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2022届名校最新素材各地模拟试题好题集锦(广东专用)
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(2022·广东·深圳市高级中学二模)
Three Chinese astronauts from the Shenzhou-13 manned spaceship returned to the Earth after completing their six-month mission. One of their major goals was to prepare the station for future groups of taikonauts(中国航天员)who will complete theassemblyof the space station.
Thanks to a new quick return procedure carried out for the first time, Shenzhou-13’s return trip lasted about nine hours rather than the 24-hour trip for Shenzhou-12, with the return capsule only circling the Earth five times before entering its final return orbit instead of 11 times as in past missions.
The Shenzhou-13 crew was responsible for taking out some of the science instruments to be used for experiments on the station. They also performed two spacewalks, conducted more than 20 different science experiments in addition to delivering two live educational lectures.
Taikonaut Wang Yaping, who gave the first public class from the Tiangong-1 space station, gave two such classes on this trip to Tiangong-2, which were viewed by millions of school children in China.
In addition, the taikonauts were sent questions from 20 schools in 13 U.S. states by American school children. The pre-recorded questions and responses were shared with students, parents and teachers at a “My Questions to Taikonauts” event on April 9 sponsored by the Chinese Embassy in Washington, D.C.
This was the first six-month mission, which will give those on the ground the opportunity to study the effects of the longer duration mission on the taikonauts, especially on the ageing process. The six-month stay will be common for astronauts in the future.
Visiting the Wenchang Space Launch Center on April 15, Chinese President Xi Jinping said that the facility serves China’s new-generation, heavy-lift carrier(运载)rockets and plays a significant role in the country’s deep-space exploration. The Chinese President called for efforts to achieve “world-leading standards” for China’s sp