19. Nobody knows for sure what effect the global warming have _____ our environment in the long term.

A. of　　 　　　　　　　　　　　 B. with　　 　　　　　　　 C. for　 　　　　　　 D. on

18. ________ computer games, his parents were very worried about his study.

A. Addicted to　 　　　B. He addicted to　　

C. His addicting to　　 　D. Addicting to

17. I don’t know ____ everyone in my class thinks I’m funny.

　 A. why is it that　 　 B. why it is that　　 C. who is it which　 D. who it is that

16. At the routine office meeting, the headmaster insisted that the problems _________ paid special attention to.

A. referred to being 　　　B. referred to be 　　　C. refer to being 　　　D. refer to be

15. I met one of my students the other day. After several years, she changed a lot and looked different from ____ she used to be.

　 A. that　 　　　　　　　B. whom　 　　　　　　　C. what　 　　　　D. who

14. All these changes will lead to____ better Yangzhou High School，____ that can surprise and inspire all the alumni．

　　 A. a; the one　 　　B. a; one　　　 　C. the; one　　　 　D. the; one

13. If it ______tomorrow, we’d stay at home.

　　 A. had rained　　 　 　B. is raining　　 　　　　 C. will rain　　 　 D. should rain

12. The new school building offers easy ______ to wheelchair users．

A．solution　　 B．method　　 　　　 　　C．access D．way

11. The CDs are on sale！Buy one and get ______ completely free!

　　　 A．other　　　　 　 B．others　　　 　　　 C．one　 　 D．ones

10. In order to keep fit, you will take exercise _______ and eat healthily．

　　　 A．regularly　　　 　 B．generally　　 　　 C．approximately　 　　　 D．extremely