EXERCISE 23
  　All the wisdom of the ages,all the stories that have delighted mankind for centuries, are easily and cheaply __1_ to all of us __2_ the covers of books--- but we must know how to avail¹ ourselves __3_ this treasure and how to get __4_ from it. The most __5_ people all over the world,are _6__ who have never discovered how _7__ it is to read good books.
  　I am very interested in people,in meeting them and __8_ about them.Some of the most _9__ people I have met existed only in a writer's imagination,then __10_ the pages of his book,and then,again,in my imagination.I have found in books new friends,new societies ,new words.
  　If I am interested in people.others are interested not so much in who __11_ in how.Who in the books includes everybody from science-fiction superman two hundred centuries in the futureall the way back to the first __12_ in history;how __13_ everything from the ingenious² explanations of Sherlock Folmes __14_ the discoveries of science and ways of teaching³ manners to children.
  　Reading can make our minds feel pleased,_15__ means that it is a little like a sport;your eagerness and knowledge and quickness __16_ you a good reader.Reading is __17_ ,not because the writer is telling you something ,__18_ becuase it makes your mind work.Your own imagination works⁴ together with the __19_ or even goes beyond his.Your experience,__20_ his,bring you to the same or different conclusions,and you ideas develop as you understand his.

1)    A useful           B new            C readable      D available

2)    A  in             B at              C within       D with

3)    A  of             B with            C for          D in
 
4)    A  the more        B the most        C the much     D the less
 
5)    A  lucky          B fortunate        C unfortunate   D misfortune
 
6)    A  these          B that             C this         D those
 
7)    A  satisfied       B dissatisfied       C satisfying     D dissatisfying
 
8)    A  to find out     B finding out        C to find       D finding
 
9)    A  remarkable    B notorious          C hostile      D rude
 
10)   A  on           B in                C off         D with
 
11)   A  like          B and               C or         D as
 
12)   A  number       B point             C part        D figure
 
13)   A  recovers      B discovers          C uncovers    D cover
 
14)   A  to           B in                C until        D into
 
15)   A  that          B which            C what        D as
 
16)   A  do           B convert           C impose      D make
 
17)   A  fun          B funny              C uninteresting  D exhausting
 
18)   A  and          B for                C since         D but
 
19)   A  the author    B the author's         C the compiler   D the compiler's
 
20)  A  comparing with B compared with      C comparing to   D compared to
 
 
 
参考答案：
1--5  CCABC       6--10  DCBAA        11--15  DDDAB        16--20  DADBB