Reading passages

4. It is clear in the text that tigers. .

1. 
   are the most talented climbers of all wild animals
   
2. 
   rely heavily on their huge claws to catch their prey
   
3. 
   are sensitive to significant variations in climate
   
4. 
   closely take after lions as regards speed ,size and strength
   

E) rely on their eyesight in finding and catching prey
5. As is expressed in the passage, a flat terrain. .

1. 
   is usually the favoured place of the tiger
   
2. 
   provides camouflage for other wild animals
   
3. 
   rather than rocky cliffs gives tigers better chances to hunt
   
4. 
   usually has varied vegetation which shelters better prey
   

E) is usually chilly, so tigers prefer higher levels
6. From the passage we can infer that, contrary to what is generally thought,

1. 
   climbing is the least developed ability of the tiger
   
2. 
   as soon as a prey starts to move a tiger can rarely catch it
   
3. 
   hilly areas are invariably avoided by all wild animals
   
4. 
   the leopard's hunting ability is much worse than that of the tiger
   

E) the tiger's senses are not well developed

Psychologists have long sought ways to define and measure human intelligence. And the theories of intelligence have grown more sophisticated since the 1800s when some believed mental abilities were determined by the size of a person's head. However, researchers still do not agree about certain fundamental principles of human thought. They, therefore, continue to discuss such basic debates as whether heredity or the environment is more effective in forming intelligence.

7. As we can understand from the passage, the basic controversy about whether intelligence depends upon heredity or the environment .

1. 
   was hopefully discussed in the 1800s
   
2. 
   is now being avoided as it is seen to be fruitless
   
3. 
   has only recently become a solemn affair for serious researches
   
4. 
   does not seem to have ended yet
   

E) was much more significant in the 19^th century than it is today