C. technology

　　D. energy

　　54. Mr. Engelberger thinks that the industrial robot _________.

　　A. is more useful than the domestic robot

　　B. is completely different from the domestic robot

　　C. is more complicated than the domestic robot

　　D. is likely to be used as a model for the domestic robot.

　　55. Which of the following is not true according to the passage?

　　A. Domestic robot will undertake some hard, unpleasant and uninteresting housework.

　　B. Domestic robot will be designed human-like.

　　C. The using of industrial robot is pervasive now.

　　D. The future domestic robot should have great adaptability.