题型:判断题 . Now everyone is concerned about how to conquer the economic crisis _______ is very important for us to be able to preserve our standard of living.A.which successB.its successC.the success of whichD.the success of it 查看答案
题型:判断题 男,6岁。右下肢间歇性跛行及右髋部疼痛4个月就诊。患儿作X线摄片检查,最符合股骨头骨软骨炎第三期的X线表现为()A.股骨头骺扁平,密度增加B.股骨头骺扁平,分裂成小块状C.关节间隙变窄,髋臼也出现破坏D.关节肿胀间隙增宽,股骨近端虫蚀样破坏E.股骨头变大,股骨头密度与邻近骨质相同 查看答案