A if the term vegetarian cannot be misleading

 
217 
C. provides camouflage for leopards. 
D. is usually wet, so tigers prefer higher levels. 
E. usually has thicker vegetation which shelters more prey. 
21. From the passage we infer that contrary to what is generally thought, ___. 
A. once a prey starts to move a tiger can rarely catch it. 
B. hearing is the least developed sense of the tiger 
C. the leopards hunting ability is far behind that of the tiger. 
D. rocky areas are invariably avoided by all wild animals. 
E. the tiger's senses are not particularly well developed. 
Scientists have long sought ways to define and measure human intelligence. And while theorists of 
intelligence have grown more sophisticated since the 1800s when some believed mental ability were 
determined by the size of the person's head. Researchers still do not agree about certain fundamental 
principles of human thought. They hence continue to debate such basic questions as whether heredity or 
the environment is more important in forming intelligence. 
22. As we infer from the passage, the age-old controversy about whether intelligence depends upon 
heredity or the environment………… 
A. is now being ignored as it is seen to be fruitless. 
B. was finally reached in area 1800. 
C. has only recently become a subject for serious research. 
D. does not seem to have ceased yet. 
E. was more sophisticated in the 19th century than it is today. 
23. In accordance with the passage, in the early nineteenth century, some people held the view that a 
person's mental capacity ___. 
A. could never be changed. 
B. depended on the head size: 
C. was purely hereditary. 
D. was completely shaped by the environment. 
E. fundamental to his character. 
24. One may infer from the passage that a full understanding of the nature and the capacity of human 
intelligence ___. 
A. can only be achieved by exceptionally sophisticated minds . 
B. has finally been achieved by modern scientists . 
C. is sure to be realized within the next few years . 
D. is not likely to be achieved in the near future. 
E. will emerge through theoretical rather than environmental 
structures. 

---