8. New York State legalized a system of off track betting on horse races in the hope of gathering some revenue for itself while reducing illegal gambling. Since the law was passed, however, the number of illegal off-track bets has increased substantially. The reason is not hard to fathom. When the state itself declared gambling to be legitimate, it swept aside the moral reservations that had made many people reluctant to gamble.

　　??? The author does not adequately account for the increase mentioned in the passage, because the author does not explain why

　　??? (A) people who overcame their moral reservations about gambling would place illegal rather than legal bets

　　??? (B) people with moral reservations about gambling failed to prevent the legalization of a system of betting

　　??? (C) New York State continued to permit legal betting when the increase in illegal betting became evident

　　??? (D) New York State believed that legalized off track betting would increase state revenues

　　??? (E) New York State believed that legalized off track betting would undercut the illegal gambling network

　　??? 9. Studies of 108 South American mummies show that pneumonia was a major cause of death in that continent 3,000 years ago and that the incidence of pneumonia death was close to the incidence of pneumonia death today.外語學(xué)習(xí)網(wǎng)

　　??? Which of the following would be most important to know in evaluating the accuracy of the statement above?

　　??? (A) The incidence of pneumonia death as evidenced by mummies from other continents

　　??? (B) Whether people 3,000 years ago had any conception of the disease pneumonia

　　??? (C) Causes of death, other than pneumonia, apparent in the mummies studied

　　??? (D) The general incidence of disease in South America 3,000 years ago

　　??? (E) If the mummies were representative of the South American population of their time

　　??? Questions 10-15

　　??? A patient with disease G will exhibit both a rash and a fever and either a sore throat or a headache, but not both.

　　??? A patient with disease L will exhibit both a rash and a fever but neither a sore throat nor a headache.

　　??? A patient with disease T will exhibit at least a sore throat and a headache and possibly other symptoms.

　　??? A patient with disease Z will exhibit at least a head- ache, and possibly other symptoms, but never a rash.

　　??? No one has more than one of the diseases G, L, T, Z at once.

　　??? 10. If a patient exhibits both a sore throat and a fever, it must be true that the patient

　　??? (A) has disease Z

　　??? (B) does not have disease G

　　??? (C) does not have disease L

　　??? (D) has a rash

　　??? (E) has a headache

　　??? 11. If a patient who has one of the diseases mentioned above does not have a rash, the patient must have

　　??? (A) a fever

　　??? (B) a headache

　　??? (C) a sore throat

　　??? (D) disease T

　　??? (E) disease Z

　　??? 12. If Miller, a patient, does not have a sore throat, it must be true that she

　　??? (A) has disease L

　　??? (B) has disease Z

　　??? (C) does not have disease G

　　??? (D) does not have disease Z

　　??? (E) does not have disease