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托福考试听力模拟试题5(6)
文章出处:  发布时间:2006-07-09

  46.

  (A) To illustrate the size of some objects.

  (B) To introduce the next assignment.

  (C) To show some artifacts on display at the campus museum.

  (D) To demonstrate his photographic ability.

  47.

  (A) A comparison of fish to warm-blooded animals.

  (B) The difference between saltwater and freshwater environments.

  (C) The importance of fish to human beings.

  (D) How water has affected the development of fish.

  48.

  (A) It can' t be compressed.

  (B) It is often polluted.

  (C) Its temperature often fluctuates dramatically.

  (D) It limits their size.

  49.

  (A) A whale.

  (B) A human.

  (C) A snake.

  (D) A snail.

  50.

  (A) Its skeleton.

  (B) Its shape.

  (C) Its senses.

  (D) Its body temperature.


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