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问题
单项选择题
属主动靶向制剂是
A.固体分散体制剂
B.微囊制剂
C.前体药物
D.动脉栓塞制剂
E.pH敏感靶向制剂
答案
参考答案:C
选择题
The Yellow River is one of the _______ in the world.
A. longest river
B. longest rivers
C. much longer river
D. much longer rivers
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解答题
正方形的边长增加8米,它的面积就增加64平方米.______.(判断对错)
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