Reading passages

caffeine are widely used because ............. 
A) sub-groups in society identify themselves with them 
B) people with problems find them helpful 
C) their affects have been proved to be harmless 
D) they are much cheaper than many other drugs and legally obtainable 
E) society at large regards them as harmful 
41- According to the author, consumption of alcohol in the world ............. . 
A) is particularly widespread among members of sub- cultures 
B) is directly related to the economic prosperity of each sub-group 
C) varies from race to race, culture to culture and class to class 
D) is closely linked with the increase of deviant drinking behaviour 
E) has made the practices and behaviour of sub- cultures in society more uniform 
42- The writer points out that there is little agreement among sub-groups ............. . 
A) as to how much alcohol can be properly consumed 
B) about the extent to which psychoactive drugs should be produced 
C) about the benefits of psychoactive drugs 
D) as regards why businessmen drink so much 
E) as to why Italians and Jews have different drinking habits 
 
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 ağabeylities 
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. 
43-As we can understand from the passage, the basic controversy about whether intelligence 
depends upon heredity or the environment ............ . 
A) was hopefully discussed in the 1800s 
B) is now being avoided as it is seen to be fruitless 
C) does not seem to have ended yet 
D) has only recently become a solemn affair for serious researchers 
E) was much more significant in the 19th century than it is today