Questions 22-32Grows are probably the most frequently met and easily identifiable members of the nat
【題組】23. According to the first paragraph, what evidence is there that crows have interested people f
【題組】25. In line 6, the author mentions the endangered California condor as an example of a species t
【題組】27. According to the second paragraph, crows are poor subjects for field research for all of the
【題組】28. In the second paragraph, the author implies that using radio transmitters would allow a rese
【題組】29. According to the third paragraph, which of the following is true about crows?(A) They seldom
【題組】31.In lines 10-21, the author mentions a pet crow to illustrate which of the following?(A) The c
【題組】32. Which of the following statements is supported by the passage?(A) Crows have relatively long
Questions 33-41In the early days of the United States, postal charges were paid by the recipient and
【題組】35. Which of the following was seen as a disadvantage of the postage stamp?(A) It had to be purc
【題組】36. Why does the author mention the city to Philadelphia in line9?(A) It was the site of the fir
【題組】39. The private postal services of the nineteenth century claimed that they could do which of th
【題組】40. In 1863 the United States government began providing which of the following to mail carriers
Questions 42-50Archaeology has long been an accepted tool for studying prehistoric cultures. Relativ
【題組】43. According to the first paragraph. What is a relatively new focus in archaeology?(A) Investig