托福阅读历年真题精选24_第2页

20.  What does the passage mainly discuss?

(A)  The role of instinct in animal behavior

(B)  Observations that suggest consciousness in animal behavior

(C)  The use of food in studies of animal behavior

(D)  Differences between the behavior of animals in their natural environments and in laboratory experiments.

 

21.  Which of the following is NOT discussed as an ability animals are thought to have?

(A)  Selecting among choices 

(B)  Anticipating events to come

(C)  Remembering past experiences

(D)  Communicating emotions

 

22.  What is the purpose of the honeybee dance?

(A) To determine the quantity of food at a site

(B) To communicate the location of food

(C) To increase the speed of travel to food sources

(D) T identify the type of nectar that is available 

 

23.  The word "yet" in line 16 is closest in meaning to

(A)  however

(B)  since

(C)  generally

(D)  so far

 

24.  What did researchers discover in the study of honeybees discussed in paragraph 2?

(A) Bees are able to travel at greater speeds than scientists thought.

(B) The bees could travel 25% farther than scientists expected.

(C) The bees were able to determine in advance where scientists would place their food.

(D) Changing the location of food caused bees to decrease their dance activity. 

 

25.  It can be inferred from the passage that brain size is assumed to

(A)  be an indicator of cognitive ability

(B)  vary among individuals within a species

(C)  be related to food consumption

(D)  correspond to levels of activity