(B) What they observed directly.
(C) The writings of philosophers from other societies.
(D) Measurements made with scientific instruments.
45.
(A) They noticed an apparent change in the position of the North Star.
(B) They observed eclipses at different times of the year.
(C) They were the first to estimate the distance between heavenly bodies.
(D) They wanted to prove that the Earth was flat.
46.
(A) A place for making astronomical observations.
(B) An instrument used for observing stars.
(C) A unit of measurement.
(D) The North Star.
47.
(A) One of the students asked him about it in the previous class.
(B) He read about it the previous day.
(C) He had just read Dr. Frederick Cock's travel log
(D) The students were required to read about it for that day's class
48.
(A) That Peary bad announced his success prematurely.
(B) That the investigation of Peary's expedition wasn't thorough.
(C) That Peary wasn't an experienced explorer.
(D) That he had reached the pole before Peary did.
49.
(A) They talked to one of Peary's companions.
(B) They interviewed Peary.
(C) They conducted a computer analysis of photographs.
(D) They examined Peary's navigation tools,
50.
(A) Dr. Cook's expedition.
(B) The conclusions of the Navigation Foundation.
- 2011.01.托福真题(二)
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