R4FVTGB 9GNUKTMV
A.1
B.2
C.3
D.4
:1,4,3,5,2,6,4,7,()。A.1 B.2 C.3 D.4
:16,4,2,2,()。A.1 B.2 C.3 D.4
1,4,3,5,2,6,4,7,() A.1 B.2 C.3 D.4
1,4,3,5,2,6,4,7,()。A.1 B.2 C.3 D.4
2,5,1,12,3,2,2,14,2,1,7,36,4,(),3A.1 B.2 C.3 D.4
CO2分子的平动、转动、振动自由度为()。 A.3,2,4 B.2,3,4 C.3,4,2 D.4,2,3