For which of the following reasons can natural pollutants play an important role in controlling air pollution?
A.They have existed since the Earth developed.
B.They occur in greater quantities than other pollutants.
C.They're less harmful to living beings than other pollutants.
D.They function as part of a purification process.

_______(48)
A.off
B.up
C.over
D.away

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
Nga began playing the piano when she was ten.
    
A.Nga has played the piano for she was ten.
B.Nga has played the piano since she was ten.
C.Nga has played the piano since she has been ten.
D.Nga played the piano since she has been ten.

The word “yet” is closest in meaning to ___________.
A.generally  
B. since  
C.so far 
D.however

Mr. Bridges is by far the richest man I know.
A. Mr. Bridges is the richest man who lives afar.
B.I know by far that Mr. Bridges is the richest man.
C. Mr. Bridges is among the richest men in the world.
D. Mr. Bridges is richer than anyone else I know.

            , business managers plan the tasks that their employees are to carry out.
A.Through the organizing process
B.They process the organizing
C.It is the organizing process    
D.While the organizing process

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
It is hardly possible to                   the right decision all the time.
A.do
B.arrive
C.make
D.take

Read the passage, then choose the best answers.
Smith did not explain the large... (1)...he had shown in Magnan but sat thinking ...(2)... some minutes and then began to talk ...(3)... something else. About ten that evening I met Smith and he asked me up to his room ...(4)... coffee. (5)... room looked nice with comfortable chairs. We talked a little and then he ...(6)... me his story.
A long time ...(7)... I was young artist and came to France where I was traveling from place to place making sketches. One day, I met two French artists ...(8)... were also moving from place to place making sketches and I joined them. We were as happy ...(9)... we were or as poor as we were happy, as you like it."
Claude and Carl-these are the names of those boys-were always in good spirits and laughed at poverty. We were very poor. We lived ...(10)... the money which we got from time to time for our sketches...."
...(3)...
A.in
B.about
C.for
D.as

What was the most probable reason for providing so many hidden passages ?  
A.To allow the weight of the pyramid to settle evenly
B.To permit the high priests to pray at night
C.To enable the Pharaoh’s family to bring food for his journey to the afterlife
D.To keep grave robbers from finding the tomb and the treasure buried with the pharaoh

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
His parents made him study for his exam.
A.He was obliged to study for the exam by his parents.
B.He is obliged to study for the exam by his parents.
C.He is made to study for the exam by his parents.
D.He was made to study for the exam by his parents.