A new report shows what life might be like in 100 years from now．Experts on space and architecture （建筑），and city planners gave their ideas on life in 2116．Twenty five years ago，we could not imagine how greatly the Internet would change our lives．Now the Internet has revolutionized the way we communicate and learn．They said the changes in the next century would be even more unbelievable．

The way we live，work and play will be totally different from today．There sill be many tall buildings，underwater cities，and holidays in space．People will work from home and have virtual （虚拟的）work meetings．People will have 3D printers to"print"everything they need at home，such as food，clothes and so on．There will also be less need for doctors．Our home health robot will tell us what the problem is and give us treatment．We will also go into space for holidays and get resources that we have used up on Earth．Researchers interviewed 2，000 adults about the predictions．and most of them thought they were most likely to happen!

51．Who gave their ideas on life in 2116？　　

A．Experts and city planners．

B．Teachers and workers．

C．Researchers and 2000 adults．

52．According to the passage，we could not imagine that　　 25 years ago．

A．there would be more need for doctors

B．we would make everything we need at home

C．the Internet would change our lives greatly

53．The underlined phrase"revolutionized"in the 1st paragraph means"　　"

A．调整

B．交革

C．引领

54．Which of the following is true about the changes in 2116？　　

A．People will have to go to work from home as today．

B．People will need to go to the doctor as much as they do now．

C．There will be many tall buildings，underwater cities and holidays in space．

55．What is the best title of the passage？　　

A．Why will changes happen in 2116？

B．What mighi life be like in 2116？

C．How to go into space for holidays？