1、 1 / 92 2008 :100 100 1 1-5 6-7 2 , 3 1.5 27 1 A A B C D 2 P P m P B A B C mg D mg 3 16 D A B C D 4 B A B C D 5 I=3A I 1 =2A R 1 =10 R2=5 R3=30 B A R3 0.5A a b B R3 0.5A b a C 0.5A + D 1.5A + 2 / 92 6 A F A B B C A 2 B 3 C 4 D 5 7 C A 10 12V 10W B 10 220V 15W C 15 15V 3W D 30 9V 2W 8 1% 2% 500m/s B
2、A 10 -3 s B 10 -6 s C 10 -9 s D 10 -12 s 9 A A B C D 10 6V 6W 6V 4W 12 D 11 R P a b B A B C D 12 220 B A B C D 3 / 92 13 -40 -40 B A 4 B 0 C -40 D -40 14 D A B C D 15 A A B C D 1000 16 0.1 / A B AB=1.2 2.4 A 0.3 / B B 0.3 / A A B B 0.3 / A B , A B A 16 B 17 C 18 D 19 17 h L P=2 gh( ) 2L/3 C A 2 gh B
3、 3 gh C D 18 M M M M D A B C D 4 2 0 24 19 U h h ACD A B C D U 20 4 / 92 R1 R2 S A B CD A S B S C S D S 21 A B C A AD A A B A A C B A D B 22 v-t 1 W CD A 1 3 4W B 3 5 -2W C 5 7 W D 3 4 -0.75W 23 A B O A B F A OB BC A F2 B F2 C F3 D F4 24 BC A B C D 25 20m/s 940m 1s, 5s _640_m _4.7_s 340m/s 26 AO i O
4、B B s B 5 / 92 _ _ _ 2 1 stgi_ 27 B P1 P2 ,n1 n2 P1 P2 P1 P2 t=1.0s v=340m/s P1 P2 _17_m _17.9_m/s 31 28 10 d=3.0km t=6.0s v= 3 1 km/s 29 10 100cm 2 6cm 0.56cm =0.9 10 3 kg/m 3 , 30 11 6 / 92 35V 6A 1 3h 5m/s km 2 80% 6m/s 7 / 92 10 60 1 a,b,c 2 2 2 2 a b c abc A B C D 2 abc=1 a+b+c=2 2 2 2 3 abc 1
5、1 1 1 1 1 ab c bc a ca b A 1 B 1 2 C 2 D 2 3 2 3 3 2 0 x px p 22 2 0 x px q p,q A 2 B 3 C 4 D 0 4 22 2 3 4 5 y x kx k k M M k= A -1 B 1 C -3 D 3 5 2 31 xx 4 3 2 9 12 2 7 2008 x x x x A 2011 B 2010 C 2009 D 2008 6 O A(2 -2) B AOB B A 4 B 5 C 6 D 8 7 1 ABCDEFG7 7 1 A 11 B 12 C 13 D 14 8 ABC D BC BAD+
6、C = 0 90 AD ABC A B C D 9 20L 10L 3 5 A 30 B 40 C 50 D 60 10 1 2 3 4 l l l l 1 ABCD D A B F E G C 8 / 92 A 4 B 5 C 42 11 , , , 33 ED CD CE AB CE AE BC D 52 6 48 11 13 9 3 a,b,c 2 2 2 a b c ab ac bc 12 ABC P P BC CA AB 1 2 3 1 2 3 , , , 6, h h h h h h ABC 13 Rt ABC C= 0 90 sin sin AB 2 20 x x k k= 14
7、 ABC AC=2 D AB E CD ED= 11 , , , 33 ED CD CE AB CE AE BC 15 3 2 3 2 2 xx 16 17 n 4 n 6 8 10 27 42 69 111 125 137 899 3599 7999 10 13 9 3 9 / 92 18 MN O A B AN P MN AP+PB 22 r= 14 42 19 1 2 ( 3) 3( 0) y mx m x m x A 1 2 1 2 ,0 , ,0 A x B x x x y C AB=4 M A B C MAC S 2 1 P PBD PD x D BC 1 2 P 20 m 11
8、9 n 9 11 145 mn m n M P N B A 10 / 92 21 ABC O BAC BC F O D DE O D AC E BD BD=32 , DE+EC=6 AB AC=3 2 BC A G F E B D O 11 / 92 成都 七中 2009 年外地生招生考试 数 学 模 拟试 题 120 150 第卷 注意事 项: 1 2 3 一、单项选择 12 5 60 1 c bx ax y 2 0 a 0 c b a 0 c b a 0 2 a b 0 abc A 1 B 2 C 3 D 4 2 O BC A D C O 30 ABC ADC A 30 B 60 C 120 D 150 3 ACB O D BC ED O D AB E AC 2 AB 6 ED EB 6 AD= A 2 B 4 C 6 D 8 4 A B 1 2 3 4 5 6 A x B y P ) , ( y x