And as this is 1（）of the techniques of mankind，so it is true of mankind’s 2（）resources.Most of these resources，both 3（）and spiritual，are stored in books.Books are man’s 4（）accomplishment.When you have read a book，you have 5（）to your human experience.Read Homer and your mind includes a 6（）of Homer’s mind.Through books you can 7（）at least fragments of the mind and 8（）of Virgil，Dante，Shakespeare--the list is 9（）.For a great book is necessarily a （）；it offers you a 11（）you have not the time to live yourself，and it takes you into a world you have not the time to travel in 12（）time.A civilized 13（）is，in 14（），one that contains many such lives and many such 15（）.If you are too much in a 16（），or too arrogantly proud of your own 17（），to accept as a gift to your 18（）some pieces of the minds of Aristotle，or Chaucer or Einstein，you are 19（）a developed human nor a useful 20（）of a democracy.9应填入（）