题目

听下面一段较长对话，回答以下小题。【1】Where did the accident happen?A. On a highway B. On a freeway C. On a road【2】What was strange about the accident?A. Two people got hurt B. The truck turned over C. No one was killed 答案：【答案】【1】 A 【2】 B 【解析】此题为听力题，解析略。【1】此题为听力题，解析略。【2】此题为听力题，解析略。甲、乙两种不含结晶水的固体物质的溶解度曲线如图1所示。根据图示判断,下列说法中,不正确的是A．甲、乙两种物质的溶解度都随温度的升高而增大B．在t1℃时，甲、乙两物质饱和溶液溶质的质量分数相等C．将t1℃时甲的饱和溶液升温(溶剂不蒸发)，溶液浓度增大D．当甲中含有少量乙时，可用冷却热饱和溶液的方法提纯甲