参考答案
1.C2.C3.D4.E5.D6.D7.E8.D9.D10.D
11.C12.B13.C14.B15.D16.E17.C18.B19.E20.D
21.E22.A23.D24.B25.B26.D27.B28.A29.E30.D
31.C32.C33.C34.C35.C36.C37.D38.C39.B40.E
41.C42.C43.A44.D45.A46.B47.C48.D49.D50.C
51.C52.E53.B54.E55.C56.E57.C58.C59.B60.C
61.A62.D63.A64.D65.C66.C67.B68.B69.E70.C
71.D72.C73.B74.D75.C76.B77.C78.A79.A80.C
81.A82.C
