CuO+___=___+H2O___+NaOH=Na2CO3+_______+2HCL=____+___+CO2↑___+Zn=Zn(NO3)2+_______+H2SO4=MgSO4+___+___↑

CuO+___=___+H2O___+NaOH=Na2CO3+_______+2HCL=____+___+CO2↑___+Zn=Zn(NO3)2+_______+H2SO4=MgSO4+___+___↑ 2n+7n=(___+___)n=___ 写出下列物质的电子式:(1 )KCL___、(2 )MgCl2___、(3 )Cl2___、(4 )N2 ___、(5) H2O___、(6 )CH4___ 英语：把词补充完整1. ___ ___ t___ ___2. ___ ___ ___ ___ ___ ___ a ___ ___ ___ ___3. ___ ___ ___ g4. ___ ___ t5. ___ e ___ ___ ___ ___ ___6. ___ ___ l7. ___ ___ ___ e8. ___ ___ ___ o ___ ___ ___9. ___ n ___ ___ ___ ___ 饱和一元卤代烃的通式为___（n>=___）或者___ %>___ (>___ return from=___ ___ ___? ___,x,v,t,___,p,n The girl is good at singing.=___ ___ girl ___ ___ good at singing.=___ ___ ___girl ___ ___ ___.还=___ ___ girl ___ ___ ___ ___ singing. 已知：4x16x32=2^n,则n=___ 英语翻译My sister is ___ ___ working in that company.=My sister ___ ___ ___ ___ ___ ___ ___ ___. He said,I lost my pen yesterday.=He said that ___ ___ ___ ___ pen ___ ___ ___. 等差数列an=6n-8 则a1=___ d=___ 给下面单词加一个字母ear+___=___ hat+___=___ us+___=___ our+___=___and+___=___ now+___=___ each+___=___ Kitty came here three years ago=It ___ ___ ___ ___ since Kitty __ ___ 英语翻译The ___ ___ is ___ ___ ___ ___ ___. 数学题求答案!速度!年利率=___×12,利息=___×___×___,利息税=___×___税后利息=___×（1-___）,本利和=___+___税后本利和=___+___