参考答案
1.A 2.C3.C4.C5.E6.C7.C8.C9.D
10.E 11.A12.B13.D14.D15.A16.B17.E18.B
19.A 20.C21.C22.D23.C24.A25.B26.C27.A
28.D 29.C30.D31.C32.D33.B34.B35.A36.C
37.A 38.C39.B40.D41.A42.C43.C44.B45.D
46.D 47.B48.C49.A50.B51.D52.E53.C54.D
55.B 56.E57.A58.D59.C60.C61.A62.B63.A
64.C 65.E66.B67.A68.D69.A70.E71.C72.A
73.B 74.C75.A76.E77.A78.E79.C80.A8l.A
82.B