1.C 2.A 3.B 4.D 5.C 6.C 7.A 8B 9.B 10.B 11.B 12.D 13.C 14.D 15.B 16.B 17.B 18.A 19.A 20. C
21. C22.B 23.D 24. C25.A 26. C27.C 28. C29. A 30.C31D.32.D33.A34.A35.D36.B37.A38.C39.B40.A41.B
42.C43.B44.A45.D46.C47.C48.C49.B50.B
51.CDE 52.ABC 53.ABE 54.BDE 55.ACD 56.BCD 57.ACE 58.BE 59.ACD 60.BCDE 61.BCD 62.AE 63.BC 64.BCD
65.ABE 66.ACD 67.ACDE 68.BDE 69.ABC 70.ABD 71.ACDE 72.ABCE 73.BD 74.BCD 75.ACE 76.ABCD 77.AB 78.CE 79.BCD 80.AC
