题干

____可以将水烧开,能使热气球飞上天。

上一题 下一题 0.0难度 选择题 更新时间:2018-03-15 09:19:09

答案(点此获取答案解析)

热能

同类题4


-----What happened here yesterday?                          
-----An adventurer was walking at the foot of the mountain ______ suddenly a stone fell and hit him on the head.