A.CH4与C2H4 | B. 与CH3CH2)2CH3 |
C.C2H6与C3H8 | D.O2与O3 |
A.CH3CH2CH3和CH3CH2CH2CH3 |
B.H2NCH2COOH和CH3CH2NO2 |
C.CH3CH2COOH和CH3COOCH2CH3 |
D.CH2=CHCH2CH3和CH2=CHCH=CH2 |
A.1H和2H | B.乙烷和丙烷 |
C.金刚石和石墨 | D.正丁烷和异丁烷 |
A.葡萄糖与果糖 |
B.CH3CH2COOH和CH3COOCH3 |
C.正丁烷和异丁烷 |
D.淀粉和纤维素 |
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