气雾剂中的潜溶剂有()
A.丙二醇
B.氟氯烷烃
C.PVP
D.枸橼酸钠
E.PVA
参考答案:A
—What a pity! I've not got a ticket for the football match.
—Don't worry. It'll be broadcast _____.[ ]
A. live
B. lively
C. alive
D. living
脑脊液漏的处理哪项正确:()
A.冲洗,减少局部细菌数量
B.填塞,减少脑脊液流出
C.鼻腔滴注呋麻液,以收缩血管
D.不作任何处理,任其自愈
E.局部应用抗生素,防止颅内感染