They can fly and move around in zero gravity(重力). They can also grow food in space. Later, they can bring the food back to Earth as a souvenir. These are the same things that astronauts usually do.Guests can also share what they see and hear with others on Earth. They can have ...
B Many people dream of travelling into outer space. However, spending too much time in space may cause health problems, according to NAS A.That's why astronauts shouldn't spend more than six months on the International Space Station(ISS)at a time.Muscle(肌肉) and bone loss In a weightless...
EMany people dream of traveling into outer space. However,spendingtoo much time in space may cause health problems, according to NASA.That's why astronauts shouldn't spend more than six months on theInternational Space Station(ISS) at a time.Muscle(肌肉) and bone lossIn a weightless environme...
根据“That’s why astronauts shouldn’t spend more than six months on the International Space Station (ISS) at a time.”以及下文可知,表格中间内容讲述的是宇航员一次在国际空间站停留的时间不应该超过六个月的原因。小标题首字母需大写。故填Reasons。 (2)题详解: 根据“In a weightless environment, ...
Many people dream of traveling into outer space, However, spending too much time in space may cause health problems, according to NASA. That’s why astronauts shouldn’t spend more than six months on the International Space Station (ISS) at a time. Muscle and bone loss In a weightless envi...
根据第二段第一句 "In a weightless environment, astronauts don't need to use their muscles to support themselves. Therefore, their muscles start shrinking(萎缩)" ,可知在失重环境中,宇航员不需要用肌肉来支撑自己。因此,他们的肌肉开始收缩。再根据第三段第一句 "In space, the sun rises every 90 ...
Astronauts practice spacewalks underwater in a huge special swimming pool. For every one hour they will spend on a spacewalk, astronauts need to train seven hours in the pool. Another way astronauts practice for a spacewalk is by using virtual reality(虚拟现实). It looks and feels just like...
根据第一段“ However, spending too much time in space may cause health problems.”可知,在太空待太长时间会出现健康问题,所以此表述错误。故选B。 (3)题详解: 细节理解题。根据第二段“To keep their muscles strong, astronauts need to exercise for 2 hours each day on the ISS.”可知,宇航员...
Senior Colonel Tang Hongbo ended his 216th day in orbit on Tuesday, extending his lead as the Chinese astronaut to have spent the longest time in space. ▲Tang Hongbo The 48-year-old from Hunan province is a member of China's sec...
He has also made two space flights within the shortest interval — two years and one month — of any Chinese astronaut. 他还完成了两次太空飞行,这是中国宇航员中间隔时间最短的一次——两年零一个月。 Twenty Chinese astronauts have been in space on 12 space flights. 在12次太空飞行中已经有20名...