—There will be more and more robots going into people's homes.
— . We might be able to leave all the chores to them.
A:Not really
B:No way
C:You're kidding
D:I hope so
(A)铝+氧气→三氧化二铝
(B)氢气+氧气 →点燃 水
(C)碱式碳酸铜 →加热 氧化铜+水+二氧化碳
(D)乙炔+氧气 →点燃 二氧化碳+水.