学进去

Sometimes I have thought it would be excellent to live each day as if we should die tomorrow. Such an attitude would emphasize _________ the values of life.

Those who have never_________   the loss of sight or hearing seldom make the fullest use of these capabilities. Their eyes and ears_________ all sights and sounds hazily(模糊地), without concentration and with little_________ . I have often thought it would be a good thing if each human being were stricken _________ and deaf for a few days at some time. Darkness would make him more appreciative of sight; _________ would teach him the joys of sound.

Recently I was visited by a good friend who had just _________ from a long walk in the woods, and I asked her what she had _________ .“Nothing in particular,” she replied. How was it possible-walk for an hour through the woods and see nothing___________ of notice? I who cannot see find hundreds of things to ____________   me through mere touch. I feel the delicate symmetry (对称) of a leaf and I touch the ____________ of trees hopefully in search of a bud(芽), the first sign of____________ Nature after her winter’s sleep. The miracle of Nature is ____________ to me and the changing seasons are an exciting and unending drama, the action of which streams through my____________ .

If I can get so much pleasure from mere ____________   , how much more beauty must be revealed by sight?