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江西省丰城中学2013-2014学年高二上第二次月考数学试题(理科重点班)无答案

thrift of excellent traditional a nd style la ck de ep of understanding, one -si ded t hink i n now of good sit uation Xia, economi c smooth more fast dev elopment, and reform made major progres s, and people living sig nifica ntly improve, a nd s oci al the career made new pr ogress, no necessary al ways har d has, no aw arenes s to China also has many poverty area, a nd al so has many poverty population of exists, more livi ng improve has, m ore nee d keep hard of style. Three i s not strictly hone st. Total thoug ht units is a water s ector, cl ean s elf-dis cipline away from hims elf too far, no real proce ss ing good living of improve and har d, and thrift excelle nt traditional of relationship, no effective do comply with Constituti on a nd party of regulations must from I do up, no right mer cy good bitter Le, and wealth of relationshi p, no right aware nes s to in comply wit h Constit ution and party of regula tions a spe cts everyone ha s accounta bility. F our, future dir ection and improv eme nt measure s 1, belief and faith, strengt hen party spirit. One i s to firmly establis h the noble ideals of str uggle for the i deals of communism, communi st struggle for life, ready t o sacrifi ce everything for the party and the people. Se cond is t o continuously impr ove the quality a nd sta ndar d of politi cal, consci entiously st udy De ng Xi aoping the ory and "three re present s" important thoug ht and the s cientifi c Outlook on development, im plement the party's basic program for the primary stage of soci alism, adhere t o t he correct politi cal orie ntation, maintain highly consistent with the CPC Ce ntral Committee, is g ood at t heorie s of sociali sm with Chine se characteristi cs to a nalyze a nd solve probl ems. Third, strengtheni ng the party spirit a nd the worl d transformation, perseve rance of the party Constit ution, relive Party vow s to esta blish corre ct worl d Outlook, Outlook on life a nd the worl d, pr a ctically embodi es ide als and beliefs into a ction, combi ne lofty ideal s and practi cal a ctivities, transformi ng the obje ctive worl d, a ctively partici pate in t he great practi ce of buil ding sociali sm with Chinese characteri stics . 2, kee p the purpose i n concept , cha nging t he style of work . First, kee p in mind that the pur pose of servi ng, a dhere to a ss uming power for the people, kee p in mi nd the pe ople a nd care about people, a nd the joys a nd sorrows of the masses, ... According to city dis cipli ne, and municipal organi zation Departme nt requireme nts, today we hel d "implement impl ementation independent Commissi on against corr upti on gui deli nes effective strengt heni ng led cadres style construction" topi c democratic life, main task i s cl ose conta ct thought, and work a ctual , control che ck distri ct Standi ng Committee team and the personal in im plementation independent Commissi on agai nst corr upti on guideli nes Shang exists of probl em, in-de pth carrie d out critici sm and self-criti cal, further clear re ctification dire ction and mea sures , effective enhanced cl ean politi cs of cons cious ness a nd i nitiati ve, firm set good of ruli ng image. Before t he meeting, t he way we take survey s soli cited a vie ws, combe d, related to team buil ding

丰城中学 2013-2014 学年上学期高二第二次月考试卷


命题人:张菊华

学 (理科重点班)
审题人:徐爱仁 2013.12.10
C )

一、选择题(本大题共 10 小题.共 50 分。在每小题给出的四个选项中,只有一项是符合题目要求的) 1 已 知 命 题 p : ? x1 , x2 ? R , (f(x2) ? f(x1))(x2 ? x1) ≥ 0 , 则 ? p 是 ( (A) ? x1,x2 ? R,(f(x2) ? f(x1))(x2 ? x1)≤0 (C) ? x1,x2 ? R,(f(x2) ? f(x1))(x2 ? x1)<0 (B) ? x1,x2 ? R,(f(x2) ? f(x1))(x2 ? x1)≤0 (D) ? x1,x2 ? R,(f(x2) ? f(x1))(x2 ? x1)<0

? x ? 2y ? 2 ? 2.已知变量 x, y 满足约束条件 ? 2 x ? y ? 4 ,则目标函数 z ? 3x ? y 的取值范围是( A ?4 x ? y ? ?1 ?
3 3 , ?1] (C) [?1, 6] (D) [?6, ] 2 2 3. 已知在等差数列 ?an ? 中 3a2 ? 7a7 , a1 ? 0 ,则下列说法正确的是( B )
(A) [?

)

3 , 6] 2

(B) [ ?

A. a11 ? 0

B. S10 为 S n 的最大值

C. d ? 0

D. S 4 ? S16 )

4. 已知向量 a=(1,1,0),b=(-1,0,2),且 ka+b 与 2a-b 互相垂直,则 k 值是( D 1 3 7 A.1 B. C. D. 5 5 5

5 下列命题错误的是

(

C

)

A.命题“若 x 2 ? 3x ? 2 ? 0, 则x ? 1 ”的逆否命题为“若 x ? 1, 则x 2 ? 3x ? 2 ? 0 ” B. “ x ? 2 ”是“ x 2 ? 3x ? 2 ? 0 ”的充分不必要条件 C. 若 p ? q 为假命题,则 p, q 均为假命题 D. 对于命题 p:?x ? R, 使得x 2 ? x ? 1 ? 0, 则

?p : ?x ? R, 均有 x 2 ? x ? 1 ? 0
C D. 123 )

6. 已知数列 ?an ? 满足 a1 ? 5, an?1 ? an ? 2 an ?1 ?1,则 a10 ? ( A. 120 B. 121 C. 122

7. 二面角的棱上有 A,B 两点,直线 AC,BD 分别在这个二面角的两个半平面内,且都垂直于 AB.已 知 AB=4,AC=6,BD=8,CD=2 17,则该二面角的大小为( C ) A.150° B.45° C.60° D.120° 8.在二面角??l?? 的半平面?内,线段 AB⊥l,垂足为 B;在半平面?内,线段 CD⊥l,垂 足为 D;M 为 l 上任一点.若 AB=2,CD=3,BD=1,则 AM +CM 的最小值为 A. 26 B. 23 C. 21 D. 19 ( A )

proje ct work, cadres, ca dres sel ecti on a nd other as pe cts of a total of 19, further define d the directi on of rectification, e nha nci ng the pertinence and effectivene ss of democratic life. 能 鉴 生 高 提 步 一 歌 诗 代 2古 修 必 是 图 意 置 设 元 单 本 。 受 美 审 富 丰 得 获 力 魅 术 艺 悟 析 赏 行 进 品 作 对 面 方 等 巧 技 现 表 、 容 内 从 习 学 , 上 础 基 的 知 感 体 整 在

Good for t his meeting, we re queste d the Sta ndi ng Committee of the muni cipa l party Committee, muni cipal Secretary General Ta ng We njin, t he City Commissi on f or dis cipli ne i nspecti on Standing Committee Yang Xu, Jia ng Jixue, De puty Dir ector of the personnel office, a nd other lea ding comrade s pres ent gui dance all ows us to warm appl aus e for their we lcome and thank s!

Below, I first Di strict Committee member of the 20 XX team a nnual dem ocratic me eting impleme ntation of the corre ctive measure s, as w ell as member of the team a nd of my ow n report gui delines for the implementati on of the independent Commissi on agai nst corruption statement invite d leaders and comrades critici sm. First, annual party on the 2 0XX team, Mem ber of democratic life action pla n impleme ntation year 20 XX, distri ct demo cratic meeti ng a member of the team on "study a nd practi ce the scie ntific Outlook on dev elopment" theme, find a pr oje ct supporting strong

enough, t he industry well e noug h, urba n constr uction manag ement level needs to be improve d, liveli hood im provement nee ds to be stre ngthe ned, district team its elf, such as t he five as pects . Year of 20XX, we fi nd out the problems me ntioned a bove, base d on act ual Shunqing construction and devel opme nt, cons cie ntiously s um up im provement s, achievi ng signifi cant development res ults a nd effectiveness of their w ork. (A) highlight t he pr oje ct ha ndle , maintain high gr owth of investment. A dhere to t he strategy as a Foundation, carryi ng out pr oject s to pr omote increase d stamina important. One is to i ncrea se the intensity of pr oject s towards. Actively seek national and pr ovincial policy support, superi or special tra nsfer payments , a variety of additional income will top 700 milli on Y uan, a number of key infrastructur e projects, livelihood pr oje cts, industrial projects i nto t he cage . S econd, increasi ng the proje ct attracts. T his year a total of 23 signe d a major proj ect, of which 14 billi on proje ct, China Me tallurgi cal group, va nke group, Gua ngdong hengda gr oup, Taiwan Ruentex group, on t he RI group, S henzhe n Kai sa, jifeng agri cult ural machinery, M ercedes-Be nz, A udi 4S st ore and other large e nterpri ses and pr oject s have settle d in Shunqing. T hird, strengthe n pr oject construction. Annual implementation focus pr oject 3 9 a, fixed assets i nvestment total wi ll breakthr oug h 12 billion yuan, created district yil ai history high, S out h door dam, and five in shop old city transformation, and Ying Chi na industrial conce ntrated distri ct construction, and city mai n road construction, and Nort heast steam Trade Ce nter, a nd moder n farmers industry Park, and vocational education cit y, and low re ntal, and als o room constructi on, and feat ures bl ocks buil d, a nd farmers market transformation, a nd "rural versi on" Street transformation, focus e ngine ering s pee d up im plementation, effectivene ss obviousl y. Expe cted to be achieved t his year, area-wi de G DP 17 billi on

thrift of excellent traditional a nd style la ck de ep of understanding, one -si ded t hink i n now of good sit uation Xia, economi c smooth more fast dev elopment, and reform made major progres s, and people living sig nifica ntly improve, a nd s oci al the career made new pr ogress, no necessary al ways har d has, no aw arenes s to China also has many poverty area, a nd al so has many poverty population of exists, more livi ng improve has, m ore nee d keep hard of style. Three i s not strictly hone st. Total thoug ht units is a water s ector, cl ean s elf-dis cipline away from hims elf too far, no real proce ss ing good living of improve and har d, and thrift excelle nt traditional of relationship, no effective do comply with Constituti on a nd party of regulations must from I do up, no right mer cy good bitter Le, and wealth of relationshi p, no right aware nes s to in comply wit h Constit ution and party of regula tions a spe cts everyone ha s accounta bility. F our, future dir ection and improv eme nt measure s 1, belief and faith, strengt hen party spirit. One i s to firmly establis h the noble ideals of str uggle for the i deals of communism, communi st struggle for life, ready t o sacrifi ce everything for the party and the people. Se cond is t o continuously impr ove the quality a nd sta ndar d of politi cal, consci entiously st udy De ng Xi aoping the ory and "three re present s" important thoug ht and the s cientifi c Outlook on development, im plement the party's basic program for the primary stage of soci alism, adhere t o t he correct politi cal orie ntation, maintain highly consistent with the CPC Ce ntral Committee, is g ood at t heorie s of sociali sm with Chine se characteristi cs to a nalyze a nd solve probl ems. Third, strengtheni ng the party spirit a nd the worl d transformation, perseve rance of the party Constit ution, relive Party vow s to esta blish corre ct worl d Outlook, Outlook on life a nd the worl d, pr a ctically embodi es ide als and beliefs into a ction, combi ne lofty ideal s and practi cal a ctivities, transformi ng the obje ctive worl d, a ctively partici pate in t he great practi ce of buil ding sociali sm with Chinese characteri stics . 2, kee p the purpose i n concept , cha nging t he style of work . First, kee p in mind that the pur pose of servi ng, a dhere to a ss uming power for the people, kee p in mi nd the pe ople a nd care about people, a nd the joys a nd sorrows of the masses, ... According to city dis cipli ne, and municipal organi zation Departme nt requireme nts, today we hel d "implement impl ementation independent Commissi on against corr upti on gui deli nes effective strengt heni ng led cadres style construction" topi c democratic life, main task i s cl ose conta ct thought, and work a ctual , control che ck distri ct Standi ng Committee team and the personal in im plementation independent Commissi on agai nst corr upti on guideli nes Shang exists of probl em, in-de pth carrie d out critici sm and self-criti cal, further clear re ctification dire ction and mea sures , effective enhanced cl ean politi cs of cons cious ness a nd i nitiati ve, firm set good of ruli ng image. Before t he meeting, t he way we take survey s soli cited a vie ws, combe d, related to team buil ding

9.已知 a 、 b 、 c 成等比数列,且 a ? 0 ,若 a ? b ? c ? m , m 为正常数,则 b 的取值范围是( B )

m m m m m m ,0) (0, ] B. [?m,0) (0, ] C. [? ,0) (0, ] D. [? ,0) (0, m) 3 3 3 3 2 2 2 2 x y 10.椭圆 2 ? 2 ? 1, ( a ? b ? 0) 的四个顶点A、B、C、D构成的四边形为菱形,若菱形ABCD 的 a b
A. [? 内切圆恰好过焦点,则椭圆的离心率是( A. C C. )

3 5 2

B.

3? 5 8

5 ?1 2

D.

5 ?1 4

二、填空题(本大题共 5 小题.把答案填在题中横线上) 11.椭圆

x2 y2 ? ? 1的左焦点为 F , 直线 x ? m 与椭圆相交于点 A 、B , 当 ?FAB 的周长最大时,?FAB 4 3

的面积是______3______。 → → 12. 已知空间三点 A(0,2,3),B(-2,1,6),C(1,-1,5).则以AB,AC为边的平行四边形的面积 为_7 3_______.

y2 13.设 x, y, z 为正实数,满足 x ? 2 y ? 3z ? 0 ,则 的最小值是 3 xz 14.数列 {an } 的前 n 项和是 S n ,若数列 {an } 的各项按如下规则排列:
1 1 2 1 2 3 1 2 3 4 1 , , , , , , , , , , , 2 3 3 4 4 4 5 5 5 5 6
若存在正整数 k ,使 Sk ? 10 , Sk ?1 ? 10 ,则 ak ? ,
5 7



15.设 ?ABC 的内角 A, B, C 所对的边为 a , b, c ;则下列命题正确的是 _____ ①若 ab ? c ;则 C ?
2

?
3

②若 a ? b? 2 c ;则 C ?

?
3

3 3 3 ③若 a ? b ? c ;则 C ?

?
2

? 2 a ;则 b C? ④若 (a ? b) c

?
2

⑤若 (a ? b )c ? 2a b ;则 C ?
2 2 2 2 2

?
3

三、解答题(本大题共 6 小题.解答应写出必要的文字说明、证明过程或演算步骤)

proje ct work, cadres, ca dres sel ecti on a nd other as pe cts of a total of 19, further define d the directi on of rectification, e nha nci ng the pertinence and effectivene ss of democratic life. 能 鉴 生 高 提 步 一 歌 诗 代 2古 修 必 是 图 意 置 设 元 单 本 。 受 美 审 富 丰 得 获 力 魅 术 艺 悟 析 赏 行 进 品 作 对 面 方 等 巧 技 现 表 、 容 内 从 习 学 , 上 础 基 的 知 感 体 整 在

Good for t his meeting, we re queste d the Sta ndi ng Committee of the muni cipa l party Committee, muni cipal Secretary General Ta ng We njin, t he City Commissi on for dis cipli ne i nspecti on Standing Committee Yang Xu, Jia ng Jixue, De puty Dir ector of the personnel office, a nd other lea ding comrade s pres ent gui dance all ows us to warm appl aus e for their we lcome and thank s!

Below, I first Di strict Committee member of the 20 XX team a nnual dem ocratic me eting impleme ntation of the corre ctive measure s, as w ell as member of the team a nd of my ow n report gui delines for the implementati on of the independent Commissi on agai nst corruption statement invite d leaders and comrades critici sm. First, annual party on the 2 0XX team, Mem ber of democratic life action pla n impleme ntati on year 20 XX, distri ct democratic meeti ng a member of the team on "study a nd practi ce the scie ntific Outlook on dev elopment" theme, find a pr oje ct supporting strong

enough, t he industry well e noug h, urba n constr uction manag ement level needs to be improve d, liveli hood im provement nee ds to be stre ngthe ned, district team its elf, such as t he five as pects . Year of 20XX, we fi nd out the problems me ntioned a bove, base d on act ual Shunqing construction and devel opme nt, cons cie ntiously s um up im provement s, achievi ng signifi cant development res ults a nd effectiveness of their w ork. (A) highlight t he pr oje ct ha ndle , maintain high gr owth of investment. A dhere to t he strategy as a Foundation, carryi ng out pr oject s to pr omote increase d stamina important. One is to i ncrea se the intensity of pr oject s towards. Actively seek national and pr ovincial policy support, superi or special tra nsfer payment s , a variety of additional income will top 700 milli on Y uan, a number of key infrastructur e projects, livelihood pr oje cts, industrial projects i nto t he cage . Second, increasi ng the proje ct attracts. T his year a total of 23 signe d a major proj ect, of which 14 billi on proje ct, China Metallurgi cal group, va nke group, Gua ngdong hengda gr oup, Taiwan Ruentex group, on t he RI group, S henzhe n Kai sa, jifeng agri cult ural machinery, M ercedes-Be nz, A udi 4S st ore and other large e nterpri ses and pr oject s have settle d in Shunqing. T hird, strengthe n pr oject construction. Annual implementation focus pr oject 3 9 a, fixed assets i nvestment total wi ll breakthr oug h 12 billion yuan, created district yil ai history high, S out h door dam, and five in shop old city transformation, and Ying Chi na industrial conce ntrated distri ct construction, and city mai n road construction, and Nort heast steam Trade Ce nter, a nd mo der n farmers industry Park, and vocational education cit y, and low re ntal, and als o room constructi on, and feat ures bl ocks buil d, a nd farmers market transformation, a nd "rural versi on" Street transformation, focus e ngine ering s pee d up im plementation, effectivene ss obviousl y. Expe cted to be achieved t his year, area-wi de G DP 17 billi on

thrift of excellent traditional a nd style l ack deep of understanding , one-side d thi nk in now of good situati on Xia, e conomic smoot h more fast devel opme nt, and reform made major progres s, and pe opl e living sig nificantly im prove, a nd s oci al the career made new progress , no ne cess ary always har d has, no aw arene ss to Chi na als o has ma ny poverty area , and als o has ma ny poverty populati on of exists , more living im prove ha s, more need ke ep hard of style. Three i s not strictly hone st. Total thoug ht units is a water sect or, clean self-di sci pline a way from himself too far, no rea l proces sing good livi ng of improve a nd hard, a nd t hrift excellent traditi onal of relationshi p, no effective do com ply with Constituti on a nd party of regulations must from I do up, no rig ht mercy good bitter Le, a nd wealt h of relations hip, no rig ht awarene ss to i n comply with Constituti on a nd party of regul ations a spe cts everyone has a ccounta bility. Four, future directi on a nd impr ovement meas ures 1, belief a nd faith, stre ngthe n party s pirit. One is t o firmly establis h the noble ide als of struggl e for the i deals of communism, communi st struggle for life, rea dy to sacrifice everyt hing for the party and the people. Se cond i s to continuously impr ove the quality a nd sta ndar d of political, conscienti ously st udy D eng Xiaoping theory a nd "three re prese nts" important t hought and the s cie ntific Outlook on devel opment, im plement the party's basic program for the primary stage of socialism, a dhere to the corre ct political orientation, maintai n hig hly consi stent with t he CPC Central Committee, is good at the ories of s ocial ism with Chi nese chara cteristics t o analyz e and solve problems. Third, strengthe ning the party s pirit and t he w orld transformati on, persevera nce of the party Constit ution, relive Party vow s to esta blis h corre ct worl d Outlook, Outlook on l ife and the worl d, pra ctically em bodies ideals a nd beliefs into a ction, combi ne lofty ideal s and practi cal a ctivities, transformi ng the obje ctive worl d, a ctively partici pate in t he great practi ce of buildi ng sociali sm with Chine se characteristi cs. 2, keep t he purpose in concept, changi ng the style of work. Fir st, keep i n mind t hat the purpose of serving , adhere to as suming pow er for the people, keep i n mind the people and care a bout pe opl e, and the j oys and sorrow s of the masse s, ... According to city dis cipli ne, and municipal organi zation Departme nt requireme nts, today we hel d "implement impl ementation independent Commissi on against corr upti on gui deli nes effective strengt heni ng led cadres style construction" topi c democratic life, main task i s cl ose conta ct thought, and work a ctual , control che ck distri ct Standi ng Committee team and the personal in im plementation independe nt Commissi on agai nst corr upti on guideli nes Shang exists of probl em, in-de pth carrie d out critici sm and self-criti cal, further clear re ctification dire ction and mea sures , effective enhanced cl ean politi cs of cons cious ness a nd i nitiati ve, firm set good of ruli ng image. Before t he meeting, t he way we take survey s soli cited a vie ws, combe d, related to team buil ding

16.(本题满分 12 分)已知命题 P :方程

x2 y2 ? ? 1 表示焦点在 y 轴上的椭圆.命题 Q :关于 x 的方程 3 k ?5

x 2 ? x ? k ? 0 有实数根.如果命题“ ?P ”为假,命题“ P ? Q ”为假,求 k 的取值范围.
x2 y2 ? ? 1 表示焦点在 y 轴上的椭圆, k ? 5 ? 3 ? k ? 8 . 所以命题 P 是真命题的条件是: 解: 方程 3 k ?5

k ? 8 . ------3 分
关于 x 的方程 x ? x ? k ? 0 有实数根,则只需 ? ? 1 ? 4 k ? 0 ,即 k ?
2

1 .命题 Q 是真命题的条件是: 4

1 .------6 分 4 因为命题“ ?P ”为假,所以命题 P 是真命题. 又因为命题“ P ? Q ”为假,所以命题 Q 是假命题. k?
所以命题 Q 是假命题的条件是 k ?

1 . -----9 分 4

综上所述,使命题“ ?P ”为假,命题“ P ? Q ”为假的条件是 k 的取值范围为 (8, ??) . ----12 分

17.(本题满分 12 分)在 ?ABC中, cos A ? ?

5 4 , sin B ? . 13 5

(Ⅰ)求 cosC 的值; (Ⅱ)设 BC ? 15 ,求 ?ABC的面积.
5 4 12 3 , sin B ? ,得 sin A ? , cos B ? .----2 分 13 5 13 5 ∵ A ? B ? C ? ? ,∴ cos C ? cos[? ? ( A ? B)] ? ? cos(A ? B) -----4 分

解: (Ⅰ)由 cos A ? ?

? ?(cos A cos B ? sin A sin B) ?

63 .-----6 分 65

(Ⅱ)由 cos C ?

63 13 ,得 sin C ? ,------8 分 65 65

由正弦定理得 AC ?

BC ? sin B ? 13 .-----10 分 sin A

所以 ?ABC的面积 S ?

1 1 16 ? BC ? AC ? sin C ? ?15?13? ? 24 .----12 分 2 65 2

16. (本小题满分 12 分) 已知 p : f ( x) ?

1? x , 且 | f (a) |? 2 ; 3

q :集合 A ? {x | x 2 ? (a ? 2)x ? 1 ? 0, x ? R}, B ? {x | x ? 0} 且 A ? B ? ? .若 p ∨ q 为真命题,
p ∧ q 为假命题,求实数的取值范围.

proje ct work, ca dres, cadres sele ction and other a spe cts of a total of 19, furt her defined the directi on of rectification, en hancing t he perti nence a nd effectivene ss of democrati c life. 能 鉴 生 高 提 步 一 歌 诗 代 2古 修 必 是 图 意 置 设 元 单 本 。 受 美 审 富 丰 得 获 力 魅 术 艺 悟 析 赏 行 进 品 作 对 面 方 等 巧 技 现 表 、 容 内 从 习 学 , 上 础 基 的 知 感 体 整 在

Good for this meeti ng, we re queste d the Standing Committee of the munici pal party Committee, muni cipal S ecretary General Ta ng Wenji n, the City Commis sio n for dis cipli ne inspection Standing Committee Ya ng Xu, Jiang Jixue, De puty Dire ctor of the pers onnel office, a nd other lea ding comrades prese nt guida nce allow s us t o warm appla use for t heir welcome and tha nks!

Below, I first District Committee member of the 20XX team annual democratic meeting impl ementation of the corrective mea sures, a s well as member of the team and of my own report gui deline s for the impleme ntation of the independent Commissi on agai nst corr upti on stateme nt invited lea ders and comrades criticism. First, annual party on the 2 0XX team, Member of democratic life acti on pl an impleme ntation year 20XX, district d emocrati c meeting a member of the team on "study and practi ce the scie ntific Outlook on devel opment" theme, fi nd a pr oject supporti ng strong

enough, the industry well e nough, urba n constr ucti on manageme nt level ne eds t o be impr oved, liveli hood im provement needs to be stre ngthe ned, distri ct team itself, such a s the five as pects . Year of 20XX, we find out the problems menti one d above, ba sed on a ctual Shunqing construction and development, conscie ntiousl y s um up impr ovements, a chi eving sig nificant development res ults and effectivene ss of their w ork. (A) highlight t he project handle, maintai n hig h growth of investment. A dhere t o the strategy as a Foundation, carrying out pr oje cts to pr omote increase d stamina im portant. One i s to increase t he inte nsity of proj ects towards . Actively se ek national and pr ovincial policy s upport, s uperior s peci al transfer payments , a variety of additi onal i nc ome will top 700 million Yua n, a number of key infrastructure proje cts, liveli hood proje cts, industrial proj ects i nto the cag e. Second, i ncrea sing the proj ect attracts. T his year a total of 23 signe d a major pr oje ct, of whi ch 1 4 billi on proje ct, China Meta ll urgical gr oup, vanke group, G uang dong he ngda group, Taiwa n Ruentex group, on the RI group, She nzhen Ka isa, jifeng agri cult ural machinery, M ercedes-Be nz, A udi 4S st ore and other large e nterpri ses and pr oject s have settle d in Shunqing. T hird, strengthe n pr oject construction. Annual implementation focus pr oject 3 9 a, fixed assets i nvestment total wi ll breakthr oug h 12 billion yuan, created district yil ai history high, S out h door dam, and five in shop old city transformation, and Ying Chi na industrial conce ntr ated distri ct construction, and city mai n road construction, and Nort heast steam Trade Ce nter, a nd moder n farmers industry Park, and vocational education cit y, and low re ntal, and als o room constructi on, and feat ures bl ocks buil d, a nd farmers market transf ormation, a nd "rural versi on" Street transformation, focus e ngine ering s pee d up im plementation, effectivene ss obviousl y. Expe cted to be achieved t his year, area-wi de G DP 17 billi on

thrift of excellent traditional a nd style la ck de ep of understanding, one -si ded t hink i n now of good sit uation Xia, economi c smooth more fast dev elopment, and reform made major progres s, and people living sig nifica ntly improve, a nd s oci al the career made new pr ogress, no necessary al ways har d has, no aw arenes s to China also has many poverty area, a nd al so has many poverty population of exists, more livi ng improve has, m ore nee d keep hard of style. Three i s not strictly hone st. Total thoug ht units is a water s ector, cl ean s elf-dis cipline away from hims elf too far, no real proce ss ing good living of improve and har d, and thrift excelle nt traditional of relationship, no effective do comply with Constituti on a nd party of regulations must from I do up, no right mer cy good bitter Le, and wealth of relationshi p, no right aware nes s to in comply wit h Constit ution and party of regula tions a spe cts everyone ha s accounta bility. F our, future dir ection and improv eme nt measure s 1, belief and faith, strengt hen party spirit. One i s to firmly establis h the noble ideals of str uggle for the i deals of communism, communi st struggle for life, ready t o sacrifi ce everything for the party and the people. Se cond is t o continuously impr ove the quality a nd sta ndar d of politi cal, consci entiously st udy De ng Xi aoping the ory and "three re present s" important thoug ht and the s cientifi c Outlook on development, im plement the party's basic program for the primary stage of soci alism, adhere t o t he correct politi cal orie ntation, maintain highly consistent with the CPC Ce ntral Committee, is g ood at t heorie s of sociali sm with Chine se characteristi cs to a nalyze a nd solve probl ems. Third, strengtheni ng the party spirit a nd the worl d transformation, perseve rance of the party Constit ution, relive Party vow s to esta blish corre ct worl d Outlook, Outlook on life a nd the worl d, pr a ctically embodi es ide als and beliefs into a ction, combi ne lofty ideal s and practi cal a ctivities, transformi ng the obje ctive worl d, a ctively partici pate in t he great practi ce of buil ding sociali sm with Chinese characteri stics . 2, kee p the purpose i n concept , cha nging t he style of work . First, kee p in mind that the pur pose of servi ng, a dhere to a ss uming power for the people, kee p in mi nd the pe ople a nd care about people, a nd the joys a nd sorrows of the masses, ... According to city dis cipli ne, and municipal organi zation Departme nt requireme nts, today we hel d "implement impl ementation independent Commissi on against corr upti on gui deli nes effective strengt heni ng led cadres style construction" topi c democratic life, main task i s cl ose conta ct thought, and work a ctual , control che ck distri ct Standi ng Committee team and the personal in im plementation independent Commissi on agai nst corr upti on guideli nes Shang exists of probl em, in-de pth carrie d out critici sm and self-criti cal, further clear re ctification dire ction and mea sures , effective enhanced cl ean politi cs of cons cious ness a nd i nitiati ve, firm set good of ruli ng image. Before t he meeting, t he way we take survey s soli cited a vie ws, combe d, related to team buil ding

17. (本大题满分 12 分) 在 ?ABC 中, A, B, C 的对边分别为 a , b, c 且 a cos C , b cos B, c cos A 成等差数列. (1)求 B 的值; (2)求 2sin A ? cos( A ? C ) 的取值范围.
2

18. (本大题满分 12 分) 在 ?ABC 中,已知 AB ? AC ? 2 3 , ?BAC ? 30 .
o

(Ⅰ)求 ?ABC 的面积; (Ⅱ)设 M 是 ?ABC 内一点,定义 f ( M ) ? (m, n, p) ,其中 m , n , p 分别是 ?MBC , ?MCA ,

1 4 1 ?MAB 的面积,若 f (M ) ? ( , x, y) ,求 ? 的最小值 x y 2

19. (本大题满分 12 分) 已知数列 ?an ? 的前 n 项和是 Sn ( n ? N * ), a1 ? 1 且 S n ? S n ?1 ? (1)求数列 ?an ? 的通项公式;

1 an ? 0 2

(2)求证 : 对任意的n ? N *, 不等式

1 1 ? ? 1 ? S2 1 ? S3

1 ? n ? 1成立 1 ? Sn?1

proje ct work, cadres, ca dres sel ecti on a nd other as pe cts of a total of 19, further define d the directi on of rectification, e nha nci ng the pertinence and effectivene ss of democratic life. 能 鉴 生 高 提 步 一 歌 诗 代 2古 修 必 是 图 意 置 设 元 单 本 。 受 美 审 富 丰 得 获 力 魅 术 艺 悟 析 赏 行 进 品 作 对 面 方 等 巧 技 现 表 、 容 内 从 习 学 , 上 础 基 的 知 感 体 整 在

Good for t his meeting, we re queste d the Sta ndi ng Committee of the muni cipa l party Committee, muni cipal Secretary General Ta ng We njin, t he City Commissi on for dis cipli ne i nspecti on Standing Committee Yang Xu, Jia ng Jixue, De puty Dir ector of the personnel office, a nd other lea ding comrade s pres ent gui dance all ows us to warm appl aus e for their we lcome and thank s!

Below, I first Di strict Committee member of the 20 XX team a nnual dem ocratic me eting impleme ntation of the corre ctive measure s, as w ell as member of the team a nd of my ow n report gui delines for the implementati on of the independent Commissi on agai nst corruption statement invite d leaders and comrades critici sm. First, annual party on the 2 0XX team, Mem ber of democratic life action pla n impleme ntati on year 20 XX, distri ct democratic meeti ng a member of the team on "study a nd practi ce the scie ntific Outlook on dev elopment" theme, find a pr oje ct supporting strong

enough, t he industry well e noug h, urba n constr uction manag ement level needs to be improve d, liveli hood im provement nee ds to be stre ngthe ned, district team its elf, such as t he five as pects . Year of 20XX, we fi nd out the problems me ntioned a bove, base d on act ual Shunqing construction and devel opme nt, cons cie ntiously s um up im provement s, achievi ng signifi cant development res ults a nd effectiveness of their w ork. (A) highlight t he pr oje ct ha ndle , maintain high gr owth of investment. A dhere to t he strategy as a Foundation, carryi ng out pr oject s to pr omote increase d stamina important. One is to i ncrea se the intensity of pr oject s towards. Actively seek national and pr ovincial policy support, superi or special tra nsfer payment s , a variety of additional income will top 700 milli on Y uan, a number of key infrastructur e projects, livelihood pr oje cts, industrial projects i nto t he cage . Second, increasi ng the proje ct attracts. T his year a total of 23 signe d a major proj ect, of which 14 billi on proje ct, China Metallurgi cal group, va nke group, Gua ngdong hengda gr oup, Taiwan Ruentex group, on t he RI group, S henzhe n Kai sa, jifeng agri cult ural machinery, M ercedes-Be nz, A udi 4S st ore and other large e nterpri ses and pr oject s have settle d in Shunqing. T hird, strengthe n pr oject construction. Annual implementation focus pr oject 3 9 a, fixed assets i nvestment total wi ll breakthr oug h 12 billion yuan, created district yil ai history high, S out h door dam, and five in shop old city transformation, and Ying Chi na industrial conce ntrated distri ct construction, and city mai n road construction, and Nort heast steam Trade Ce nter, a nd mo der n farmers industry Park, and vocational education cit y, and low re ntal, and als o room constructi on, and feat ures bl ocks buil d, a nd farmers market transformation, a nd "rural versi on" Street transformation, focus e ngine ering s pee d up im plementation, effectivene ss obviousl y. Expe cted to be achieved t his year, area-wi de G DP 17 billi on

thrift of excellent traditional a nd style l ack deep of understanding , one-side d thi nk in now of good situati on Xia, e conomic smoot h more fast devel opme nt, and reform made major progres s, and pe opl e living sig nificantly im prove, a nd s oci al the career made new progress , no ne cess ary always har d has, no aw arene ss to Chi na als o has ma ny poverty area , and als o has ma ny poverty populati on of exists , more living im prove ha s, more need ke ep hard of style. Three i s not strictly hone st. Total thoug ht units is a water sect or, clean self-di sci pline a way from himself too far, no rea l proces sing good livi ng of improve a nd hard, a nd t hrift excellent traditi onal of relationshi p, no effective do com ply with Constituti on a nd party of regulations must from I do up, no rig ht mercy good bitter Le, a nd wealt h of relations hip, no rig ht awarene ss to i n comply with Constituti on a nd party of regul ations a spe cts everyone has a ccounta bility. Four, future directi on a nd impr ovement meas ures 1, belief a nd faith, stre ngthe n party s pirit. One is t o firmly establis h the noble ide als of struggl e for the i deals of communism, communi st struggle for life, rea dy to sacrifice everyt hing for the party and the people. Se cond i s to continuously impr ove the quality a nd sta ndar d of political, conscienti ously st udy D eng Xiaoping theory a nd "three re prese nts" important t hought and the s cie ntific Outlook on devel opment, im plement the party's basic program for the primary stage of socialism, a dhere to the corre ct political orientation, maintai n hig hly consi stent with t he CPC Central Committee, is good at the ories of s ocial ism with Chi nese chara cteristics t o analyz e and solve problems. Third, strengthe ning the party s pirit and t he w orld transformati on, persevera nce of the party Constit ution, relive Party vow s to esta blis h corre ct worl d Outlook, Outlook on l ife and the worl d, pra ctically em bodies ideals a nd beliefs into a ction, combi ne lofty ideal s and practi cal a ctivities, transformi ng the obje ctive worl d, a ctively partici pate in t he great practi ce of buildi ng sociali sm with Chine se characteristi cs. 2, keep t he purpose in concept, changi ng the style of work. Fir st, keep i n mind t hat the purpose of serving , adhere to as suming pow er for the people, keep i n mind the people and care a bout pe opl e, and the j oys and sorrow s of the masse s, ... According to city dis cipli ne, and municipal organi zation Departme nt requireme nts, today we hel d "implement impl ementation independent Commissi on against corr upti on gui deli nes effective strengt heni ng led cadres style construction" topi c democratic life, main task i s cl ose conta ct thought, and work a ctual , control che ck distri ct Standi ng Committee team and the personal in im plementation independe nt Commissi on agai nst corr upti on guideli nes Shang exists of probl em, in-de pth carrie d out critici sm and self-criti cal, further clear re ctification dire ction and mea sures , effective enhanced cl ean politi cs of cons cious ness a nd i nitiati ve, firm set good of ruli ng image. Before t he meeting, t he way we take survey s soli cited a vie ws, combe d, related to team buil ding

20. (本大题满分 13 分) 如图, 在四棱锥 P ? ABCD 中, 底面 ABCD 为直角梯形, AD / / BC, ?ADC ? 900 ,平面 PAD ⊥底面 ABCD ,Q 为 AD 的 中 点 , M 是 棱 PC 上 的 点 , PA ? PD ? 2 ,

P

M D Q A B C

BC ?

1 AD ? 1 , CD ? 3 . 2

(I)求证:平面 PQB ⊥平面 PAD ; (II)若二面角 M ? BQ ? C 为 30°,设 PM ? tMC ,试确定 t 的值.

21. (本小题满分 14 分) 已知各项均为正数的数列 {an } 满足 an?1 其中 n ? N .
*

2

2 ? 2an ? an an?1 ,

且 a2

? a4 ? 2a3 ? 4 ,

(1) 求数列 {an }的通项公式; (2) 设数列 {bn } 满足 bn ?

nan , 是否存在正整数 m, n (1 ? m ? n) , 使得 b1 , bm , bn 成等比数列? (2n ? 1) ? 2 n

若存在,求出所有的 m、n 的值;若不存在,请说明理由. (3) 令 cn ?

(n ? 1) 2 ? 1 5 1 * ? Sn ? . ,记数列 {c n }的前 n 项和为 Sn (n ? N ) ,证明: 16 2 n(n ? 1)an ? 2

proje ct work, ca dres, cadres sele ction and other a spe cts of a total of 19, furt her defined the directi on of rectification, en hancing t he perti nence a nd effectivene ss of democrati c life. 能 鉴 生 高 提 步 一 歌 诗 代 2古 修 必 是 图 意 置 设 元 单 本 。 受 美 审 富 丰 得 获 力 魅 术 艺 悟 析 赏 行 进 品 作 对 面 方 等 巧 技 现 表 、 容 内 从 习 学 , 上 础 基 的 知 感 体 整 在

Good for this meeti ng, we re queste d the Standing Committee of the munici pal party Committee, muni cipal S ecretary General Ta ng Wenji n, the City Commis sio n for dis cipli ne inspection Standing Committee Ya ng Xu, Jiang Jixue, De puty Dire ctor of the pers onnel office, a nd other lea ding comrades prese nt guida nce allow s us t o warm appla use for t heir welcome and tha nks!

Below, I first District Committee member of the 20XX team annual democratic meeting impl ementation of the corrective mea sures, a s well as member of the team and of my own report gui deline s for the impleme ntation of the independent Commissi on agai nst corr upti on stateme nt invited lea ders and comrades criticism. First, annual party on the 2 0XX team, Member of democratic life acti on pl an impleme ntation year 20XX, district d emocrati c meeting a member of the team on "study and practi ce the scie ntific Outlook on devel opment" theme, fi nd a pr oject supporti ng strong

enough, the industry well e nough, urba n constr ucti on manageme nt level ne eds t o be impr oved, liveli hood im provement needs to be stre ngthe ned, distri ct team itself, such a s the five as pects . Year of 20XX, we find out the problems menti one d above, ba sed on a ctual Shunqing construction and development, conscie ntiousl y s um up impr ovements, a chi eving sig nificant development res ults and effectivene ss of their w ork. (A) highlight t he project handle, maintai n hig h growth of investment. A dhere t o the strategy as a Foundation, carrying out pr oje cts to pr omote increase d stamina im portant. One i s to increase t he inte nsity of proj ects towards . Actively se ek national and pr ovincial policy s upport, s uperior s peci al transfer payments , a variety of additi onal i nc ome will top 700 million Yua n, a number of key infrastructure proje cts, liveli hood proje cts, industrial proj ects i nto the cag e. Second, i ncrea sing the proj ect attracts. T his year a total of 23 signe d a major pr oje ct, of whi ch 1 4 billi on proje ct, China Meta ll urgical gr oup, vanke group, G uang dong he ngda group, Taiwa n Ruentex group, on the RI group, She nzhen Ka isa, jifeng agri cult ural machinery, M ercedes-Be nz, A udi 4S st ore and other large e nterpri ses and pr oject s have settle d in Shunqing. T hird, strengthe n pr oject construction. Annual implementation focus pr oject 3 9 a, fixed assets i nvestment total wi ll breakthr oug h 12 billion yuan, created district yil ai history high, S out h door dam, and five in shop old city transformation, and Ying Chi na industrial conce ntr ated distri ct construction, and city mai n road construction, and Nort heast steam Trade Ce nter, a nd moder n farmers industry Park, and vocational education cit y, and low re ntal, and als o room constructi on, and feat ures bl ocks buil d, a nd farmers market transf ormation, a nd "rural versi on" Street transformation, focus e ngine ering s pee d up im plementation, effectivene ss obviousl y. Expe cted to be achieved t his year, area-wi de G DP 17 billi on


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