Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions.
MODERN SCIENCE
It seems entirely natural to us that there are teams of scientists in universities and (46) _______ institutions around the world, attempting to discover the way the world works. (47) _______, it hasn’t always been that way. Although the scientific method is now four or five hundred years old, the ancient Greeks, for example, believed that they could (48) _________ the cause of natural events just by the power of thought.
            During the 17th century, more and more people began to realize that they could test their scientific ideas by designing a relevant experiment and seeing what happened. A lot of (49) _________ was made in this way by individual scientists. These men and women often worked alone, carrying out research into many different areas of science, and they often received very little (50) _________ for their hard work. At the start of the 20th century, though, it became clear that science was becoming more complicated and more expensive. The individual scientists disappeared, to be replaced by highly qualified teams of experts. Modern science was born.
(50)
A.reward 
B.present           
C.gift                         
D.prize

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
She joined the company in 1995, and long before she was promoted to sales manager.
A.joined
B.long before
C.was promoted
D.sales

Identify the one underlined word or phrase. A, B, C or D - that must be changed for the sentence to be correct.
On some streets, it has (A) against the law (B) to ride (C) a motorcycle without a (D) helmet.
A.has
B.the law
C.to ride 
D.without a

The activities of the international marketing researcher are frequently much broader than _____.
A.the domestic marketer has  
B.the domestic marketer does
C. those of the domestic marketer      
D.that which has the domestic marketer

_________ (35)
A.back to
B.from to
C. into
D.onto

A.seat   
B. wear  
C.meat 
D.teacher

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions
The assumption that smoking has bad effects on our health have been proved.
A.The                             
B.that                     
C.effects on        
D.have

Mark the letter A, B, C, D on your answer sheet to show the underlined part that needs correction.
Food prices have raised (A) so rapidly (B) in the past few months that (C) some families have been forced to alter their eating habits (D) .
A.have raised
B.rapidly
C.that
D.their eating habits

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. 
The cinema is no longer as popular as it was in the 1930's and 1940's, but it is still an important ______ of entertainment. 
A.status 
B.source
C.origin 
D.prospect

(10)______
A.energy
B.population
C.pollution
D.polluted