参考答案：
一、 单项选择题
1.D 2.C 3.B 4.C 5.A 6.B 7.A 8.B 9.C 10.D 11.C 12.C13.A14.C15.D16.D17.A18.C19.C20.B21.A22.B23.B24.C25.D26.B27.D28.B29.D
30.B31.C32.A33.A34.B35.A36.C37.A38.D39.C40.C41.C42.D43.C44.B45.D46.A47.B48.C49.C50.D51.C52.D53.D54.D55.B56.A57.C58.C59.B60.A
二、多项选择题
61.BCE62.AC 63.ABCE 64.AD 65.AC 66.CD 67.AD 68.ABC 69.BCDE 70.ACD 71.ABDE72.ABDE73.CD74.ACD75.ACDE76.BDE77.ACDE78.ACDE79.ACE80.ABDE
