贵阳专版2017年度中考物理总复习第一编教材知识梳理篇第四部分热学第三讲内能与热机精练试题.doc

1、 1 (2016 ) ( C ) A B C D 2 (2015 )( ) ( CD ) A B C D 3 (2016 ) ( D ) A B C D 4 (2016 ) ( C ) A B C D DE 5 (2016 ) ( D ) A 0 B C D 6 (2016 ) ( A ) A B C D 7 (2016 ) ( A ) A B C D 100% 8 (2016 )( ) ( CD ) A B C D 9 (2016 ) ( D ) A B C D 10 (2016 ) ( A ) kg/m 3 34.2 10 30 100 32.4 10 3 117 78 A. B C D

2、11 (2016 ) ( ) ( B ) A B C D 12 (2016 ) (1) _B_( A B C (2) _ _ (3) _ _ _ _ _A B D_( ) A B C D 13 (2016 ) _ _ _ _ 14 (2016 ) _ _ 5 _1.05 10 5 _J c 3 J/ 15 A B A B (1) A B_ _ (2) A B _ _ (3) A B _ _( (4) A B _B_( 16 (2016 ) 5kg 4.2 10 3 J/ 3.4 10 7 J/kg 10% (1) (2) (1)Q cm(t t0) 4.2 10 3 J/ 5kg 6 J Q qm m Q q 1.68 10 6 J 10% 3.4 10 7 J/kg 0.49kg