Some years ago the captain of a ship was...

Some years ago the captain of a ship was very interested 36   medicine. He always  37  medical books to sea and liked to talk about different diseases. One day a lazy sailor on his ship pretended 38 ill. He lay on his bunk（铺位） and groaned as if he 39  very sick. The captain came to see him and was very pleased to have a patient to   40   .  He told the man to rest for a few days and   41 the other sailors do his work. Three days later 42   sailor pretended that he had   43 with his chest. 44   the captain looked in his medical books and told the “sick” man 45.

The other sailors were very 46 because they had   47 work to do. The patients had the best food and laughed at their friends when the captain was not 48 .  49  the mate（大副）decided to punish the sick men and mixed up some soap, soot（烟灰）, glue and other unpleasant things. Then he got   50   from the captain to give his new medicine to the “sick” men. When they tasted the medicine, they really did feel ill. It was  51horrible that one of the patients jumped out of his bunk, ran up on deck and climbed the  52  mast（桅杆）on the ship. The captain 53  that the men had tried 54 him. So he made them 55 very hard for the rest of the ship on the sea.

14.A At first     B. At the beginning    C. At last   D. At the end