Beijing ?(13, July) China sent up a new data relays atellite (数据中继卫星), Tianlian I -02, on

发布时间:2020-08-16 19:02:10

Beijing ?(13, July) China sent up a new data relays atellite (数据中继卫星), Tianlian I -02, on Monday at the Xichang Satellite Launch Centre in South-western Sichuan province.The new satellite will promote the country's satellite munication network for space docking (对接).
The satellite was launched on a Long-March-SC carrier rocket at 11:41 p.m., sources at the centre told Xinhua News Agency.The satellite separated from the rocket 26 minutes after its launch and was then successfully delivered into a geostationary transfer orbit (地球同步转移轨道).
Developed by the China Academy of Space Technology under the China Aerospace Science and Technology Corporation, the satellite is the country's second data relay satellite.The first, Tianlian I -01, was launched on April 25.2008.
The two satellites will form a network to improve munications between China's spacecraft and bases on Earth, according to the centre.They will also be used to help the nation's first space docking, scheduled for the second half of this year.
As planned, China will launch space module Tiangong-I (天宫1号), which was designed as a platform that will dock with an unmanned spaceship, Shenzhou, for the county's first space-docking mission this year.
Two more Shenzhou spaceships will dock with Tiangong-I next year, and one will be manned by two or three astronauts, according to China Manned Space Engineering Office, which was the main user of the Tianlian I series data relay satellites.
The new satellite can cover a greater area to track and mand the country's space vehicles m low-Earth orbits, such as manned spacecraft and remote sensing satellites, from a higher position m outer space.Only three satellites of this kind are needed to form a global munication network, and China has two now. Pang Zhihao, a researcher and deputy editor-in-chief of Space International, said.
The satellite could also equip astronauts with real-time munications, which will benefit the county s future manned space flights, he said.
【小题1】What is the main purpose to send up Tianlian I -02 ?A.To test the function of a Long-March-SC carrier rocket.B.To carry some astronauts into space to do some research.C.To send more information and clearer pictures to mobile phones on the earth.D.To promote the country's satellite munication network for space docking'【小题2】From the passage we know    .A.one more such satellite is needed to form a global munication networkB.the satellite was developed by China Manned Space Engineering OfficeC.it was less than three years since China launched its first date relay satellite of this kindD.the satellite could help track and mand space vehicles in orbits because it's lower in position【小题3】Which of the following is TRUE according to the news report?A.Shenzhou Ⅷ is a manned spaceship.B.Tiangong- I will dock with three Shenzhou spaceships next year.C.the satellite is of great importance to China's space exploration.D.china’s first ^a06 docking will be done in the second half of next year.【小题4】The best title of the passage could be     .A.China Launched a New Space ShuttleB.China's Plan for Space ExplorationC.China’s Progress m China's Space ExplorationD.New Satellite Helps China's Space ExplorationD 

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(答案→)D 
解析:
【小题1】事实判断题。根据文章第一段可知答案。
【小题1】细节题。由倒数第二段可知。
【小题1】推理判断题。A,B和D为错误叙述,与事实不符合。文章着重强调该卫星的重要性.
【小题1】 主题概括题。全文阐述新卫星对中国太空事业发展的影响,如最后一段等。
以上问题属网友观点,不代表本站立场,仅供参考!