第28题: [单项选择]关于颅底骨折,下列哪项错误() A. 颅前窝骨折可出现“熊猫眼” B. 颅中窝骨折可出现鼻漏 C. 颅后窝骨折可出现乳突区皮下瘀斑 D. 有脑脊液漏时禁行腰穿 E. 脑脊液漏时一般应在2周内自行停止,若不停止,即应行手术修补 参考答案:E 答案解析:脑脊液漏者迁延1月以上仍不愈合可根据病人情况行脑脊液漏修补术。
A. are still a must on certain occasions B. are bound to retum sooner or later C. are still being taught by parents at home D. can help improve personal relationships 参考答案:A 答案解析:根据最后一段中的“The fine points of etiquette...must be picked up lsewhere.”"employees... may be competen