A:2Na2O2+2H2O===4NaOH+O2↑
B:C+H2OCO+H2
C:Cl2+H2O===HCl+HClO
D:2F2+2H2O===4HF+O2
根据注音写汉字。
母亲来到tābài____的老屋,看见满院láng jí____的东西,不禁sù sù____地流下泪。
— The computer is working all the time.
— Sorry. I have forgotten ______.