若A=(a2+4)4,则A=( ) A.a2+4 B.a2+2 C.(a2+2)2 D. 发布时间:2017-06-08 21:01 │ 来源:www.tikuol.com 题型:选择题 问题: 若A=(a2+4)4,则A =( )A.a2+4B.a2+2C.(a2+2)2D.(a2+4)2
题型:选择题 体检发现上肢血压升高,下肢血压不高或降低,形成反常的上、下肢血压差别,临床诊断应考虑()A.先天性多囊肾B.急性肾小球肾炎C.动脉粥样硬化性肾动脉狭窄D.先天性主动脉缩窄E.先天性肾动脉狭窄 查看答案
题型:选择题 The manager ____ nothing about the matter ____ he read his secretary’s report.A.had known, whenB.has known, beforeC.will know, afterD.knew, until 查看答案