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【单选题】
下列关于微粒分散体系稳定性的叙述错误的是（）A.
分散相与分散介质之间存在着相界面，但由于高度分散，因而没有表面现象出现
B.
分子热运动产生布朗运动，是液体分子热运动撞击微粒的结果
C.
絮凝状态是微粒体系物理稳定性下降的一种表现，但振摇可重新分散均匀
D.
分散体系按分散相粒子的直径大小可分为小分子真溶液、胶体分散和粗分散体系
E.
微粒分散体系由于高度分散而具有一些特殊的性能
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【单选题】Jack is a very stubborn(顽固的) person. I was unable to _____ him to do as I said. I want to as
A.
250. Jack is a very stubborn(顽固的) person. I was unable to _____ him to do as I said. I want to ask you to have a word with him. A．let
B.
make
C.
prevent
D.
Persuade
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