Luyện tập tổng hợp

Ni Rika

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. (1.0 point)

The computer age is producing an army of robots - machines that are directed by electronic brains and which replace human labor in industrial operations. Many are artificial arms which reach into areas man enters only at his peril, such as the inside of a nuclear reactor. Already in 1980 there were over 8000 such robots working in industrial plants throughout the world. The big changeover to the robot, however, is likely to come only when their costs go down while workers' wages continue to rise.

Question 36. Sentence 1 indicates that robots are used mainly

 A. to fight wars.                                     B.to operate computers.

C. to take the place of human workers.        D.to direct electronic brains.

Question 37. An observer today is most likely to see robots in operation in

    A. modern factories.     B. military battles.            C. Business offices.          D. scientific laboratories.

Question 38. The article makes clear that a very valuable use of many robots is to

             A. act as a teacher to human beings.                   

 B. do tasks extremely dangerous for humans to do.

             C. aid doctors in medical operations.                  

 D. replace the human brain in producing computers.

Question 39. Which one of the following statements about the last sentence in the passage is certainly true?

   A. Robots are becoming cheaper all the time.

   B. The cost of a human worker is higher than that of the average robot.

   C. Robots are becoming more expensive all the time.

   D. The cost of the average robot is higher than that of a human worker.

Question 40. The writer indicates that the widespread replacement of human labor by industrial robots

   A. has already begun worldwide.                             

   B. is starting especially in the developing nations.

   C. is being delayed mainly for economic reasons.    

   D. will not take place before the end of this century.


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