Do you like the space? Do you know how astronauts work in space? They work in space and 1 (/ju:z/) robots' arms and hands to do their work. But why do they w 2 heavy spacesuits?

  When they stay 3      (在.. 內(nèi))the space station, astronauts are comfortable. The  4  there stays at about 2l°C.But outside the station, the temperature can be too hot or too  5  for people. In the sunlight, it's about 120T1，w 6 in the shadow of the station, it's about-85X1. So when astronauts walk in space, they have to wear spacesuits.

  Spacesuits can also keep astronauts 7          (/self/) from flying rubbish in space. Every time people go into space，they 8        (留下)a lot of rubbish there and some rubbish moves as 9  as a plane！

  It takes a lot of time to get ready for space walking. So space walking is not e 10 ，and it can be dangerous.

1._______ 2.________ 3.________ 4.________

5._______ 6.________ 7.________ 8.________

9._______ 10.________

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