【T6】
A.SEEK
B.LOOKED
C.PART A.TAKING【T1】______IN DANGEROUS SPORTS AND ACTIVITIES
B.WHO HAVE【T2】______FOR ADVENTURE
C.WHO【T3】______AN IMMEDIATE EXCITEMENT FROM A RISKY ACTIVITY AROUND THE WORLD MORE AND MORE PEOPLE ARE【T4】______.OF COURSE, THERE HAVE ALWAYS BEEN PEOPLE【T5】______—THOSE WHO HAVE CLIMBED THE HIGHEST MOUNTAINS, EXPLORED UNKNOWN PARTS OF THE WORLD OR SAILED IN SMALL BOATS ACROSS THE GREATEST OCEANS.NOW, HOWEVER, THERE ARE PEOPLE【T6】_______ WHICH MAY ONLY LAST A FEW MINUTES OR EVEN SECONDS.