①94+2-1-(π-3.14)0+3-27②(x-3)2-64=0③4a2(a 发布时间:2017-05-03 00:54 │ 来源:www.tikuol.com 题型:解答题 问题: ①94+2-1-(π-3.14)0+3-27②(x-3)2-64=0③4a2(a-3b)-(a+5b)(3a2-2b)④先化简再求值(x2-9y2)÷(xy+3y2),其中x=-4,y=2
题型:解答题 男性,26岁。受凉后突然畏寒,高热,左侧胸痛伴咳嗽,咳少量铁锈色痰,胸部X片见左下肺大片淡薄阴影。其最可能的诊断是()A.金黄色葡萄球菌肺炎B.结核性胸膜炎C.肺炎球菌肺炎D.原发性支气管癌合并阻塞性肺炎E.急性原发性肺脓肿 查看答案
题型:解答题 Hearing that he would have to be given another injection, the boy _ a smile to cover up his fear.A.woreB.managedC.strengthenedD.controlled 查看答案