题型:问答题 简答题 ---I’m a little weak in Maths. I don’t know how to improve it. --- Why not __________ Daniel for help? He’s very good at it.A.askB.asksC.askingD.to ask 查看答案
题型:问答题 简答题 患者,女,49岁,双髋关节疼痛2年余,加重2个月。跛行,双髋关节活动受限。患者有因皮肤病曾长期服用激素病史为进一步明确诊断,下列哪项检查最有实用价值()。A.髋关节B超B.髋关节MRI检查C.髋关节核素骨扫描D.髋关节血管造影E.髋关节穿刺+活检 查看答案