1、 1 ( ) ( 100 120 ) (30 ) 1 (A)(3 ) A B n) C D ( ( B C D ) 2 (2 ) 3. (A)(3 ) A 20 B C D ( ) 4 (4 ) (1) (2) 5 (D)(3 ) _ _ _ A B C D 2 6 (C)(3 ) A B C D ( ) 7 ( ) (C)(3 ) A B C D 8 (9 ) (1) ( ) (3 ) (2) (3 ) (3) ( 50 )(3 ) 3 500 15 (40 ) ( ) 9 13 (14 ) 9 (2 ) (1) 3 (2) 10 (4 ) (1) (2) 11 (2 ) 12 (3 ) 1
2、3 (3 ) ( ) ( ) 14 19 (14 ) 20 4 11 1236 16 52 1360 13 2012 2013 2015 ( ) 14 (2 ) 15 (4 ) (1) (2) (3) (4) 16 (2 ) (1) (2) 17 (2 ) 18 12 (2 ) 19 (2 ) 5 ( ) 20 23 (12 ) 1910 16 28 50 1930 1930 ) 1970 80 1936 1974 38 1 800 1974 2 7 ( ) 20 (3 ) 6 80 21 (3 ) 1890 1910 1918 1927 1930 1964 1970 1973 1974 2 7 22 (3 ) 23 (3 ) 1936 1974 38 1 800 (50 ) 24 . . 600
