During 7. the 21-hour stay in space, he flew around the Earth 14 times. It is really hard for ordinary people 8. to travel (travel) in space.There is no gravity in space, so people don't feel 9. comtortable (comfort). Yang's story tells10. us (we) that nothing is impossibl...
Astronauts live and work in space stations. Astronauts use sleeping bags to sleep. And they need a patch(眼罩), or it'll be too bright for them to fall asleep. There is no gravity in space. Astronauts float in the space station.
In 2012, Japan restructured its administrative organs related to the development and use of space through legal amendments to the original acts that established these organs. Although this was an important administrative reform that took four years of planning and discussion to accomplish, this ...
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Einstein didn't believe gravity was a force at all; he said it was a distortion in the shape of space-time, otherwise known as "the fourth dimension" (seeHow Special Relativity Worksto learn about space-time). Basic physics states that if there are no external forces at work, an object...
F [本 "The lack of ... eaten in space. "说 了重 力也是宇航员饮食中需要考虑的因素之一;下文“Aloose knife...dangerous.”说明了刀在太空舱到处弹跳是危险 的,F项(同样的原因,锋利的刀叉在船上从不使用。 )中的 the same reason指的就是 The lack of gravity (pull)。故选F。 ] 39. B ["...
根据第二段第一句“Thereisalmostnogravityinspace, soastronautsdonothavetosleeponthebedorthefloor.(太空中几乎没有重力,所以宇航员不必睡在床上或地板上。)”可知,宇航员在太空做很多事情很困难的原因是太空中几乎没有重力,故选D。57.【答案】B【解析】题干的意思是:宇航员为什么在太空中使用勺子?A.把果汁倒...
NASA Marshall Space Flight Center (NASA-MSFC) How do astronauts poop? Regardless of whether you're in your living room or orbiting thousands of miles above Earth in the international space station, when nature calls, you have to listen. But when you're in zero gravity, something as simple...
根据"There's no gravity(重力) in space, so we'll all be able to float(漂浮)around in the spaceship. 太空中没有重力,所以我们都可以在宇宙飞船中漂浮。"可知因为没有重力。故答案为Because there is no gravity.(4)By spaceship.细节理解题。根据"The spaceship will leave ...
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