A.
B.
C.
D.
[单选题]2011年1~11月,长春市汽车工业利润总额与主营业务收入的比例为:A.8.1%B.8.5%C.8.9%D.9.3%
[单选题]A.14.0L/s,1.08mB.9.0L/s,1.08mC.9.0L/s,0.66mD.14.0L/s,0.66m
[单选题]A.B.C.D.
[单选题]A.4座,D=14mB.2座,D=21mC.2座,D=25mD.4座,D=25m
[单选题]A.B.C.D.
[单选题]A.B.C.D.
[单选题]A.20.30L/s,45.56L/sB.22.30L/s,40.64L/sC.24.10L/s,38.50L/sD.22.30L/s,41.50L/
[单选题]A.85.6%B.82.7%C.79.2%D.78.4%
[单选题]A.B.C.D.
[单选题]A.1800B.2000C.2200D.2400