1. C;2. B;3. B;4. C;5. C;6. C;7. D;8. C; 9. B; 10. A;11. B ; 12. D; 13. C;14. B; 15. D; 16. B; 17. B;18. B; 19. B;20. B; 21.A;22.C;23.D;24.B;25.B;26.D;27.B;28.D;29.B;30.A。

　　二、多项选择题：少选、多选、错选均不得分。

　　31. BCD; 32. ACD;33. ABD; 34. ABD; 35. ABC; 36. ACD; 37. CD; 38. AC; 39. BCD; 40. BC;41. ABD; 42. ACD; 43. ACD; 44. AD; 45. ABD; 46. BC; 47. AC; 48. BD; 49. AD;50. AC; 51. ACD; 52. ABD; 53. BC; 54. ACD; 55. ACD; 56. AC; 57. AC; 58. ABC; 59.CD; 60. AC; 61. BCD; 62. ABC; 63. BC; 64. ACD; 65. ACD;66. BCD; 67. BC; 68. BCD; 69. BCD;70. ABD; 71. AD; 72. ACD; 73. AB; 74. BC; 75. ACD; 76. BCD; 77. ABD; 78. ABD; 79. BCD; 80. CBD; 81. AD; 82. ABC; 83. ABD; 84. ABC; 85. CD; 86. BCD; 87. AC; 88. ABD; 89. BD; 90. ABD;91.BD; 92.ABD; 93.BCD; 94.ABCD;95.AD;96.AB 97.BC;98.BCD;99.AD;100.AC