—What should we do before we use the blender?—I think we must read __________.
A:information
B:instructions
C:notes
D: opinions
1946年夏,刘邓大军挺进大别山,人民解放军开始转入战略反攻。
冰的密度为0.9×103kg/m3,一体积为0.2m3的冰块全部熔化成水,水的体积为____m3