参考答案
一、单项选择题
1.B2.C3.D4.C5.A6.C7.D8.B9.C10.D
11.D12.A13.D14.B15.A16.B17.C18.A19.B 20.B
21.B22.B23。A24.B25.D26.C27.A28。A29.B30.D
31.A32.B33.D34.A35.B36.D37.A38.C39.A40.A
41.C42.A43.A44.D45.B46.A47.B48.C49.B50.D
51.C52.C53.A54.D55.D56.C57.B58.B59.D60.D
二、多项选择题
1.AD2.AE3.ACDE4.AC5.ABD
6.ABD7.AD8.ABE9.ABCE10.ACDE
11.AD12.ABCD13.AB14.ABDE15.BCDE
16.DE17.ACD18.BC19.BCDE 20.ABDE