高炉冶炼中,以下哪些反应式是间接还原()。
A、FeO+CO=Fe+CO2
B、FeO+C=Fe+CO
C、FeO+H2=Fe+H2O
参考答案:A, C
You may not have played very well today,but at least you’ve got through to the next round and _______.
A.tomorrow never comes
B.tomorrow is another day
C.never put off till tomorrow
D.there is no tomorrow
煤矿安全监察机构监察煤矿执行( )的情况。
A.《煤炭法》
B.《建筑法》
C.《合同法》
D.《安全生产法》
E.《矿山安全法》