可用于制备脂质体的材料是
A.羟丙基甲基纤维素B.单硬脂酸甘油脂C.大豆磷脂D.无毒聚氯乙烯E.乙基纤维素
参考答案:C
________you were coming,I would have stayed at home.
A.If I know
B.Should I know
C.Had I known
D.If I should have known
病史:女性,55岁,胸闷、气短5天,加重1天。诊断()
A.右上肺炎
B.左下肺不张
C.左侧胸腔积液
D.左肺癌
E.气胸