25. Which of the followings is NOT mentioned in the passage?
A. Homes will be smart in 25 or 30 years’ time.
B. Smart appliances will be able to communicate with you.
C. So far robots have already done many things.
D. Robots will soon be more intelligent than humans.
24. Scientists are building robots that can _____.
A. help take care of elderly people. B. do all household chores.
C. show feelings with their faces. D. all are correct.