2008年新疆乌鲁木齐市高中招生统一考试题及参考答案
2008乌鲁木齐中学高三期中数学试题

乌鲁木齐市高级中学2007-2008学年第一学期期中考试试题高三数学命题人 杨帆(满分 100分 时间100分钟 ★祝你考试顺利★,只交答题卷,试卷考生留存以备考后讲评)一、选择题:本大题共12小题,每小题3分,共36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,请把正确的答案填在答题卷上. 1. 1.设全集{1234}{12}{24}U A B ===,,,,,,,,则()U AB =ðA .{2}B .{3}C .{124},,D .{14},2、若不等式 | a x +2 | < 6的解集为(-1,2),则实数a 等于A. 8B. 2C.-4D.-8 3.函数11y x =--的图象是4.设p 、q 为简单命题,则“p 且q”为假是“p 或q”为假的A.充分不必要条件B.必要不充分条件C.充要条件D.既不充分也不必要条件5.已知定义在R 上的奇函数f(x)满足f(x+2)=-f(x),则f(2008)的值是A .-1B .1C .2D .0 6、.函数sin y x =的一个单调递增区间是 A .ππ⎛⎫- ⎪44⎝⎭,B .3ππ⎛⎫ ⎪44⎝⎭,C .3π⎛⎫π ⎪2⎝⎭,D .32π⎛⎫π⎪2⎝⎭, 7、若a 、b 、c 、d 为非零实数,c 、d 是方程20x ax b ++=的根,a 、b 是方程20x cx d ++=的根,则a +b +c +d =A. 0B. —2C. 2D. 4 8.已知等比数列{}a n 的前n 项和为S x n n =⋅--3161,则x 的值为 A.12B.13C.-13D. -129.若0x 是方程ln 4x x +=的解,则0x 属于区间A .(0,1)B .(1,2)C .(2,3)D .(3,4) 10.对一切实数x ,不等式01||2≥++x a x 恒成立,则实数a 的取值范围是A .)2,(--∞B .[)+∞-,2C .]2,2[-D .[)+∞,011. 设α是第二象限的角,tanα=43-,且sin cos 22αα<,则cos 2α=A.35-B.D.± 12(文)小区收取冬季供暖费,根据规定,住户可以从以下方案中任选其一:方案1:按使用面积缴纳,4元/米2;方案2:按建筑面积缴纳,3元/米2。
新疆2008年内地新疆中考语文试卷及答案1

2008年新疆维吾尔自治区内地新疆高中班招生统一考试语文试题卷考生须知:⒈本卷满分为150分,考试时间为120分钟。
⒉本卷由试越卷和答题卷...两部分组成.其中试愚卷共8页,答题卷共2页。
要求答题卷...上答题,在试题卷上答撮无效。
⒊答题前,请先在答题卷上认真填写座位号、姓名和准考证号,井认真核准条形码上的座位号、姓名和准考证子。
⒋答题时,选择题答案必须使用2B铅笔填潦涂;非选择答案必须使用0.5毫米黑色字迹的签字笔书写,要求字体工整、笔迹清楚。
⒌请按照题号顺序在各题目的答题区域内作答,超出答题区城书写答案无效;在草稿纸、试题卷上答意无效。
一、积累与运用(共32分)㈠选择题(请在答题卷...的相座位置填潦正确选顷)(15分)⒈请选出下列词语中加点字注音完全正确....的一项(3分)A.避讳.()匀称.()擦拭.()苦心孤诣.(y)B.狭隘.()教诲.()拆.散()锐不可当.()D.拂.晓()瞥.见()气氛.()脍.炙人口(ku)C.一抔.()嗤.笑()风靡.()锲.而不舍()⒉请选出下列词语中没有..错别字的一项(3分)A.未雨绸缪温文尔雅神采奕奕消声匿迹B.相题并论一泻千里以身殉职无所适从C.怒不可遏流连忘返趾高气扬咄咄逼人D.走头无路怡然自得受益匪浅循规蹈矩⒊请选出下列词语中,加点字解释不完全正确的一项(3分)A.潜滋.暗长(生长)触目伤怀.(心)B.义愤填膺.(胸)一丝不苟.(假如)C.笑容可掬.(双手捧着)呼朋引.伴(招引)D.变卖典质.(抵押)令人发指.(直竖)⒋请选出下列说法有误..的一项(3分)A.朱自清的《春》从视觉、触觉、嗅觉和听觉方面来描写春风,突出其和暖、轻柔和清新的特点。
B.说明事物要注意抓住事物的特征,如《苏州园林》作者就抓住了园林布局的巧妙这一特征来写。
说明事物还要注意说明顺序,常见的说明顺序有时间顺序和逻辑顺序。
C.戏剧是一种文学样式,其特点是时间、空间高度集中,有尖锐的矛盾冲突,用人物语言、阳光家教网家教学习资料动作表现人物性格。
2008年新疆乌鲁木齐中考物理答案

新疆乌鲁木齐2008年高中招生统一考试物理试卷参考答案及评分标准一、填空题(本题有4个小题,每空1分,共30分。
)1.(1)可再生 ; 电 (2)一 ; 不会2.(1)凸 ; 实 (2)25 ; (3)凹3.(1) E ; 220 (2) 0.96 ; 冰箱门要关严(只要合理救给分)(3)6.3×104(4) 液化 ; 放出 ; 凝华(5) 方向 (6)臭氧层 ; 紫外线4.(1) 信息 ; 固体(气体) ; 双耳 ; 响度(2)○11.3×105 ; 静止 ○2 40 ; 3.6×1010 ○3 9000 ○4 106 ; 104 二、选择题(本题有10个小题,每小题3分,共30分。
每小题4个选项,其中只有1个选项是符合题意的,请将正确选项前的字母序号填在答卷相应的表格里。
选对得3分,多选、不选、错选均不得分) 题号1 2 3 4 5 6 7 8 9 10 答案 A A B C D B D C D A三、作图、实验与简答题(本题有6个小题,共20分)1.如图甲(2分)2.如图乙(2分)3.如图丙(2分)4.(5分)(1) 2.0 (2)如图 (2分)(3)物体的重力与它的质量成正比(4)零刻度5.(5分)(1)a(2)Rx(3)21U U Ro (2分) (4)误差6.(4分)(1)电磁感应 ;发电机(只要合理就给分)(2)托里拆利 ; 不变四、计算题(本题有2个小题,每小题5分,共10分。
每题要有计算过程和必要的文字说明,只给出结果不得分)1.解:(1)由欧姆定律,电源两端电压 U=I 1R 1=3V(2)通过电阻R2的电流I =I 2-I 1=0.2A由欧姆定律 R2=I U =15Ω (3)由焦耳定律得 Q=I 2R 2t =36J2.解:(1)搬运花瓶的有用功 W有=m 瓶gh =3000J(2)总功为 W总=FS =4800J机械效率 =总有W W =62.5%(3)由题意W总=W有+G 箱h +W 克解得 W 克=1200J。
2008年新疆乌鲁木齐市高中招生统一考试答案

2008年新疆乌鲁木齐市高中招生统一考试数学试卷参考答案及评分建议一、选择题(本大题共7小题,每小题4分,共28分)二、填空题(本大题共6小题,每小题4分,共24分) 8.(00),9.90A ∠=或AD BC =或AB CD ∥10.25786(1)8058.9x +=11.4.812.2313.15π4三、解答题(本大题Ⅰ—Ⅴ题,共10小题,共98分) Ⅰ.(本题满分12分,第14题6分,第15题6分)14.解:由239x x ++≥,得6x ≥ ··················································································· 2分由2593x x +>-,得45x >················································································· 4分 所以,不等式组的解集是6x ≥ ············································································· 6分15.解:原式1)1()1)(1(1112+-⋅-+-+=x x x x x ··································································· 2分 2211(1)(1)1(1)(1)x x x x x x -+--=-=+++ ······························································· 4分 22(1)x =+ ········································································································ 5分当1x =时,原式23== ··································································· 6分 Ⅱ.(本题满分28分,第16题7分,第17题10分,第18题11分)16.已知:①③(或①④,或②③,或②④) ············································································ 2分 证明:在ABE △和DCE △中,B CAEB DEC AB DC ∠=∠⎧⎪∠=∠⎨⎪=⎩,ABE DCE ∴△≌△ ······································································· 6分 AE DE ∴=,即AED △是等腰三角形 ··············································································· 7分17.解:设该厂原来每天生产x 顶帐篷 ················································································ 1分 据题意得:1500300120041.5x xx ⎛⎫-+= ⎪⎝⎭ ················································································· 5分 解这个方程得100x = ············································································································ 8分 经检验100x =是原分式方程的解 ························································································· 9分 答:该厂原来每天生产100顶帐篷. ·················································································· 10分 18.解:(1)················································································································································· 3分500400(16)300(15)600(3)y x x x x =+-+-+-4009100x =+ ······················································································································· 6分(2)30x - ≥且150x -≥即315x ≤≤,又y 随x 增大而增大 ································· 9分∴当3x =时,能使运这批挖掘机的总费用最省,运送方案是A 地的挖掘机运往甲地3台,运往乙地13台;B 地的挖掘机运往甲地12台,运往乙地0台 ········································ 11分 Ⅲ.(本题满分36分,第19题12分,第20题12分,第21题12分) 19.解:树形图如下:或列表如下:贝贝 甲 乙 丙 宝宝 甲 乙 丙 宝宝 贝贝 乙 丙 甲 丙 甲 宝宝 贝贝 乙宝宝 贝贝 宝宝贝贝甲丙乙共20种情况 ···························································································································· 6分(1)宝宝和贝贝同时入选的概率为212010= ······································································· 9分 (2)宝宝和贝贝至少有一人入选的概率为1472010= ························································· 12分 20.解:过点C 作CE AD ∥,交AB 于ECD AE ∥,CE AD ∥ ····································································································· 2分∴四边形AECD 是平行四边形 ······························································································ 4分 50AE CD ∴==m ,50EB AB AE =-=m ,30CEB DAB ∠=∠= ···························· 6分又60CBF ∠=,故30ECB ∠=,50CB EB ∴==m ···················································· 8分∴在Rt CFB △中,sin 50sin 6043CF CB CBF =∠=≈m ········································ 11分 答:河流的宽度CF 的值为43m . ······················································································ 12分 21.证明:(1)在BEC △中,G F ,分别是BE BC ,的中点GF EC ∴∥且12GF EC =·································································································· 3分 又H 是EC 的中点,12EH EC =,GF EH ∴∥且GF EH = ···································································································· 4分∴四边形EGFH 是平行四边形 ····························································································· 6分 (2)证明:G H ,分别是BE EC ,的中点GH BC ∴∥且12GH BC =································································································· 8分 又EF BC ⊥ ,且12EF BC =,EF GH ∴⊥,且EF GH = ····································· 10分∴平行四边形EGFH 是正方形.Ⅳ.(本题满分8分)22.他的推断是正确的. ······································································································· 1分 因为“两点确定一条直线”,设经过A B ,两点的直线解析式为y kx b =+ ······················· 2分由(12)(34)A B ,,,,得234k b k b +=⎧⎨+=⎩解得11k b =⎧⎨=⎩··································································· 4分∴经过A B ,两点的直线解析式为1y x =+ ········································································· 5分把1x =-代入1y x =+中,由116-+≠,可知点(16)C -,不在直线AB 上, 即A B C ,,三点不在同一直线上 ························································································· 7分 所以A B C ,,三点可以确定一个圆.·················································································· 8分 Ⅴ.(本题满分14分) 23.解:(1)作CH x ⊥轴,H 为垂足,1CH = ,半径2CB = ·························································· 1分60BCH ∠= ,120ACB ∴∠= ········································· 3分(2)1CH = ,半径2CB =HB ∴(1A , ················································ 5分(1B ··············································································· 6分 (3)由圆与抛物线的对称性可知抛物线的顶点P 的坐标为(13), ······································· 7分设抛物线解析式2(1)3y a x =-+ ·························································································· 8分把点(1B 代入上式,解得1a =- ·············································································· 9分 222y x x ∴=-++ ·············································································································· 10分 (4)假设存在点D 使线段OP 与CD 互相平分,则四边形OCPD 是平行四边形 ·········· 11分PC OD ∴∥且PC OD =.PC y ∥轴,∴点D 在y 轴上. ····················································································· 12分 又2PC = ,2OD ∴=,即(02)D ,. 又(02)D ,满足222y x x =-++,点D在抛物线上 ···············································································································13分D,使线段OP与CD互相平分.··································································14分所以存在(02)。
2008年普通高等学校招生全国统一考试参考答案

2008年普通高等学校招生全国统一考试参考答案一、(12分,每小题3分)1、D2、C3、C4、B二、(9分,每小题3分)5、C6、A7、D三、(9分,每小题3分)8、C 9、B 10、B四、(23分)11、(10分)(1)(5分)既然参加了英明勇武的军队,自然会使怯懦者具有坚强的意志。
译出大意给3分:“从”、“自”两处,每译对一处给1分。
(2)(5分)近日的事,祸端将要酿成,幸亏陛下英明果断,因而严惩了罪人。
译出大意给3分:“衅难”、宾语前置句式两处,每译对一处给1分。
12、(8分)(1)(3分)作者由丝丝小雨想到了用丝织成的网;再由丝网及暮春,想到要把春天网住,即留住春天。
这个想象、比喻非常生动、新奇。
答出由雨丝想到“网”的给1分,“网春”有留住春天意思的给1分,想象、比喻生动、新奇的给1分。
意思答对即可。
(2)(5分)表现了作者政治上失意后的寂寞以及感叹世态炎凉的情绪。
诗的一、二两句写了暮春和黄昏,小雨霏霏、落花狼藉,从这些凄冷的景色可看出作者政治上失意的寂寞愁绪;三、四两句写了诗人家门前几可罗雀,他只得在归鸟的鸣叫声中,关上了自己的家门,从中可看出诗人对世态冷暖的感叹。
答出这首诗表现了什么样情绪的,给2分,没能答出“政治上失意”的,最多给1分;能从一、二两句的分析中看出作者政治上失意的,从三、四两句的分析中看出诗人对世态炎凉的感叹的,经3分。
意思答对即可。
13、(5分)(1)臂非加长也声非加疾也非利足也非能水也君子生非异也(2)故不为苟得也故患有所不辟也未云何龙不霁何虹高低冥迷每答对一空给1分,有错别字该空不给分。
五、(22分)14、(4分)①作者独自住在阴森凄苦的大院里;②当时正是“万家墨面没蒿菜”的时代,北京城一片黑暗。
每答对一点给2分。
意思答对即可。
15、(4分)(1)(2分)①孤独的脚步声表明作者一步步走近住所;②暗示了环境的幽深。
(2)(2分)①表明在新的生活环境里,马缨花无论何时都充满生机;②就像作者喜悦幸福的心情。
2008年普通高等学校招生全国统一考试全国卷i含答案

2008年普通高等学校招生全国统一考试(全国卷Ⅰ)语文本试卷分第Ⅰ卷(选择题)和第Ⅱ卷(非选择题)两部分。
第Ⅰ卷1至4页,第Ⅱ卷5至 9页。
考试结束后,将本试卷和答题卡一并交回。
第Ⅰ卷注意事项:1.答题前,考生在答题卡上务必用直径0.5毫米黑色签字笔将自己的姓名、准考证号填写清楚,并贴好条形码。
请认真核准条形码的准考证号、姓名和科目。
2.每小题选出答案后,用2B铅笔把答题卡上对应题目的答案标号涂黑,如需改动,用橡皮擦干净后,再选涂其他答案标号,在试题卷上作答无效.........。
3.本试卷共10小题,每小题3分,共30分。
在每小题给出的四个选项中,只有一项符合题目要求。
一、(12分,每小题3分)1.下列词语中加点的字,读音全都正确的一组是A.刍.议(chú)条分缕.析(lǚ) 圈.养(quān) 愀.然不乐(qiǎo) B.倏.忽(shū) 越俎代庖.(páo) 牛虻.(máng ) 自惭形秽.(huì) C.靛.蓝(diàn)毁家纾.难(shū)干涸.(hé)白头偕.老(xié)D.手帕.(pà)相互龃龉.(yǔ)麾.下(huī)探本溯.源(shuò)2.下列各项中,加点的成语使用不恰当的一项是A.土耳其举重选手穆特鲁身高只有1.50米,多次参加世界男子举重56公斤级比赛,拿金牌如探囊取物....,人送绰号“举重神童”。
B.冬天老年人要增加营养,也要适当运动,在户外锻炼时一定要量入为出....,以步行为宜,时间最好选在傍晚,还要注意保暖,防止着凉。
C.中国茶艺与日本茶道各有特点,但异曲同工....,都强调“和”的精神。
中日两国青少年也应以和为贵,为中日睦邻友好多作贡献。
D.北京周边的旅游胜地,笔者去过不少。
但六月中下旬的绿树繁花中仍有冰挂高悬在危崖上,这一出人意表....的奇景却是第一次见到。
3.下列各句中,没有语病的一句是A.葛振华大学毕业后回农村当起了村支书,他积极寻找发展本村经济的确切入点,考虑问题与众不同,给村里带来一股清新的气息。
2008年普通高等学校招生全国统一考试数学卷(全国Ⅱ.理)含详解

2008年普通高等学校招生全国统一考试理科数学(必修+选修Ⅱ)本试卷分第Ⅰ卷(选择题)和第Ⅱ卷(非选择题)两部分.第Ⅰ卷1至2页.第Ⅱ卷3至10页.考试结束后,将本试卷和答题卡一并交回.第Ⅰ卷注意事项:1.答第Ⅰ卷前,考生务必将自己的姓名、准考证号、考试科目涂写在答题卡上.2.每小题选出答案后,用铅笔把答题卡上对应题目的答案标号涂黑.如需改动,用橡皮擦干净后,再选涂其他答案标号.不能答在试题卷上.3.本卷共12小题,每小题5分,共60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.参考公式:如果事件A B ,互斥,那么 球的表面积公式()()()P A B P A P B +=+24πS R =如果事件A B ,相互独立,那么 其中R 表示球的半径()()()P A B P A P B = 球的体积公式如果事件A 在一次试验中发生的概率是p ,那么 34π3V R =n 次独立重复试验中事件A 恰好发生k 次的概率 其中R 表示球的半径()(1)(012)k kn k k n P k C p p k n -=-= ,,,,一、选择题1.设集合{|32}M m m =∈-<<Z ,{|13}N n n M N =∈-=Z 则,≤≤( )A .{}01,B .{}101-,,C .{}012,,D .{}1012-,,, 2.设a b ∈R ,且0b ≠,若复数3()a bi +是实数,则( ) A .223b a = B .223a b =C .229b a =D .229a b =3.函数1()f x x x=-的图像关于( )A .y 轴对称B . 直线x y -=对称C . 坐标原点对称D . 直线x y =对称4.若13(1)ln 2ln ln x e a x b x c x -∈===,,,,,则( ) A .a <b <cB .c <a <bC . b <a <cD . b <c <a5.设变量x y ,满足约束条件:222y x x y x ⎧⎪+⎨⎪-⎩,,.≥≤≥,则y x z 3-=的最小值( )A .2-B .4-C .6-D .8-6.从20名男同学,10名女同学中任选3名参加体能测试,则选到的3名同学中既有男同学又有女同学的概率为( ) A .929B .1029C .1929D .20297.64(1(1-的展开式中x 的系数是( )A .4-B .3-C .3D .48.若动直线x a =与函数()sin f x x =和()cos g x x =的图像分别交于M N ,两点,则MN 的最大值为( )A .1BCD .29.设1a >,则双曲线22221(1)x y a a -=+的离心率e 的取值范围是( ) A. B.C .(25),D.(210.已知正四棱锥S ABCD -的侧棱长与底面边长都相等,E 是SB 的中点,则AE SD ,所成的角的余弦值为( ) A .13B.3C.3D .2311.等腰三角形两腰所在直线的方程分别为20x y +-=与740x y --=,原点在等腰三角形的底边上,则底边所在直线的斜率为( ) A .3B .2C .13-D .12-12.已知球的半径为2,相互垂直的两个平面分别截球面得两个圆.若两圆的公共弦长为2,则两圆的圆心距等于( ) A .1B .2C .3D .22008年普通高等学校招生全国统一考试理科数学(必修+选修Ⅱ)第Ⅱ卷二、填空题:本大题共4小题,每小题5分,共20分.把答案填在题中横线上. 13.设向量(12)(23)==,,,a b ,若向量λ+a b 与向量(47)=--,c 共线,则=λ . 14.设曲线axy e =在点(01),处的切线与直线210x y ++=垂直,则a = . 15.已知F 是抛物线24C y x =:的焦点,过F 且斜率为1的直线交C 于A B ,两点.设FA FB >,则FA 与FB 的比值等于 .16.平面内的一个四边形为平行四边形的充要条件有多个,如两组对边分别平行,类似地,写出空间中的一个四棱柱为平行六面体的两个充要条件:充要条件① ; 充要条件② . (写出你认为正确的两个充要条件)三、解答题:本大题共6小题,共70分.解答应写出文字说明,证明过程或演算步骤. 17.(本小题满分10分) 在ABC △中,5cos 13B =-,4cos 5C =. (Ⅰ)求sin A 的值;(Ⅱ)设ABC △的面积332ABC S =△,求BC 的长. 18.(本小题满分12分)购买某种保险,每个投保人每年度向保险公司交纳保费a 元,若投保人在购买保险的一年度内出险,则可以获得10 000元的赔偿金.假定在一年度内有10 000人购买了这种保险,且各投保人是否出险相互独立.已知保险公司在一年度内至少支付赔偿金10 000元的概率为41010.999-.(Ⅰ)求一投保人在一年度内出险的概率p ;(Ⅱ)设保险公司开办该项险种业务除赔偿金外的成本为50 000元,为保证盈利的期望不小于0,求每位投保人应交纳的最低保费(单位:元).19.(本小题满分12分)如图,正四棱柱1111ABCD A B C D -中,124AA AB ==,点E 在1CC 上且EC E C 31=.(Ⅰ)证明:1AC ⊥平面BED ; (Ⅱ)求二面角1A DE B --的大小.20.(本小题满分12分)设数列{}n a 的前n 项和为n S .已知1a a =,13nn n a S +=+,*n ∈N .(Ⅰ)设3nn n b S =-,求数列{}n b 的通项公式;(Ⅱ)若1n n a a +≥,*n ∈N ,求a 的取值范围.21.(本小题满分12分)设椭圆中心在坐标原点,(20)(01)A B ,,,是它的两个顶点,直线)0(>=k kx y 与AB 相交于点D ,与椭圆相交于E 、F 两点.(Ⅰ)若6ED DF =,求k 的值;(Ⅱ)求四边形AEBF 面积的最大值. 22.(本小题满分12分) 设函数sin ()2cos xf x x=+.(Ⅰ)求()f x 的单调区间;(Ⅱ)如果对任何0x ≥,都有()f x ax ≤,求a 的取值范围.AB CD EA 1B 1C 1D 12008年普通高等学校招生全国统一考试 理科数学试题(必修+选修Ⅱ)参考答案和评分参考评分说明:1.本解答给出了一种或几种解法供参考,如果考生的解法与本解答不同,可根据试题的主要 考查内容比照评分参考制订相应的评分细则.2.对计算题,当考生的解答在某一步出现错误时,如果后继部分的解答未改变该题的内容和 难度,可视影响的程度决定后继部分的给分,但不得超过该部分正确解答应得分数的一半;如果后继部分的解答有较严重的错误,就不再给分.3.解答右端所注分数,表示考生正确做到这一步应得的累加分数. 4.只给整数分数.选择题不给中间分.一、选择题1.B 2.A 3.C 4.C 5.D 6.D 7.B 8.B 9.B 10.C 11.A 12.C 二、填空题13.2 14.2 5.3+16.两组相对侧面分别平行;一组相对侧面平行且全等;对角线交于一点;底面是平行四边形.注:上面给出了四个充要条件.如果考生写出其他正确答案,同样给分.1.设集合{|32}M m m =∈-<<Z ,{|13}N n n M N =∈-=Z 则,≤≤( )A .{}01,B .{}101-,,C .{}012,,D .{}1012-,,, 【答案】B【解析】{}1,0,1,2--=M ,{}3,2,1,0,1-=N ,∴{}1,0,1-=N M 【高考考点】集合的运算,整数集的符号识别2.设a b ∈R ,且0b ≠,若复数3()a bi +是实数,则( ) A .223b a = B .223a b =C .229b a =D .229a b =【答案】A【解析】i b b a ab a i b ab bi a a bi a )3()3(33)(322332233-+-=--+=+,因是实数且 0b ≠,所以2232303a b b b a =⇒=- 【高考考点】复数的基本运算3.函数1()f x x x=-的图像关于( ) A .y 轴对称 B . 直线x y -=对称 C . 坐标原点对称 D . 直线x y =对称【答案】C 【解析】1()f x x x=-是奇函数,所以图象关于原点对称 【高考考点】函数奇偶性的性质4.若13(1)ln 2ln ln x e a x b x c x -∈===,,,,,则( ) A .a <b <cB .c <a <bC . b <a <cD . b <c <a【答案】C【解析】由0ln 111<<-⇒<<-x x e ,令x t ln =且取21-=t 知b <a <c 5.设变量x y ,满足约束条件:222y x x y x ⎧⎪+⎨⎪-⎩,,.≥≤≥,则y x z 3-=的最小值( )A .2-B .4-C .6-D .8- 【答案】D【解析】如图作出可行域,知可行域的顶点是A (-2,2)、B(32,32)及C(-2,-2)于是8)(m in -=A z6.从20名男同学,10名女同学中任选3名参加体能测试,则选到的3名同学中既有男同学又有女同学的概率为( ) A .929B .1029C .1929D .2029【答案】D【解析】2920330110220210120=+=C C C C C P 7.64(1(1-的展开式中x 的系数是( )A .4-B .3-C .3D .4【答案】B【解析】324156141604262406-=-+=-+C C C C C C 【易错提醒】容易漏掉1416C C 项或该项的负号8.若动直线x a =与函数()sin f x x =和()cos g x x =的图像分别交于M N ,两点,则MN 的最大值为( )A .1B CD .2【答案】B【解析】在同一坐标系中作出x x f sin )(1=及x x g cos )(1=在]2,0[π的图象,由图象知,当43π=x ,即43π=a 时,得221=y ,222-=y ,∴221=-=y y MN【高考考点】三角函数的图象,两点间的距离【备考提示】函数图象问题是一个常考常新的问题9.设1a >,则双曲线22221(1)x y a a -=+的离心率e 的取值范围是( )A .B .C .(25),D .(2【答案】B【解析】222222)11(1)1()(a a a a a c e ++=++==,因为a 1是减函数,所以当1a >时 110<<a,所以522<<e ,即52<<e 【高考考点】解析几何与函数的交汇点 10.已知正四棱锥S ABCD -的侧棱长与底面边长都相等,E 是SB 的中点,则AE SD ,所成的角的余弦值为( )A .13B .3C D .23【答案】C【解析】连接AC 、BD 交于O ,连接OE ,因OE ∥SD.所以∠AEO 为所求。
乌鲁木齐市2008年高中招生统一考试语文试卷

乌鲁木齐市2008年高中招生统一考试语文试卷一、(本大题共7小题,共30分,第6题7分,第7题8分,其余每题3分)1.下列词语中加点的字,注音全都正确的一项是()A. 塑料(s)允许(yn)翘首(qio)长吁短叹(y)B.按捺(n)刹那(ch)忏悔(qin)叱咤风云(zh)C. 拂晓(f)湖畔(pn)匀称(chn)锋芒毕露(l)D. 模样(m)惬意(qi)箴言(zhn)擎天撼地(qng)2.下列词语中没有错别字的一项是()A.稀罕筹划不屈不挠中流抵柱B.松弛制裁张皇失措融会贯通C.造型苍桑获益匪浅提纲挈领D.绯红蓬蒿一泄千里断章取义3.下列句子中加点的词语使用恰当的一项是()A.北京奥运会主会场“鸟巢”和别的建筑不同,“东倒西歪”的柱子结构扑朔迷离,对焊接的要求很高,技术难度很大。
B.近日,中国新疆国际民族舞蹈节在首府举行,来自国内外的参演艺术家们玲珑剔透的服饰、优美动人的舞姿,赢得观众的阵阵赞叹。
C.现在,上网交流越来越成为人们较为喜欢的一种交际方式,但随之而来的不规范用字却比比皆是,给人们的交流带来不和谐音。
D.今年起,端午节被国家确定为法定假日,一时间各种文化主题活动欣欣向荣,人们以此来表达对我国这一传统节日的庆贺。
4.填入下面文字中横线上的句子,与上下文衔接最恰当的一项是()天地有大美,于简单处得;人生有大疲惫,在复杂处藏。
人,_______;_______。
这反映处的现实问题是:更多的人,________,__________。
要活出简单不容易一简单就快乐,但快乐的人寥寥无几一复杂就痛苦,可痛苦的人却熙熙攘攘要活出复杂来却很简单A.B.C.D.5.与下列课文有关的内容,搭配不正确的一项是()A.《小石潭记》——柳宗元——《柳河东集》——北宋B.《香菱学诗》——曹雪芹——《红楼梦》——清代C.《雷电颂》——郭沫若——《屈原》——现代D.《热爱生命》——杰克·伦敦——《热爱生命》——美国6.请根据提示写出空缺的句子。
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新疆乌鲁木齐市2008年高中招生统一考试数学试卷(问卷)注意事项:1.本卷共三个大题,23个小题,总分150分,考试时间120分钟;2.本试卷共8页,由两部分组成,其中问卷4页,答卷4页.考生要先在答卷密封区内规定位置认真填写考点、考场号、学校、姓名、准考证号,并在卷头指定位置上填写座位号; 3.所有答案必须用黑色或蓝色钢笔、中性笔(画图可用铅笔)写在答卷上,写在问卷上或另加页均无效.答题时请对准题号,把答案写在答卷的规定位置上; 4.答题时允许使用科学计算器.一、选择题(本大题共7小题,每小题4分,共28分)每题所给的四个选项中只有一项是符合题目要求的,请将所选项的代号字母填在答卷的相应位置处. 1. )A. BC.2- D22.反比例函数6y x=-的图象位于( )A .第一、三象限B .第二、四象限C .第二、三象限D .第一、二象限 3.下列运算正确的是( ) A .33--=B .1133-⎛⎫=- ⎪⎝⎭C3=±D3=-4.一名射击运动员连续打靶8次,命中的环数如图1所示, 这组数据的众数与中位数分别为( ) A .9与8 B .8与9C .8与8.5D .8.5与95.某等腰三角形的两条边长分别为3cm 和6cm , 则它的周长为( ) A .9cmB .12cmC .15cmD .12cm 或15cm6.一次函数y kx b =+(k b ,是常数,0k ≠)的图象如图2所示, 则不等式0kx b +>的解集是( ) A .2x >- B .0x > C .2x <-D .0x <7.若0a >且2x a =,3y a =,则x y a -的值为( )A .1-B .1C .23D .32图1图2xb +二、填空题(本大题共6小题,每小题4分,共24分)把答案直接填在答卷的相应位置处. 8.将点(12),向左平移1个单位,再向下平移2个单位后得到对应点的坐标是 . 9.如图3,在四边形A B C D 中,A D B C ∥,90D ∠= ,若再添加一个条件,就能推出四边形A B C D 是矩形,你所添加的条件是 .(写出一种情况即可) 10.乌鲁木齐农牧区校舍改造工程初见成效,农牧区最漂亮的房子是学校.2005年市政府对农牧区校舍改造的投入资金是5786万元,2007年校舍改造的投入资金是8058.9万元,若设这两年投入农牧区校舍改造资金的年平均增长率为x ,则根据题意可列方程为 .11.我们知道利用相似三角形可以计算不能直接测量的物体的高度,阳阳的身高是1.6m ,他在阳光下的影长是1.2m ,在同一时刻测得某棵树的影长为3.6m ,则这棵树的高度约为 m . 12.如图4所示的半圆中,A D 是直径,且3A D =,2A C =, 则sin B 的值是 .13.如图5所示是一个圆锥在某平面上的正投影,则该圆锥的侧 面积是 .三、解答题(本大题Ⅰ—Ⅴ题,共10小题,共98分)解答时应在答卷的相应位置处写出文字说明、证明过程或演算过程.Ⅰ.(本题满分12分,第14题6分,第15题6分) 14.解不等式组2392593x x x x++⎧⎨+>-⎩≥15.先化简,再求值:221111121x x x x x +-÷+--+,其中1x =-.Ⅱ.(本题满分28分,第16题7分,第17题10分,第18题11分) 16.在一次数学课上,王老师在黑板上画出图6,并写下了四个等式:①A B D C =,②B E C E =,③B C ∠=∠,④BAE C D E ∠=∠.要求同学从这四个等式中选出两个作为条件,推出AED △是等腰三角形.请你试着完成王老师提出的要求,并说明理由.(写出一种即可)已知:求证:AED △是等腰三角形. 证明:DC图3CB DA图4图5C17.2008年5月12日14时28分在我国四川省汶川地区发生了里氏8.0级强烈地震,灾情牵动全国人民的心,“一方有难、八方支援”.某厂计划加工1500顶帐篷支援灾区人民,在加工了300顶帐篷后,由于救灾需要工作效率提高到原来的1.5倍,结果提前4天完成了任务.求原来每天加工多少顶帐篷?18.某公司在A B ,两地分别库存挖掘机16台和12台,现在运往甲、乙两地支援建设,其中甲地需要15台,乙地需要13台.从A 地运一台到甲、乙两地的费用分别是500元和400元;从B 地运一台到甲、乙两地的费用分别是300元和600元.设从A 地运往甲地x 台挖掘机,运这批挖掘机的总费用为y 元.(1)请填写下表,并写出y 与x 之间的函数关系式;(2)公司应设计怎样的方案,能使运这批挖掘机的总费用最省?Ⅲ.(本题满分36分,第19题12分,第20题12分,第21题12分)19.宝宝和贝贝是一对双胞胎,他们参加奥运志愿者选拔并与甲、乙、丙三人都进入了前5名.现从这5名入选者中确定2名作为志愿者.试用画树形图或列表的方法求出: (1)宝宝和贝贝同时入选的概率;(2)宝宝和贝贝至少有一人入选的概率.20.如图7,河流两岸a b ,互相平行,C D ,是河岸a 上间隔50m 的两个电线杆.某人在河岸b 上的A 处测得30DAB ∠=,然后沿河岸走了100m 到达B 处,测得60CBF ∠=,求河流的宽度C F 的值(结果精确到个位).BED CFab A图721.如图8,在四边形A B C D 中,点E 是线段A D 上的任意一点(E 与A D ,不重合),G F H ,,分别是B E B C C E ,,的中点.(1)证明四边形E G F H 是平行四边形; (2)在(1)的条件下,若EF BC ⊥,且12E F B C =,证明平行四边形E G F H 是正方形.Ⅳ(本题满分8分) 22.先阅读,再解答:我们在判断点(720)-,是否在直线26y x =+上时,常用的方法:把7x =-代入26y x =+中,由2(7)6820⨯-+=-≠,判断出点(720)-,不在直线26y x =+上.小明由此方法并根据“两点确定一条直线”,推断出点(12)(34)(16)A B C -,,,,,三点可以确定一个圆.你认为他的推断正确吗?请你利用上述方法说明理由.Ⅴ(本题满分14分)23.如图9,在平面直角坐标系中,以点(11)C ,为圆心,2为半径作圆,交x 轴于A B ,两点,开口向下的抛物线经过点A B ,,且其顶点P 在C 上.(1)求A C B ∠的大小;(2)写出A B ,两点的坐标; (3)试确定此抛物线的解析式;(4)在该抛物线上是否存在一点D ,使线段O P 与C D 互相平分?若存在,求出点D 的坐标;若不存在,请说明理由.BG A EF HDC图8新疆乌鲁木齐市2008年高中招生统一考试数学试卷参考答案及评分建议二、填空题(本大题共6小题,每小题4分,共24分) 8.(00),9.90A ∠= 或A D B C =或AB C D ∥10.25786(1)8058.9x +=11.4.812.2313.15π4三、解答题(本大题Ⅰ—Ⅴ题,共10小题,共98分)Ⅰ.(本题满分12分,第14题6分,第15题6分) 14.解:由239x x ++≥,得6x ≥············································································ 2分由2593x x +>-,得45x >·········································································· 4分所以,不等式组的解集是6x ≥ ······································································ 6分15.解:原式211(1)1(1)(1)1x x x x x -=-++-+······························································· 2分 2211(1)(1)1(1)(1)x x x x x x -+--=-=+++ ························································· 4分22(1)x =+ ······························································································· 5分当1x =时,原式223==····························································· 6分Ⅱ.(本题满分28分,第16题7分,第17题10分,第18题11分)16.已知:①③(或①④,或②③,或②④)······························································· 2分 证明:在A B E △和D C E △中,B C AEB D EC AB D C ∠=∠⎧⎪∠=∠⎨⎪=⎩,ABE D C E ∴△≌△ ································································· 6分 AE D E ∴=,即AED △是等腰三角形········································································ 7分17.解:设该厂原来每天生产x 顶帐篷 ········································································· 1分 据题意得:1500300120041.5xxx ⎛⎫-+= ⎪⎝⎭ ·········································································· 5分 解这个方程得100x =··································································································· 8分经检验100x =是原分式方程的解 ················································································· 9分 答:该厂原来每天生产100顶帐篷.············································································10分 18····································································································································· 3分500400(16)300(15)600(3)y x x x x =+-+-+-4009100x =+············································································································· 6分(2)30x - ≥且150x -≥即315x ≤≤,又y 随x 增大而增大 ····························· 9分∴当3x =时,能使运这批挖掘机的总费用最省,运送方案是A 地的挖掘机运往甲地3台,运往乙地13台;B 地的挖掘机运往甲地12台,运往乙地0台····································· 11分Ⅲ.(本题满分36分,第19题12分,第20题12分,第21题12分) 19.解:树形图如下:或列表如下:(1)宝宝和贝贝同时入选的概率为212010= ································································ 9分(2)宝宝和贝贝至少有一人入选的概率为1472010= ·····················································12分20.解:过点C 作C E A D ∥,交A B 于EC D A E ∥,C E A D ∥ ···························································································· 2分∴四边形A E C D 是平行四边形 ····················································································· 4分 50A E C D ∴==m ,50E B A B A E =-=m ,30CEB DAB ∠=∠= ························· 6分又60CBF ∠= ,故30ECB ∠=,50C B E B ∴==m ··············································· 8分贝贝 甲 乙 丙 宝宝 甲 乙 丙 宝宝 贝贝 乙 丙 甲 丙 甲 宝宝 贝贝 乙宝宝 贝贝 宝宝贝贝甲丙乙∴在R t C FB △中,sin 50sin 6043CF CB CBF =∠=≈m ····································· 11分 答:河流的宽度C F 的值为43m . ···············································································12分21.证明:(1)在B E C △中,G F ,分别是B E B C ,的中点G F E C ∴∥且12G F E C =·························································································· 3分 又H 是E C 的中点,12E H E C =,G F EH ∴∥且G F E H = ··························································································· 4分∴四边形E G F H 是平行四边形····················································································· 6分 (2)证明:G H ,分别是B E E C ,的中点G H BC ∴∥且12G H B C =························································································ 8分 又E F B C ⊥ ,且12E F B C =,E F G H ∴⊥,且E F G H = ··································10分 ∴平行四边形E G F H 是正方形.Ⅳ.(本题满分8分)22.他的推断是正确的. ······························································································ 1分 因为“两点确定一条直线”,设经过A B ,两点的直线解析式为y kx b =+ ···················· 2分由(12)(34)A B ,,,,得234k b k b +=⎧⎨+=⎩解得11k b =⎧⎨=⎩ ····························································· 4分∴经过A B ,两点的直线解析式为1y x =+ ·································································· 5分 把1x =-代入1y x =+中,由116-+≠,可知点(16)C -,不在直线A B 上,即A B C ,,三点不在同一直线上 ················································································· 7分 所以A B C ,,三点可以确定一个圆. ·········································································· 8分 Ⅴ.(本题满分14分) 23.解:(1)作C H x ⊥轴,H 为垂足, 1C H = ,半径2C B = ······················································1分 60BCH ∠=,120ACB ∴∠=······································3分 (2)1C H = ,半径2C B =H B ∴=(10)A -, ············································5分(1B +··········································································6分(3)由圆与抛物线的对称性可知抛物线的顶点P 的坐标为(13), ··································· 7分 设抛物线解析式2(1)3y a x =-+ ·················································································· 8分把点(10)B +代入上式,解得1a =- ······································································· 9分222y x x ∴=-++······································································································10分 (4)假设存在点D 使线段O P 与C D 互相平分,则四边形O C P D 是平行四边形 ········· 11分P C O D ∴∥且P C O D =.PC y ∥轴,∴点D 在y 轴上. ··············································································12分 又2P C = ,2O D ∴=,即(02)D ,.又(02)D ,满足222y x x =-++,∴点D 在抛物线上·······································································································13分 所以存在(02)D ,使线段O P 与C D 互相平分.·····························································14分。