Americans travel by air in ( 1) the same way as Europeans and ( 2) travel by train. There are, in fact, not many railroad stations ( 3) in the USA, ( 4) the track (足迹，轨道，跟踪) is still being used, since most of America's freight (货运，运输) is still carried ( 5). As for passengers, there is a vast network (网状织物，网状系统) of airlines and airports in easy ( 6) of almost every American town. Airports, now the travel centers of the USA, ( 7) comfortable places ( 8) coffee shops and bars and clean restrooms.

　　Flying in America is ( 9) expensive than in many other countries, (10) the government subsidized (补助) air fares. Yet the different airlines are not state-owned and compete (竞争，竞赛) with one another for passengers.

　　Those who cannot (11) either train or plane take the Grey-hound (猎狗，卑鄙的人，骚扰) bus. (12) transport system (系统，制度) in the world carries so many passengers by night and by day. Drivers are (13) aid and have a wonderful safety record.

　　Europeans tend (14) their cars. But Americans treat their cars (15) as vehicles which are important (16) their lives — to take them to work, to shopping (购物) places, to picnics or to their friends. (17) when they take a vacation they rarely (稀少地，难得地) drive long distances.

　　There is (18) form of travel which is widely used in the USA, — the rented car. Every city and town (19) at least one car rented firm (公司), some of them are nationwide and have branches abroad (20).

　　1.all more　as　much

　　2.Japaneses the Japanese　the Japan Japans

　　3.kept　remained　left　remaining

　　4.for when　although　because

　　5.by train　on train　in train　with train

　　6.reach　grasp (抓紧，领会)　master　range

　　7.is　are have been has been

　　8.beside　by　with　have

　　9.most　more　less　least

　　10.if　because of　when　because

　　11.offer take　reach afford

　　12.All None　No　Every

　　13.more　greatly highly　wonderfully

　　14.to love to loving to be loving　loving

　　15.really　only　actually　usually

　　16.for to　with　on

　　17.Except　Because Besides /

　　18.other another the other some other

　　19.has had have　has have had

　　20.other countries either　also　as well

　　参考答案：1-10 DBCCA ABCCD　11-20 DCCAB BABCD