22. Some scientists think that it may take ____________ years to make robots look like people, and do the same things as us.

　 A. hundreds of　 B. two hundreds of　 C. two hundreds　 D. two hundred of

21. Yang Liwei is a famous Chinese ________________.

　 A. scientist　 B. computer programmer　 C. astronaut　 D. engineer

20. He thought that computers would never be ____________ most people.

　 A. used by　 B. used for　　 C. useful by　 D. using for

19.The head of the movie companies predicted that no one would want to see actors ____________.

　 A. to talk　 B. talked　 C. talks　 D. talk

18. --Will there be fewer trees?　 --_______________.

A.　　 Yes, there will.　 B. Yes, they will.　 C. No, there aren’t.　 D. No, they won’t.

17. People will live ____________ 200 years old in the future.

　 A. /　 B. be　 C. to be　 D. in

16. Kids won’t go to school. They will study _____ home ______computers.

　 A. in, in　 B. at, on　 C. at , by　 D. at; from　

15. You’ll ________________________________(能够谋生) doing something you love.

14. I __________________________________(在…真的不好过) science last semester.

13. While she ________________________________________(正在通电话), Davy met another dog outside the station.