C. To find out how long humans can stay in space. D. To study how space travel produces a change in the human body.65. What's Scott's advice for young pcople? A. To get into good habits. B. To find whnt they love. C. To keep trying. D. To take up new hobbies. 相关知...
Although it sounds like it would be great fun to travel to outer space,it would be a lot of work,too.Traveling to outer space needs lots and lots of preparation. Once you are in space,nothing can come on board the ship and nothing can go out.You must take all you ...
Humans naturally exhale this colorless gas, but breathing in too much of it is hazardous to your health. On Earth that usually isn't a problem because plants absorb CO2. Yet gardening space is limited on the ISS, which forced engineers to devise other means of removing excess carbon dioxide...
Before we send humans into deep space, we’ll have to find out just how long the human body can survive in a weightless environment. One problem is that in space there’s no physical sensation to let you know when you’re upside down and astronauts have to rely on possibleclues from th...
[translate] afar reaching 正在翻译,请等待... [translate] athe only purpose of how humans live and work in space would be to prepar for long-term space missions 唯一的目的怎样人居住和工作在空间是对prepar为长期航天任务 [translate] 英语
Do you know how much the house is worth. Don't hesitate anymore. The best time to invest is now. Employers are encouraged to B sales in the form. A travel accent is a person of business that arrange these people's holidays and then raise. Although the young man failed in starting ...
While there have been other rice experiments in space, the one being conducted on Tiangong is the first of its kind. It aims to produce the complete life cycle of the plant, which begins with a seed and...
可为局___ light travels! Humans can not travel ___ it.可为局可为局 A. How fast; fast as
Space farming requires greater understanding if humans are to survive in space without constant contact from Earth. Space farming simply refers to growing plants in space. At first glance this might not seem too tricky, but the inherent properties of space and our ability to travel and live in...
In some parts of the world they are revered and protected; in other places they are captured and eaten for dinner. One thing is certain: They’re everywhere.