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A headmaster is giving a speech about how to perform successfully in an interview to a new school.
西藏野牛休息时,体态与岩石相似,有利于捕食和御敌.这种现象体现了( )
A.Cu+2HCl=CuCl2+H2↑ B.Zn+2HNO3=Zn(NO3)2+H2↑
C.2Fe+3H2SO4=Fe2(SO4)3+3H2↑ D.SO2+2NaOH=Na2SO4+H2O
E.Cu+2AgCl=CuCl2+2Ag F.Cu(OH)2+Na2CO3=CuCO3↓+2NaOH
G.2Fe+3CuCl2=2FeCl3+3Cu H.Ba(NO3)2+CuSO4=Cu(NO3)2+BaSO4↓