配制皮内药物过敏试验液应选用()
A．0.9%氯化钠溶液
B．无菌注射用水
C．5%葡萄糖注射液
D．10%氯化钠溶液
E．5%复方氯化钠溶液
参考答案：A
He__________ the envelope and recognized his father's handwriting. [ ]
A. stared at
B．glared at
C. looked at
D.glanced at
以下各项属于原发性高血压的并发症的是（）
A.脑血管病
B.高血压危象
C.高血压脑病
D.主动脉夹层
E.糖尿病
