颅底骨折有脑脊液外漏，近期处理正确的是
A．抗生素预防感染
B．脱水药物应用
C．清洗外耳道
D．无菌棉球填塞鼻腔
E．手术修补硬脑膜
参考答案：A
Your work experience is a big ________ in the job market but your poor eyesight will limit
your choices. [ ]
A. benefit
B. condition
C. promise
D. advantage
划阿基米德螺线准确度较高的划法是（）划线法。
A、逐点
B、圆弧
C、分段
D、圆弧和分段
a big ________ in the job market but your poor eyesight will limit