完形填空（20分） Not so long ago, if you avoided drinking water during a workout（训练）, you were considered tough. Today, most experts     36   , you would be considered unintelligent. Even in you don’t sweat much or feel    37   and even if there is a nice breeze,    38     experts say drinking water- or something    39   is necessary before, during and after all warmer-weather   40  . Only a few years ago, many coaches   41   players from drinking anything during the game----they thought it was   42   for them to rinse(漱口) their mouths,   43  swallowing anything might slow them down. Now, there’s   44   plenty of water on the sidelines for athletes to drink. The National Hockey League even   45   goalkeepers to put water bottles on top of their nets. These new practices   46  be lost on the recreation(消遣) athlete. Some   47  advise you to drink about two cups of water 15 minutes or so after you   48  exercising and the same amount every 15 minutes. In some types of exercises-running, for example-others encourage drinking a cup or two of water   49  the workout. Don’t drink any more, experts say too much fluid makes   50 and exercise uncomfortable. In   51   continuous hot-weather exercise,   52   can sweat and breathe away 1.8 kilograms of   53   an hour. Drinking water does two things: restore some   54   and allow you to keep sweating so the skin can be kept  55  . Doctors say drinking six or eight cups a day can help digestion. 36. A. discover                     B. suggest                     C. agree                       D. fear 37. A. thirsty                       B. hungry                     C. hot                          D. tired 38. A. labour                       B. children                   C. water                       D. exercise 39. A. else                          B. instead                           C. fresh                        D. tasteful 40. A. seasons                     B. lessons                     C. days                         D. activities 41. A. excused                           B. discouraged                    C. prevented                 D. saved 42. A. possible                           B. unnecessary              C. difficult                   D. right 43. A. but                                  B. then                         C. therefore                  D. though 44. A. seldom                     B. forever                     C. usually                     D. sometimes 45. A. allows                      B. promises                  C. forbids                     D. guides 46. A. couldn’t                           B. wouldn’t                  C. shouldn’t                  D. mustn’t 47. A. teachers                           B. parents                     C. players                     D. doctors 48. A. stop                           B. start                         C. give up                    D. begin with 49. A. after                          B. before                     C. with                         D. from 50. A. walking                           B. breathing                  C. swallowing              D. drinking 51. A. heavy                        B. easy                         C. pleasant                    D. everyday 52. A. a patient                    B. a drinker                  C. an athlete                 D. an expert 53. A. air                            B. atmosphere              C. oxygen                     D. water 54. A. sweat                         B. weight                           C. breath                     D. height 55. A. warm                        B. strong                     C. cool                         D. safe