opponent   intellectual   put …   to the test   artificial      tackle      constructcrack     adjust       tournament      accelerate     breakthrough   get   the better ofThose who champion (为…而奋斗) the cause of ( 1 ) intelligence are celebrating a(n) ( 2 ). For computer scientists have managed to  ( 3 ) the problem of how to  ( 4 ) a computer that can play the ancient game of Go better than humans. In  ( 5 ) with grand masters the computer has  ( 6 ) them, defeating one  ( 7 )  after another. Some welcome the greater power of computers, arguing they will be willing slaves in helping us  ( 8 ) our problems. Others, like the great scientist Stephen Hawking, fear computers may eventually become independent of us and bring the reign of human beings to an end.