How astronauts eat, sleep and walk in space 相关知识点: 试题来源: 解析 宇航员在太空中吃特制包装食品并用磁具固定,睡在固定睡袋中,通过抓扶手或推进装置移动。 1. **饮食**:太空微重力下食物会漂浮,因此他们使用特制脱水食品,加水复原后食用,餐具带有磁性或固定装置防飘散。2. **睡眠**:没有上下方向,...
A Do you know how astronauts(宇航员) work in space? They walk in space and use robots' arms and hands to do their work.But why do they wear heavy clothes space suits(太空服)?Inside the space station, astronauts are comfortable. The temperature there stays at about 21° C. But outside...
comfortable.The temperature there stays at about 21℃.But outside the station,the temperature can be too hot or too cold for people.In the sunlight,it's about 120℃,while in the shadow (阴影) of the station,it's about-85℃.So when astronauts walk in space,they have to wear space ...
comfortable.The temperature there stays at about 21℃.But outside the station,the temperature can be too hot or too cold for people.In the sunlight,it's about 120℃,while in the shadow (阴影) of the station,it's about-85℃.So when astronauts walk in space,they have to wear space ...
Astronauts Take Another Walk: How Far Have Spacewalks Come?NASA astronauts completed their second spacewalk in two weeks onThursday, stepping out into the...Schouten, Lucy
46题答案:A 考查细节理解题,根据文中的第一段They walk in space and use robots'arms and hands to do their work可知他们走在太空中,用机器人的手臂和手做他们的工作 是正确的,故答案A. 47题答案:B 考查细节理解题,根据文中的第二段Inside the space station,astronauts are comfortable可知 在太空站,...
So when astronauts walk in space, they have to wear spacesuits.Spacesuits can also keep astronauts safe from flying rubbish in the space. Every time people go into space, 4 leave a lot of rubbish there. And some rubbish moves as fast as a planet!It takes a lot of time to 5ready ...
[translate] a安琦儿 An Qier [translate] a Do you know how astronauts work in space? They walk in space and use robots'arms and hands to do their work. But why do they wear heavy clothes space suits(太空服)? 正在翻译,请等待... [translate] ...
The main difference between life on the International Space Station (ISS) and life here on terra firma is microgravity, which forces you to float around rather than walk. To prepare newbie astronauts for such conditions, NASA, or in this case, the European Space Agency (ESA), takes new astr...
After Yang Liwei succeeded in circling the earth, ___our astronauts desire to do is walk in space. A.where B.what C.that D.how 试题答案 在线课程 B 解析: 本题考查名词性从句。what作do的宾语;what our astronauts desire to do 是主语从句,what作do的宾语。 练习册...