题目内容：
提示：病人头痛，发烧，咳嗽，大夫听诊后说，他的肺没有什么大问题，问他在家吃过什么药？病人说只吃了些头疼片。大夫给他开了药，嘱咐他好好休息和大量喝水。 Doctor: ( 51 ) ?
Patient: I feelbad and have got a terrible headache.
Doctor: Maybe , you have a cold. Do you ( 52 )?
Patient: Yes, I feel cold.
Doctor: Let me listen to your chest. Breathe deeply.
Patient: ( 53 ) with my lungs?
Doctor: Nothing serious. Don't worry.
Patient: But I cough a lot. Oh yes, I was caught in the rain yesterday.
Doctor: ( 54 ) At home?
Patient: Yes, but only a few painkillers.
Doctor: Take this medicine three times a day. Remember to ( 55 ) . You'll be all right soon.
Patient: Thank you , doctor. Bye.
阅读对话，回答题。
请在51处填写正确答案
参考答案：【答案仅供学习，请勿对照自行用药等】
答案解析：