30. The bad weather _______ our school sports meeting by a week.

　 A. set back　　　　 B. set down 　　　C. set off　　　 D. set aside

29. The USA makes a lot of excuses in an attempt to make war on Iran , however, its ______ purpose lies in the abundant oil there.

　 A. logical　　　　 B. fundamental　　 C. accurate　　 D. common

28. Once you have experienced the _____ of bungee jumping, you’ll never forget it.

　 A. amusement　　　 B. happiness　　 C. fun　　　　 D. thrill

27. The man at the stage reassured us that all that was pure rumour and was ______ made up by some ill man.

　 A. extremely　　　 B. accidentally　 C. totally　　　 D. roughly