如图所示某房间温度计的示数是______℃．
用一个定滑轮和一个动滑轮组装滑轮组有两种绕线方法．聪聪和明明各选取一种方法做实验．
某同学进行了冰的熔化规律探究实验，其实验中的数据记录于下表格
从冰的熔化图象可知冰是一种______（晶体、非晶体），熔化过程至少持续了______min．
0 93732 93740 93746 93750 93756 93758 93762 93768 93770 93776 93782 93786 93788 93792 93798 93800 93806 93810 93812 93816 93818 93822 93824 93826 93827 93828 93830 93831 93832 93834 93836 93840 93842 93846 93848 93852 93858 93860 93866 93870 93872 93876 93882 93888 93890 93896 93900 93902 93908 93912 93918 93926 235360
| 时间t/min | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | |
| 温度t/c | -4 | -3 | -2 | 1 | 2 | 3 | 4 | 5 |