Passage One　　52. A) Its negative effects have long been neglected.　　53. D) Goals with financial rewards have strong motivational power.　　54. C) They resorted to unethical practice to meet their sales quota.　　55. C) Its conclusion is not based on solid scientific evidence.　　56. D) Studying goal-setting can throw more light on successful business practices.　　Passage two　　57. D) Free market plus government intervention.　　58. D) Government regulation hinders economic development.　　59. D) Effective measures adopted by the government.　　60. C) They give up the idea of smaller government and less regulation.　　61. D) Excessive borrowing.