A.
B.
C.
D.
[单选题]A.B.C.D.
[单选题]A.①②B.③④C.②③D.②④
[单选题]A.5.4B.5.6C.7.4D.7.6
[单选题]A.1B.1.2C.1.45D.1.76
[单选题]A.85.6kJ/molB.88.1kJ/molC.395.5kJ/molD.44.1kJ/mol
[单选题]A.14~19kj/kgB.20~25kj/kgC.26~30kj/kgD.31~35kj/kg