A. crack B. got the better of C. artificial D. construct E. opponent F. tackle G. breakthrough H. tournaments I. independent J. scientist Those who champion ( 为 ... 奋斗 ) the cause of 1. intelligence are celebrating a 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 9. Stephen Hawking, fear computers may eventually become 10. of us and bring the reign of human beings to an end.