A.58.5Pa,1690Pa
B.46.8Pa,1352Pa
C.31.5Pa,910Pa
D.23.4Pa,676Pa
[单选题]A.58.5Pa,1690PaB.46.8Pa,1352PaC.31.5Pa,910PaD.23.4Pa,676Pa
[单选题]A.198875PaB.218875PaC.228707PaD.248707Pa
[单选题]A.198875PaB.218875PaC.228707PaD.248707Pa
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[单选题]( ).A.B.C.D.
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[问答题]--------------.
[单选题]A.B.C.D.E.A、B、C、D都不正确
[单选题]A.1B.2C.3D.4E.5
[单选题]A.-2<m<-1B.-4<m<-1C.-4<m<-2D.-3<m<1E.A、B、C、D均不正确