一、单项选择题
1.C2.C3.D4.B5.B6.A7.A8.B9.C10.B
11.A12.A13.C14.B15.D16.B17.C18.B19.A20.B
21.D22.B23.C24.B25.A26.C27.A28.B29.C30.C
31.B32.B33.B34.D35.C36.A37.B38.B39.C40.B
41.B42.D43.B44.C45.A46.A47.A48.B49.D50.C
二、多项选择题
1.ABC2.BCD3.ACE4.ABE5.ABCDE
6.ABCE7.ABCDE8.ABCDE9.ABCD10.ABC
11.ABCDE12.ABCD13.ABCDE14.ACD15.ACE
16.ABCE 17.ABCD18.BCE19.ACE20.BE
21.ACD 22.BE 23.ABE24.ABD25.BD