颅底骨折有脑脊液耳、鼻外漏时,下列处理哪项是错误的
A.应用抗生素
B.忌腰穿
C.禁擤鼻涕
D.冲洗消毒后用棉球堵塞
E.床头抬高15°~20°
参考答案:D
On returning home, she found a note _______ to the door, _______ “Call in later.”
A.attaching; reading
B.attaches; saying
C.attached; which reads
D.attached; reading
下列哪种试剂可使蛋白质的二硫键打开()
A.溴化氢
B.2,4-二硝基氟苯
C.β巯基乙醇
D.碘乙酸
E.三氯醋酸