1、 - 1 - INPUT x IF 1 x THEN 2 yx ELSE 2 1 yx END IF PRINT y END 2017 120 150 12 5 1 1,0,1 , | 1 1 0 M N x x x MN A. 1,0,1 B. 1,1 C. 0 D. 0,1 2 , z a i a R 2 zz z z A 1 i B 1 i C 1 i D 1 i 3 R x 0 4 1 ) 2 ( 4 2 x a x a A. ) 0 , ( B. 4 , 0 C. 4 D. ) 4 0 ( 4. x 3 yx sin(2 ) 3 A 3 4 3 10 B 4 3 3 10 C 3 4
2、 3 10 D 4 3 3 10 5 y 1 x A 0 B 1 C 01 D 1 0 1 6. 5 30 585 ? A 1 2 B 2 3 C 1 D 3 2 - 2 - 7. ) 6 ( log ) ( ax x f a ) 2 , 3 ( a A (0,3) B (1,3 C (1,3) D 3, ) 8. r 16 20 r ( ) A 1 B 2 C 4 D 8 9. x y z= 2x+y A 7 B 6 C 1 D 2 10. x 2 a 2 y 2 b 2 1(a0 b0) F A B FB 2FA ( ) A. 2 B. 3 C 2 D. 5 11. c b a , , c
3、 a b a , c b P b a P c a c a b a , b a / c a / A 1 B 2 C 3 D 4 12. 2 ( ) 3ln f x x ax bx 0 a bR 0 x ( ) (3) f x f A ln 1 ab B ln 1 ab C ln 1 ab D ln 1 ab 4 5 13. a b 3 2, 3 ab (2 + ) a b b _. 14. : 4 4, : 2 1 0 p a x a q x x p q a - 3 - _ 15. ABC C B A , , c b a , , 1 sin sin sin 2 b B a A a C ABC B
4、 a sin 2 B cos _. 16. n a n a a a Hn n n 1 2 1 2 2 n a n a 1 2 n Hn kn a n n n S 6 S S n n k _ 6 1721 12 2223 10 17 12 ABC D BC BC=2CD AD= CD 18 12 an 2 a =2 q 0 2 1 a 3 a q 11 n n n n b a a na n=1 2 3 n s n b n 12 ss 1 kk ss k=2 3 4 - 4 - 19 12 P ABCD PD ABCD ABCD 60 BAD 2, 6 AB PD ,O AC BD E PB EA
5、C PBD ( ) PD EAC , P EAD . 20 C 22 22 1( 0) xy ab ab F A B 5 | | | | 2 AB BF 1 C 2 2 l (0, 2) l C P Q OP OQ C 21 12 13 ( ) ln 1 44 f x x x x y x B A O F - 5 - 1 () fx 2 2 ( ) 2 4 g x x bx 1 (0,2) x 2 1,2 x 12 ( ) ( ) f x g x b 22 23 . 22. 10 4-4 xOy l 3 cos 1 sin xt yt t xOy O x C =4cos 1 C 2 3,1 P
6、C l , AB | | | | PA PB . 23. 10 4-5 R x x x x f |, 3 2 | | 1 2 | ) ( . 1 ( ) 6 fx 2 2 6 4 ( ) m m f x R x m . - 6 - 1.C 2. B 3.D 4. C 5.C 6. C 7.A 8. B 9.D 10. C 11.C 12.D 13. 3 2 14. 2,5 15. 3 416. 16 7 73 17 ABC AC=BC BC=2CD AC=2CD ACD = = -6 CD=x BC=2x BD=3x ABD AD= AB=2x B= AD 2 =AB 2 +BD 2 B 7=
7、4x 2 +9x 2 2x 3x x=1 CD=1 -12 18 2 a1 a3 2a1= 2+a3 an a2=2 q 0 a3=2q a1= = q 2 q 2=0 q=2 q= 1 q=2 -4 an=2 n 1 bn=anan+1 n+1=4 n n S1 S2 S2 S1 0 b2 0 2 3 2 0 1 Sk Sk+1 k=2 3 4 bn=anan+1 n+1 2( 1) 1 1 1 2 ( 1)2 0 kk k bk 2 1 k k -6 ck= 2 1 k k k 2 k N* ck min k 2 k N* = 1 2 1 2 11 2 2 2 2 k k k k k k
8、k k k cn k 2 k N* -10 ck min=c2= 2 24 33 4 3 1 1 4 3 -12 - 7 - 19. ( ) PD ABCD , AC ABCD , AC PD . ABCD , AC BD , PD BD D ,AC PBD. AC EAC , EAC PBD. -6 PD EAC , EAC PBD OE , PD OE , O BD , E PB . AD H , BH , ABCD , 60 BAD , BH AD , , BH PD AD PD D , BH PAD, 3 3 2 BH AB . -9 1 2 P EAD E PAD B PAD V V
9、 V 11 23 PAD S BH 1 1 2 2 6 3 6 2 2 . -12 20 1 5 | | | | 2 AB BF 22 5 2 a b a 2 2 2 4 4 5 a b a 2 2 2 2 4 4( ) 5 a a c a 3 2 c e a 4 2 1 22 4 ab C 22 22 1 4 xy bb 11 ( , ) P x y 22 ( , ) Q x y l 2 2( 0) yx 2 2 0 xy 2 2 2 22 22 2 2 0 4(2 2) 4 0 1 4 xy x x b xy bb 22 17 32 16 4 0 x x b 22 2 17 32 16 1
10、7( 4) 0 17 bb 12 32 17 xx 2 12 16 4 17 b xx OP OQ 0 OP OQ 1 2 1 2 0 x x y y 1 2 1 2 (2 2)(2 2) 0 x x x x 1 2 1 2 5 4( ) 4 0 x x x x 2 5(16 4 ) 128 40 17 17 b 1 b C 2 2 1 4 x y 12 - 8 - 21. 1 13 ( ) ln 1( 0) 44 f x x x x x 2 22 1 1 3 4 3 ( ) 4 4 4 xx fx x x x 0 x ( ) 0 fx 01 x 3 x () fx (0,1) (3, ) 2
11、 1 (0,2) x 2 1,2 x 12 ( ) ( ) f x g x min max ( ) ( ) f x g x 1 (0, 2) 1 x min 1 ( ) (1) 2 f x f 2 ( ) 2 4 g x x bx 1,2 x 1 b max ( ) (1) 2 5 g x g b 12 b 2 max ( ) ( ) 4 g x g b b 2 b max ( ) (2) 4 8 g x g b 1 1 25 2 b b 2 12 1 4 2 b b 2 1 48 2 b b 1 b 14 1 2 b b 14 2 b b 14 ( , 2 22 4-4 1 2 2 24 x
12、y 2 1 2 2 2 cos , sin , x y x y C 22 ( 4) 16 xy 2 2 1 2 1 2 1 2 1 2 | | | | | | | | ( ) 4 PA PB t t t t t t tt - 9 - | | | | PA PB 12+4sin 2 2 2 23. 1 1 2 4 4 6 x x 13 22 26 x 3 2 4 4 6 x x 11 22 x 2 3 2 1 x 35 22 x 5 ) ( x f 15 22 2 2 | ) 3 2 ( 1 2 | | 3 2 | | 1 2 | ) ( x x x x x f 22 min 1 6 4 ( ) 2 3 2 1 0 1 3 m m f x m m m .
