Unit 2 课文语法填空- 高中英语牛津译林版（2020）选择性必修第三册.docx

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1、选择性必修三Unit2 课文填空 ReadingLife on a space stationLiving in space is every would-be astronaut's dream. My six-month stay on a space station has come to 1._ end, and it has been a challenging but magical adventure. I bet you'd love to know what daily life is like up in space and how it 2._(diffe

2、r) from that on the Earth-the low gravity 3._ (definite) makes ordinary things strange!The strangeness of living in space is apparent 4._ the moment we sleep. Due to the near 5._(absent) of gravity in space, we have to attach ourselves so that we don't float around. We usually sleep in private q

3、uarters, 6._ are more like large cupboards, or in sleeping bags attached to the walls or the ceiling. It's strange that we try to sleep with no pressure against our back, but the 7. _(usual) beds don't bother us any more. After about eight hours of sleep, we start our day of work.The routine

4、 tasks that occupy most of the day are 8._ (demand), but they can also be extremely rewarding. Our main mission is 9._(conduct) scientific research. We need to evaluate the effects of low gravity on animals and plants. Creatures such as mice, fish and 10._(mosquito) have also been sent to the statio

5、n! In a low-gravity environment, we can learn more about changes in cells and microorganisms 11._the microscope. As well as doing these biological experiments, we carry out experiments in other research fields. I have been working on one experiment which locates and 12._(track) lightning over large

6、regions of the Earth. 13._(hope), it will cast new light on the Earth's climate and lead to better lightning protection. With so much going on, the space station needs a lot of maintenance, so we 14._(constant) check support systems and do some cleaning. The most 15._ (challenge) work takes plac

7、e when we need to perform tasks outside the space station: such an testing new equipment, monitoring scientific experiments or repairing the space station. 16._ the circumstances, it's time for a spacewalk. First, we put on our 17._(spacesuit), which allow us 18._(breathe) in space and protect u

8、s from exposure to the cold and radiation, Then we head out, and sometimes perform tasks for hours at a time, with the beautiful Earth visible below. Splendid 19._ the view of the Earth is, spacewalking is not as exciting as you might think. It's probably the most dangerous work, with potential

9、risks such as electric shocks. That's 20._ every spacewalk is carefully planned.In view of the low gravity environment, eating is also different in space, Most food is dried or freeze-dried, It's a luxury to eat fresh food, because fresh produce such as fruit and vegetables can only 21._(del

10、iver) to the space station from the Earth every couple of months. Salt and pepper are only in liquid form, so that they will not float away and block the air pipes. 22._, liquids can't be easily controlled in space.We must drink water or any other liquids out of a bag through a thin tube o plast

11、ic. Furthermore, to keep our body healthy, we must ensure a 23._ (balance) supply of nutrients by taking pills.Spending some time in the gym is of vital 24._(important) to astronauts health. Did you know that in just five months, astronauts could lose a significant amount of muscle and bone mass? 25

12、._(consider) these negative effects low gravity has 26._ the human body, we discipline 27._(us) to do at least two hours of exercise every day Exercise in space is not your average workout. We have to be tied onto specially designed exercise equipment 28._ (stop) ourselves from floating around.Durin

13、g our leisure time, there's nothing we like more than to sit back with the rest of the crew and watch our remarkable planet go by, 29._(take) pictures for our family and friends back home. As the space station travels at a speed of about 17,500 mile per hour, we get to see the sunrise every 90 m

14、inutes. In these precious moments, all the 30._ (challenge) of life in space seem worth it.选择性必修三Unit2 课文填空 Extended-readingWhy we exploreIn 1969, 1. _ Neil Armstrong first landed on the Moon, many people thought that soon we would be regularly visiting other planets in our solar system and would ev

15、en dare to travel beyond it. This is clearly not the case. The 2. _(real) is that space exploration is extremely difficult and dangerous, can take a very long time and costs a huge amount of money. Some people believe that 3._ space exploration expands our 4. _(understand )of the universe, it is a w

16、aste of the public purse and does nothing to enhance the quality of our lives here on the Earth. Why do we continue to explore space, then?It is in our nature to explore. From the very early days of human life on the Earth, our 5. _(curios) about the unknown has kept us adventuring into new places.

17、We long to visit thick and wild forests, climb vast mountain ranges, and cross deep oceans. We desire to explore the furthest frontier of all-space. 6. _ Stephen Hawking once said, "Remember to look up at the stars and not down at your feet. Try to make sense 7. _ what you see and wonder about

18、what makes the universe exist. Be curious." 8. _we are fascinated by the sky is evident in ancient tales from around the world, such as that of Chang'e. While space exploration is a reality, we remain curious about the 9. _(mystery) of the universe. With each space mission comes greater ins

19、ight, thus 10. _(motivate) us to continue along the same path of adventure.The results of these space investigations have made major contributions to 11. _ understanding of the origin, evolution, and 12_(like) future of the universe, such as planets, stars, and all other forms of matter and energy.

20、13. _(explore) space helps address fundamental questions about our place in the universe and the history of our solar system. 14. _ is through our research into space that we have confirmed that the Earth is round and that it orbits the Sun. As we learn more about the universe, we may one day answer

21、 the question 15. _ there is life on other planets.With technologies first researched and developed for space exploration, we can solve some of the big problems facing mankind, making our lives safer and easier One of these is earthquake shock absorbers. Shock absorbers originally 16_(apply) to the

22、space shuttle launch have also been set up in the cities with a high 17. _(frequent) of earthquakes in order to protect buildings and save lives. Some technologies need further research to 18. _(well) solve real-life problems. For example, liquid hydrogen is a clean alternative energy source that is

23、 used widely as rocket fuel, and it is likely that hydrogen fuel cell vehicles will be mass-produced and launched in the near future. These scientific and technological advances can provide benefits to societies on the Earth in many areas 19_(include) health, energy and information technology. This

24、should be 20. _ strong motive for continuing to explore space.Although space exploration demands huge 21. _(invest), the space industry can actually bring great economic value. It 22. _(calculate) that the global space economy is increasing 23. _ billions of dollars every year. At the same time, spa

25、ce exploration can provide a variety of career opportunities for young people. Jobs in the space industry go far beyond the astronauts that receive widespread media 24. _(cover). There are many support staff on the ground, such as engineers, mechanics and research 25. _(assist).Moreover, the amazing

26、 work these people do can provide education and inspiration for the next generation. For me 26_(person), this is by far the biggest reason 27. _ humanity to explore space. Such wonders as a space shuttle launch or astronauts walking on the Moon are 28. _(incredible) exciting and inspiring to witness

27、, and it can be these moments that shape children's lives forever and motivate them to become the scientists and engineers of the future. It is this kind of inspiration that keeps our thirst for 29. _(know) alive and ensures that advances in space exploration and many other fields will continue to be made. When you have seen a man walk on the Moon, you grow up believing that 30. _ is possible!