【单选题】A 65-year-old man with a history of alcohol abuse has had hematemesis for the past day. Physical examination reveals mild jaundice, spider angiomas, and gynecomastia. He has mild pedal edema, normal j...
【简答题】A long time ago, there lived a poor man whose real name has been forgotten. He was little and old and his face was wrinkled, and that was why his friends called him Mr. Vinegar. His wife was also litt...
【简答题】An old man died and left his son a lot of money. But the son was a foolish young man,he quickly spent all the money, so that soon he had nothing left. Of course, when that happened, all his friends le...