填空题 A．从下列单词中选择恰当的词填空，每个词只能用一次。 [*] People traveling long distances 51 have to decide 52 they would prefer to go by land, sea, or air. 53 anyone can positively enjoy sitting in a train for 54 than a few hours. Train compartments soon get cramped and stuffy. It is almost impossible to take your mind 55 the journey. Reading is only a 56 solution, for the monotonous rhythm of the wheels clicking on the rails soon lulls you to sleep. 57 the day, sleep comes in snatches. At night,when you really wish to go to sleep, you rarely 58 to do so. If you are lucky, enough to get a couchette, you spend 59 the night staring at the small blue light in the ceiling, or fumbling to find your passport when you 60 a frontier. Inevitably, you arrive at your destination almost exhausted.