1 39. 1 (1) (B) A B C D (2) 2 (1132 1169) (1) (C) A B C D (2) (A) A B C D 2 3 ( ) 4 (1) ( ) (2) ( ) _ 5 (1) ( ) (2) 3 6 (2) _ _ 7 (1) 8 (1) (2) 9 4 A B A _B 10 ( ) (3) ( ) 11 ( (1) (2) ( )_ _ _ _ _ 12 (1)(2) 5 (1) (2) 13 (1) _ (2) 14 (1) ( ) (2) ( ) 15 (1) (2) ( ) 6 16 (1) (2) ( )_ 17 (1) (B) A B C D (2) (C) A B C D 18 (1) (2) 19 7 (1) (2) 20 ( ) (1) (D) A B C D (2) 21