5个月男孩，发热、咳嗽、喘憋3天。查体：体温37.5℃，呼吸68次／分，呈呼气性呼吸困难，呼气时有呻吟，伴明显鼻翼扇动及三凹征，满肺喘鸣音，肺底部有细湿啰音。白细胞7.0×109／L，淋巴细胞占78%。本病例诊断最大的可能是（）
A.呼吸道合胞病毒肺炎
B.腺病毒肺炎
C.葡萄球菌肺炎
D.革兰阴性杆菌肺炎
E.肺炎支原体肺炎
参考答案：A
| 阅读下列对话，回答问题。 |
| Man: Hello! John: Hello! Can I speak to Chen Jie, please ? Man: Sure. please hold on. She's doing homework. Chen: Hello! John: Hi. This is John. Chen: Hi, John. What are you doing ? John: My family is having a field trip. Chen: Really ? That's fun. What is your father doing ? John: Guess. Chen: Is he taking pictures ? John: Yes, he is. Chen: Is your mother listening to music ? John: No, she isn't. she's playing chess. Chen: What's your brother doing ? John: He's having a picnic. Chen: Have fun. John: Thank you. See you later. chen: Bye Example: Who wants to speak to Chen Jie ? John Questions : 1. What's Chen Jie doing ? 2. Is John's father taking pictures ? 3. What's John's mother doing ? 4. Who is having a picnic ? 5. Do they have fun ? |   |