[单选题]A.1/5B.1/9C.D.E.

[单选题]A.1.04B.1.62C.2.23D.3.45

[单选题]A.1.04B.1.62C.2.23D.3.45

[单选题]A.P1→P2→P4→P5→P3B.P2→P1→P4→P5→P3C.P2→P4→P5→P1→P3D.P4→P2→P5→P1→P3

[单选题]A.(1)基层；(2)中层；(3)高层B.(1)高层；(2)中层；(3)基层C.(1)中层；(2)高层；(3)基层D.(1)基层；(2)高层；(3)中

[单选题]A.(1)基层；(2)中层；(3)高层B.(1)高层；(2)中层；(3)基层C.(1)中层；(2)高层；(3)基层D.(1)基层；(2)高层；(3)中

[单选题]A.P1→P2→P4→P5→P3B.P2→P1→P4→P5→P3C.P2→P4→P5→P1→P3D.P4→P2→P5→P1→P3

[单选题]A.(1)基层；(2)中层；(3)高层B.(1)高层；(2)中层；(3)基层C.(1)中层；(2)高层；(3)基层D.(1)基层；(2)高层；(3)中

[单选题]A.(1)基层；(2)中层；(3)高层B.(1)高层；(2)中层；(3)基层C.(1)中层；(2)高层；(3)基层D.(1)基层；(2)高层；(3)中

[问答题]------------。