【題組】38. According to the passage, which of the following changes occurred in Englishgardens during t
【題組】39. The passage mentions which of the following as a problem associated with theimportation of t
Questions 40-50Pheromones are substances that serve as chemical signals between members of thesame s
【題組】44. The passage suggests that the speed at which communication throughpheromones occurs is depen
【題組】47. According to paragraph 2, which of the following has made the study ofpheromones difficult?(
【題組】50. Pheromone systems are relatively complex in insects that(A) also communicate using sight and
【題組】2. It can be inferred from the passage that newmarkets opened in Philadelphia because(A) they pr
【題組】6. According to the passage, fairs in Philadelphiawere held(A) on the same day as market says(B)