12. The list is arranged according to the _______ professions of the audience.
　　A. respective B.responsible C.resource D.resolution
　　13. This is our _______. So you can do what you need to do here.
　　A. substance B.schedule C.notice D.noun
　　14. That rich man has been dead for a long time but his ________ is still not known to the public.
　　A. sausage B.shelf C.portion D.will
　　15.I could have _______ such a situation but I didn’t.
　　A. forecast B.overcome C.shed D.urged
　　16.I prefer a _______ typewriter to an automatic one.
　　A. mechanic B.manual C.merchant D.mental
　　17.If you want to stop for a moment, just press the ‘_______’ button on your tape recorder.
　　A. toilet B.thumb C.violin D.pause
　　20.I have _______ three terrible English examinations this week.
　　A. observed B.operated C.undergone D.suffered
　　21.This is a purely _______ problem, not a political one.
　　A. additional B.advantage C.announce D.academic
　　22.The _______ TOEFL score for entering this program is 600.
　　A. less B.sandy C.stain D.minimum
　　23.The best example of a paradox is the proverb ‘More _______, less speed’.
　　A. haste B.range C.possession D.purse
　　24.This company provides a very good _______ service for its products.