证明方程xxx1nn-1+n1的整数,在区间1,12内有且仅有一个实根;(II)记(I)中的实根为xn,证明limnnx存在,并求此极限
Othersarguethatsincetheearthhasenduredalongstringoficeagesinthelasttwomilliontothreemillionyears,anywarmingis________tobetemporary.
Thedirectorrecommendedthatshe________(study)moreEnglishbeforegoingabroad.
在社会主义改造的过程中对农民不采取剥夺办法的原因是___________。
_______themovieIwouldhavefinishedmypaperlastSunday.