Ответ:

1 A)  Besides, if you have a window seat, you can get a wonderful view of the beautiful cloudy sky.

2 C) And if you are hungry, you can have a meal in the dining car.

3 B) They don't have to buy tickets  and  to  carry  heavy  luggage.

4 FALSE -  Many people enjoy travelling by air   because  of  the  meal  and  the  entertainment  on  board.

5 FALSE  - Turbulence  can  also  spoil  the  flight.

6 FALSE - Modern  trains  are  very  comfortable.