导数题是高考题中的常客,而且大都以压轴题的面目出现,所以拿下导数题是迈入高分段的标志.导数题虽年年有,但却悄然之中发生着些改变.这其中,尤以关于“任意”、“存在”的内容最为明显.“任意”、“存在”可以说是导数题最为明显的特色,从早期单一型发展到现今的混合型,本文对此类问题作一归纳.一、单一函数单一“任意”型 Derivative question is the regulars in the college entrance examination questions, and most of the face of finale questions appear, so won the derivative problem is a sign into the high segment. Derivative problems although there are years, but quietly some changes have taken place. Among them, the most obvious is the content about “any ” and “existence ” “Arbitrary ”, “Existence ” can be said to be the most obvious feature of the derivative problem, from the early single type to the present Mixed type, this paper gives a summary of such issues. A single function of a single “arbitrary” type