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问题 单项选择题

热疮外治不宜选用的剂型为（）

A.水剂

B.霜膏

C.酊剂

D.水粉剂

E.油膏

答案

参考答案：C

选择题
Little _____ about A-H1N1 so far, so there is no doubt that many people are afraid when talking about the disease.

A. did scientists know
B. scientists have known
C. have scientists known
D. had scientists known
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单项选择题

HPV的重要意义在于（）

A.肺内分流增加，加重低氧血症

B.肺内分流增加，减轻低氧血症

C.肺内分流减少，减轻低氧血症

D.肺内分流减少，加重低氧血症

E.肺血管扩张，肺血流量增加
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