A. It is weightless in space .B . Life in space is dangerous .C. Most astronauts lack enough training .D. If sleeping upside down astronauts will feel uncomfortable.(4)Which role do the astronauts in the Space Station play?A . Scientists .B. Environmentalists .C . Skilled workers in ...
The International Space Station, the space shuttle, and satellites are designed to stay in orbit, neither falling to the ground nor shooting off into space. They orbit the Earth about every 90 minutes. So, when you are in orbit, you are in free fall, and are weightless....
thermal stress calcul thermal test method f thermal transfer prin thermal weightless thermal-control shiel thermal-protective co thermalcoefficientofe thermalconfinement thermaldiscoloration thermalelongation thermalimagingcamerat thermalimagingtube thermally stimulated thermalmetamorphism thermalpincheffect thermalpipe ...
“star” and gave it to her little girl. Wang once said that as astronauts, women have their own___. “Women are more patient and can better___loneliness. Women’s hearts are also easier to adapt (适应) to the weightless environment, making them more___for long-time tasks.” “These...
Voices are almost the only things that are not changed by being weightless,which means that everything has almost no weight in space. Some astronauts feel sick for the first few days in space.Some feel as if they have a cold all the time.That's because without gravity(...
There are many problems connected with space travel. The first and greatest of them is gravity ( 地球引力 ). If you let your pencil drop to the floor, you can see gravity in action. Everything is down to the earth by magnetic force. The weight of something is another way of describing...
How long wil tourists experience weightlessnes in space?A. For about an hour.B. For about ten minutes.C. For about half an hour.D. For about four minutes. 相关知识点: 试题来源: 解析 The seats are comfortable.The walls are padded(覆软垫的) and white, and there arehandles(把手) ...
D. Answer the questions (根据短文回答问题): (6分)If you are a space fan, you should not miss the Hong Kong Space Museum. It has many collections and holds activities for both adults and children. You will enter a world of space science there.Film shows In Robots (《机械智友》 ), a...
Space stations are like large houses that need much care and attention. Much of the crew's time is spent preparing and carrying out scientific experiments. At least two hours each day is spent on exercise. It is necessary to keep the crew healthy. In some ways, livin...
Almost every child has had a dream, and learn about space travel in the weightless environment of life is like, but this desire for a variety of reasons are often difficult to achieve. 翻译结果5复制译文编辑译文朗读译文返回顶部 Each children all once vainly hoped for nearly the past outer spa...