题目

在探究“冰熔化时温度与时间的关系”实验中,把碎冰装在大试管中,将大试管放在盛有水的水槽中加热。水槽中的水用的是常温水而不用开水,这样做是为了    A.缓慢加热          B.均匀受热       C.增大受热面积        D.缩 短实验时间 答案:A  ______ has recently been done to provide more buses for the people , a shortage of public vehicles remains a serious problem . A. That         B. What         C. Despite what      D. Though what
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