辽宁省大连市2020届高三双基测试卷 数学（理）试题 含答案.pdf

132 141 15 16 9 42 17 12 I ACCEACE3 ABCDADABPAABADPA EPDAEPDCEPD AECEEAECEPD 6 II BDACOPO ABCDACBDOACBD PAPCACPOBDPOACBDO ACBDABCDPOABCD OOBxOCyOPz 7 2PAPCAB60ABC2AC 0 1 0 A E D CB A P z y x O E D CB A P PD 8 PAB x y zn 0 0 AB AP 1x1z 10 PAB PAB 12 18 12 2 2 n n a 1 1 2 2 8 a a n a n 2 2 n n a 1 2n n an 1 2 2 8 a a 123 123 1 22 23 22n nn Saaaan 2341 21 22 23 22n n Sn 1 1 22 n n Sn 1 2 22 2 24 2 nnn n annnnN 1 24 2n n bn 1nnn abb 122132111 22 22 n nnnnn Saaabbbbbbbbn 1 1 22 n n Sn 19 12 I A 1 B 2 C 39 64 4 II X3456 5 9 X X 3 4 5 6 P 15 56 5 28 10 12 20 12 4a 0g x g x 0 4a 2 2 1m xxax 0m x g x 4a 0 4a 1 1 ln 1 x h xfxf xaxexax 0 0 0ha 0 0 ln 1 xa 0 0h x 0 0 xx 0h x 0 xx 0h x h x 0 0 x 0 x h x 0 0 x 0 0 0 0 h x h x 0 ln 1 xa u x 0 ln 1 xa 1 1 2 21 12 E 1cE 3 lykxm 1122 C x yD xy 222 43 84120kxkmxm 0 22 34km 4 22 1212 49 418 4360kx xkmxxm 6 22 230kkmmkm2km0 7 lykxk l 1 0 8 lxmyn 1122 C x yD xy 222 34 63120mymnyn 0 22 34mn 4 22 1212 94 9 2 9 2 0my ym nyyn 6 2 320nn1n2n0 7 l 1 0 8 2xx yy l1mxny 1m 1l xny21xny1xny l 1 0 8 lykxm 1122 C x yD xy 222 43 84120kxkmxm 22 48 43 0km 0OCODOB 1212 Bxxyy BE 10 Bl 11 Ol11 12 0OCODOB BE 10 11 12 22 1044 I 2 sin4cos 22 sin4 cos C 2 4yx 3 l 2cos sin xt yt t 5 II 2cos sin xt yt 2 4yx 22 sin4 cos80tt 0 12 2 4cos sin tt 1 2 2 8 sin t t 2 2 42 121 2 22222 2 121 2 2 16cos16 21111161 sinsin 8 644 sin ttt t MAMBttt t 10 23 1045 3 3333 2 22 2233 33 84 2 ab ab5 II 33