如果症状持续，请咨询医生。

If symptoms ___persist, consult a doctor.

在我看来，她的成就基于她成功改变了在许多人心目中持续存在的残疾人的形象。

In my opinion, her achievement is based on the fact that she managed to alter the image of a handicapped person which ___persisted in many minds.

尽管政府努力，经济危机仍在持续。

The economic crisis ___persists despite government efforts.