说明：阅读下面的短文，从短文后所给各项的四个选项(A、B、C、D)中选出能填入相应空白处的最佳选项。

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　asmuch　

 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.isare 　have been has been　

 8.besidebywith　have　

 9.most　more　less　least

10.ifbecause ofwhen　because 　

11.offer take　reach afford

12.All 　None　NoEvery

13.more　greatly 　highlywonderfully 　

14.to love 　to loving to be loving　loving

15.reallyonly　actually　usually 　

16.for 　towith　on

17.ExceptBecause 　Besides 　/

18.other another 　the other some other

19.has had 　have　has 　have had　

20.other countries 　eitheralso　as well 　

答案:
DBCCA  ABCCD 
DCCAB  BABCD