Directions: There are 10 blanks in the following passage. For each numbered blank, there are 4 choices marked A, B, C and D. Choose the best one and mark your answer on the ANSWER SHEET with a single line through the center.

We know we have to read "between the lines" to get the most out of anything. Marking up is also a useful practice, __51__ you shouldn’t mark up a book which isn’t yours. Librarians __52__ lend you books expect you to keep them clean, and you should .If you decide that I am right about the usefulness of marking books, you will have to __53__ them.

There are three kinds of book owners. The first has all the standard sets and best sellers—unread, __54__.The second has a __55__ many books —few of them read __56__, most of them dipped into, but all of them as clean and shiny as the day they were bought. The third has a few books or many—every one of them __57__ and dilapidated (残破的).

Why is __58__ a book indispensable to reading? First, it keeps you awake. I mean wide awake.In the second place, reading if it is active, is thinking, and thinking __59__ express itself in words. Finally, writing helps you __60__ the thought you had, or the thoughts the author expressed.

51. A. but             B. although         C. and          D. so

52. A. whom          B. who            C. which         D. what

53. A. buying          B. buy            C. borrow        D. exchange

54. A. untouching       B. untouched        C. touching       D. touched

55. A. great           B. large           C. big          D. greater

56. A. on             B. aloud           C. through         D. about

57. A. dog-earing       B. dog-eared        C. to be dog-eared    D. to dog-ear

58. A. marking up       B. mark up         C. to mark up       D. to mark

59. A. tend to         B. tends to         C. tending to       D. tending

60. A. remember        B. forget         C. remembering     D. forgetting

51-55 ABBBA    56-60 CBABA