25. According to Victor and Olivia,academics thought that Polynesian migration from the east was impossible due to

• A.

  the fact that Eastern countries were far away.

• B.

  the lack of materials for boat building.

• C.

  the direction of the winds and currents.

26. Which do the speakers agree was the main reason for Heyerdahl's raft journey?

• A.

  to overcome a research setback

• B.

  to demonstrate a personal quality

• C.

  to test a new theory

27. What was most important to Heyerdahl about his raft journey?

• A.

  the fact that he was the first person to do it

• B.

  the speed of crossing the Pacific

• C.

  the use of authentic construction methods

28. Why did Heyerdahl go to Easter lsland?

• A.

  to build a stone statue

• B.

  to sail a reed boat

• C.

  to learn the local language

29. In Olivia's opinion,Heyerdahl's greatest influence was on

• A.

  theories about Polynesia origins.

• B.

  the development of archaeological methodology.

• C.

  establishing archaeology as an academic subject.

30. Which criticism do the speakers make of William Oliver's textbook?

• A.

  Its style is out of date.

• B.

  Its content is over-simplified.

• C.

  Its methodology is flawed.