2015届湖北省黄冈市黄冈中学高三6月适应性考试语文试卷.doc
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2015年湖北省黄冈市黄冈中学高三6月适应性考试
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2015届湖北省黄冈中学高三6月适应性考试
2015届湖北黄冈中学高三6月适应性考试
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2015届湖北省黄冈市黄冈中学高三6月适应性考试文科数学试卷数学（文史类）试题参考答案一、选择题：a卷1c 2a 3d 4c 5c 6b 7a 8c 9b 10db卷1b 2d 3c 4d 5a 6c 7b 8d 9c 10a二、填空题：11 12 13 14 15 16（）或；（） 17（）；（）三、解答题：18. 解析：（）在中的人数为，所占的频率是，所以班级总 人数为（2分）频率组距0 50 60 70 80 90 100 分数0.040.0320.0240.0160.008 （6分）（）中位数在中，设为，则 （8分） 解得，即中位数为（9分） 平均数为（11分）（12分）19. 解析：由三视图可知，在直观图中，面，且.（2分） （）面，面 （3分） 又且 （4分） 面（5分） 因为面，所以，故是直角三角形.（6分） （）连结，因为面，所以；因为，所以 .（8分）在直角三角形中，；在直角三角形中， ，因为在直角三角形中，所以（10分） 又因，且余弦函数在上单调递减，故（12分）20. 解析：（）依题意为等差数列，（1分）由得 ，即，（3分） 公差， 故即（5分）（） 得（9分） 由于是递增的，当时； 当时 所以存在正整数，使得，的取值集合为（13分）21.解析：（）时，（2分） 时， 即 （4分）（）法一：当时，即在上单调递增；当时， 时，单调递增； 时，单调递减； 时，单调递增.（8分）对于，若，则在上递增，在上递减，在上递增. 此时在处取得极大值，在处取得极小值. 显然，由得，成立. 时，是在区间上的最小值.（11分）若，在上递增，在上递减，在上递增. 此时在处取得极小值. 在上没有最小值. 综上，的取值范围是.（14分）法二：， 若，则， 时，单调递增； 时，单调递减； 时，单调递增. 此时在处取得极大值，在处取得极小值. 显然，由得，成立. 时，是在区间上的最小值.（8分） 若，当时， 此时单调递增； 当时，由上可知在上递增，在上递减，在上递增. 在处取得极小值. 因为，所以是在区间上的最小值.（11分） 若，在上递增，在上递减，在上递增. 此时在处取得极小值. 在上没有最小值. 综上，的取值范围是.（14分）22.解析：（）由得，又由得. 故椭圆的方程是（4分） （）分析可知直线的斜率不为，设，代入得 ， 设，则（6分） 由得 即 即 即 故或（舍）.（10分） 的中点，由得 即 ，或 经检验满足，从而直线的方程为或（14分）2015届湖北省黄冈市黄冈中学高三6月适应性考试理科数学试卷黄冈中学数学（理工类）试题参考答案a卷1b 2a 3d 4b 5d 6c 7d 8b 9c 10c11 1260 13 14 155 1617.解：（1） -2分 的最小正周期为， -4分 -6分 （2） 由正弦定理可得： -9分 . - -12分18.解：（1）由题意得； -4分（2）由题意可知可取的值为1，2，3，4，5，它们的概率为：， -8分故其分布列为12345-10分，当时，其概率最大. -12分19. 解：（）取中点，连接， d 又，所以.因为，所以,四边形是平行四边形，所以.因为平面，平面，所以平面. -4分（）因为平面平面，平面平面=， 且，所以平面，所以，因为，所以平面.如图，以为原点，建立空间直角坐标系.则，是平面的一个法向量.设平面的法向量，则，即令，则，所以, 所以，故二面角的正弦值为. -10分（）因为，所以与不垂直,所以不存在点满足平面. -12分20. 解析：（）依题意为等差数列，由得 ，即，公差，故即. -4分（） 得. -9分 由于是递增的，当时； 当时.所以存在正整数，使得，的取值集合为.-12分21. 解：（1）由条件可知， 故所求椭圆方程为.-4分（2）设过点的直线方程为：.由可得： 因为点在椭圆内，所以直线和椭圆都相交，即恒成立.设点，则. -6分因为直线的方程为：，直线的方程为：， 令，可得，所以点的坐标 . -8分l直线的斜率为，所以为定值. -12分22.解：（1）由题知在上为增函数，故在上恒成立，故在上恒成立，即在上恒成立，而，. -4分（2）当时， -5分 当时，即在上单调递增； 当且时，即在上单调递减；又， 故当时，在上单调递增，此时；当时，在上单调递减，此时；当时，在上单调递减，在单调递增，故此时；-8分综上有：当时， ；当时， ；当时， . -9分（3）由（2）知，当时，在上单调递减，在上单调递增，故，即，- -10分故当时，总有成立，取时有， -12分故. -14分 经检验满足，从而直线的方程为或（14分）2015届湖北省黄冈市黄冈中学高三6月适应性考试理科综合能力试题考试时间：2015年6月1日9：0011：30一、选择题：本题共13小题，每小题6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下列过程未体现生物膜信息传递功能的是（ ） a核糖体上蛋白质的合成 b传出神经细胞兴奋引起肌肉收缩c胰岛素调节靶细胞对葡萄糖的摄取 d抗原刺激引发记忆细胞增殖分化2以下说法正确的是（ ） a糖类是细胞代谢中的直接能源物质 b植物光合作用的色素一定存在于叶片细胞中 c细胞中构成蛋白质、核酸、淀粉等生物大分子的单体在排列顺序上都具有多样性 d受精作用的过程体现了生物膜的识别功能及具有一定流动性的特点3下列观点符合现代生物进化理论的是（ ）a自然选择决定了生物变异和进化的方向b人工诱变实现了基因的定向变异c在没有自然选择的情况下，种群的基因频率仍然可能发生改变d“超级细菌”的产生说明抗生素的滥用会促使细菌发生基因突变4埃博拉出血热（ebhf）是由埃博拉病毒（ebv）（一种丝状单链rna病毒）引起的病毒性出血热，ebv与宿主细胞结合后，将病毒的核酸-蛋白复合体释放至细胞质，通过以下途径进行增殖。下列推断正确的是（） -rnamrna蛋白质-rna结构蛋白依赖rna的rna聚合酶 依赖rna的 rna聚合酶子代ebv 依赖rna的rna聚合酶 翻译 组装a过程所需嘌呤比例与过程所需嘧啶比例相同b过程需要的氨基酸和trna，两者的种类、数量相同c直接将埃博拉病毒的rna注入人体细胞一定会引起ebhfd埃博拉病毒增殖过程需细胞提供四种脱氧核苷酸和atp5下列有关内环境和稳态的表述，正确的是（ ）a突触小泡（内有神经递质）存在于内环境中b人体局部组织活动增强时，组织液增加，淋巴增加c内环境中发生的丙酮酸氧化分解给细胞提供能量，有利于生命活动的进行d皮肤表皮细胞能从空气中直接吸收利用o2，并非必须从组织液中获取6黄瓜是雌雄同株异花传粉植物，用正常的黄瓜雌花验证生长素的作用，设计的做法是：将用于实验的雌花在开花前套上纸袋，然后分别作如下处理,1号花开花后给雌蕊柱头涂一定浓度的生长素并套袋，一段时间后移走纸袋；2号花开花后人工授粉并套袋，一段时间后移走纸袋。此设计的缺陷是（ ）a1号花未进行人工授粉 b缺乏自然传粉的雌花c2号花未涂生长素 d缺乏只作套袋处理的雌花7化学与人类生产、生活密切相关，下列有关说法不正确的是（ ）a血糖过低的患者可利用静脉注射葡萄糖溶液的方法迅速补充营养b用活性炭为糖浆脱色和用so2漂白纸浆的原理不同c装运乙醇的包装箱应贴的图标是d海水淡化的方法有蒸馏法、电渗析法等 8常温下，下列各组离子在指定溶液中能大量共存的是()aph1的溶液中：k、fe2、mno、sob c(h)/c(oh)1012的溶液中：nh、al3、no、clc c(fe3)0.1 moll1的溶液中：k、clo、so、scnd与铝反应生成氢气的溶液中：nh、k、cl、so9已知33as、35br位于同一周期。下列关系正确的是()a原子半径：asclp b热稳定性：hclash3hbrc酸性：h3aso4h2so4h3po4 d还原性：as3s2cl10栀子花具有浓郁的香味是是因为栀子酯，其结构简式如图，下列 说法正确的是（）a该栀子酯的分子式c10h11o2b栀子酯的一氯代物有六种c栀子酯可以发生加成、取代和消去反应d1mol栀子酯水解需要消耗2molnaoh11下列有关电解质溶液中粒子浓度关系正确的是（）aph=1的nahso4溶液：c（h+）=c（so42）+c（oh）b含有agcl和agi固体的悬浊液：c（ag+）c（c1）=c（i）c常温下，0.1moll-1的nh4cl ch3coonh4 nh4hso4溶液中：c（nh4+）大小顺序：d物质的量浓度之比为12的naclo、nahco3混合溶液中：c(hclo)c(clo)2c(hco)2c(h2co3)2c(co)12为提纯下列物质（括号中为杂质），所选除杂试剂和分离方法错误的是（）选项被提纯的物质（杂质）除杂试剂分离方法akno3（nacl）h2o重结晶b乙酸乙酯（乙酸）饱和na2co3溶液分液c溴苯（溴）h2o萃取d乙醇（水）生石灰蒸馏13现在污水治理越来越引起人们重视，可以通过膜电池除去废水中的乙酸钠和对氯苯酚（），其原理如图所示，下列说法正确的是（ ）ab为电池的正极，发生还原反应ba极的电极反应式为+ e=cl+c电流方向从b极沿导线经小灯泡流向a极d当外电路中有0.2mole转移时，通过质子交换膜的h+的个数为0.2na14密立根通过油滴实验测量了电子电荷。实验原理是让一个质量为m，带电量为的油滴处在二块平行极板之间，向上、向下作匀速运动，如图所示。通过测量油滴匀速上升、下降时的速度和该油滴的直径等物理量，计算油滴的带电量，从而测出电子电荷。下列关于密立根油滴实验的叙述中不正确的是：（ ）a平行极板一定要水平，通电时上极板接电源负极。b实验时要选择质量、电量适当小一些的油滴。c实验明确了电荷具有不连续性，即具有量子性。d实验证明了任何带电体所带电荷都是基本电荷的整数倍。1 2 3 4015某质点做加速度随时间周期性变化的变加速直线运动，加速度随时间变化关系如图所示，下列关于该质点的运动的叙述中正确的是：（ ）a质点可能在直线上作往复运动。b质点一定做一直向正方向的直线运动。c t=0.1s时，质点的速度最大。dt=0.2s时，质点的位移最大。16如图所示，质量为m倾角为的斜面体放在水平地面上，质量为m的物体a放在的斜面上时，恰好能匀速下滑。现用细线系住物体a，并平行于斜面向上绕过光滑的定滑轮，另一端系住质量也为m的物体b，让物体b以一定的初速度向下运动，在物体a、b运动过程中斜面体保持静止不动，下列叙述中正确的是：（ ）a物体a加速向上运动。b物体b处于超重状态。c地面对斜面体没有摩擦力作用。d地面对斜面体的摩擦力向左。17北京时间月30日21时52分，我国在西昌卫星发射中心用长征三号丙运载火箭成功将首颗新一代北斗导航卫星发射升空，经过6个小时左右飞行，卫星顺利进入地球静止轨道。已知地球半径为r，地面重力加速度为g，地球自转周期为t，则该卫星离地面的高度为：a b c d18已知真空中电荷量为q的静止点电荷，当选取离点电荷无穷远处的电势为零时，离点电荷距离为r处的电势为=kq/r（k为静电力常量）。如图所示，两电荷量为+q和-q的异种点电荷相距为d，现将一质子（电荷量为e）从两电荷连线上的a点沿以负电荷为圆心、半径为r的半圆形轨迹abc移到c点，在质子从a到c的过程中，系统电势能的变化情况为a增加 b减少c增加 d减少 19如图所示电路中，电源电动势为e内阻为r，当滑动变阻器r2滑动端向右滑动后，理想电流表a1、a2的示数变化量的绝对值分别为i1、i2，理想电压表示数变化量的绝对值为u。下列说法中正确的是a电压表v的示数减小b电流表a2的示数变小cu与i1比值一定小于电源内阻r du与i2比值一定小于电源内阻r20如图甲所示的电路中，理想变压器原、副线圈匝数比为10：1，a、v均为理想电表，r、l和d分别是光敏电阻（其阻值随光强增大而减小）、理想线圈和灯泡。原线圈接入如图乙所示的正弦交流电压u，下列说法正确的是a副线圈输出电压u的频率为5hz bt=0.01s时，副线圈输出电压u为c抽出l中的铁芯，d变亮d有光照射r时，a的示数变大，v的示数不变21如图所示，质量为m电阻为r的相同金属棒ab、cd与足够长的水平金属导轨垂直且接触良好，金属导轨电阻忽略不计，金属棒与导轨之间的动摩擦因数均为，金属棒与导轨间的最大静摩擦力等于滑动摩擦力，匀强磁场的方向竖直向下。开始时金属棒均静止，ab棒在恒力f作用下由静止开始向右运动，经过时间t， ab棒的达到稳定速度v，在这一过程中cd棒产生的焦耳热为q，则：() a回路中电流的方向是acdbabab棒克服安培力做的功为2qc安培力对cd棒不做功df做的功为三、非选择题：包括必考题和选考题两部分。第22题第32题为必考题，每个试题考生都必须作答。第33题第40题为选考题，考生根据要求作答。（一）必考题（共129分）22（6分）某小组的同学在探究性学习中，测定木块与长木板之间的动摩擦因数时，采用如图所示的装置，图中光电门1、2与水平长木板一起固定，光电门1、2的距离为x，固定在木块上的遮光条宽度为d，调整定滑轮高度，使拉木块的轻线水平，忽略线与滑轮的摩擦，用力电传感器测量线对木块的力。 （1）实验过程中，在砝码盘内放适当的砝码，测量遮光片经过光电门1、2时的挡光时间t1、t2，则木块运动的加速度为a= 。afo-bc图乙（2）通过力电传感器测出物块运动过程中所受的拉力，用光电门测出物块的加速度，改变砝码的个数，可读出多组数据，该同学作出了物块的加速度和所受拉力的关系图线如图乙所示，图线与横、纵轴交点坐标分别为c、-b，已知重力加速度为g，则木块与长木板间动摩擦因数= 则木块、力传感器和挡光板的总质量为m=_。砝码盘及砝码x光电门1光电门2力传感器d图甲esag1g2b23（9分）实验室的有一种灵敏电流计g，满偏刻度30格。某兴趣小组想要较精确地测出它的满偏电流ig和内阻rg，实验室中可供利用的器材有：待测灵敏电流计g1 、g2电流表a： (量程为1ma、内阻约为100) 定值电阻r1：（阻值为400）定值电阻r2：（阻值为600）电阻箱r：（09999.9，最小调节量0.1）滑动变阻器r3：（最大电阻2000，额定电流1.5a）直流电源：电动势1.5v，内阻不计；开关一个，导线若干。该小组设计了实验电路图如图，并连接好电路，并进行下列操作。（1）闭合开关，调节滑动变阻器，使电流表示数适当。（2）若灵敏电流计g2中的电流由b流向a，再调节电阻箱，使电阻箱r的阻值 （填增大或减小），直到g2中的电流为0。（3）读出电阻箱连入电路的电阻为1200，电流表的示数为0.6 ma，灵敏电流计g1的指针指在20格的刻度处，则灵敏电流计满偏电流ig= a和内阻rg= 。24（14分）如图所示，工厂利用倾角的皮带传输机，依次将轻放在皮带底端每包质量为m=50kg的货物从地面运送到高出水平地面的h=2.5m平台上，传输机的皮带以v=1m/s的速度顺时针转动且不打滑。已知货物与皮带间的动摩擦因数均为=。若最大静摩擦力等于滑动摩擦力，g取10m/s2。求（1）每包货物从地面运送到平台上所用的时间t。（2）皮带传输机由电动机带动，每包货物从地面运送到平台上电动机需要多做多少功。25（18分）一半径为r的圆筒的横截面如图所示，其圆心为o。筒内有垂直于纸面向里的匀强磁场，磁感应强度为b。圆筒下面有相距为d的平行金属板m、n， m、n板接在如图所示的电路中，电源内阻为r0,定值电阻阻值为r1。当滑动变阻器r连入电路的电阻为0。质量为m、电荷量为q的带正电粒子自m板边缘的p处由静止释放，经n板的小孔s沿半径so方向射入磁场中，粒子与圆筒发生两次碰撞后仍从s孔射出，设粒子与圆筒碰撞过程中没有动能损失，且电荷量保持不变，在不计重力的情况下，（1）求m、n间电场强度e的大小和电源电动势e0的大小；bsnmdpo0r0（2）保持m、n的距离不变，移动滑动变阻器的滑片，粒子仍从m板边缘的p处由静止释放，粒子进入圆筒与圆筒发生多次碰撞转一周后仍从s孔射出，求滑动变阻器连入电路的电阻r0应满足的关系。26（14分）铁及其化合物在生产和生活中有广泛的应用、高铁酸钠（na2feo4）是一种新型净水剂，工业上制备高铁酸钠的方法之一的反应原理为： fe(oh)3 + naclo + naoh na2feo4 + x + h2o, 则x的化学式 ，反应中被氧化的物质是 （写化学式）。、铁红颜料跟某些油料混合，可以制成防锈油漆。工业制硫酸产生的硫酸渣中主要含fe2o3、sio2、al2o3、mgo等，用硫酸渣制备铁红（fe2o3）的过程如下：酸溶已知：沉淀物fe（oh）3al（oh）3fe（oh）2mg（oh）2开始沉淀ph9.4完全沉淀ph12.4fes2是一种黄色难溶于水的固体。（1）酸溶过程中fe2o3与稀硫酸反应的化学方程式为 ；“滤渣a”主要成份的化学式为 。（2）还原过程中加入fes2的目的是将溶液中的fe3+还原为fe2+，而本身被氧化为h2so4，写出该反应的离子方程式： 。（3）为了确保铁红的质量和纯度，氧化过程中加naoh调节溶液的ph的范围是 ；如果加naoh调节溶液的ph=a，则滤液b中的c（fe3+）= （25时， kspfe(oh)3=41038）（4）滤液b中可以回收的物质有 。27（16分）二氧化碳的捕捉和利用是我国能源领域的一个重要战略方向。（1）co2的电子式是 ，所含化学键的类型是 。（2）工业上用co2和h2反应合成二甲醚。已知：co2(g)3h2(g)ch3oh(g) h2o(g) h149.1 kjmol12ch3oh(g)ch3och3(g)h2o(g) h224.5 kjmol1co2(g)h2(g) co(g)h2o(g) h3+ 41.2 kjmol1写出co2(g)加h2(g)转化为ch3och3(g)和h2o(g)的热化学方程式是 。一定条件下，上述合成二甲醚的的反应达到平衡状态后，若改变反应的某个条件，下列变化能说明平衡一定向正反应方向移动的是 。（填代号）a逆反应速率先增大后减小bh2的转化率增大cco2的体积百分含量减小d容器中c(h2)/ c(co2)的值减小在某压强下，合成二甲醚的反应在不同温度、不同投料比时，co2的转化率如下图所示。t1温度下，将6molco2和12molh2充入2l的密闭容器中，5min后反应达到平衡状态，则05min内的平均反应速率v(ch3och3)= ；ka、kb 、kc三者之间的大小关系为 。（3）已知常温下nh3.h2o的电离平衡常数k=1.7510-5，h2co3的电离平衡常数k1=4.410-7，k2=4.710-11。 常温下，用氨水吸收co2可得到nh4hco3溶液，nh4hco3溶液显 ；（填“酸性”、“中性”或“碱性”）；反应nh4+hco3-+h2onh3.h2o+h2co3的平衡常数k= 。 28（13分）亚硝酸钠（nano2）是一种常见的食品添加剂，使用时必须严格控制其用量，某兴趣小组进行下面实验探究，查阅资料知道：2no+na2o2=2nano22no2+na2o2=2nano3酸性kmno4溶液可将no2氧化为no3，mno4还原成mn2+产品制备与检验：用如图1装置制备nano2：（1）写出装置a烧瓶中发生反应的化学方程式并标出电子转移的方向和数目 。（2）b装置的作用是 。（3）有同学认为装置c中产物不仅有亚硝酸钠，还有碳酸钠和氢氧化钠，为制备纯净nano2应在b、c装置间增加一个装置，请在右框内画出增加的装置图2，并标明盛放的试剂（4）试设计实验检验装置c中nano2的存在（写出操作、现象和结论） 。含量的测定称取装置c中反应后的固体4.00g溶于水配成250ml溶液，取25.00ml溶液于锥形瓶中，用0.1000mol/l酸性kmno4溶液进行滴定，实验所得数据如下表所示：滴定次数1234kmno4溶液体积/ml20.6020.0220.0019.98（5）第一组实验数据出现异常，造成这种异常的原因可能是 （双项选择）。a酸式滴定管用蒸馏水洗净后未用标准液润洗 b锥形瓶洗净后未干燥c滴定结束仰视读数 d滴定结束俯视读数干物质量29（12分）如图所示为每10粒水稻种子在成熟过程中干物质和呼吸速率变化的示意图。请据图回答：（1）在开花第10d，水稻种子的胚合成atp的场所有_。（2）水稻种子呼吸速率最大的时间是_，此时水稻呼吸速率_（填“大于”“等于”或“小于”）光合速率。（3）从开花后第45d起，自由水含量的变化趋势是_；脱落酸含量的变化趋势是_。（4）水稻开花后一段时间，尤其是在10-20d，稻田需要定期排水，作用是_。30（8分）每年的7月9月为某品种苹果果实的成熟期。研究人员在此期间，每隔10天，采摘果树外围的果实测定其中内源激素的含量，结果见下图。请分析回答：7/29 8/8 8/18 8/28 9/7 9/17 9/27 日期（月/日）细胞分裂素脱落酸生长素赤霉素101400120010008006004002000果实内几种激素含量的变化激素含量（ng/gfw）（1）苹果果实体积增大主要取决于果肉细胞 的增加和细胞 的增大。（2）根据上述实验结果分析：在7月29日9月27日期间，果实内 含量下降，可导致成熟期果肉细胞的 减弱。在9月7日9月17日期间，果实内 和的含量增加，同时测得果实中花青素和可溶性糖的含量不断增多，果实的颜色和口味（成熟度）也会发生变化。由此推测上述激素含量的增加，可能促进了 生成，促进果实的成熟。（3）由上述实验结果可以得出，苹果果实的成熟是 的结果。31（7分）某山区坡地生态环境破坏严重，人们根据不同坡度，分别采取保护性耕作、经济林种植和封山育林对其进行了治理。（1）陡坡在封山育林后若干年内，经历了一年生草本、多年生草本和灌木三个阶段，其典型物种的种群密度变化如图所示。调查植物种群密度常用的方法是 。图中oa,物种密度上升，原因是在适宜条件下，物种的出生率 （填“大于”“等于”或“小于”）死亡率；bc,物种逐渐消失，物种密度逐渐降低到相对稳定，原因是物种能耐受 环境；c点后，在适宜气候条件下群落中最终占主导地位的植被类型将是 。（2）该坡地经治理后，既扩大了植被覆盖面积、增加了对大气中 的固定，又提高了经济产出，初步实现了生态效益和经济效益的同步发展。32（12分）甜荞麦是异花传粉作物，具有花药大小（正常、小）、瘦果形状（棱尖、棱圆）和花果落粒性（落粒、不落粒）等相对性状。某兴趣小组利用纯种甜荞麦进行杂交实验，获得了足量后代，f2代性状统计结果如下。请回答： （1）花药大小的遗传至少受_对等位基因控制，f2代花药小的植株中纯合子所占比例为_。 （2）花果落粒（dd，）与不落粒（dd，）植株杂交，f1中出现了一植株具有花果不落粒性状，这可能由母本产生配子时_或_所致。 （3）为探究控制花药大小和瘦果形状两对性状的基因在染色体上的位置关系，实验方案如下： 选择纯合花药正常、瘦果棱尖和相关基因均为隐性纯合的花药小、瘦果棱圆植株作亲本杂交，获得f1； 让f1植株测交获得f2； 统计后代中花药大小和瘦果形状的性状比例。结果分析（横线上填写表现型比例）： 若后代中花药正常瘦果棱尖花药小瘦果棱尖花药小瘦果棱圆=_，则控制花药大小和瘦果形状两对性状的基因位于两对染色体上； 若后代中花药正常瘦果棱尖花药正常瘦果棱圆花药小瘦果棱尖花药小瘦果棱圆=_，则控制花药大小和瘦果形状两对性状的基因位于三对染色体上。（6）根据表中数据，计算所得固体中亚硝酸钠的质量分数 。（结果保留4位有效数字）（二）选考题：共45分。请考生从给出的3道物理题，3道化学题、2道生物题中每科任选一题作答，并用2b铅笔在答题卡上把所选题目的题号涂黑。注意所做题目的题号必须与所涂题目的题号一致，在答题卡上选答区域指定位置答题。如果多做，则每学科按所做的第一题计分。33物理选修3-3（15分）（1）（6分）下列叙述正确的是a温度升高时，物体内每个分子的热运动速度都增大b布朗运动是液体分子对悬浮固体颗粒的碰撞作用不平衡造成的c外界对气体做正功，气体的内能一定增加d自然界中进行的涉及热现象的宏观过程都具有方向性e气体压强本质上就是大量气体分子作用在器壁单位面积上的平均作用力（2）（9分）某同学研究一定质量理想气体的状态变化，得出如下的p-t图象。已知在状态b时气体的体积vb =3l，求 气体在状态a的压强； 气体在状态c的体积。34【物理选修3-4】（15分） (1) （6分）下列说法正确的是_a. 测定某恒星特定元素发出光的频率，对比地球上该元素的发光频率，可以推算该恒星远离地球的速度b. 无线电波没有偏振现象c. 无线电波比红外线更容易发生干涉和衍射现象d根据麦克斯韦电磁场理论，电磁波中的电场和磁场互相垂直，电磁波是横波e. 发射无线电波时需要对电磁波进行调制和解调（2）（9分）如 图所示，mn是一条通过透明球体球心的直线，在真空中波长为0=600nm的单色细光束ab平行于mn射向球体，b为入射点，若出射光线cd与mn的交点p到球心o的距离是球半径的倍，且与mn所成的夹角= 30。求：透明体的折射率n；此单色光在透明球体中的波长。35(选修模块3-5)(15分)（1）（6分）如图所示是用光照射某种金属时逸出的光电子的最大初动能随入射光频率的变化图线，（直线与横轴的交点坐标4.27，与纵轴交点坐标0.5）。由图可知普朗克常量为_js，金属的极限频率为 hz（均保留两位有效数字）（2）（9分）如图所示，光滑水平面上放置质量均为m=2 kg的甲、乙两辆小车，两车之间通过一感应开关相连（当滑块滑过两车连接处时，感应开关使两车自动分离，分离时对两车及滑块的瞬时速度没有影响），甲车上表面光滑，乙车上表面与滑块p之间的动摩擦因数=05。一根轻质弹簧固定在甲车的左端，质量为m=l kg的滑块p（可视为质点）与弹簧的右端接触但不相连，用一根细线栓在甲车左端和滑块p之间使弹簧处于压缩状态，此时弹簧的弹性势能eo=10j，弹簧原长小于甲车长度，整个系统处于静止状态现剪断细线，滑块p滑上乙车后最终未滑离乙车，g取10m/s2求： 滑块p滑上乙车前的瞬时速度的大小； 乙车的最短长度。36【化学选修2:化学与技术】(15分)火山喷发所产生的硫黄可用于生产重要的化工原料硫酸。某企业用下图所示的工艺流程生产硫酸：请回答下列问题：（1）硫酸的用途非常广泛，可应用于下列哪些方面_ （可多选） a橡胶的硫化b表面活性剂“烷基苯磺酸钠”的合成c铅蓄电池的生产d过磷酸钙的制备（2）为充分利用反应放出的热量，接触室中应安装_ （填设备名称）。吸收塔中填充有许多瓷管，其作用是 （3）如果进入接触室的混合气（含so2体积分数为7、o2为11、n2为82）中so2平衡转化率与温度及压强的关系如图所示。在实际生产中，so2催化氧化反应的条件选择常压和450 ，而没有选择so2转化率更高的b或c点对应的反应条件，其原因分别是_ ； 。（4）为使硫黄充分燃烧，经流量计l通入燃烧室的氧气过量50；为提高so2转化率，经流量计2的氧气量为接触室中二氧化硫完全氧化时理论需氧量的2.5倍；则生产过程中流经流量计l和流量计2的空气体积比应为 。假设接触室中so2的转化率为95，b管排出的尾气中二氧化硫的体积分数为 （空气中氧气的体积分数按0.2计）。（5）工业对硫酸厂尾气的处理方法一般是 。37【化学选修3:物质结构与性质】(15分)，太阳能电池板材料除单晶硅外，还有铜、铟、镓、硒等化学物质。（1）基态硅原子的电子排布式： 。（2）有一类组成最简单的有机硅化合物叫硅烷。硅烷的组成、结构与相应的烷烃相似。硅烷的通式为 ，硅烷中硅采取 杂化方式，硅烷的沸点与相对分子质量的关系如图所示，呈现这种变化的原因是 。（3）硒和硫同为via族元素，与其相邻的元素有砷和溴，则三种元素的电负性由小到大的顺序为 。（用元素符号表示）（4）气态seo3分子的立体构型为 ，与seo3互为等电子体的一种离子为_(填化学式)。（5）一种铜金合金晶体具有面心立方最密堆积结构，在晶胞中金原子位于顶点，铜原子位于面心，则该合金中金原子（au）与铜原子（cu）个数比为 ；若该晶体的晶胞棱长为a pm，则该合金密度为 g/cm3 。（列出计算式，不要求计算结果，阿伏伽德罗常数的值为na）38【化学选修5:有机化学基础】(15分)高分子材料pet聚酯树脂和pmma的合成路线如下：j已知：. （r，r是两种不同的烃基）. （r、r代表烃基）（1）的反应类型是 ，a的名称为_。（2）的化学方程式为 。（3）pmma单体的官能团名称是 、 。（4）f的核磁共振氢谱显示只有一组峰，的化学方程式为 。（5）符合下列要求的j的同分异构体有 种。能与naoh溶液反应 能使酸性高锰酸钾溶液的紫色褪去分子中不含环状结构其中与j具有相同官能团，且为顺式结构，其结构简式是 。（6）写出由pet单体制备pet聚酯并生成b的化学方程式 。39.【生物选修1：生物技术实践专题】 (15分)生产实践中应用的菌种主要来自土壤，从土壤中分离微生物的实验流程如下：土壤取样选择培养梯度稀释鉴别培养。请回答下列有关问题：(1)将土壤浸出液接种到特定培养基上，可以将酵母菌从混杂的微生物群体中分离出来，获得纯种酵母菌，这一过程叫做_。在培养酵母菌的过程中，对培养基、接种环常采用的灭菌方法分别是_。(2)在使用酵母菌发酵生产酒精的过程中，影响酵母菌酒精发酵的主要因素有_，常使用_的方法从发酵液中提取纯酒精。(3)从土壤中分离纤维素分解菌，最好选择在_环境中采集土样，所选择的培养基应以_作为唯一碳源。(4)纤维素分解菌能够合成纤维素酶，为了使纤维素酶反复使用，可以对纤维素酶进行_处理，处理的方法有吸附法、共价键结合法和_法。40.【生物选修3：现代生物科技专题】 (15分) 我国科技人员历经多年，成功培育出一批人乳铁蛋白转基因奶牛，其牛奶中的重组人乳铁蛋白含量在国际上是最高的，转基因奶牛培育过程如图所示，据图回答下列问题。 （1）转基因过程用到的工具酶有；含目的基因的载体除包括目的基因外，还必须有及标记基因等；方法c是技术。 （2）精子体外获能通常采用培养法和 两种方法。 （3）图中的a和b分别表示过程，a中的培养液除一些无机盐和有机盐外，还需添加维生素、激素、 等营养成分，以及血清等物质。 （4）如果想同时获得更多的相同子代，可采用 技术，若对囊胚操作，应注意 。化学参考答案选项78910111213a卷答案cbdbacd选项78910111213b卷答案bacdbda26（14分）（1）nacl （1分） fe（oh）3（1分）（2）fe2o3 + 3h2so4 = fe2(so4) 3 + 3h2o（2分）sio2（1分。多写fes2不扣分，多写其它化学式0分） fes2 +14 fe3 + + 8 h2o =15fe2 + + 2 so42- + 16 h+ （2分） 。3.23.8 （2分） 410（4-3a） （2分）na2so4、al2(so4)3、mgso4（3分，多写h2so4不扣分，多写其它0分；漏写酌情给分）； 27(16分) （1），共价键（2）2co2(g)6h2(g) ch3och3(g) 3h2o(g) h122.7 kjmol1b 0.18 mol .l-1min-1；ka=kckb。（3）碱性，1.310-3（每空2分）28（13分）(1) （2分）（2）将no2转化为no，同时cu与稀硝酸反应生成no（或制取no）（2分）（3）或；（2分）（4）取少量装置c中产物置于试管中，加入适量蒸馏水溶解，（加入稀硫酸酸化）滴加入12滴（少量）酸性kmno4溶液，若溶液紫色褪去，说明c中产物含有nano2（2分）(5)ac（2分）（6）86.25%或0.8625（3分）36（15分）（1）b、c、d （2分）（2）热交换器 （1分） 增加so3与浓硫酸的接触面，有利于so3的吸收。（2分）（3）不选b点，因为压强越大对设备的投资大，消耗的动能大；so2的转化率在1个大气压下已是97%左右, 再提高压强，so2的转化率提高的余地很小。 （2分）不选c点，因为温度越低，so2转化率虽然更高，但催化剂的催化作用受影响，4500c时，催化剂的催化效率最高。（2分）（4）1.2 （2分） 0.004 （2分）； （5）用氨水吸收 （2分）37 （1）1s22s22p63s23p2（2分）（2）sinh2n+2（1分），sp3（1分），硅烷为分子晶体，随相对分子质量增大，分子间作用力增强，熔沸点升高（2分）（3）assebr（2分）（4）平面三角形（1分），co32-或no3-（2分）（5）1：3（2分）； g/cm3（2分）38 （1）加成反应（1分）,1，2-二溴乙烷（1分）（2）（2分）（3）碳碳双键（1分）酯基（1分）（4）（2分）（5）8（2分），（2分）（6）（3分）物理参考答案a卷 14a 15a 16c 17d 18d 19bc 20bcd 21abb卷 14a 15b 16d 17b 18b 19ac 20bcd 21ac22（6分）答案（1） （2） 23（9分）减小 300 80024（14分）解析: (1)设货物加速运动的加速度为a、时间为t1、位移为x1，则： a=1m/s2 货物匀速运动时间t2为：故货物从地面运送到平台上所用的时间t为：t=t1+t2=5.5s （8分）(2)联立解得w=1425j （6分）25（18分）解析: (1) 粒子进入磁场后做匀速圆周运动，运用几何关系作出圆心o， 圆半径为r，设第一次碰撞点为a，由于粒子与圆筒发生两次碰撞又从s孔射出，因此sa弧所对圆心角。 （1分） 由几何关系得 （1分） 粒子运动过程中洛伦兹力充当向心力，由牛顿第二定律，得 （1分）联立得 （1分）由动能定理得 （2分） 联立上式可得 （2分） 由闭合电路欧姆定律 e0= （4分） (2)保持m、n的距离不变，移动滑动变阻器的滑片，设粒子与圆筒发生n次碰撞后仍从s孔射出，板间电压为un，则 （2分） (n=2,3,4) （2分） 由 （2分） 故 (n=2,3,4) （2分）34（15分）（1）（6分）acd（2）（9分）设ab光线的入射角为1，折射角为2，由几何关系： 22=1+15=透明体的折射率n=由 得此单色光在透明球体中的波长=35（15分）（1）（6分）6.510-34 4.310-14 （2）（9分）设滑块p滑上乙车前的速度为v1，甲、乙速度为v2，对整体应用动量守恒和能量关系有：mv1-2mv2=0 解得：v1=4m/s, v2=1m/s设滑块p和小车乙达到的共同速度为v3，对滑块p和小车乙有：mv1-mv2=(m+m)v3）代入数据解得：l m生物答案(ab卷)1a 2d 3c 4a 5b 6d 29（12分，每空2分）（1）细胞质基质、线粒体 （2）开花后第20d 小于 （3）逐渐下降 逐渐增加（4）增加通气量，提高水稻的有氧呼吸速率，为有机物的运输等过程提供能量，有利于种子中干物质的快速积累30（8分，每空1分）（1）数量 体积 （2）细胞分裂素 分裂 脱落酸 生长素 乙烯 （3）多种激素共同调节（作用）31（7分，除标注外每空1分）（1）样方法 大于（2分） 弱光（2分） 乔木 （2）碳元素（co2）32（12分，每空2分）（1）二 3/7 （2）d突变为d 含d基因染色体缺失 (3) 112 113339（15分，除标注外每空2分） (1)纯培养高压蒸汽灭菌、灼烧(2)温度、ph、氧气浓度等蒸馏(3)富含纤维素的纤维素(4)固定化包埋（1分）40（15分，除标注外每空2分）（1）限制性核酸内切酶（限制酶）和dna连接酶 启动子、终止子 显微注射（1分）（2）化学诱导法（3）胚胎的早期培养和胚胎移植 氨基酸、核苷酸 （4）胚胎分割 将内细胞团均等分割秘密启用前 试卷类型：a2015届湖北省黄冈市黄冈中学高三6月适应性考试英语试卷 本试卷共12页。全卷满分150分。考试用时120分钟。祝考试顺利注意事项：1答卷前，考生务必将自己的姓名、准考证号填写在试题卷和答题卡上，并将准考证号条形码粘贴在答题卡上的指定位置。用2b铅笔把答题卡上试卷类型a后的方框涂黑。2选择题的作答：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，再选涂其它答案标号。答在试题卷、草稿纸上无效。3完成句子和短文写作题的作答：用0.5毫米黑色墨水签字笔直接答在答题卡上对应的答题区域内。答在试题卷、草稿纸上无效。4考生必须保持答题卡的整洁。考试结束后，请将本试题卷和答题卡一并上交。第一部分：听力（共两节，满分30分）做题时，先将答案划在试卷上。录音内容结束后，你将有两分钟的时间将试卷上的答案转涂到答题卡上。第一节（共5小题；每小题1.5分，满分7.5分)听下面5段对话。每段对话后有一个小题，从题中所给的a、b、c三个选项中选出最佳选项，并标在试卷的相应位置。听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。1. which hotel might pearl stay at according to the man? a. plaza. b. cambridge. c. grand regency.2. where will the two speakers go next? a. to an office. b. to their home. c. to a restaurant.3. what is the man concerned about? a. the price. b. the memory space. c. the function.4. how does the woman pay the bill? a. in cash. b. by cheque. c. by credit card.5. what can we learn from the conversation? a. the mans house is not far from the library. b. the man always borrows books these days. c. the man goes to the library twice a month.第二节（共15小题；每小题1.5分，满分22.5分) 听下面5段对话或独白。每段对话或独白后有几个小题，从题中所给的a、b、c三个选项中选出最佳选项，并标在试卷的相应位置。听每段对话独白前，你将有时间阅读各个小题，每小题5秒钟；听完后，各小题将给出5秒钟的作答时间。每段对话或独自读两遍。听第6段材料，回答第6、7题。6. what are the speakers talking about in general? a. a band. b. a cell phone. c. music.7. why does the woman listen to barndoor boys songs? a. they can calm her down.b. they can cheer her up. c. they can make her relax.听第7段材料，回答第8至10题。8. who is the woman?a. a dancer. b. an actress. c. a player.9. how often does the woman practise recently?a. twice a week. b. four days a week. c. four times a month.10. what does the woman ask the man to do? a. see her performance. b. take exercise together with her. c. help her lose weight. 听第8段材料，回答第11至13题。11. what is the probable relationship between the two speakers?a. interviewer and interviewee. b. doctor and patient. c. fellow workers.12. what is the mans health problem? a. he suffers high blood pressure.b. he has been putting on weight.c. its difficult for him to go to sleep at night.13. according to the man, what is the cause of his problem? a. lack of exercise.b. too many pizzas and burgers. c. no ice cream before going to bed.听第9段材料，回答第14至16题。14. who could the man most probably be? a. a passer-by. b. a taxi driver. c. a policeman.15. how long will it take the woman to get to the national museum of art? a. less than 12 minutes. b. no more than 18 minutes.c. more than 20 minutes.16. how will the woman probably go to the mexican restaurant? a. by taxi. b. by subway. c. by bus.听第10段材料，回答第 17至 20题。17. where is the speaker probably? a. at a tv station. b. on a beach. c. at a shopping mall.18. how many people does the speaker mention? a. 3. b. 4. c. 5.19. what does the speaker say about the guy with short pants? a. he needs fashion lessons.b. he wears a fashionable shirt.c. he will go to a barbecue party.20. who is in fashion? a. the girl with holey jeans. b. the girl with a white blouse. c. the guy with a hawaiian shirt.第二部分：词汇知识运用（共两节，满分30分）第一节：多项选择 (共10小题；每小题1分，满分10分) 从a、b、c、d四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。21. thankyoufor yourapplause.fromyouapplauseicanseeyour _andsupport,althoughthecurtainjustbegins. a. comprehension b. motivation c. proportion d. assumption22. the mount tai, occupying an area of 426 square kilometers, possesses rich cultural and geological _.a. qualifications b. entertainments c. attractionsd. applications23. manypeoplebelieve thatmoneybringshappiness,becauseiftheycanpayand _ alltheirdesirestheyimaginethat theywill behappyforever.a. acquireb. highlight c. fulfil d. reveal24. iwould,however, beperfectlysatisfiedifyouwouldkindlyreplace thecameraor _ mymoney, whicheveris more convenient.a. chaseb. exchangec. swap d. refund25. at one level, the internet has enabled people to make connections they might not otherwise have made, and virtual friendships can _ real-life relationships.a. arise fromb. evolve into c. seek for d. attach to26. the latest report has declared that the chinese economy is _ steadily, supported by increasing consumption, stable export volumes, and the governments reform policies.a. holding upb. standing up c. turning up d. picking up 27. “i was shocked and _ at that time, but at the same time it made me cherish my sporting life even more. i will take it as a lesson and be more careful in the future.” the famous sports star sun yang said.a. excitedb. depressed c. admiredd. contented28. intelligence is _ to the modern sportsmen; there are so many losses and benefits to be balanced that a sportsman needs a reasonable, calculating mind.a. complicated b. sufficientc. controversiald. essential29. “all roads lead to rome” is an english idiom which means that different methods of doing something will _lead to the same result. a. immediately b. eventually c. increasingly d. occasionally30. the reason why this design stands out from the others is that it falls _the hotels promise to offer its guests the utmost comfort and convenience.a. in line with b. in relation to c. in view of d. in exchange for第二节 完形填空（共20小题；每小题1分，满分20分）阅读下面短文，从短文后各题所给的四个选项（a、b、c和d）选出可以填入空白的最佳选项，并在答题卡上将该项涂黑。it was two days before christmas and young maggie dotson was already being told that her christmas wish would not be coming true. paxton, she was 31 , would not be coming back.before that december day a/an 32 baby deer had been abandoned in the woods behind the dotsons home. so 33 was the little deer that he hadnt the strength to run from maggies father when he 34 him. 35 he carried the little deer towards their home, maggie rushed outside and 36 rubbed the little deers nose; it licked (舔) maggies hand, which made her laugh. mr. dotson smiled and just shook his head. he proceeded to carry the little deer to the 37 .in what seemed like a few seconds to mr. dotson, maggie rushed to the house and came back carrying a medical bag, and a 38 of lettuce (莴苣) she had 39 from the refrigerator. maggie handed her father the bag, and then placed the lettuce by the little deers mouth - but he wasnt 40 .as mr. dotson placed a 41 around the little deers injured hoof (蹄), maggie became excited as the little deer began to bite on the lettuce. it was dark outside and the temperature was quite 42 . maggie insisted that her father return with carrots and warm blankets for him. he promised he 43 .after he 44 the light in the garage, maggie turned to her father and said, “im going to name him paxton, daddy.with time and 45 , maggie finally gained the little deers 46 . in fact, he was soon eating carrots right out of her hand. and when the holidays were over and maggie was back in school, she never left 47 feeding paxton first thing every morning.mr. dotson could see the 48 that his daughter felt for the little deer. that scared him, 49 , because he knew maggie would never be able to say 50 . so when his hoof had finally healed, mr. dotson came home early one afternoon to set him free.31. a. asked b. advised c. told d. meant32. a. lost b. injured c. escaped d. freed33. a. weak b. sick c. tired d. frightened34. a. threatened b. scratched c. witnessed d. approached35. a. before b. since c. while d. as36. a. gently b. slightly c. toughly d. voluntarily37. a. house b. garage c. woods d. backyard38. a. row b. mouthful c. handful d. basket39. a. stole b. grabbed c. threw d. kept40. a. absorbed b. engaged c. satisfied d. interested41. a. ingredient b. label c. restriction d. bandage42. a. freezing b. warm c. hot d. normal43. a. could b. would c. should d. might44. a. turned upb. turned on c. turned off d. turned out45. a. persistence b. recognition c. sequence d. sacrifice46. a. appetite b. security c. awareness d. trust47. a. except b. without c. after d. until48. a. beauty b. bridge c. bond d. bitterness49. a. thereforeb. thus c. still d. though50. a. goodbyeb. good night c. hello d. apology第三部分：阅读理解（共20小题；每小题2分, 满分40分） 阅读下列短文，从每篇短文后所给各题的四个选项（a、b、c和d）中，选出最佳选项，并在答题卡上将该项涂黑。 ai vividly remember walking back to my house after collecting the afternoon mails. i saw a credit card statement, another credit card statement and our bank statements. i was in that moment that i felt a deep tension.i realized that even though i had married a man who i absolutely loved and adored, i really didnt have a clear sense of how he handled money and how the two of us were going to combine our different approaches to handling money in our marriage. i was more organized and detailed, but he was more of a laid-back type. i knew that getting on the same financial page was a key factor in creating a successful marriage and financial future.i asked my husband if he would be willing to set up a time each week to talk about our finances and develop a plan for getting rid of our credit card debt. my husband said he would be willing to do this. admittedly, he was skeptical but willing.we came to refer to our weekly meetings as our financial dates. we didnt really have a clue as to what we were doing. all we knew was that we needed to give our finances serious attention. some dates were filled with tense conversations. other dates were filled with laughter, joy and creativity. however, we kept showing up for our dates and we never gave up. what started out as a means for survival became a powerful connecting thread in our relationship. something shifted within us.instead of our finances becoming a source of divisive tension that pulled us apart, they became the glue that held us together as we became a unified team.i still recall the day that we excitedly crossed off our last credit card payment on the chart we had created. we had finally arrived. we were free. we had been given wings to fly.now, whenever i feel huge stress i ask myself, “how am i contributing to what is happening right now?” this gives me the ultimate power to take action. even though my husband and i dont have any guarantee against future challenges, i am left with something deep within that is unshakable and that can never be taken away the memory of our past successes and the power to integrate (整合) these lessons in my day-to-day life.51. why did the author feel nervous when collecting the afternoon mails? a. she was not sure about her marriage. b. she didnt know how to handle money. c. she could feel the pressure of the huge debt. d. she was reminded of the quarrels in the family.52. which word can replace the underlined word “laid-back” in the second paragraph?a. relaxed. b. skeptical. c. lazy. d. confident.53. what can we learn from the financial dates?a. they showed the couple clear direction at first.b. they left the couple nothing but deep sadness.c. they were once interrupted but quickly continued.d. they strengthened the couples relationship at last.54. we can infer that when faced with stress the author will _.a. try to change the situationb. focus on what contributes to itc. get power from the memoryd. feel free to do what she likesbthere are roughly 55 million single women in the us, many of them fashionable, sexy and smart, with their finger on the pulse of life. but when that certain finger is ringless, even the most self-confident finger fears the shame and blame of disappointed family during a visit home. the holidays are known to cause stress to scores of single women in the pains of “the panic years”, who call the annual visit-and-interrogation (审讯) the “thanksgiving third degree”. now some women have admitted to buying fake, cheap “engagement rings” just to prevent parents and other overly-critical family members from delivering ridicule and judgment over their single status.it may sound like a slippery slope towards avoidance issues and other psychological problems, but if it quiets them long enough without you getting questioned about why your boyfriend of three years hasnt proposed yet, it could be well worth the $30 investment. sometimes its completely soul-pressing when you come home for the holidays empty-handedliterally (准确地)watching your family members faces show disappointment that youre back another year without any engagement ring.heather, a 31-year-old lawyer from new york, was well on her way to being both unhitched and unhinged(神经错乱), thanks to her mothers persistent request about marriage. she feared that the constant blaming could destroy not just her own wise judgment, but threaten her long-time relationship with her boyfriend, tony, who was regularly interrogated about his intentions from his would-be mother-in-law. well aware that showing up without a ring for the holidays would ruin the mood of the entire weekend, she became very resourceful.“i got a fake ring for $30 just to shut her up,” she said. “it actually worked and it turned into a really great visit!” just three months later, heather had a real ring to show off. tony proposed on their own timetable on valentines day and her mother was never the wiser.55. from the passage some single women buy fake rings _.a. to keep away from blame from parentsb. to save money for their future marriagec. being vain to show their beautiful fingersd. to check how others evaluate them56. some single women fear their holidays because _.a. they cant find suitable partnersb. their parents arent satisfied with their casual attitudec. their parents blame them for just not wearing ringsd. they will be questioned for being single 57. what caused heather to be resourceful? a. not wanting to spend stressful weekends home.b. thinking of how to make weekends meaningful.c. having many resources to enjoy the weekends.d. getting help from her parents on weekends.58. what can be implied from “ it turned into a really great visit”?a. heather wasnt afraid of visiting her parents.b. heather managed to make her parents happy.c. heather found visiting her parents more enjoyable.d. heather wore a fake ring confirming her engagement.cits clear that with unprecedented (空前的) pressure on our natural resources and our climate, the world economy needs to “green up”. the shift to a green economy represents one of the biggest business opportunities in decades. already, the global low-carbon market is worth more than 3 trillion, and is set to reach 4 trillion by 2015 as more economies invest in low-carbon technologies.and we need to focus on green growth because the price of inaction is too high. business is constantly looking for ways to become more efficient and the competitive gains for british companies efficient use of resources such as water, energy and materials are enormous, with potential savings of about 23 billion a year. we do not underestimate the challenges that we face in moving to a green economy. we often take our natural resources for granted but these are not inexhaustible, and demand is increasing. this is an economic issue, its a development issue, and it requires global action.next month, im joining leaders in business, government and civil society from all over the world at the rio+ 20 earth summit in brazil. ill be calling for an absolute commitment from my international colleagues to inclusive (广泛的) green growth as the path to shared prosperity. governments need to create the framework for the private sector（部门）to act. we want an agreement to develop sustainable development goals that meet the linked challenges of food, energy and water security.at home, were providing support to companies that are changing the way they do business. our green economy council brings together government, businesses and the third sector to help us create the right way to enable action from everyone from government, businesses and consumers. we in the government want to create an effective basis for the green economy, with policies that are helping growth and giving businesses the certainty to plan and invest. a strong green economy will generate the investment and innovation (创新) to transform our products and services and capture new markets, though the case for green investment and green growth is compelling (有吸引力的), as we rebuild the british economy. to my mind, there is no other option.59. it is time for the world economy to “green up” due to _. a. the appearance of low-carbon technologiesb. the pressure on natural resource and climate c. the increasing demand of worldwide population d. the present environmental problems like pollution60. what can be learned from the second paragraph? a. some businesses have efficiently saved a lot. b. inefficient companies will have to compete much. c. a green economy is in reality a development issue. d. there are many difficulties on the way to a green economy.61. to develop green economy, the governments should _. a. change the way companies do business b. make effective policies for the green economy c. actively attend rio+20 earth summit to be held in brazil d. encourage businesses to invest more on sustainable energies62. what is the authors attitude towards the coming green economy? a. doubtful. b. hopeful. c. negative. d. worried.dat some time in your life you may have a strong desire to do something strange or terrible. however, chances are that you dont act on your impulse (冲动),but let it pass instead. you know that to commit the action is wrong in some way and that other people will not accept your behavior.perhaps the most interesting thing about the phenomenon of taboo behavior is how it can change over the years within the same society, how certain behavior and attitudes once considered taboo can become perfectly acceptable and natural at another point in time. topics such as death, for example, were once considered so upsetting and unpleasant that it was a taboo to even talk about them. now with the publication of important books such as on death and dying and learning to say goodbye, people have become more aware of the importance of expressing feelings about death and, as a result, are more willing to talk about this taboo subject.one of the newest taboos in american society is the topic of fat. unlike many other taboos, fat is a topic that americans talk about constantly. its not taboo to talk about fat; its taboo to be fat. the “in” look is thin, not fat. in the work world, most companies prefer youthful-looking, trim (苗条的) executives to sell their image as well as their products to the public. the thin look is associated with youth, vigor, and success. the fat person, on the other hand, is thought of as lazy and lacking in energy, self-discipline, and self-respect. in an image-conscious society like the u. s. , thin is “in”, fat is “out”.its not surprising, then, that millions of americans have become obsessed (着迷) with staying slim and “in shape”. the pursuit of a youthful physical appearance is not, however, the sole reason for americas obsession with diet and exercise. recent research has shown the critical importance of diet and exercise for personal health. as in most technologically developed nations, the life-style of north americans has changed dramatically during the course of the last century. modern machines do all the physical labor that people were once forced to do by hand. cars and buses transport us quickly from point to point. as a result of inactivity and disuse, peoples bodies can easily become weak and vulnerable to disease. in an effort to avoid such a fate, millions of americans are spending more of their time exercising every day.63. from the passage we can infer taboo is _. a. a strong desire to do something strange or terribleb. a crime committed on impulsec. behavior considered unacceptable in societys eyesd. an unfavorable impression left on other people64. based on the ideas presented in the passage we can conclude “being fat” _.a. will always remain a taboob. is not considered a taboo by most peoplec. has long been a tabood. may no longer be a taboo some day65. in the u. s., thin is “in”, fat is “out”, this means _.a. thin is “inside”, fat is “outside”b. thin is “diligent”, fat is “lazy”c. thin is “youthful”, fat is “spiritless”d. thin is “fashionable”, fat is “unfashionable”66. the main reason the passage gives for why so many americans are exercising regularly is _.a. their changed life-styleb. their eagerness to stay thin and youthfulc. their appreciation of the importance of exercised. the encouragement they have received from their companiesea woman in the us is able to speak for the first time in 11 years after a pioneering voice box transplant.brenda jensen said the operation was a great success which had saved her life. thirteen days after the surgery she said her first words, “good morning, i want to go home.” it is the first time a voice box and windpipe (气管) have been transplanted at the same time and only the second time a voice box has ever been transplanted.ms. jensen, 52, had been unable to speak on her own since her voice box was damaged during surgery in 1999. since then, she has been unable to taste or smell food, could breathe only through a hole in her windpipe and could talk only with the help of an electronic voice box.in october, surgeons at the university of california davis medical centre removed the voice box and 6cm of the windpipe from a donor body. in an 18-hour operation, this was transplanted into ms. jensens throat and the team connected it to her blood supply and nerves.professor martin birchall from university college london, who was part of the surgery team, said, “weve learned that we can repair nerves to make even very complex organs function again. itll open the door to better facial transplants and will be extremely important as tissue engineering develops.” a voice box transplant might be life changing, but it is not life saving. everyone who receives a transplant must take drugs to control the immune system for the rest of their lives. these drugs can reduce life expectancy, so they are normally set aside for life saving procedures. one of the reasons ms. jensen was a suitable person for this transplant was that she was already taking immune controlling drugs after a kidney-pancreas (胰腺) transplant four years ago. professor peter belafsky, part of the surgical team, said, “brenda was an exceptional (例外的) candidate for the transplant because she was highly motivated.” anyone whos met brenda knows that she is a strong and determined person with a great outlook on life in spite of the many physical challenges shes faced over her lifetime. 67. the voice transplant operation is of great significance because it proves that _. a. facial transplants are now easier to perform b. nerve repairing is a breakthrough in tissue engineering c. new medical technology is always possible to discoverd. the drugs taken after the operation help the patient live longer68. ms. jensen was a suitable person for this transplant because she was _. a. experienced and braveb. seriously ill and motivated c. determined and realisticd. strong-willed and prepared69. which of the following is the right time order of the event?a. ms. jensen received a voice box transplant operation. b. ms. jensen began to take immune controlling drugs. c. doctors removed the voice box from a donor body. d. ms. jensen had a kidney-pancreas transplant operation. a. acdb b. dbca c. bdca d. cabd70. which of the following is the best title for the passage? a. first words from new voice box b. transplant saves a womans life c. overcoming obstacles to speak again d. courageous woman defeating fears第四部分： 书面表达（共两节，满分50分）第一节: 完成句子 (共10小题; 每小题2分，满分20分) 阅读下列各小题，根据汉语提示，用句末括号内的英语单词完成句子，并将答案写在答题卡上的相应题号后。71. aids is said_ the biggest health challenge to both men and women in that area over the past few years. (be)据说，在过去的几年里，艾滋病已经成为那个地区男性以及女性的最大的健康挑战。72. a hotspot is a public area that the wireless technology, which allows users_ the internet, has been applied to. (access)热点区是一个应用了无线电科技，让使用者进入网络的公共区域。73. oh, boys, why are you killing your time this way? cant you find something ?(worth)噢，孩子们，为什么要这样消磨时光呢？你们难道不能找点更值得做的事情吗？74. _ that he didnt even make an appearance at the conference, not to mention a speech. (annoy)让我感到恼火的是这次会议他根本没露面，更不用说讲话了。75. the mother is always giving whatever her son wants, which is_. (lie)这位母亲总是给她儿子任何他想要的东西，这就是她的错误所在。76. i told my mother hardly my eyes when i started to think of the terrible scene. (close)我告诉母亲晚上我一闭上眼睛就开始想那可怕的情景。77. i _ by teaching in a high school for five years, and is now working in a university. (earn)我在一所中学靠教学谋生，工作了5年，现在在大学里工作。78. i feel as if we _ each other for years though we just met each other a moment ago. (know)尽管我们才见面一会儿，我觉得我们好像相互认识很多年了。79. with the fact that shes younger than the rest_, i think she has spoken english very well indeed. (account)考虑到她比其他人年纪都小，我认为她的英语实际上已经说得很好了。80. when i told her the air there and it would be very cold, she said it would be an interesting experience. (breathe)当我告诉她在那里会呼吸困难且很冷时，她说这将是一次有趣的经历。第二节：短文写作（共一题，满分30分）请根据以下提示，并结合事例，用英语写一篇短文。when something “bad” happens, its important to shift negative thoughts to something positive. if we dont, we will only attract more “bad things”.注意：无须写标题； 除诗歌外，文体不限； 内容必须结合你生活中的具体事例； 文中不得透露个人姓名和学校名称； 词数不少于120，如引用提示语则不计入总词数。湖北省黄冈中学2015届高三适应性考试英语试题参 考 答 案a卷15acbca 610cbaba 1115accba 1620bcbab2125accdb 2630 dbdba 3135 cbadd 3640 abcbd 4145 dabca 4650 dbcda 5154 cadc 5558 adac 5962 bcbb 6366 cddb 6770bdbab卷15cbaab 610aacab 1115bbacb 1620abcba2125bdaba 2630 ccbab 3135 bccba 3640bcdab 4145 cbcdb 4650bdacb5154 bcdd 5558bbdb 5962daca 6366 bbcc 6770abcb71. to have been 72.to gain /get /have access to73. (that is) better worth doing 74. it annoyed me / made me annoyed75. where her mistake lies 76. had i closed77. earned a /my living 78. had known79. taken into account 80. would be hard / difficult to breatheone possible version:it can safely say that most of us fill our day with negativity from the moment we get out of bed. then we wonder why our day is not the best it can be. its advisable, however, that we think more positively.i will never forget an afternoon when my bus was stuck in rush traffic on my way home. desperately wanting to have a look at what my father could have bought for my birthday, i was in so worried a state that i was about to lose my temper. fortunately enough, i didnt. i made it positive by saying that this was awesome and i could spare this time to clear my head from study. therefore, when i got home i was in a great mood and ready to play with my family and my birthday gift, a new bicycle.from my experience, i draw a conclusion that making the choice to stay positive is an easy task though it takes commitment and will not happen over night. a positive attitude towards bad experiences can help make you happier and stronger and the path to success clearer in the long run. (189字)51. c 看到一张又一张的结账单，作者感到紧张。52. a 与“有条理注重细节”相对应的是“松弛的，轻松的”。53. d 倒数第三段提到finance dates 成为家庭的粘合剂(glue)。54. c 此次经历将成为未来生活的借鉴和帮助。55. a 见第一段第二句。56. d见第一段最后一句。57. a 知道假日不戴订婚戒指会破坏整个周末的心情，希瑟变得很有主意。58. c 她说：“我花30美元买了个假戒指，这下她没的说了。戒指真管用，这次回家很愉快！59. b 60. c 本段讲经济发展存在的问题，是发展中的问题。61. b 见3, 4段(governments need to create framework和with policies that are helping growth ).62. b 见最后一段。63. c 从第一段和第二段第一句可知，禁忌是不好的行为。64. d 由第二段可知。65. d 由第二段关于“死
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