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2001年1月TOEFL试题(5) |
| 来源:www.stu88.com 时间:2006-04-27 |
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41. (A) They were small informal events.
(B) Competitors were awarded large prizes.
(C) Large audiences attended them.
(D) There were standard rules for judging
events.
42. (A) It is the only traveling rodeo.
(B) it is the largest agricultural fair.
(C) It is the oldest annual rodeo.
(D) It was the first rodeo to charge admission.
43. (A) How animals react to frightening
situations.
(B) Why mice are particularly fearful animals.
(C) Whether fearfulness is a genetic trait.
(D) Why certain animals are feared by humans.
44. (A) They fought with the other mice.
(B) They stayed close to their mothers.
(C) They ran back and forth constantly.
(D) They remained close to one wall.
45. (A) The extent of damage to the nervous
system.
(B) The presence or absence of certain
nerve-cell receptors.
(C) The size of nerve-cell receptors in the
brain.
(D) The level of danger in the mammal’s
environment.
46. (A) To show the relationship between
fearfulness and environment.
(B) To give examples of animals that aren’t
fearful.
(C) To compare fear in mammals to fear in
other animals.
(D) To identify the nerves that control fear in
certain animals.
47. (A) Why water flows from artesian springs.
(B) How artesian wells are drilled.
(C) Why artesian springs are important to
geologic research.
(D) How aquifers are formed.
48. (A)They pump water from the aquifer.
(B) They purify the water in the aquifer.
(C) They store excess water from the aquifer.
(D) They trap water in the aquifer.
49. (A)By eroding layers of sediment above it.
(B) By traveling through cracks in layers of
rock.
(C) By reversing its flow down the aquicludes.
(D) By boiling up through pores in the aquifer.
50. (A) It pushes the water upward.
(B) It keeps the water cool.
(C) It holds the water underground.
(D) It creates holes in the aquiclude.
共10页:  [1] [2] [3] [4] 5 [6] [7] [8] [9] [10] 
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