同问第四题的E选项 4. Which of the following can be inferred from the passage concerning Spanish tribute records? (A) They mention only epidemics of smallpox. (B) They were instituted in 1492. (C) They were being kept prior to the seventeenth century. (D) They provide quantitative and qualitative evidence about Native American populations.(C) (E) They prove that certain diseases were unknown in the pre-Columbian New World. |