正确答案: D

一束光线分别通过溶液和胶体时，后者会出现明显的光带，前者则没有

题目：下列关于溶液和胶体的叙述，正确的是

解析：【解析】胶体本身是不带电，只是其表面积较大，吸附了溶液中的离子而带了电荷，故A项错；溶液中的溶质，要看能否电离，若是非电解质，则不导电，也即不会移动，B项错；布朗运动本身即是无规律的运动，C项错；丁达尔效应可以用来区分溶液和胶体，D项正确。

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学习资料的答案和解析：

[单选题]

B． Also C． But D． Thus

Thus

[单选题]What has the woman decided to do on Sunday aftermoon?

To attend a wedding+

[单选题]Can you surprised by the ending of the film?--------NO,I____the book, so I already knew the story

had read

[单选题]DMany people to newspaper and magazines to express their opinions. Letters to the editor must carry the writer full name, address and telephone number, although the information is not necessary for publication. This requirement to provide personal particulars is a clear indication that writers are held responsible for what they say. When a writer wants his voice heard. He needs to claim ownership of his voice. Responsibility is the name of the game.

Names are required to indicate writers’ responsibility for what they say.

[单选题]Thousands of people to watch yesterday ‘s match against Ireland

turned out

[单选题]伴胞的活动是与筛管分子的运输功能有着密切的关系。( )

正确