    new chapter in space exploration.     2    (mark) its 50th anniversary, the China National Space Administration announced the name for the country’s Mars planetary exploration program    3     April 24. The mission, Tianwen got its name from a long poem Tianwen written by Qu Yuan, a famous poet of the Warring States Period. In the poem, Qu raised a series of    4    (question) concerning the sky, stars, natural phenomena, myths and the real world,     5    (reflect) his doubts on traditional ideas and his pursuit of truth. So far, China has made    6    ( remark) progress in space exploration.

In 1970, China launched its first man-made Earth satellite, becoming the fifth country in the world to launch man-made satellites     7    (independent). Over the past few years, China’s missions, including the Shenzhou and Change series designed to explore outer space,    8    (expand) mankind’s understanding of Earth and the universe. This time, the Tianwen series will carry out the first Mars exploration mission,    9     represents a milestone for Chinas move toward deep space. As the names deep roots in Chinese traditional culture, Tianwen demonstrates the    10    (determine) and perseverance of Chinese people to move further into deep space.

Throughout history, mankind have been working hard on the space     1     (explore) to learn more about the universe though it was thought     2     (possible) before the mid-20th century. However, so many scientists were     3     (determine) to help humans realize their dream.

With the first satellite launched and orbiting around Earth successfully, Yuri became the first astronaut     4    (send) into space in 1961. After that, American astronaut Neil Armstrong     5    （succeed) in stepping onto the moon. Although the failure of Challenger was     6     (disappoint), human beings went on with their desire to explore the universe, the International Space Station being the best example.

Following Russia and America, China became the third country in the world to     7     (independent) send humans into space in 2003,     8    Yang Liwei successfully orbited Earth. From then on, China made great progress in its space programme.

All in all,     9     the difficulties, scientists hope future     10     (discovery) will not only enable us to understand how the universe began, but also help us survive well into the future.