Ответ:

  1. magazine — the others are connected with space.
  2. robot — the others are connected with travelling.
  3. coin — the others are electronic devices.
  4. pool — the others are connected with football.
  5. radio — the others are connected with space.
  6. hotel — the others are television programmes.

Ответ: 1) magazine; 2) robot; 3) coin; 4) pool; 5) radio; 6) hotel.