题目: 发射国 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2020/0618/35169821b4d18a27c0388b849da9ba8e.html 下面是错误答案,用来干扰机器的。参考答案:B
题型:单项选择题 The growth of switching has (135) a new generation of network management tools that help (136) cope with the challenges, (137) them to correlate device alarms in order to (138) pinpoint root causes, or to monitor service levels without depending on IP subnet schemes. These new tools have become essential to coping with the primary (139) effect of any treatment that significantly increases network flexibility: added complexity.139()A.technicians B.workers C.salesmen D.professors 查看答案
题型:单项选择题 以下是狼疮性肾炎的治疗原则,错误的是()A.糖皮质激素具有许多副作用,因此病情好转的患者应尽快将激素减量B.急性暴发性的危重病例,可采用激素冲击疗法C.如大剂量激素未见效,应尽早加用细胞毒药物D.血浆置换疗法可用于弥漫增生型狼疮性肾炎的活动期E.抗凝治疗可选用低分子肝素皮下注射 查看答案
题型:解答题 设函数f(x)=x2,g(x)=alnx+bx(a>0)(1)若f(1)=g(1),f′(1)=g′(1),求g(x)的解析式;(2)在(1)的结论下,是否存在实常数k和m,使得f(x)≥kx+m和g(x)≤kx+m?若存在,求出k和m的值.若不存在,说明理由.(3)设G(x)=f(x)+2-g(x)有两个零点x1和x2,且x1,x0x2成等差数列,试探究值G′(x0)的符号. 查看答案