1、 ( ) ( 2 40 ) 1 (2015 ) ( ) A B C D 2 (2015 ) ( ) A B C D 1 2 3 4 3 a b c a c ( ) A a B b C b c D a b 4 a c ( ) A a b B b C c d D a c 5 ( ) ( ) A B C D 6 ( ) A B C D 7 ( ) A B C D 8 ( ) A B C D “ ” 9 ( ) A B C D 10 ( ) A 0 B C 1kg 1g D 11 “ ” ( ) A B C D 12 ( ) A B C D 13 500 N t 0 t 11 s F t ( ) A
2、0 2 s B 2 10 s C 10 11 s D 0 11 s 14 ( ) A B C D 15 A B ( ) A A B A C A B D A B 16 ( ) A B C D 17 O x E x E ( ) A B C D 17 18 19 20 18 ( ) A B C D 19 F ( ) A B C D 20 ( ) A B C D ( 1 18 ) 21 (2015 )2015 53 “40+ ” “40 ” (1) (2) 22 (2015 ) 23 (2014 ) AB CD _ 2.1 10 3 J/(kg ) 100 g 2 min _J 23 24 24 (1
3、) _ _ (2) _ _ 25 A B (1) A B _ (2) A B _ 26 Q _Q c _c ( “ ”“ ” “ ”) 27 (2014 ) 2 32 28 (1) ( / ) ( ) (2) ( / ) (3) ( / ) (4) ( / ) 29 100 200 ( ) m 1 100 / 0 2 4 6 8 10 12 14 16 / 36 35 34 33 32 31 30 30 30 / 0 1 2 3 4 5 6 6 6 m 2 200 / 0 4 8 12 16 20 24 28 32 36 / 36 35 34 33 32 31 30 29 28 28 / 0
4、1 2 3 4 5 6 7 8 8 (1) ( “ ” “ ”) (2) ，放出的 热量与 降低的 温 度成正比 (3) 30 “ ” “ ” (1) (2) (3) (4) ( ) 31 4 32 6 10 31 34 kg 1 kg 60% 700 km 8.410 2N ( 0.7110 3kg/m 3 q 1.410 8J/kg 1 L 1 dm 3 ) 32 (2015 )2015 3 “ 2 ”( ) (1) ( ) (2) 120 10 ( 30%) 2 40 1 2 3 4 5 6 7 8 9 10 C C D C C C B D C B 11 12 13 14 15 16 17 18 19 20 C D C C B C A B C C 31 4 32 6 10
