A bigger part of the story is on the demand side. From the day the television remote control was invented, people around the world have searched for new ways to be lazy. Take into consideration that more and more people can afford robots, and the time seems ripe to introduce robots to the average family. To be sure, robots that walk on two legs and talk like people are still a long way off. However, robots that do basic housework such as cleaning or gardening are sure to come out soon. One thing is certain---when these robots do come to our homes, it will change things forever. 68. According to the passage, robots can do the following things EXCEPT________. A. cleaning floors B. making cars C. talking like people D. making computers 69. Which of the following is TRUE according to the passage? A. Smaller robots are less energy efficient. B. Roomba has been out of date C. People will become lazier than before. D. People’s demand contributes to new robots 70. The underlined part in the 2nd paragraph probably means________. A. new robots will soon come into people’s homes. B. new robots can fly by themselves . C. robot products are cheaper and cheaper D. new robots have more functions than old ones |