湖南省G10教育联盟2018届高三四月联考英语试题+Word版含答案
湖南省三湘名校教育联盟2018届高三第三次联考英语试题Word版含解析
湖南省三湘名校教育联盟2018届高三第三次联考英语试题Word版含解析湖南省三湘名校教育联盟2018届高三第三次联考英语试题第一部分听力(版权:百强校英语解析团队专供)(共两节，满分30分)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。
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. What does the man plan to do in the holiday?A. Stay at home.B. Have a picnic.C. Goswimming.2. Where does the conversation probably take place?A. In a restaurant.B. In a gym.C. In astore.3. When is the woman’s birthday?A. Next Monday.B. Next Tuesday.C. NextSunday.4. Who has difficulty in learning English?A. Lempel.B. Linda.C. Jockey.5. What are the speakers doing now?A. Waiting for someone at the station.B. Booking tickets for their trip.C. Talking about their plan.第二节(版权:百强校英语解析团队专供)(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。
听每段对话或独白前，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。
四省名校2018届高三第三次大联考英语试题有答案
第一部分听力（共两节，满分30分）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. What are the speakers talking about?A. A book.B. A movie.C. A magazine.2. What is the woman going to do this summer vacation?A. Stay at home.B. Visit her aunt.C. Read some books.3. What’s the relationship between the speakers?A. Mother and son.B. Boss and employee.C. Husband and wife.4. How much should the woman pay for her ice-creams?A. 2.5 dollars.B. 5 dollars.C. 3.75 dollars.5. How about the weather next week?A. Sunny.B. Cloudy.C. Rainy.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。
听每段对话或独白前，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。
每段对话或独白读两遍。
听第6段材料，回答第6、7题。
6. What is the woman truly looking forward to?A. The man’s birthday.B. Her golden birthday.C. Her brother? s birthday.7. What does the man think about “golden birthday”？A. Interesting.B. Dissatisfying.C. Disappointing.听第7段材料，回答第8至10题。
湖南省G10教育联盟2018届高三4月联考数学(理)试题Word版含解析
湖南G10教育联盟2018年4月高三联考理科数学一、选择题：本大题共12个小题,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.1. 已知集合，，则为（）A. B. C. D.【答案】B【解析】由题意可得：，.............................. ∴故选：B2. 已知复数（是虚数单位），则（）A. B. C. D.【答案】A【解析】∵=，∴，故选：A．3. 一个几何体的三视图如图所示，其中正视图和侧视图是腰长为1的两个全等的等腰直角三角形，若该几何体的所有顶点在同一球面上，则该球的表面积是（）A. B. C. D.【答案】C【解析】该几何体的直观图如图1所示，它是有一条侧棱垂直于底面的四棱锥．其中底面ABCD是边长为1的正方形，高为CC1=1，该几何体的所有顶点都是棱长为1的正方体的顶点，故几何体的外接球，即为棱长为1的正方体的外接球，故球的直径R满足：2R==，∴R=，∴球的表面积是4π×（）2=3π故选：C．点睛：空间几何体与球接、切问题的求解方法(1)求解球与棱柱、棱锥的接、切问题时，一般过球心及接、切点作截面，把空间问题转化为平面图形与圆的接、切问题，再利用平面几何知识寻找几何中元素间的关系求解．(2)若球面上四点P，A，B，C构成的三条线段PA，PB，PC两两互相垂直，且PA＝a，PB＝b，PC＝c，一般把有关元素“补形”成为一个球内接长方体，利用4R2＝a2＋b2＋c2求解．4. 天干地支纪年法源于中国，中国自古便有十天干与十二地支．十天干即甲、乙、丙、丁、戊、己、庚、辛、壬、癸；十二地支即子、丑、寅、卯、辰、巳、午、未、申、酉、戌、亥．天干地支纪年法是按顺序以一个天干和一个地支相配，排列起来，天干在前，地支在后，天干由“甲”起，地支由“子”起，例如，第一年为“甲子”，第二年为“乙丑”，第三年为“丙寅”，…，以此类推，排列到“癸酉”后，天干回到“甲”重新开始，即“甲戌”，“乙亥”，然后地支回到“子”重新开始，即“丙子”，以此类推．已知1949年为“己丑”年，那么到中华人民共和国成立80年时为（）年A. 丙酉B. 戊申C. 己申D. 己酉【答案】D【解析】天干是以10为构成的等差数列，地支是以12为公差的等差数列，从1949年到2029年经过80年，且1949年为“己丑”年，以1949年的天干和地支分别为首项，则80÷10=8，则2029的天干为己，80÷12=6余8，则2029的地支为酉，故选：D5. 下列说法正确的是（）A. “”是“”的充分不必要条件B. 命题“，”的否定是“，”C. 命题“若，则”的逆命题为真命题D. 命题“若，则或”为真命题【答案】D【解析】对于A，x=-1时，不能得出，∴充分性不成立，A错误；对于B，命题“∀x＞0，2x＞1”的否定是：“”，B错误；对于C，命题“若a≤b，则ac2≤bc2”的逆命题是：“若ac2≤bc2，则a≤b”是假命题，如c=0时，命题不成立；对于D，命题“若a+b≠5，则a≠2或b≠3”的逆否命题是：“若a=2且b=3，则a+b=5”是真命题，D正确．故选：D．6. 若的展开式中常数项为，则的值为（）A. B. C. 或 D. 或【答案】D【解析】∵（x+a）2=x2+2ax+a2∵展开式的通项为∴展开式的常数项为﹣C53+2aC54﹣a2∴﹣C53+2aC54﹣a2=﹣1解得a=1或9故选：D．7. 设函数，则下列命题正确的是（）A. 的图象关于直线对称B. 的图象关于点对称C. 的最小正周期为，且在上为增函数D. 把的图象向右平移个单位，得到一个偶函数的图象【答案】C【解析】试题分析：函数的周期为，当时，，因此在上递增．故C正确．考点：函数的性质．8. 我们可以用随机模拟的方法估计的值，如图程序框图表示其基本步骤（函数是产生随机数的函数，它能随机产生内的任何一个实数）．若输出的结果为521，则由此可估计的近似值为（）A. B. C. D.【答案】B【解析】发生的概率为，当输出结果为时，，发生的概率为，所以，即故选B.9. 已知定义在上的奇函数满足，当时，，则（）A. B.C. D.【答案】B【解析】由题意得，因为，则，所以函数表示以为周期的周期函数，又因为为奇函数，所以，所以，，，所以，故选B.10. 平行四边形中，，，，是平行四边形内一点，且，如，则的最大值为（）A. 1B. 2C. 3D. 4【答案】B【解析】∵，∴==9x2+4y2+2xy×3×2×（﹣）=（3x+2y）2﹣3•3x•2y≥（3x+2y）2﹣×（3x+2y）2=×（3x+2y）2；又=1，即×（3x+2y）2≤1，所以3x+2y≤2，当且仅当3x=2y，即x=，y=时，3x+2y取得最大值2．故选：B．11. 已知、是双曲线的左右焦点，过点与双曲线的一条渐近线平行的直线交双曲线另一条渐近线于点，若点在以线段为直径的圆外，则双曲线离心率的取值范围是（）A. B. C. D.【答案】A【解析】双曲线﹣=1的渐近线方程为y=x，不妨设过点F2与双曲线的一条渐过线平行的直线方程为y=（x﹣c），与y=﹣x联立，可得交点M（，﹣），∵点M在以线段F1F2为直径的圆外，∴|OM|＞|OF2|，即有+＞c2，∴＞3，即b2＞3a2，∴c2﹣a2＞3a2，即c＞2a．则e=＞2．∴双曲线离心率的取值范围是（2，+∞）．故选：A．点睛：解决椭圆和双曲线的离心率的求值及范围问题其关键就是确立一个关于a，b，c的方程或不等式，再根据a，b，c的关系消掉b得到a，c的关系式，建立关于a，b，c的方程或不等式，要充分利用椭圆和双曲线的几何性质、点的坐标的范围等.12. 已知函数，设关于的方程有个不同的实数解，则的所有可能的值为（）A. 3B. 1或3C. 4或6D. 3或4或6【答案】A【解析】在和上单增，上单减，又当时，时，故的图象大致为：令，则方程必有两个根，且，不仿设，当时，恰有，此时，有个根，，有个根，当时必有，此时无根，有个根，当时必有，此时有个根，，有个根，综上，对任意，方程均有个根，故选A.【方法点睛】已知函数零点(方程根)的个数，求参数取值范围的三种常用的方法：(1)直接法，直接根据题设条件构建关于参数的不等式，再通过解不等式确定参数范围；(2)分离参数法，先将参数分离，转化成求函数值域问题加以解决；(3)数形结合法，先对解析式变形，在同一平面直角坐标系中，画出函数的图象，然后数形结合求解．一是转化为两个函数的图象的交点个数问题，画出两个函数的图象，其交点的个数就是函数零点的个数，二是转化为的交点个数的图象的交点个数问题 .二、填空题（每题5分，满分20分，将答案填在答题纸上）13. 已知，，分别是内角，，的对边，，，，则__________．【答案】【解析】∵△ABC中，a=4，b=5，c=6，∴cosC==，∴sinC=，∴故答案为：14. 过抛物线的焦点的直线交该抛物线于，两点，若，则__________．【答案】【解析】试题分析：设点A在第一象限，根据焦半径公式,所以,,所以直线的斜率为，所以直线方程设为，与抛物线方程联立整理为，,所以,那么,故填：.考点：直线与抛物线的位置关系15. 已知约束条件表示的可行域为，其中，点，点，若与的最小值相等，则实数等于__________．【答案】2【解析】先根据约束条件画出可行域，设z1==，将z1的值转化可行域内的Q点与点P（0，﹣1）连线的斜率的值，当Q点在可行域内的B（a，3﹣a）时，斜率最小，最小值为=，设z2=3x﹣y，当z2=3x﹣y过点A（1，2）时3x0﹣y0的值最小，最小值为3×1﹣2=1，∵3x0﹣y0与的最小值相等，∴=1，解得a=2，故答案为：2点睛：本题考查的是线性规划问题，解决线性规划问题的实质是把代数问题几何化，即数形结合思想.需要注意的是：一，准确无误地作出可行域;二，画目标函数所对应的直线时，要注意让其斜率与约束条件中的直线的斜率进行比较，避免出错;三，一般情况下，目标函数的最大值或最小值会在可行域的端点或边界上取得.16. 已知，则__________．【答案】【解析】：cos（+α）=3sin（α+），∴﹣sinα=﹣3sin（α+），∴sinα=3sin（α+）=3sinαcos+3cosαsin=sinα+cosα，∴tanα=；又tan=tan（﹣）===2﹣，∴tan（+α）===2﹣4．故答案为：2﹣4．三、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. 设是数列的前项和，已知，．（1）求数列的通项公式；（2）设，求数列的前项和．【答案】（1）；（2）【解析】试题分析：（1）由的关系明确数列的通项公式；（2），利用并项法求出数列的前项和．试题解析：（1）∵，，∴当时，，得；当时，，∴当时，，即，又，∴是以为首项，为公比的等比数列．∴数列的通项公式为．（2）由（1）知，，，当为偶数时，；当为奇数时，，∴18. 某校高三年级有1000人，某次数学考试不同成绩段的人数．（1）求该校此次数学考试平均成绩；（2）计算得分超过141的人数；（3）甲同学每次数学考试进入年级前100名的概率是，若本学期有4次考试，表示进入前100名的次数，写出的分布列，并求期望与方差．【答案】（1）23；（2）见解析【解析】试题分析：（1）由不同成绩段的人数服从正态分布，可知平均成绩；（2），141分以上的人数为；（3）的取值范围为0,1,2,3,4，求出相应的概率值，得到分布列及期望与方差．试题解析：（1）由不同成绩段的人数服从正态分布，可知平均成绩.（2），故141分以上的人数为人．（3）的取值范围为0,1,2,3,4，，，，，，故的分布列为：期望，方差．点睛：求解离散型随机变量的数学期望的一般步骤为：第一步是“判断取值”，即判断随机变量的所有可能取值，以及取每个值所表示的意义；第二步是:“探求概率”，即利用排列组合、枚举法、概率公式（常见的有古典概型公式、几何概型公式、互斥事件的概率和公式、独立事件的概率积公式，以及对立事件的概率公式等），求出随机变量取每个值时的概率；第三步是“写分布列”，即按规范形式写出分布列，并注意用分布列的性质检验所求的分布列或事件的概率是否正确；第四步是“求期望值”，一般利用离散型随机变量的数学期望的定义求期望的值，对于有些实际问题中的随机变量，如果能够断定它服从某常见的典型分布(如二项分布X～B(n，p))，则此随机变量的期望可直接利用这种典型分布的期望公式(E(X)＝np)求得.19. 已知在直角梯形中，，，，将沿起至，使二面角为直角．（1）求证：平面平面；（2）若点满足，，当二面角为时，求的值.【答案】（1）见解析；（2）【解析】试题分析：（1）要证平面平面，转证平面即可；（2）建立空间直角坐标系计算平面的法向量，利用二面角为45°建立等量关系求出的值.试题解析：(1)梯形中，∵∴.又∵,∴,∴.∴.折起后，∵二面角为直角，∴平面平面.又平面平面,∴平面.又平面，∴.又∵,∴平面.又∵平面，∴平面平面.(2)由(1)知，平面，∴以为原点，方向分别为轴、轴、轴正方向，建立如图所示的空间直角坐标系.则,设，由,得，得.取线段的中点，连结，则,∵,∴.又∵,∴平面.∴平面的一个法向量为.设平面的一个法向量为，则取，则.∴，即或.∵，∴.20. 已知椭圆：的离心率为，短轴长为2．（1）求椭圆的标准方程；（2）若圆：的切线与曲线相交于、两点，线段的中点为，求的最大值．【答案】（1）；（2）【解析】试题分析:(1)待定系数法求椭圆方程;(2)借助韦达定理表示的最大值,利用二次函数求最值.试题解析:（I），所以,又，解得．所以椭圆的标准方程．（II）设，，，易知直线的斜率不为，则设．因为与圆相切，则，即；由消去，得，则，，，，即，，设，则，，当时等号成立，所以的最大值等于．21. ，，．（1）证明：存在唯一实数，使得直线和曲线相切；（2）若不等式有且只有两个整数解，求的范围．【答案】（1）见解析；（2）【解析】试题分析：（1）求出函数的导数，设切点为（x0，y0），得到+x0﹣2=0．设h（x）=e x+x﹣2，根据函数的单调性求出x0的值，判断结论即可；（2）根据a（x﹣）＜1，令，根据函数的单调性求出的最小值，通过讨论a的范围，求出满足条件的a的范围即可．试题解析：（1）设切点为，则，，①和相切，则，，②所以，即，令，，所以单增，又因为，，所以，存在唯一实数，使得，且，所以只存在唯一实数，使①②成立，即存在唯一实数使得和相切．（2）令，则，所以，令，则，由（Ⅰ）可知，在上单减，在单增，且，故当时，，当时，．当时，因为要求整数解，所以在时，，所以有无穷多整数解，舍去；当时，，又，，所以两个整数解为0,1，即所以，即；当时，，因为，在内大于或等于1，所以无整数解，舍去．综上，．22. 在直角坐标系中，直线（为参数），以原点为极点，轴正半轴为极轴建立极坐标系，曲线的极坐标方程为．（1）写出曲线的直角坐标方程；（2）已知点，直线与曲线相交于点、，求的值；【答案】（1）；（2）4【解析】试题分析：（1）根据x=ρcosθ，y=ρsinθ，求出曲线C的直角坐标方程即可；（2）先把直线方程化为标准形式，然后将直线l的方程带入曲线C的方程，借助韦达定理及t的几何意义求出+的值即可．试题解析：（1），即，即．（2）因为直线的参数方程为标准形式：（为参数），代入曲线的方程得，则．23. 已知函数，．（1）解不等式；（2）若对任意，都存在，使得成立，求实数的取值范围.【答案】（1）；（2）或【解析】试题分析：（1），得，进而得解；（2）由题意知，分别求值域即可.试题解析：（Ⅰ）由，得（Ⅱ）由题意知又所以或。
2018湖南普通高中学业水平考试英语版[含答案解析]
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WORD 资料 .可编辑机密★ 启用前2017 年湖南省普通高中学业水平考试英语本试题卷分听力技能、阅读技能、知识运用、写作技能四个部分，共 7 页。
时量 120 分钟。
满分 100 分。
第一部分听力技能 ( 共两节，满分20 分 )做题时，先将答案标在试卷上。
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 分，满分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。
每段对话读两遍。
例： How much is the shirt?A. ￡ 19.15.B. ￡ 9.18.C. ￡9.15.答案是 C。
听下面一段对话，回答第 1 小题。
1. What will the woman do this weekend?A. Go camping.B. Go swimming.C. Go fishing.听下面一段对话，回答第 2 小题。
2.W hat time did the woman get up?A. At 7:00.B. At 7:20.C. At 7:40.听下面一段对话，回答第 3 小题。
3.W hat is the weather like today?A. Sunny.B. Cloudy.C. Rainy.听下面一段对话，回答第 4 小题。
4. Why does the man look tired?A. He stayed up late.B. He didn ’ t sleep well.C. He worked too long.听下面一段对话，回答第 5 小题。
5. Where are the speakers now?A. In a bookshop.B. In a sports shop.C. In a coffee shop.第二节 ( 共 15 小题；每小题 1 分，满分 15 分)听下面 5 段对话或独白。
【英语】湖南师大附中2018届高三月考试卷(六)(教师版) 英语 含解析
湖南师大附中2018届高三月考试卷(六)英语命题人：王蔚蓝莫俐谭莎刘淑英黄赞甘智英张添尹一兵审题人：蒋向华杨美英罗毅本试题卷分为听力、阅读理解、英语知识运用和写作四个部分，共14页。
时量120分钟。
满分150分。
第一部分听力(共两节，满分30分)做题时，先将答案标在试卷上。
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。
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。
例： How much is the shirt?A．￡19.15. B．￡9.18. C．￡9.15.答案是C。
(C)1. What do we know about the woman?A. She didn't sleep well last night.B. She went to see a doctor.C. She slept very well last night.(C)2. How does the man usually go to school?A. By bus.B. By subway.C. On foot.(B)3. What does the man find difficult?A. Understanding the instructions.B. Putting together the folding table.C. Fixing a toy train.(A)4. Why is the girl upset?A. Her family is about to move.B. Her mother is out of work.C. She has no friends now.(A)5. What does the man mean?A. Most readers don't agree with him.B. The woman can't convince him.C. Few people read his article.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。
【高三英语试题精选】2018湖南省高考英语试卷答案解析
2018湖南省高考英语试卷答案解析绝密★启用前本试题卷分四个部分，共12页。
时量1mail address to debo@ner itingsouthPractise un der the guidance of some experienced writers and teachers who can help you with basic writing skills Most importantly, build confidence and have fun while writing!No previous experience or special background is required Many others have been successful this way If they can do it, why can’t you?Fee 179For more information go to newtownerorguk or generateorguk 58Applications for the Writer Squad should be e-mailed no later than _______A6 September, adolescent male student who believed that doing any more than necessary was wasted effort One day, this approach threme into embarrassmentIn Mrs Totten’s eighth-grade math class at Central Avenue School in Anderson, Indiana, we were learning to add and subtract decimals (小数)Our teacher typically assigned daily homework, which would be recited in class the following day On most days, our grades were based on our oral answer to homework questions Mrs Totten usually walked up and down the rows of desks requesting answers from student after student in the order the questions had appeared on our homework sheets She would start either at the front or the back of the classroom and work toward the other end。
湖南省G10教育联盟2018-2019学年高一下学期入学考试英语试题 PDF版含答案
湖南G10教育联盟2019年春季高一入学联考英语班级：__________ 姓名：____________ 准考证号：_____________（本试卷共10页，共四部分，全卷满分：150分，考试用时：120分钟）注意事项：1．答题前，先将自己的姓名、准考证号写在试题卷和答题卡上，并将准考证条形码粘贴在答题卡上的指定位置。
2．选择题的作答：每小题选出答案后，用2B铅笔把答题卡上相应题目的答案标号涂黑。
写在试题卷、草稿纸和答题卡上的非答题区域均无效。
3．非选择题的作答：用签字笔直接答在答题卡上对应的答题区域内，写在试题卷、草稿纸和答题卡上的非答题区域均无效。
4．考试结束后，将答题卡上交。
第一部分：听力（共两节，满分30分）第一节（共5小题：每小题1.5分，满分7.5分）请听下面5段对话，选出最佳选项。
1. How will the weather probably be this afternoon?A. Sunny.B. Rainy.C. Cloudy.2. What may the woman need to change?A. The handbag.B. The dress.C. The shoes.3. Where is the bank?A. On Cherry Lane.B. On Walnut Street.C. On Park Road.4. What are the speakers mainly talking about?A. A photo.B. A camera.C. A painter.5. What hair does James wear now?A. Long black hair.B. Short black hair.C. Short blonde hair.第二节(共15小题;每小题1.5分,满分22.5分)请听下面5段对话或独白,选出最佳选项请听第6段材料,回答第6、7题。
【英语】百校联盟2018届TOP20四月联考(全国Ⅰ卷)英语试题
第一部分听力（共两节，满分30分）做题时，先将答案标在试卷上。
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。
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. What is the distance between the hotel and the Temple?A. 14 kilometers.B. 40 kilometers.C. 14 miles.2. Why does the woman look happy?A. She has met the new manager.B. She has become the new manager.C. She has been praised by the manager.3. When will the speakers leave for the party?A. 6: 40.B. 6:30.C. 7:00.4. Why will the woman be homesick?A. The camp is too long.B. The camp is too hard for her.C. She can’t contact her family.5. Where may the dialogue take place?A. In a drinks shop.B. In a restaurant.C. In a supermarket.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。
听每段对话或独白前，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。
2018年湖南G10教育联盟4月高三联考数学(理)试题(图片版)
一、选择题：本大题共 12 小题，每小题 5 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．B【解析】因为 B=｛x|0<x 2} , 故 2．A【解析】∵ ∴ ，故选：A = 为{1,2} ，
3．C【解析】由三视图可知，该几何体是四棱锥 P －ABCD（如图） ，其中 底面 ABCD 是边长为 1 的正方形，PA ⊥底面 ABCD，且 PA ＝1， PC 为其外接球的直径，∴2R ＝PC＝ 3， 则球的表面积为 S＝4πR 2 ＝3π. 4．D【解析】 L 因为天干以十为周期，而地支以十二为周期，故建国 80 周年时为己酉年。 5．D【解析】选项 A：
1 1 0 x 1 ，所以“ x 1”是其必要不充分条件；选项 B：命 x
x0
题“ x 0 ，2 x 1 ”的否定是“ xo 0 ，2
2 2
1”；选项 C：命题“若 a b ，则 ac 2 bc 2 ”
的逆命题是“若 ac ≤bc ，则 a≤b ”，当 c 0 时，不成立；选项 D：其逆否命题为“若 a 2 且 b 3 ，则 a b 5 ”为真命题，故原命题为真，故选 D． 1 2 2 2 5 k k k 6．D【解析】由于（x＋a） ＝x ＋2ax＋a ，而（ －1） 的展开式通项为 Tk＋1 ＝（－1） C5 · x x
高三理科数学 第 1 页 共 9 页
在[0，
π π ]上为增函数，所以该命题正确；对于 D，把 f （x）的图象向右平移 个单位后所 12 12 π π ）＋ ]＝sin 2x，是奇函数，所以该命题错误 12 6
对应的函数为 g（x）＝sin[2（x－
2018年湖南省G10教育联盟4月高三联考语文试题-含答案
2018年湖南省G10教育联盟4月高三联考语文试题（本试卷共12页，22题，全卷满分：150分，考试用时：150分钟）注意事项：1．答题前，先将自己的姓名、准考证号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。
2．选择题的作答：每小题选出答案后，用2B铅笔把答题卡上相应题目的答案标号涂黑。
写在试题卷、草稿纸和答题卡上的非答题区域均无效。
3．非选择题的作答：用签字笔直接答在答题卡上对应的答题区域内，写在试题卷、草稿纸和答题卡上的非答题区域均无效。
4．考试结束后，将本试题卷和答题卷一并上交。
一、现代文阅读（35分）（一）论述类文本阅读（每小题3分，9分）阅读下面的文字，完成1-3题。
地质遗迹是指在地球演化的漫长地质历史时期由于内外动力的地质作用，形成、发展并遗留下来的不可再生的地质自然遗产。
重要的地质遗迹是宝贵的自然资源，是生态环境的重要组成部分，是影响生物多样性的基本要素。
国际上对地质遗迹保护工作十分重视，联合国教科文组织设立了专门的地质遗产工作组，负责全球地质遗产保护工作。
世界许多国家和地区对地质遗迹保护工作十分重视。
美国、加拿大、英国等经济发达国家的地质遗产的保护工作处于领先地位。
他们建立了完整的法规体系，采取了一系列行之有效的保护措施。
国际上对地质遗迹保护的通行做法大多是建立自然保护区和国家地质公园。
目的是将一些集稀有、珍贵、观赏价值并具重大科学价值为一体的地质遗产建成地质公园。
既为科学研究提供重要的场所，又作为科普教育基地，为促进地方旅游、贸易事业的发展创造机会，推动当地经济的发展，真正起到保护中开发，开发中保护的作用。
除了用于科研和大众的教育外，地质公园在促进当地可持续发展方面还具有很大的潜力，它可用来提供就业机会和开展与其专业主题有关的新经济活动。
随着世界地质遗产保护，特别是世界地质公园计划的实施，必将极大推动世界各国的地质遗迹保护工作的发展。
我国对地质遗迹的保护工作同样高度重视。
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第I卷第一部分听力(共两节，满分30分)做题时，先将答案标在试卷上, 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。
例：How much is the shirt?A. £19.5.B. £ 9.18.C. £ 9.15.答案是C。
1. What was the weather like when Beth was at the beach?A. Cloudy.B. Sunny.C. Rainy.2. What will the man do next Friday?A. Attend a party.B. Goon a business trip.C. E-mail the woman a report.3. What does Nick do?A. A website designer.B. A computer salesman.C.A school teacher.4. Where are the speakers?A. In the woman’s house.B. In a bookstore.C.In a restaurant.5. What are the speakers talking about?A. A restaurant.B. The man’s job.C.The man’s pay.第二节(共15 小题; 每小题1. 5 分，满分22. 25 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。
听每段对话或独白前，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。
每段对话或独白读两遍。
听第6段材料，回答第6、7题。
6. What is the woman’s opinion about the T-shirts?A. They are expensive.B. They are satisfying.C. They are ugly.7. What does the woman decide to do in the end?A. Have lunch.B. Go to another shop.C. Buy a cheaper T-shirt.听第7段材料，回答第8、9题。
8. Why did the man go to San Francisco on vacation?A. To meet a friend.B. To visit his sister.C. To tour a university.9. What did the woman do on her vacation?A. She studied at college.B. She did some shopping.C. She stayed with a friend.听第8段材料，回答第10至12题。
10. What is the relationship between the speakers?A. Teacher and student.B. Interviewer and interviewee.C. Colleagues.11. Where is the woman now?A. In Japan.B. In America.C. In Britain.12. What is the woman weak in?A. Computers.B. Languages.C.Organizing activities.听第9 段材料，回答第13 至16题。
13. What are the speakers talking about?A. Their spare time in the evenings.B. Their habits of going on the Internet.C. Disadvantages of going on the Internet.14. What does the woman spend most of her time doing online?A. Reading useless information.B. Carrying out research.C. Doing her homework.15. What does the woman think of the chat rooms online?A. Useful.B. Unreliable.C. Boring.16. What do the speakers decide to do together this evening?A. Finish their college work.B. Play computer games.C. Watch a film.听第10 段材料，回答第17 至20题。
17. When was the sweater bought?A. On September 25th.B. On October 12th.C.On October 25th.18. What is the speaker’s problem with he sweater?A. It was the wrong size.B. It was washed in a wrong way.C. It became out of shape.19. What does the speaker mainly complain about?A. The price.B. The service.C. The quality.20. Who is the speaker probably speaking to?A. A manager.B. A shop assistant.C. A member of the helpline staff.第二部分阅读理解(共两节，满分40分)第一节(共15 小题; 每小题2分，满分30分)阅读下列短文，从每题所给的四个选项(A、B、C、和D) 中，选出最佳选项，并在答题卡上将该项涂黑。
A2018 FIRST Robotics Competition Game—FIRST POWER UPSM The adventure begins on January 6, 2018. Play for real! Combining the excitement of sport with the rigors(严酷) of science and technology. We call FIRST Robotics Competition the ultimate Sport for the Mind. High-school student participants call it “the hardest fun you’ll ever have”.Team BasicsThe really cool thing about FIRST Robotics Competition is that all skill levels are welcomed and needed, technical or non-technical. Read more about team basics, time fame, commitment, and skills required.Cost & RegistrationWhat does it cost to participate? There are costs involved with forming a FIRST Robotics Competition team and they can vary from team to team and region to region depending on what level of participation the team chooses.Here are some basic cost standards:There are never any “per studen t” fees; all costs for individual team members are assumed by the team as a group.The annual fees for team registration, a robot kit of parts, and event participation are $5,000—$6,000. Additional costs for travel, food, team shirts and other optional items will vary.ScholarshipsA big advantage of participating in FIRST is gaining access to millions in college scholarships made available by colleges, universities, and corporations who support FIRST. This is exclusive financial help open only to FIRST team members, giving them a competitive leg up on other students seeking educational funds.21. What is really attractive about FIRST Robotics Competition?A. Competitors will ever have the hardest fun.B. Only high-level teams are welcomed.C. All skill levels are welcomed.D. It connects science with technology.22. How should the participants pay to attend FIRST Robotics Competition?A. All the participants should pay the same amount of money.B. The fees depend on the participants’ team levels and regions.C. There are no additional fees besides the basic cost.D. The participants should pay no more than $5,000.23. Who will get exclusive financial help?A. High school students.B. Students seeking educational funds.C. First team members.D. College students.BAwarding winning film Ballad From Tibet(《天籁梦想》)by Chinese director Zhang Wei is scheduled to premiere in New York City on Saturday, March 10.The film, which tells the story of four visually impaired kids from China’s Tibet autonomous region embarking on a journey for their dreams, will be presented at the Bronx Library Center on Saturday, at Mid-Manhattan Library on Sunday, at Lehman College and Marlene Meyerson JCC Manhattan on Tuesday, and at the Museum of Modern Art on Wednesday.Based on a true story, Ballad from Tibet is about the four Tibetan kids—Thupten, Sonam, Kelsang and Droma—achieving their dreams against all odds.Thupten is a 10-year-old boy partially sighted in one eye and blind in the other. His doctor says that there is a chance he could completely lose his sight, but there is an operation that could offer a 50 percent chance of saving his vision.His teacher firmly suggests that he should have the operation right away, but Thupten is afraid and wants to see the world before his life is plunged into totaldarkness.Along with his three friends who also suffer from blindness, Thupten embarks on an exciting adventure. Together they decide to go to Shenzhen in South China’s Guangdong province, a city more than 3,700 km away from Tibetan regional capital Lhasa.The reason for the children’s decision to go to Shenzhen is their love of music. They are all talented and want to sing their hearts out in front of national audience by participating in a Shenzhen-based reality show.The foursome’s trip is indeed fun, but also turns out t o be dangerous as well. Luckily, help is on band along the way in the form of a wandering family, a shepherd, a motorcycle club, and a TV producer’s assistant.Ballad From Tibet has won the award for Best Children’s Feature at the 13th China International Children’s Film Festival in November 2017, and earned nominations at 17 different international children’s film festivals in Germany, Canada, Japan, Greece, Australia and India.24. What does the underlined impaired in Paragraph 2 mean?A. damagedB. strengthenedC. short-sightedD. amazing25. Why do the four children in Ballad From Tibet choose Shenzhen as their destination?A. Their teacher advises them to go there to pursue their dream.B. They want to look for their parents there.C. They long to earn money there to support themselves.D. They want to take part in a Shenzhen-based reality show.26. What can we infer about Ballad From Tibet in the text?A. The teacher and the doctor are in favor of Thupten’s decision.B. The film is going to be shown in New York City for the first time.C. Not all the four children in the film have trouble in seeing things.D. The children get to their destination very smoothly.27. What does the author think of Ballad From Tibet?A. Successful.B. Negative.C. Awful.D. Surprising.CMore and more comment(评论) sections are being shut down online.Autumn Phillips had had enough. On August 19, the executive editor of the Quad-City Times in Iowa, and Illinois, US visited her website, qutimes. com, and saw a story about a man who had been shot to death. When she got to the readers’ comments section at the end, she was shocked by what she saw. Below the story was a growing string of comments—a racist remark about democratic(民主的) voters, a negative comment about po lice…So Phillips decided to do something she had been thinking about for a long time; she shut down the comment section.Phillips was not alone in making such a move. Last week, NPR announced it too was closing its online comments section. The decisions d on’t mean that the news outlets are no longer interested in what their audiences are thinking. Both stressed their eagerness to hear from readers and listeners on social networks. But both agreed that comments had deviated from their original intention. And so they had.In the early days of digital journalism, comments were seen as a key part of the new media, a wonderful opportunity for strengthening the dialogue between news producers and their audiences. It was a welcome change, given that for long many news organizations were far too separated from their readers. Much more back and forth conversation seemed like healthy and welcome evolutions. Sadly, that’s not the way things turned out. Rather than a place for exchanging ideas, comments sections became the home of ugly name-calling, racism and anti-women language. Besides their poisonous quality, comments seem out of place today.“Since we made the announcement, I’ve received an outpouring of responses from our readers,”she says. “I’ve heard from pare nts whose children were hurt by our online comments. I’ve heard from people who said they wouldn’t send in letters to the editor because they were attacked so fiercely by comments, and it wasn’t worthit.”28. Why did Autumn Phillips shut down the comments section?A. It was put to wrong use.B. Her website was attacked heavily.C. It exposed many illegal issues.D. A man had been shot to death.29. What does the underlined sentence in Paragraph 3 indicate about comments?A. They had gone out of date.B. They had gone against their initial purpose.C. They were full of sensitive information.D. They couldn’t interest the audience.30. What was the welcome change in the early digital journalism?A. Readers’ having more access to various media.B. Reade rs’ making fewer negative comments.C. Readers’ freedom to express their thoughts.D. Readers’ active involvement in the news industry.31. What is the best title of the passage?A. Stop hurting people online.B. Racists coming from nowhere.C. More comment sections closed online.D. A move by Autumn Phillips.DThe pursuit of longevity has long been on people’s minds, prompting an abundance of research on the effects of food and diet on the human lifespan. According to recent research from the UC Irvine Institute, drinking coffee and wine could help you live longer.The 90+Study evaluated more than 1,600 people over the age of90 for their lifestyle habits and other qualities that might have contributed to their longevity.Participants were visited every six months, when they were given various tests. Researchers also collected information about the participants’ diets, lifestyles,and medical histories.They found out that two of the habits that helped preserve lives the most are drinking alcohol and coffee. “I have no explanation for it,” admitted Dr Claudia Kawas, “But I do firmly believe that moderate(适度的) drinking improves longevity.” So should we all be drinking more coffee and wine? While that would be great news, he research may not be as definitive as it seems.“Most studies about alcohol consumption, including The 90+Study, are observational, so we can only say that something about drinking is associated with health and longevity,” registered dietitian Jennifer Markowitz told The Daily Me al.“I’d be curious to see if the coffee and alcohol drinkers shared other important habits or lifestyle factors that might also play into their longevity.”In other words, it might not be the wine and coffee that’s helping people live longer, but the two substances do have some considerable health benefits. “Wine and coffee are packed with antioxidants(抗氧化剂) which are known to protect our bodies from damage caused by free radicals,” explained registered dietitian Keri Gans to The Daily Meal. “Research on antioxidants has shown several health benefits, including the possibility they may lower the risk of type 2 diabetes, improve cognitive function, decrease the risk of dementia, and lower the risk of heart disease.”Moderate drinking can be beneficial according to other studies—so long as it’s moderate.32. What’s the passage mainly about?A. Antioxidants having a positive effect on the lifespan.B. The effects of food and diet on the human lifespan.C. Advocating drinking wine and coffee in our daily life.D. Moderate drinking helping people live longer.33. The information was collected about the participants in the 90+Study except .A. Food consumptionB. LifestyleC. HobbiesD. Medical history34. How can the wine and coffee benefit people’s health?A. They provide people with essential nutrition.B. They are rich in antioxidants.C. They protect free radicals in human bodies.D. They can bring relief to pain.35. What can we infer from the passage?A. Not all the people participating in the study are over 90.B. Most studies about alcohol consumption are based on observation.C. Over-drinking can also be beneficial according to other studies.D. Antioxidants can cure type 2 diabetes.第二节(共5 小题; 每小题2分，满分10分)根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。