患者，女，30岁。发热恶寒，口腔腐烂，进食困难，咽痛等反复发作3次，病程15～40天不等，其中间隔 30～50天发作。此次复发，患者精神委靡，面色少华，寒热(38.3℃)往来，热多寒少，口糜及喉，色白，咽干痛，频凉饮，进食困难，不思饮食，寤时困倦，寐时蒙胧，前阴及肛门周围溃疡面四处，最大的溃疡面约5厘米×4厘米，有水分泌物，舌红，苔剥表面溃疡约占舌面三分之二，脉滑稍数。化验检查：白细胞9.6×10⁹/L，血红蛋白75g/L，血沉28mm/h(魏氏法)，红斑狼疮细胞(阴性)。
要求写出：诊断、病因病机、治法、选方、用药。

根据句意, 用括号中所给词的正确形式填空, 每空不限一词.

1. The police believe these footprints are one of the _____________ (thief).

2. The man in his _____________ (forty) is the person who saved that boy.

3. The old man said that he __________ (lie) in bed from eight to ten last night．

4. No country _________ (make) such great progress as China in the past thirty years.

5. All the students _____________ (divide) into four groups and then they went on hiking with four

    teachers.