设关于x的方程2x2+ax+2=0的两根为α,β,且α2+β2=1α+1β,则α 发布时间:2017-04-26 23:53 │ 来源:www.tikuol.com 题型:填空题 问题: 设关于x的方程2x2+ax+2=0的两根为α,β,且α2+β2=1α+1β,则α=______.
题型:填空题 No. 2 Hospital has got a good _______ for fighting against the flu with its careful and smooth organization.A.impressionB.influenceC.reputationD.knowledge 查看答案
题型:填空题 阅读《女娲造人》,回答问题。你认为女娲是一个什么形象的化身?结合本文谈谈你对她的认识。________________________________________________________ 查看答案