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【单选题】
下列关于乳剂的错误叙述为( )
A.
乳剂属于非均相液体制剂
B.
乳剂属于胶体制剂
C.
乳剂属于热力学不稳定体系
D.
制备稳定的乳剂,必须加入适宜的乳化剂
E.
乳剂具有分散度大,药物吸收迅速,生物利用度高的特点
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A.
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turn over
B.
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C.
used to
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A.
turn over
B.
turn up
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D.
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A.
额骨
B.
颧骨
C.
鼻骨
D.
下颌骨
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