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【单选题】
未利用扩散原理达到缓释、控释作用的方法是（ ）A.
．制成难溶性盐
B.
．包衣
C.
．制成微囊
D.
．制成乳剂
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【简答题】The discussion will very soon turn into ________ argument.
【单选题】The discussion will _____ the importance of love, communication and a close relationship between parents and their children.
A.
be imposed on
B.
be exhausted from
C.
revolve around
D.
pay a big price for
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