29. What will make future houses smart?

     a. Technology       b. Computers        c. Humans             d. Scientists

30. According to the passage, the fridge of the future will be able to __________

     a.keep food fresher and lasting longer.

     b.tell you it’s time to buy more food.

     c.give instructions on how to cook something.

     d.look out for out-of-date food.

31. Robots nowadays are widely used in __________

     a. house building                                b. car manufacturing

     c. public transportation                       d. communications technology

32. 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.

33. 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