题目

探究“水凝固时温度变化的特点”时,实验装置如图甲,试管中装入水,烧杯中装入盐水冰,从而可以完成实验,由此可知水的凝固点_____(选填“低于”“等于”或“高于”)盐水的凝固点;某一时刻温度计示数如图乙,此时水温度为_____℃;根据实验得到温度随时间的变化关系如图丙,在2-3.5min内试管中物质内能_____。The discovery of new evidence led to ______. A. the thief having caught                         B. catch the thief C. the thief being caught                          D. the thief to be caught
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