Touch down to Earth
China welcomed three heroic astronauts Zhai Zhigang，Wang Yaping and Ye Guangfu home on April 16.This return ended the Shenzhou XIII astronauts' six-month space mission.It also marks a major breakthrough for China's efforts in space.
In order to return home safely，they did a lot of preparations before leaving the space station.
If you are coming home after a long journey，you have to pack up For astronauts in space，besides their personal belongings，they"packed" experimental data and samples，they would be further researched on Earth.
The astronauts had to tidy up a large number of materials，including goods on the Tianzhou 3 cargo spacecraft，according to Zhong Weiwei，a researcher at the China Astronaut Research and Training Center.
Since the space station had no room service，the three astronauts needed to "clear the house" on their own.They collected a great amount of waste.This included leftover foods，sanitary （卫生） waste and waste from in-orbit experiments.The waste was then put into the orbital module（轨道舱），which burnt up as it reentered Earth's atmosphere.
To ensure their safe and sound return，the three astronauts had been doing physical exercise to train their muscles for the return to Earth.Based on their in-orbit physical examinations and data，experts had customize（定制） exercise plans for each of them to ensure a safe landing Travelling in space has been a dream for every Chinese.And now we are looking forward to more explorations.
（1）How did experts help the three astronauts return？
The experts customized exercise plans for each of astronauts to ensure a safe landing.The experts customized exercise plans for each of astronauts to ensure a safe landing.
（2）What preparations did the astronauts do before returning to Earth？（Give the answer with no more than 20 words）
The astronauts had to pack up，tidy up a large number of materials and clear the house.The astronauts had to pack up，tidy up a large number of materials and clear the house.
（3）What do you think of staying in space？Why do you think so？（Give the reason with no more than 15 words）
I think staying in space is very busy.Because astronauts need to do a lot of experiments and work.I think staying in space is very busy.Because astronauts need to do a lot of experiments and work.
【考点】航空航天．
【答案】The experts customized exercise plans for each of astronauts to ensure a safe landing.；The astronauts had to pack up，tidy up a large number of materials and clear the house.；I think staying in space is very busy.Because astronauts need to do a lot of experiments and work.
【解答】
【点评】
声明：本试题解析著作权属菁优网所有，未经书面同意，不得复制发布。
发布：2024/4/30 13:42:58组卷：51引用：1难度：0.5
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Welcome home!On April 16，astronauts Zhai Zhigang，Wang Yaping and Ye Guangfu safely came back to Earth from the Tiangong space station.There are many interesting facts about their landing.Let's take a look!
★（1）
When the Shenzhou XII came back from the space station in 2021，it took about 28 hours.This time，Shenzhou XⅢ cut down the number of orbits（环绕地球圈数） from eleven to five.It took just 9 hours to return!
★（2）
The re-entry capsule（返回舱） landed upright（直立的）.This landing position is rare in China's space flight history.Only Shenzhou VI and Shenzhou XⅢ have successfully done so.To achieve this，astronauts must let go off the parachute（降落伞） with precise timing.Landing upright makes sure that astronauts have the softest landing.
★（3）
The astronauts felt good after landing.But they still needed to sit on chairs.They need to spend a long time in recovering.Their muscles（肌肉） and bones became weaker.In the next few months，they will gradually get used to Earth's gravity（重力）.
★（4）
The astronauts said they missed food on Earth!It included noodles，porridge，shredded potatoes with vinegar（醋溜土豆丝），Sichuan sausages and yogurt.A tasty and healthy meal was waiting for them.
A．Speedy return
B．First meal
C．Keeping seated
D．Leaving capsule
E．Landing upright
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B．Health Cape
C．Science Study
D．Culture Exchange发布：2024/5/8 8:0:8组卷：6引用：1难度：0.5
