题型:名词解释 下列有关说法正确的是( )A.铁制品镀层受损后,镀铜铁比镀锌铁更容易生锈B.CaCO3(s)=CaO(s)+CO2(g)室温下不能自发进行,说明该反应的△H<0C.N2(g)+3H2(g)⇌2NH3(g)△H<0,因此其他条件不变时升高温度,反应速率V(H2)减小D.铝制品的耐腐蚀性强,说明铝的化学性质不活泼 查看答案
题型:名词解释 The parents rushed to the hospital they heard that their son was injured.A.at the momentB.for the momentC.the momentD.in the moment 查看答案