把所选项前面的A、B、 C或D填在空格中即可。 Conversation 2—Prisons: Feeling Safe or Threatened? Questions 12 to 15 are based on the following conversation. 第一空()12. A) Unsafe prisons. B) The importance of prisons. C) Prisoners fighting. D) The threat of prisoners. 第二空()13. A) Maximum security prisons. B) Prisons in the developing world. C) Prisons in the developed world. D) Minimum security prisons. 第三空()14. A) Prison guards. B) Prisoners in common areas. C) Mismanagement. D) Violent prisoners. 第四空()15. A) The government. B) The prisons. C) The guards. D) The warden / ˈwɔːdn / 监狱长 .