Crew members of Shenzhou XIl mission gave a science lecture（講座）400 kilometers above Earth to millions of students on Thursday afternoon，December 9，2021 in the Tiangong space station.
The three astronauts Zhai Zhigang，Wang Yaping and Ye Guangfu greeted students，teachers and other viewers when the lecture started in the afternoon.They explained their life and work inside the space station.
The astronauts made scientific experiments to display interesting physical phenomena（現(xiàn)象）in space，such as "disappearing buoyancy" and a "water ball".They also invited young viewers to do similar experiments along with them to see the differences between space and land environments to experience the fin of exploration.Besides，they answered questions from students during the lecture.
Tens of millions of teachers and students across China，including Hong Kong and Macao watched the hour-long televised event.They were excited to have such a chance to understand more about biology，physics and chemistry through the experiments in space.
 The lecture was an eye-opening experience that would increase students' interest in science. —Shi Yi，a teacher from Beijing |
 I was happy and surprised.It was the first time I had attended such a meaningful activity. —Ngawang Tenba，a primary school student |
 The astronauts' experiments really surprised me.I would like to take part in our country's space exploration program in the future. —Wang Yihan，a 5th-grade student |
 The activity showed the nation's technology development，and our students have learned some new things that we could not teach in a class on Earth. —Rinchen Drolkar，a teacher from Tibet |
（1）When was the science lecture given about space？
On Thursday afternoon，December 9，2021.
On Thursday afternoon，December 9，2021.
（2）What did the astronauts do during the lecture？ （One example is OK.）
They explained their life and work inside the space station.
They explained their life and work inside the space station.
（3）What can you learn from the teachers' and students' words about the lecture？
They all think the lecture is really useful and meaningful.
They all think the lecture is really useful and meaningful.
（4）What's the advantage of the lecture？
It will help spread knowledge about space and increase the love for science among young people.
It will help spread knowledge about space and increase the love for science among young people.
（5）What do you expect from the next lecture？Why？
We will discuss the future development of space exploration with the astronauts.Because it will develop students' interest in science and make them take part in our country's space exploration program in the future.
We will discuss the future development of space exploration with the astronauts.Because it will develop students' interest in science and make them take part in our country's space exploration program in the future.
【答案】On Thursday afternoon，December 9，2021.；They explained their life and work inside the space station.；They all think the lecture is really useful and meaningful.；It will help spread knowledge about space and increase the love for science among young people.；We will discuss the future development of space exploration with the astronauts.Because it will develop students' interest in science and make them take part in our country's space exploration program in the future.
【解答】
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發(fā)布：2024/4/20 14:35:0組卷：2引用：1難度：0.8
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