金丽衢十二校2024学年高三第二次联考政治答案
金丽衢十二校2024学年高三第二次联考政治答案于2025-03-13发布,目前免费查试卷答案网站已经汇总了金丽衢十二校2024学年高三第二次联考政治答案的各科答案和试卷,更多试卷答案请关注免费查试卷答案网站。
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8.As a film fan,I hope I can make a film
can make pcople think deeply.
A.where
B.which
C.when
D.who
9.
The future of space food could be simple and strange. For decades, astronauts have relied mostly on pre-packaged food or the occasional grown vegetables during their visits to outer space. With missions beyond Earth’s orbit in sight, a NASA-led competition is hoping to change all that and start a new era of sustainable space food.
To solve the problem of feeding astronauts on long-duration missions, the US space agency started the Deep Space Food Challenge in January 2022, asking companies to propose novel ways to develop sustainable foods for future missions. About 200 companies entered, which were narrowed down to 11 teams in January 2023 as part of phase 2. On November 19, NASA announced the teams that will progress into the final phase of the competition, with some winners to be announced in March, 2025.
All teams had to show systems that could operate for three years and feed a crew of four on a future space mission. The proposals did not need to supply a crew’s entire diet, but they did need to create a variety of nutritious foods for the astronauts.
One company took an incredibly unusual approach to the task. Air Company, based in New York, designed a system that could use the carbon dioxide breathed out by astronauts in space to produce alcohol, which can then be fed to yeast (酵母)and produce “something that’s suitable for eating”. “It’s making food out of the air.” says Stafford Sheehan, cofounder and chief technology officer of Air Company, “It sounds like magic, but when you see it actually operating, it’s much more simple.”
Interstellar Lab in Florida had a different approach. Its system, called NUCLEUS, is a set of small capsules. Each is self-contained, with its own temperature, watering system, etc. That would allow different vegetables to be planted so that astronauts can easily grow their own food in space.
While the winning ideas from the Deep Space Food Challenge won’t immediately be used by astronauts, they show what might be possible on future missions. “You’ve got to start years in advance to make sure you have the capability in place when you need it,” says Ralph Fritsche, senior project manager for space crop production at NASA’s Kennedy Space Center in Florida.
32. Why was the Deep Space Food Challenge launched
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D.(a)(b)中碳原子的杂化类型完全相同
(7)H2O2溶液浓度下降(或液体中的 H2O2质量逐渐减少等答案合理即可)
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