患者，女，18岁。发热，心悸，心前区疼痛，双侧肘、膝关节游走性疼痛6天。3周前曾患有扁桃体炎。查体：体温38℃，血压110／79mmHg，心率136次／分，律齐，第一心音减弱，心前区可闻及心包摩擦音，肘、膝关节红肿，活动略受限，肘关节伸侧可触及3个圆形、质硬、豌豆大小的皮下结节。最可能的诊断为（）
A.病毒性心肌炎
B.结核感染过敏性关节炎
C.亚急性感染性心内膜炎
D.风湿热
E.类风湿关节炎
参考答案：D
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| Food is everywhere in our lives. There are advertisements for food 1 on TV and in magazines. It's not surprising that many people eat three big 2 a day, and then they have lots of snacks 3 . Doctors say that people 4 eat like pigs. They should eat like birds! It's good for you to have four or five small meals a day. You should eat small amounts of food by taking small bites while eating. It can be 5 for you to eat two or three big meals a day, but these food habits are very 6 to change. Some people never change their eating habits. Other people are 7 to change. When they go to a restaurant, they 8 boiled (煮熟的) fish or chicken, and vegetables. They don't eat a rare steak (牛排) and sour cream. Doctors say that boiled food are good for people. They are better than fried foods. Sometimes, people don't have 9 time to think about food. At lunchtime many people run into a fast-food restaurant for lunch and eat a hamburger and French fries. While they are eating, they drink a soft drink. They can eat up a whole meal in 10 20 minutes. This is good for their daily timetable. But it is not very good for their digestive system or their weight! | ||||
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