1. (2021八下·来宾期中) 你将听到一篇短文，请根据短文内容，选出每个问题的最佳答案。

1. （1） Mars (火星) is the closest ______________ of the earth.

   A . friend B . star C . neighbour
3. （2） The writer thinks ______________ people would like to go to Mars by spaceship.

   A . some B . a few C . most
5. （3） Some scientists think there is ______________ on Mars.

   A . life B . water C . nothing
7. （4） The ______________ on Mars is not good for life.

   A . air B . water C . earth
9. （5） Have scientists found any life on Mars yet?

   A . Yes, they have. B . No, they haven't. C . we don't know.