A.3
B.
C.
D.
[单选题],,,,,( )。A.5.9B.1.83C.6.5D.7.8
[单选题],,,,( )。A.B.C.D.
[单选题],,,,,,( )。A.B.C.D.
[单选题],1,,( )。A.B.C.D.
[单选题],1,,( )。A.B.C.D.
[单选题],,π,4.8,2.32,( )A.5.9B.1.83C.6.5D.7.8
[单选题],,,,,( )A.B.C.D.
[单选题],,,,( )A.B.C.D.
[单选题],,,,,( )A.B.C.D.
[单选题],2,,,( )A.B.C.D.9