`III` :

Task `2` :

`1.`They are satellites, solar panels, rocket bodies and fragments from space shuttles that are floating in space and are no longer functional.

`=>`Dẫn chứng : Satellites, solar panels, rocket bodies and fragments from space shuttles that are floating in space and are no longer functional are considered space debris. ( Câu 1 đoạn 2 )

`2.`This pollution of man-made objects in space affects us here on Earth as well and will continue to affect us in future travel.

`=>`Dẫn chứng : This pollution of man-made objects in space affects us here on Earth as well and will continue to affect us in future travel. ( Câu 2 đoạn 2 )

`3.`It reentered over Canada and left debris over an area the size of Austria.

`=>`Dẫn chứng : In 1978, the Soviet Union Kosmos 954, which contained a nuclear power source, reentered over Canada and left debris over an area the size of Austria.

`4.`Because pieces of space debris hit their ship.

`=>`Dẫn chứng : In 1969, five Japanese sailors were injured by pieces of space debris that hit their ship.

`5.`No, it isn't.

`=>`Dẫn chứng : Many solutions are being considered by scientists and engineers. However, the challenge to finding a solution lies within all of the nations which take part in space exploration. ( Câu cuối của bài )