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表面活性剂在表层聚集的现象称为(),其改变了溶液表面的性质,表现出较低的表面张力,从而产生较好的润湿性、乳化性、起泡性等。
依据现行中国《公务员法》,公务员津贴的种类主要有 ( )
在家庭评估资料收集过程中,直接面谈法是指()。
请说明“钩尾销螺栓、螺母、开口销无丢失”是()检查范围和质量标准。
原始社会教育的内容是简单的,主要内容是( )。
我国一对夫妇在中国有住所,后取得美国国籍,现在我国法院要求离婚,则我国法院:( )。
以下哪种饮料(曾)是“中国之队”的赞助商()
破产债务的确认标准是什么,包括哪些内容?
从耳后入耳中,出走耳前的经脉是()。
保和丸中配伍莱菔子的主要用意是()
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