Ⅱ．完形填空。从A、B、C、D四个选项中，选出一个正确答案，并将所选答案的字母填写在答题纸上。（本大题共15小题，每小题1分，共15分）

Fill in each blank in the passage with the most likely answer. (15 points)

The United States is well-known for its network of major highways designed to help a

driver get from one place to another in the shortest possible time.   16   these wide modem

roads are generally smooth and well maintained, with   17   sharp curves and many straight

sections ,a direct route is not always the most   18   one. Large highways often pass   19   

scenic areas and interesting small towns. Furthermore ,these highways generally   20   

large urban centers, which means that they become crowded with   21   traffic during rush

hours, when the “fast, direct” way becomes a very slow route.

However, there is almost always another route to take   22   you are not in a hurry. Not

far from the   23   .new “superhighways”, there are often older,   24   heavily traveled

roads which go through the countryside. Lots of these are good two-lane roads; others are

uneven roads   25   through the country. These secondary routes may go up steep slopes,

along high   26   ,or down frightening hillsides to towns   27   in deep valleys. Through

these less direct routes, longer and slower, they generally go to places   28   the air is clean

and the scenery is beautiful, and the driver may have a   29   to get a fresh, clean   30   

of the world.

16. A. Although         B. Because                 C. Since                   D. Therefore

17. A. little                B. few                        C. much                   D. many

18. A. terrible            B. possible                  C. enjoyable              D. profitable

19. A. to                   B. into                        C. over                    D. by

20. A. lead                B. connect                  C. collect                 D. communicate

21. A. large               B. fast                        C. light                     D. heavy

22. A. unless             B. if                           C. as                        D. since

23. A. relatively         B. regularly    &nbs p;            C. respectively          D. reasonably

24. A. and                B. less                        C. more                   D. or

25. A. driving            B. crossing                 C. curving                D. traveling

26. A. rocks             B. cliffs                      C. roads                   D. paths

27. A. lying               B. laying                     C. laid                      D. lied

28. A. there              B. when                     C. which                  D. where

29. A. space             B. period                    C. chance                 D. spot

30. A. view               B. variety                    C. visit                     D. virtue