天文学 TPO14-L3 Seafarers and Stars

TPO14-L3

Seafarers and Stars

Listen to part of a lecture in an Astronomy class.

 



  1. What does the professor mainly discuss?
  • A. How the seafaring skills of Polynesians resembled those of the Vikings.
  • B. How Pacific Islanders were able to navigate without instruments.
  • C. How the patterns of stars differ to the north and south of the equator.
  • D. How navigational instruments developed over time.

 

  1. What is the advantage of observing stars from a location near the equator?
  • A. The horizon tends to be clearer there than anywhere else.
  • B. More stars rise and set in pairs there than anywhere else.
  • C. Zenith stars shine even brighter there than they do farther north or south.
  • D. The sky appears more orderly there than it does farther north or south.

 

  1. What does the professor say about the people of the Gilbert Islands?
    [CHOOSE 2 ANSWERS]
  • A. They developed a method for describing the locations of stars.
  • B. They regularly traded with the peoples of Hawaii and New Zealand.
  • C. They were the first to recognize the usefulness of zenith stars.
  • D. They considered a navigator to be the same as an astronomer.

 

  1. Why does the professor mention stone canoes?
  • A. To point out some of the monuments that can be found on Pacific islands.
  • B. To give an example of an early method of transporting goods.
  • C. To illustrate a method used for teaching young Polynesians to navigate.
  • D. To compare Polynesian navigational tools to those of the Vikings.

 

  1. What did the technique using zenith stars have in common with the technique using star pairs?
  • A. Both could help identify a location relative to the equator.
  • B. Both seem to have been used to determine the positioning of stone canoes.
  • C. Both were first developed by the Vikings.
  • D. Both were used as calendars to help keep track of the seasons.

 

  1. What can be inferred about the professor when he says this: 🎧

 

  • A. He questions whether the technique is useful.
  • B. He wants to clarify a point about the technique.
  • C. He wants the students to guess how the technique works.
  • D. He wants the students to experiment with the technique.


答案:
B D AD C A B

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