According to the passage, how do scientists define continents?
A.As masses of land without divisions 
B.As extensive bodies of land
C.As the largest identifiable features   
D. As surgical compositions and ranges

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
I hope to pass all of my courses this term. So far my grades ______ pretty good.
A.had been   
B.will have been
C.have been 
D.were

There is a mistake in the sentence. Find the mistake and correct it.
Our teacher of physics would like us spending more time in the laboratory.
A.would like
B.spending
C.more
D.in

According to the author, which of the following may reduce blood cholesterol?
A.Reducing egg intake but not fat intake  
B.Increasing egg intake and fat intake
C.Decreasing egg intake and fat intake     
D.Increasing egg intake but not fat intake

"If I were you. Bill, I'd buy the house, " Stephen said.
A.Stephen promised Bill that he would buy the house.
B.Stephen advised Bill to buy the house.
C.Stephen suggested Bill to buy the house.
D. Stephen forced Bill to buy the house.

(28) 
A.popular                   
B.common                  
C.favourite                 
D.open

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
At this time next week, we _________ for our examination.
A.will be sitting   
B.will be sat    
C.will sit    
D.will have sat

 ______ (29)
A.ought
B.is
C.can
D.has

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.
Population growth rates vary among regions and even among countries within the same region.
A.restrain
B.remain unstable
C.fluctuate
D.stay unchanged

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Flat-roofed buildings are not very ______ in areas where there is a great deal of rain or snow.
A.severe                     
B.serious                    
C.suitable                   
D.sensitive