当光束通过下列分散系时,能观察到丁达尔效应的是( ) A.食盐水 B.酒精溶液 发布时间:2017-06-02 08:35 │ 来源:www.tikuol.com 题型:选择题 问题: 当光束通过下列分散系时,能观察到丁达尔效应的是( )A.食盐水B.酒精溶液C.硫酸铜溶液D.淀粉溶液
题型:选择题 — Do you often watch Man and Nature on TV? — Sometimes. It's an interesting program, but I _____ Sports News. [ ]A. prefer B. want C. enjoy D. miss 查看答案