71. The symptoms of flu may be unpleasant, but they (消失) within a few days.
Answer key
disappear
The symptoms of flu may be un…——2011 高考英语第 71 题答案解析
2011_省自主命题（陕西）
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先及格路线 · 英语 · 高难题
2011_省自主命题（陕西）
71. The symptoms of flu may be unpleasant, but they (消失) within a few days.
disappear