42. Which of the following did Goodall discover?
(A) The Gombe Stream was inhabited by chimpanzees.
(B) Chimpanzees were not vegetarian as previously believed.
(C) Chimps had no social or communication system.
(D) The aggressive nature of chimpanzees made them dangerous.

38. In paragraph B sentence 2, a deadly disease refers to ______(A) Hendra (B) Ebola (C) West Nile (D) HIV

39. Which of these is NOT given as a reason for the increase in zoonotic diseases? (A) raising animals (B) lower disease resistance (C) destruction of habitat (D) international travel

40. What would be the best location for the following sentence? Even the well-known disease rabies can spread to humans by contact with wild dogs or bats. (A) at the end of paragraph A (B) at the end of paragraph B (C) at the end of paragraph C (D) at the end of paragraph D

41. How was Goodall's research received by the scientific community? (A) Her approach was conventional and yielded no new information. (B) Her unconventional methods were thought of as amateur. (C) Her unconventional methods brought many of her conclusions into question. (D) Her methods were unconventional and yielded a lot of new and valuable information.

43. Which of the following is NOT true about Goodall's educational credentials? (A) Not having a college degree in biology proved to be a difficult obstacle in her life. (B) She began her life's work without relevant formal education. (C) She later acquired advanced, formal academic training. (D) She earned a PhD from Cambridge University.

44. According to the passage, how did the focus of Goodall's work change over time? (A) She decided to focus on fund raising for documentary films after going to Africa. (B) Weary of conducting field experiments, she decided to start the Jane Goodall Institute. (C) She is now educating people about the unethical treatment of chimps in scientific research and the potential loss of their habitat. (D) Her focus is currently on enhancing her public image through social media.

45. In paragraph B sentence 3, exclusively could be replaced with  ______(A) extraordinarily (B) promptly (C) potentially (D)only

46. What is the main idea of this passage? (A) Crowds may have a positive impact on a person's health and well-being. (B) Psychologists have shown that bystanders help to calm people in a crowd. (C) People who are very socially connected do not have many health problems. (D) Emile Durkheim created the term collective effervescence in the 19th century.

47. In paragraph B sentence 3, They refers to ______ (A) cancers (B) heart discase (C) socially connected people (D) vaccinations

48. According to the passage, which of the following statements is true? (A) Today, more than 50 percent of people in the world live in cities. (B) When more people move into cities, the city does not create as much art. (C) At Woodstock, everyone worked together and there were no difficulties. (D) The United States has a higher life expectancy than anywhere in the world.