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一、选择题1．下列液体中，属于清澈的是（）。（A）牛奶（11）无水酒精（C）泥水（D）澄清的石灰水2．下面关于港双的叙述，正确的是（）。（A）凡是透明的液体都是溶液（B）溶液中各部分的浓度均相同（C）只有水才可作溶剂（D）溶液都是由固体物质溶于水而形成的3．t；℃时，
First, multiple choice questions 1. Of the following liquids, which are clear (). (A) milk (11) anhydrous alcohol (C) muddy water (D) clear lime water 2. The following description of Gang Shuang is correct (). (A) All transparent liquids are solutions (B). The concentration of each part of the solution is the same (C) Only water is used as the solvent (D) The solution is formed by the solid material dissolved in water. t; °C,