For the first few months of 2021,Mars was crowded with new "visitors" from Earth.First,it was the UAE Space Agency's Hope,followed by the Chinese Tianwen-1.The name comes from the long poem Tianwen,written by Qu Yuan,a great poet of ancient Chjye.aia.In Tianwen,this name conveys China's steady effort in pursuing truth and culture of exploring the universe.
The Tianwen-1 rover landing has orbiting,landing and roving (巡視) components—the first mission to include all three on its first attempt.Landing on Mars is extremely dangerous.It requires entering the atmosphere at very high speeds,then slowing down before landing.As to Tianwen-1,a heat shield(防熱護(hù)罩)protected the spacecraft during the fiery (燃燒的) landing,after which the mission safely parachuted (使空降) down to the Utopia Planitia (烏托邦平原).The landing platform fired small,downward-facing rocket engines to slow down during the last few seconds.
China's Mars rover,called Zhurong after an ancient Chinese fire god,sent back images of the surface of Mars captured by a camera on its front,which functions as an "eye" to detect barriers and get around jye.aim.The Utopia Planitia,where Tianwen-1 landed,has long been believed to contain vast amounts of water ice.Zhurong will first and foremost study Martian soil and atmosphere and search for signs of water ice,which suggests the existence of life.
Tianwen-1 is China's first interplanetary(行星間的) mission.Meanwhile,China is working with Russia on a sample-return mission scheduled to launch in 2024.China is open and inclusive in the development of its space technology to build a community with a shared future for mankind.
(1)Why was China's "visitor" to Mars named Tianwen? DD
A.To emphasize the value of exploring Mars.
B.To arouse readers' interest in reading classics.
C.To illustrate the long history of writing poems.
D.To show China's constant struggle in space exploration.
(2)Which of the following contributed to the safe landing on Mars? AA
A.The heat shield on the spacecraft.
B.The camera on the front of Zhurong.
C.The flat landscape of the Utopia Planitia.
D.The rocket engines above the landing platform.
(3)What is the primary target of Zhurong on Mars? BB
A.To build a shared future for mankind.
B.To look for signs of life on the red planet.
C.To push the boundaries of space exploration.
D.To inform people of our achievements in space.
(4)What can we learn from the text? DD
A.China is the first country to land a rover on Mars.
B.China is confident of the existence of life on Mars.
C.Tianwen-1 proves joint efforts matter in space research.
D.Tianwen-1 marks the start of China's interplanetary exploration.
【考點(diǎn)】說明文.
【答案】D;A;B;D
【解答】
【點(diǎn)評】
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發(fā)布:2024/4/20 14:35:0組卷:1引用:1難度:0.6
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