2017年湖南省普通高中学业水平全真模拟考试试卷

2017年湖南省普通高中学业水平全真模拟考试试卷化学本试卷包括必做题和选做题两部分,共6页时量60分钟,满分100分可能用到的相对原子质量:H 1 C 12 N 14 Na 23 Cl 35.5 Br 80第一部分必做题(80分)一、选择题:本题包括22小题,每小题2分,共44分,在第小题给出的四个选项中,只有一项是符合题目要求的。

1.铀元素有多种同位素,其中23592U的质量数是()A.51 B.92 C.143 D.2352.关于苯的说法正确的是()A.能发生取代反应B.密度比水大C.分子中存在单双键交替结构D.能与水互溶3.下列的试剂中,标签上应标注图1标志的是()A.汽油B.浓硫酸C.高锰酸钾D.酒精4.环境保护与人类生产、生活息息相关。

下列做法不利于环境保护的是()A.开发利用氢能源B.大力发展公共交通C.大量使用燃煤D.推广太阳能热水器5.下列物质中,可用于制作太阳能电池的是()A.Si B.SiO2 C.H2SiO3D.Na2SiO36.下列有机物中,存在同分异构体的是()A.CH4B.CH3CH3C.CH3CH2CH3 D.CH3CH2CH2CH37.下列钠的化合物中,可用于呼吸面具作为O2来源的是()A.Na2O B.Na2O2C.NaCl D.Na2CO38.下列物质中,属于高分子化合物的是()A.蛋白质B.油脂C.葡萄糖D.蔗糖9.下列试剂中,能用于鉴别甲烷和乙烯的是()A.水B.稀硫酸C.氢氧化钠溶液D.酸性高锰酸钾溶液10.氢气在氯气中燃烧生成氯化氢,同时产生苍白色火焰,下列说法正确的是()A.该反应是放热反应B.该反应是吸热反应C.断裂H-H键放出热量D.形成H-Cl键吸收能量11.下列气体中,在实验室能用图2所示的装置抽取并收集的是()A.H2B.NH3C.O2 D.CO212.下列物质中,不能与盐酸反应的是()A.Al B.Al2O3C.Al(OH)3 D.AlCl313.已知CH2=CH2 + H2O 3CH2OH,该反应的反应类型是()A.取代反应B.加成反应C.酯化反应D.氧化反应14.向某密闭容器中充入1mol N2和3molH2,一定条件下发生反应N2(g) + 3H2(g) → 2NH3(g),达到化学平衡时,下列说法正确的是()A.反应停止了B.正逆反应速率相等C.N2的浓度为0 D.H2的转化率为100%15.铁元素在地壳中的含量丰富。

关于铁及其化合物的说法错误的是()A.钢属于铁合金B.Fe2O3常用作红色油漆的原料C.Fe(OH)3易溶于水D.Fe3O4是具有磁性的黑色晶体16.下列各组中的离子,能在溶液中大量共存的是()A.Ag+、Cl-B.H+、CO32-C.Na+、NO3-D.Cu2+、OH-17.煤气化时的主要反应为C(s)+H2O(g) →CO(g)+H2(g)。

关于该反应的叙述错误的是()A.C的化合价升高B.属于氧化还原反应C.属于置换反应D.H2O作还原剂18.下列应用中,与胶体性质有关的是()A.漂白粉消毒B.食盐调味C.明矾净水D.海水晒盐19.下列离子方程式中,正确的是()A.铁粉溶于稀硫酸:Fe + 6H+ = Fe3+ + 3H2↑B.氯化铁溶液腐蚀铜片:Fe3+ + Cu = Fe2+ + Cu2+C.钠与水反应:Na + H2O = Na+ + OH- + H2↑D.碳酸钙与盐酸反应:CaCO3 + 2H+ = Ca2+ + H2O + CO2↑20.图3为氢氧燃料电池的装置示意图,下列说法正确的是()A.该装置能将化学能转化为电能B.能入氧气的电极为负极C.电子由电极B经导线流向电极A D.正极反应式为:H2– 2e- = 2H+21.关于1L 1mol/L Na2SO4溶液,下列说法正确的是(N A表示阿伏加德罗常数的值)A.Na+的数目为N A B.溶液中Na+质量为23gC.SO42-的物质的量浓度为1mol/L D.SO42-物质的量浓度为2mol22.医用酒精是常用语的消毒剂,它属于()A.纯净物B.混合物C.酸D.碱请将选择题答案填在下表中二、填空题:本题包括4小题,每空2分,共26分。

23.(6分)请根据物质在生产、生活等方面的应用填空:(1)厨房里常使用小苏打,向其水溶液中滴加酚酞溶液后,溶液呈(填“无”或“浅红”)色;(2)检验某补铁剂中的Fe2+是否被氧化成Fe3+,可用(填“KSCN”或“H2SO4”)溶液;(3)铝制餐具不宜长时间存放酸性、碱性食物,但常温下铝制容器可以盛装(填“浓硫酸”或“浓盐酸”)。

24.(6分)生活中,有机化合物随处可见。

请根据题意填空:(1)炒菜时,加入酒和醋能使菜味香可口,原因是酒和醋反应生成了(填“酯”或“盐”);未成熟的苹果肉遇碘酒变(填“蓝”或“红”)色;淀粉和纤维素(填“是”或“不是”)同分异构体(2)乙酸的官能团是(3)聚乙烯制品用途很广。

请完成由乙烯制取聚乙烯的化学方程式:。

25.(6分)氧化物X、单质Y都能对大气造成污染。

已知X是红棕色气体,能与水反应;Y是黄绿色气体,能使湿润的有色布条褪色。

请回答下列问题:(1)X的化学式为;X与水反应生成NO和一种酸,该酸的名称为;(2)Y能使湿润的有色布条褪色,说明Y的水溶液具有(填“漂白”或“酸”)性。

26.(8分)下表是元素周期表的一部分,除标出的元素外,表中的每个编号代表一种元素。

请根据要求回答问题:(1)○④的原子序数是;(2)○⑤的原子结构示意图是;(3)○②和○③两种元素的非金属性强弱关系是:○②○③(填“>”、“<”或“=”);(4)○①和○⑥两种元素组成的化合物中含有的化学键是(填“共价”或“离子”)键。

实验题:本题包括1小题,每空2分,共10分。

27.(10分)海洋约占地球表面积的71%,具有巨大的开发潜力。

●.海水淡化的方法主要有蒸馏法、电渗法和离子交换法等。

图4为海水蒸馏原理示意图,请回答下列问题:(1)冷却水的进水口(填“a”或“b”);●.目前,从海水提取的溴占世界溴年产量的三分之一左右,空气吹出法是工业规模海水提溴的常用方法。

其中一种工艺流程为:Ⅰ水浓缩,酸化;Ⅱ通入Cl2,使Br—转化为Br2;Ⅲ通入空气、水蒸气,将Br2吹入吸收塔,与吸收剂SO2反应转化为HBr;Ⅳ通入Cl2,再经过一系列处理得到产品Br2。

请回答下列问题:(2)①步骤Ⅱ、Ⅲ操作的目的是(填“富集溴”或“萃取溴”);②步骤Ⅱ中Cl2做(填“氧化剂”或“还原剂”)(3)在步骤Ⅲ中,生成HBr的化学方程式是;(4)在步骤Ⅱ中,若通入22.4LCl2(标准状况),理论上可得Br2g。

第二部分选做题(20分)四、选做题:请选修《化学与生活》的考生做第28题,选修《化学反应原理》的考生做第29题,并用2B铅笔在答题卡上相应位置填涂。

注意所做题目的题号必须与所涂题目的题号一致,在答题卡选答区域指定位置答题。

28、本题为《化学与生活(选修1)》选做题,每空2分,共20分。

(1)保持营养平衡、合理使用药物,有利于人体健康。

现有下列四种物质:A.葡萄糖B.氨基酸C.青霉素请根据题意,选择恰当的选项,用字母代号填空。

①蛋白质水解的最终产物是;②人体内重要的供能物质,能发生银镜反应的是;③能阻止多种细菌生长,使用前要进行皮肤敏感实验的是;(2)化学式材料科学发展的基础,合理使用材料有利于人类的生产和生活。

请根据题意,选择恰当的选项,用字母代号填空。

①、光导纤维被称为信息高速公路的骨架,其主要成分是:A.硅B.二氧化硅C.硅酸②、塑料、合成纤维和合成橡胶是人们常说的三大合成材料。

我国航天服外层是用一种特殊的高强度涤纶制成的。

涤纶属于:A.塑料B.合成纤维C.合成橡胶③、钢铁在潮湿的空气中容易发生电化学腐蚀,其负极反应为:A.Fe - 2e-= Fe2+B.O2+2H2O + 4e- = 4OH-C.2H++2e-=H2↑④、下列物质中不属于合金的是:A.硬铝B.黄铜C.水银(3)防治环境污染,改善生态环境,已成为全球共识。

①、酸雨是指pH小于5.6的降水,下列汽油排放的是(填字母代号)A.CO2B.CH4C.SO2②、废塑料制品造成的“白色污染”已成为社会一大公害,下列治理“白色污染”的方法中,不可取的是(填字母代号)A.焚烧废塑料B.减少使用塑料C.回收和再利用废塑料③、使用重金属离子超标的水,会危害人体健康,利用沉淀反应可以除去水中的重金属离子。

例如,向含有Hg2+的废水中Na2S含有Hg2+沉淀而出去。

请写出该反应的离子该反应的离子方程式29.本题为《化学反应原理》(选修4,每空2分,共20分)(1)800℃,向某恒容密闭容器中充入反应物A,发生反应2A(g)=2B(g)+C(g) △H<0。

已知A的浓度随时间的变化如下:请回答下列问题:①10-20min内,A的平均反应速率为mol/(L.min);不能说明该反应达到化学平衡状态的是(填字母代号);A.容器内气体密度不再变化B.容器内气体密度不再变化C.容器内气体的压强不再变化②800℃时,平衡常数K= ;若温度将为600℃,其平衡常数K将(填“增大”、“减小”、或“不变”)。

③反应达到平衡后,降低温度,化学反应速率(填“加快”、“减慢”、或“不变”)(2)如图5所示,闭合S后不久,可观察到滤纸a端附近呈蓝色,则:1、滤纸b端与电源(填“正极”或“负极”)相连;2、滤纸a端发生的电极反应式为(3)、①甲醇是可再生能源,其燃烧热为726.5kJ·mol-1。

下列能正确表示甲醇燃烧的热化学方程式的是(填字母代号)。

A.CH3OH(l)+32 O2(g)=CO2(g)+2H2O(l) △H=+726.5kJ·mol-1B.CH3OH(l)+32 O2(g)=CO2(g)+2H2O(l) △H=—726.5kJ·mol-1C.CH3OH+32 O2=CO2+2H2O △H=—726.5kJ·mol-1②、(NH4)2SO4是一种重要的氮肥,长期施用会使土壤酸化,其原因是(用离子方程式表示)③已知在25℃:AgCl(s)→Ag+(aq)+Cl-(aq) Ksp=1.8×10-10Ag2S(s)→2Ag+(aq)+S2-(aq) Ksp=6.3×10-50向和浓度均为0.001mol/L的混合溶液中,逐滴加入AgNO3溶液,最先产生的沉淀是(填“AgCl”或“Ag2S”)。

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湖南省2017年普通高中学业水平考试模拟试卷二(附中版)英语试题 (1)

湖南省2017年普通高中学业水平考试模拟试卷二(附中版)英语试题 (1)

试卷第1页,共9页绝密★启用前湖南省2017年普通高中学业水平考试模拟试卷二(附中版)英语试题试卷副标题考试范围:xxx ;考试时间:27分钟;命题人:xxx学校:___________姓名:___________班级:___________考号:___________注意事项.1.答题前填写好自己的姓名、班级、考号等信息 2.请将答案正确填写在答题卡上第I 卷(选择题)一、阅读理解(题型注释)When Ronald Reagan, who was President of the USA from 1982 to 1989, died in 2004, many people remembered his good sense of humor. Reagan enjoyed a good joke and often made fun of himself. He was very old, almost 70 years of age, when he became President of the USA. Because of this, people often joked about his age. Once, during a meeting, President Reagan was complaining about some reporters who said that he could not hear very well. He wanted to prove that he was healthy and could hear well, so he took out his hearing aid, and said to the people at the meeting, “Say something.” One man pretended to speak. He moved his mouth and made movements with his hands. Everyone thought Reagan would be angry, but he laughed and listened for a very long time.President Reagan not only enjoyed a good joke when he was relaxing, but he also liked to joke during serious situations. In 1981, he had a shot accident. At the hospital, he joked to the doctors that he hoped they supported him in the government and would let him alive. He was试卷第2页,共9页able to keep his sense of humor even when he was hurt. 1、Ronald Reagan was ______in the year 1985. A .a reporter B .an actor C .a doctorD .a president2、The reason why people joked about Reagan's age was that______. A .he became President of the USA at the age of almost 70 B .he was not old enough to be President of the USA C .he could not live a normal life at his age D .he lacked a sense of humor at his age3、During a meeting, Reagan took out his hearing aid to prove ______. A .there was something wrong with his ears B .he was able to make a good speech C .he was healthy enough to hear well D .he had a good sense of humor4、What sent Ronald Reagan to hospital in 1981? A .His poor hearing. B .His accident. C .His overwork.D .His illness.The Mayan Indians lived in Mexico for thousands of years. The Maya were so bright that they achieved a lot. They had farms, temples and cities with many buildings. They knew much about nature and the world around them. This knowledge helped them to live a better life than most people of that time.In ancient Mexico there were many small clearings in the forest. In each clearing was a village with fields of crops around it. The Maya planted seeds after they cleared the land. A farmer was able to grow crops that produced for several people. But not every Maya had to be a farmer. Some were builders or priests (祭司).The Maya believed in many gods. They built large temples to honor them. Skillful workers built cities around these temples. It was difficult because they had to carry all of the building materials themselves. Today, many of these ancient Mayan cities and temples are still standing. Although the Maya worked hard to build the beautiful cities, very few of them lived in them. Usually, only the priests lived in the cities. The other people lived in small villages in the forests. Their houses were much simpler. Most Maya lived a simple life close to nature.试卷第3页,共9页Around the year 800, the Maya left their villages and beautiful cities, never to return. No one knows why this happened. They may have died from a deadly disease. They may have left because the soil could no longer grow crops. The lost secrets of the Maya are still beyond the reach of modern people. They are still one of our greatest mysteries. 5、The Maya lived better than most people of their times because ______. A .they had skillful workers B .they believed in many gods C .they knew better about nature D .they could measure time correctly6、It can be inferred from the passage that ______. A .the priests were not highly respected by the ancient Maya B .the ancient Mayan cities and temples were well built C .the ancient Mayan people led a happy life in the cities D .the ancient Mayan people died from a serious disease7、The underlined word “They” in the last pa ragraph refers to ______. A .the Mayan people B .the Mayan villages C .the Mayan citiesD .the lost secrets of the Maya8、Which of the following would be the best title for this passage? A .The Cities of the Maya B .The Belief of the Maya C .The MayaD .The Buildings of the MayaEVENTSBicycle tour and raceA bike tour and race will be held on August 26 and 27 (Sat. & Sun.). At 5:30 a .m., the riders will leave Tian'anmen Square and ride the first 35 kilometers as a training leg. Then the next 55 kilometers leg,from Yanjiao to Jixian, will be the first competitive part of the tour. The riders and their bikes will then be taken from Jixian to Changli.The second racing leg of the tour will be from Changli to the seaside of Nandaihe, covering a distance of 20 kilometers. Saturday night includes the stay at Nandaihe and supper. Sunday morning is free for playing at the seaside. At noon all the people and their bikes will be taken back to Beijing. Cost: 200 yuan Telephone: 84675027 Rock climbing试卷第4页,共9页The Third National Rock Climbing Competition will be held on August 26-27 at the Huairou Mountain-climbing Training Base. More than 10 teams from Beijing, Wuhan, Dalian, Jilin and other places will take part in it. A Japanese team will give an exhibition climbing. Free for spectators(观众).Time/Date: 9—12 a .m. August 26—27 Telephone: 87143177, 87144850, Wang Zhenghua9、If you take part in the bike tour, you will ride ______ kilometers. A .35 B .55 C .75D .11010、The underlined word “leg” in the first paragraph probably means “______”. A .raceB .practiceC .part of the trainingD .part of the tour11、What is special about the rock climbing competition? A .A foreign team takes part in it. B .You can watch it without paying.C .You don't have to be a sportsman to take part in it.D .The bus trip to the place of competition is free.12、Which telephone number(s) will you call, if you want to know more about the Third National Rock Climbing Competition? A .Both 84675027 and 87143177. B .Both 87144850 and 84675027. C .Either 87143177 or 87144850.D .84675027.二、完形填空(题型注释)Dear Ms Cai ,Thank you for your presentation about virtual reality. We were amazed by RealCine's achievement in ______ users to experience the Himalayas, without ever having to go there. Certainly, no one using it for fun and games will be ______. However, in many ways virtual reality seems more like a toy rather than a useful ______. In this case, we would like you to further ______ how we can use this in urban planning. We are not very ______ as to whether an operator will be able to use RealCine easily.试卷第5页,共9页We are concerned about the price, as well. You put forward the idea that we will save ______ if we use RealCine. This may be true in the long term. ______, the cost of building a VR studio is quite high, and this seems like a real ______. Please send us more information on the daily costs and on how much time a design usually ______ using RealCine. Otherwise, we cannot go forward.While we are very interested in RealCine, we will need much more information before we can make a ______. 13、 A .forbiddingB .allowingC .stoppingD .asking 14、 A .embarrassedB .excitedC .disappointedD .delighted 15、 A .technologyB .bookC .knowledgeD .computer 16、 A .explainB .guessC .decideD .include 17、 A .interestedB .worriedC .frightenedD .confident 18、 A .lifeB .moneyC .faceD .trouble 19、 A .SoB .BesidesC .HoweverD .Also 20、 A .disadvantageB .dangerC .reasonD .chance 21、 A .spendsB .takesC .paysD .devotes 22、 A .mistakeB .differenceC .decisionD .living试卷第6页,共9页第II 卷(非选择题)三、单句改错(题型注释)下列句子中各有一处语言错误,请把错误改正,其他部分不得改动。

湖南省2017年普通高中学业水平考试模拟(一中版)英语试

湖南省2017年普通高中学业水平考试模拟(一中版)英语试

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)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 is the man looking for?A. A bookB. His iPhone.C. A pay phone.听下面一段对话,回答第2小题。

2. Where is the woman going next?A. To a snack bar.B. To a movie theater.C. To her friend Simon’s house.听下面一段对话,回答第3小题。

3. What will the man do next?A. Fill out another form.B. Correct his mistake on the form.C. Tell the woman his medical history.听下面一段对话,回答第4小题。

4. When will the man most likely get home?A. At 7:00.B. At about 7:30.C. After 8:00.听下面一段对话,回答第5小题。

5. Where does the conversation probably take place?A. On a farm.B. At a fruit market.C. At customs.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。

2017年湖南省普通高中学业水平考试模拟试卷一数学试题

2017年湖南省普通高中学业水平考试模拟试卷一数学试题

2017年湖南省普通高中学业水平考试模拟试卷一数学试题本试题卷包括选择题、填空题和解答题三部分,共4页.时量120分钟,满分100分. 一、选择题:本大题共15小题,每小题3分,共45分.1.已知全集U ={1,2,3,4,5,6},集合A ={}1, 3, 4,6,B ={}2, 4, 5,6,则A ∩∁U B 等于A.{}1, 3B.{}2, 5C.{}4 D . 2.函数f (x )=sin ⎪⎭⎫⎝⎛-x 4π的一个单调增区间为 A.⎝ ⎛⎭⎪⎫3π4,7π4 B.⎝ ⎛⎭⎪⎫-π4,3π4 C.⎝ ⎛⎭⎪⎫-π2,π2 D.⎝ ⎛⎭⎪⎫-3π4,π43.如图是某几何体的三视图,则该几何体的体积为A .9π+42B .36π+18C.92π+12D.92π+184.已知直线l 1:()m +2x -()m -2y +2=0,直线l 2:3x +my -1=0,且l 1⊥l 2,则m 等于 A .-1 B. 6或-1 C. -6 D. -6或15.已知{}a n 是等比数列,前n 项和为S n ,a 2=2,a 5=14,则S 5=A.132B.314C.334D.10186.已知向量a =(1,k ),b =(2,1),若a 与b 的夹角大小为90°,则实数k 的值为A .-12 B.12C .-2D .27.设变量x ,y 满足约束条件⎩⎪⎨⎪⎧x +2y -5≤0x -y -2≤0x ≥0,则目标函数z =2x +3y +1的最大值为A .11B .10C .9D .8.58.根据表格中的数据,可以判定方程e x -x -2=0的一个根所在的区间为A.(-1,0) B .(0,9.已知偶函数f (x)在区间[0,+∞)上的解析式为f (x )=x +1,下列大小关系正确的是 A .f (1)>f (2) B .f (1)>f (-2) C .f (-1)>f (-2) D .f (-1)<f (2)10.sin 75°cos 30°-cos 75°sin 150°的值为A .1 B.12 C.22 D.3211.执行如图所示的程序框图,若输出的S 为4,则输入的x 应为 A .-2B .16C .-2或8D .-2或1612.甲、乙两人玩猜数字游戏,先由甲心中想一个数字,记为a ,再由乙猜甲刚才所想的数字,把乙猜想的数字记为b ,其中a ,b ∈⎭⎬⎫{1,2,3,4,5,6,若|a -b |≤1,则称甲乙“心有灵犀”.现任意找两人玩这个游戏,则他们“心有灵犀”的概率为A.19B.29C. 718D.4913.一个单位有职工800人,其中具有高级职称的160人,具有中级职称的320人,具有初级职称的200人,其余人员120人.为了解职工收入情况,决定采用分层抽样的方法,从中抽取容量为40的样本.则从上述各层中依次抽取的人数分别是A .12,24,15,9B .9,12,12,7C .8,15,12,5D .8,16,10,614.为了解某社区居民的家庭年收入与年支出的关系,随机调查了该社区5户家庭,得到如下统计数据表:根据上表可得回归直线方程y =b x +a ,其中b =0.76,a =y -b x .据此估计,该社区一户年收入为15万元家庭的年支出为A .11.4万元B .11.8万元C .12.0万元D .12.2万元15.如图,在菱形ABCD 中,∠BAD =60°,线段AD ,BD 的中点分别为E ,F .现将△ABD 沿对角线BD 翻折,则异面直线BE 与CF 所成角的取值范围是A.⎝ ⎛⎭⎪⎫π6,π3B.⎝ ⎛⎦⎥⎤π6,π2C.⎝ ⎛⎦⎥⎤π3,π2D.⎝ ⎛⎭⎪⎫π3,2π3 二、填空题:本大题共5小题,每小题3分,共15分.16.在数列{a n }(n ∈N *)中,设a 1=a 2=1,a 3=2,若数列⎩⎨⎧⎭⎬⎫a n +1a n 是等差数列,则a 6=________. 17.若函数f (x )=x +1x -2(x >2)在x =a 处有最小值,则a =________.18.已知α,β∈⎝ ⎛⎭⎪⎫0,π2,cos α=17,cos(α+β)=-1114,则β= ________.19.已知钝角△ABC 的面积为23,AB =2,BC =4,则该三角形的外接圆半径为________.20.已知f (x )=⎩⎪⎨⎪⎧0(x >0)-1(x =0)2x -3(x <0),则f {f [f (5)]}=________.三、解答题:本大题共5小题,共40分. 21.(本小题满分6分)已知函数f (x )=log 21+x1-x ,x ∈(-1,1).(Ⅰ)判断f (x )的奇偶性,并证明;(Ⅱ)判断f (x )在(-1,1)上的单调性,并证明.22.(本小题满分8分)一个均匀的正四面体的四个面上分别涂有1,2,3,4四个数字,现随机投掷两次,正四面体面朝下的数字分别为b ,c .(Ⅰ)若直线l :x +y -5=0,求点P (b ,c )恰好在直线l 上的概率;(Ⅱ)若方程x 2-bx -c =0至少有一个根属于集合{1,2,3,4},就称该方程为“漂亮方程”,求方程为“漂亮方程”的概率.23.(本小题满分8分)如图,在四棱锥S-ABCD中,底面ABCD是菱形,SA⊥底面ABCD,M为SA的中点,N为CD的中点.(Ⅰ)证明:平面SBD⊥平面SAC.(Ⅱ)证明:直线MN∥平面SBC.24.(本小题满分8分)已知数列{a n}满足a1=2,a n+1=a n+2,其中n∈N*.(Ⅰ)写出a2,a3及a n;(Ⅱ)记数列{a n}的前n项和为S n,设T n=1S1+1S2+…+1S n,试判断T n与1的关系;(Ⅲ)对于(Ⅱ)中S n,不等式S n·S n-1+4S n-λ(n+1)S n-1≥0对任意的大于1的整数n恒成立,求实数λ的取值范围.25.(本小题满分10分)已知直线x+y-2=0被圆C:x2+y2=r2所截得的弦长为8.(Ⅰ)求圆C的方程;(Ⅱ)若直线l与圆C切于点P,当直线l与x轴正半轴、y轴正半轴围成的三角形面积最小时,求点P的坐标.附加题:(附加题不记入总分)1.(本小题满分12分)已知定点A(0,1),B(0,-1),C(1,0).动点P满足:AP→·BP→=k|PC→|2.(Ⅰ)求动点P的轨迹方程,并说明方程表示的曲线类型;(Ⅱ)当k=2时,求|2AP→+BP→|的最大、最小值.2.(本小题满分12分)已知数列{}a n,{}b n都是单调递增数列,若将这两个数列的项按由小到大的顺序排成一列(相同的项视为一项),则得到一个新数列{}c n.(Ⅰ)设数列{}a n、{}b n分别为等差、等比数列,若a1=b1=1,a2=b3,a6=b5,求c20;(Ⅱ)设{}a n的首项为1,各项为正整数,b n=3n,若新数列{}c n是等差数列,求数列{}c n的前n 项和S n;(Ⅲ)设b n=q n-1(q是不小于2的正整数),c1=b1,是否存在等差数列{}a n,使得对任意的n∈N*,在b n与b n+1之间数列{}a n的项数总是b n?若存在,请给出一个满足题意的等差数列{}a n;若不存在,请说明理由.)数学参考答案一、选择题:本大题共15小题,每小题3分,共45分.13.D 【解析】因为40800=120,故各层中依次抽取的人数分别是16020=8,32020=16,20020=10,12020=6. 14.B 【解析】由题意知,x =8.2+8.6+10.0+11.3+11.95=10,y =6.2+7.5+8.0+8.5+9.85=8,∴=8-0.76×10=0.4,∴当x =15时,=0.76×15+0.4=11.8(万元). 二、填空题:本大题共5小题,每小题3分,共15分. 16.120 17.318.π3 【解析】由已知,sin α=437,sin(α+β)=5314,可求cos β=cos[(α+β)-α]=12,所以β=π3.19.221320.-5三、解答题:本大题共5小题,共40分.21.【解析】(Ⅰ)证明:f (-x )=log 21+(-x )1-(-x )=log 21-x1+x=log 2⎝ ⎛⎭⎪⎫1+x 1-x -1=-log 21+x1-x =-f (x ), 又x ∈(-1,1),所以函数f (x )是奇函数.(3分) (Ⅱ)设-1<x 1<x 2<1,f (x 2)-f (x 1)=log 21+x 21-x 2-log 21+x 11-x 1=log 2(1-x 1)(1+x 2)(1+x 1)(1-x 2)因为1-x 1>1-x 2>0;1+x 2>1+x 1>0所以(1-x 1)(1+x 2)(1+x 1)(1-x 2)>1,所以log 2(1-x 1)(1+x 2)(1+x 1)(1-x 2)>0所以函数f (x )=log 21+x 1-x在(-1,1)上是增函数.(6分)22.【解析】(Ⅰ)因为是投掷两次,因此基本事件(b ,c )为(1,1),(1,2),(1,3),(1,4),(2,1),(2,2),(2,3),(2,4),(3,1),(3,2),(3,3),(3,4),(4,1),(4,2),(4,3),(4,4),共16个,(1分)当b +c =5时,(b ,c )的所有取值为(1,4),(2,3),(3,2),(4,1),(2分) 所以所求概率为P 1=416=14.(3分)(Ⅱ)①若方程一根为x =1,则1-b -c =0,即b +c =1,不成立.②若方程一根为x =2,则4-2b -c =0,即2b +c =4,所以⎩⎪⎨⎪⎧b =1,c =2.③若方程一根为x =3,则9-3b -c =0,即3b +c =9,所以⎩⎪⎨⎪⎧b =2,c =3.④若方程一根为x =4,则16-4b -c =0,即4b +c =16,所以⎩⎪⎨⎪⎧b =3,c =4.由①②③④知,(b ,c )的所有可能取值为(1,2),(2,3),(3,4),所以方程为“漂亮方程”的概率为P 2=316.(8分)23.【解析】证明:(Ⅰ)∵底面ABCD 是菱形, ∴BD ⊥AC ,∵SA ⊥底面ABCD ,∴BD ⊥SA , ∵SA 与AC 交于A, ∴BD ⊥平面SAC ,∵BD 平面SBD ,∴平面SBD ⊥平面SAC .(4分) (Ⅱ)取SB 中点E ,连接ME ,CE,∵M 为SA 中点,∴ME ∥AB 且ME =12AB ,又∵ABCD 是菱形,N 为CD 的中点, ∴CN ∥AB 且CN =12CD =12AB ,∴CN ∥EM ,且CN =EM,∴四边形CNME 是平行四边形, ∴MN ∥CE ,又MN 平面SBC, CE 平面SBC ,∴直线MN ∥平面SBC .(8分) 24.【解析】(Ⅰ) 依题可得a 2=a 1+2=4,a 3=a 2+2=6, 依题可得{a n }是公差为2的等差数列,∴a n =2n .(2分) (Ⅱ) ∵ S n =n (n +1),∴1S n =1n (n +1)=1n -1n +1,∴T n =⎝ ⎛⎭⎪⎫1-12+⎝ ⎛⎭⎪⎫12-13+…+⎝ ⎛⎭⎪⎫1n -1n +1=1-1n +1<1.(5分)(Ⅲ)依题可得n (n +1)·(n -1)n +4n (n +1)-λ(n +1)(n -1)n ≥0, 即(n -1)n +4-λ(n -1)≥0, 即λ≤n +4n -1对大于1的整数n 恒成立,又n +4n -1=n -1+4n -1+1≥5,当且仅当n =3时,n +4n -1取最小值5, 所以λ的取值范围是(-∞,5].(8分)25.【解析】(Ⅰ)因为圆C 的圆心到直线x +y -2=0的距离为d =|0+0-2|12+12=2,(1分)所以r2=d 2+(82)2=(2)2+42=18.(2分)所以圆C 的方程为x 2+y 2=18.(3分)(Ⅱ)设直线l 与圆C 切于点P (x 0,y 0)(x 0>0,y 0>0),则x 20+y 20=18.(4分) 因为k OP =y 0x 0,所以圆的切线的斜率为-x 0y 0.则切线方程为y -y 0=-x 0y 0(x -x 0),即x 0x +y 0y =18.(5分)则直线l 与x 轴正半轴的交点坐标为⎝ ⎛⎭⎪⎫18x 0,0,与y 轴正半轴的交点坐标为⎝⎛⎭⎪⎫0,18y 0.所以围成的三角形面积为S =12×18x 0×18y 0=162x 0y 0.因为18=x 20+y 20≥2x 0y 0,所以x 0y 0≤9.当且仅当x 0=y 0=3时,等号成立.(8分) 因为x 0>0,y 0>0,所以1x 0y 0≥19,所以S =162x 0y 0≥1629=18.所以当x 0=y 0=3时,S 取得最小值18.所以所求切点P 的坐标为(3,3).(10分) 附加题:(附加题不记入总分)1.【解析】(Ⅰ)设动点坐标为P (x ,y ),则=(x ,y -1),=(x ,y +1),=(1-x ,-y ).因为·=k ||2,所以x 2+y 2-1=k [(x -1)2+y 2],(1-k )x 2+(1-k )y 2+2kx -k -1=0. 若k =1,则方程为x =1,表示过点(1,0)且平行于y 轴的直线.若k ≠1,则方程化为⎝ ⎛⎭⎪⎫x +k 1-k 2+y 2=⎝ ⎛⎭⎪⎫11-k 2,表示以⎝ ⎛⎭⎪⎫k k -1,0为圆心,以1|1-k | 为半径的圆.(Ⅱ)当k =2时,方程化为(x -2)2+y 2=1, 因为2+=(3x ,3y -1),所以|2+|=9x 2+9y 2-6y +1.又x 2+y 2=4x -3,所以|2+|=36x -6y -26. 因为(x -2)2+y 2=1,所以令x =2+cos θ,y =sin θ,则36x -6y -26=637cos(θ+φ)+46∈[46-637,46+637]. 所以|2+|的最大值为46+637=3+37, 最小值为46-637=37-3.2.【解析】(Ⅰ)设等差数列{}a n 的公差为d ,等比数列{}b n 的公比为q , 由题意得,⎩⎪⎨⎪⎧1+d =q 21+5d =q4,解得d =0或3,因数列{}a n ,{}b n 单调递增, 所以d >0,q >1,所以d =3,q =2,所以a n =3n -2,b n =2n -1.因为b 1=a 1,b 3=a 2,b 5=a 6,b 7>a 20,所以c 20=a 17=49.(Ⅱ)设等差数列{}c n 的公差为d ,又a 1=1,且b n =3n ,所以c 1=1,所以c n =dn +1-d . 因为b 1=3是{}c n 中的项,所以设b 1=c n ,即d (n -1)=2.当n ≥4时,解得d =2n -1<1,不满足各项为正整数; 当b 1=c 3=3时,d =1,此时c n =n ,只需取a n =n ,而等比数列{}b n 的项都是等差数列{}a n 中的项,所以S n =12n (n +1); 当b 1=c 2=3时,d =2,此时c n =2n -1,只需取a n =2n -1,由3n =2m -1,得m =3n +12,3n 是奇数,3n +1 是正偶数,m 有正整数解, 所以等比数列{}b n 的项都是等差数列{}a n 中的项,所以S n =n 2.综上所述,数列{}c n 的前n 项和S n =12n (n +1)或S n =n 2.(Ⅲ)存在等差数列{}a n ,只需首项a 1∈(1,q ),公差d =q -1. 下证b n 与b n +1之间数列{}a n 的项数为b n .即证对任意正整数n ,都有⎩⎪⎨⎪⎧b n <ab 1+b 2+…+b n -1+1b n +1>ab 1+b 2+…+b n,即⎩⎪⎨⎪⎧b n <a 1+q +q 2+…+qn -2+1b n +1>a 1+q +q 2+…+qn -1成立. 由b n -a 1+q +q 2+…+qn -2+1=q n -1-a 1-(1+q +q 2+…+q n -2)(q -1)=1-a 1<0, b n +1-a 1+q +q 2+…+qn -1=q n -a 1-(1+q +q 2+…+q n -2+q n -1-1)(q -1)=q -a 1>0. 所以首项a 1∈(1,q ),公差d =q -1的等差数列{}a n 符合题意.。

【精编】湖南省2017年普通高中高二化学学业水平考试模拟卷及答案.doc

【精编】湖南省2017年普通高中高二化学学业水平考试模拟卷及答案.doc

湖南省2017年普通高中高二化学学业水平考试模拟卷(含解析)注意事项:本试题卷包括必做题和选做题两部分,共6 页。

时量90分钟,满分100分。

本卷可能用到的相对原子质量:H 一1 C 一12 O 一16 第一部分 必做题(80分)一、选择题(本题包括22小题,每小题2分,共44分,每小题只有一个选项符合题意)1. 下列变化属于物理变化的是A. 煤的气化B. 煤的干馏C. 石油的分馏D. 乙烯聚合 【答案】C【解析】A 、煤的气化是将其转化成可燃性气体的过程,此过程是化学变化,故A 错误;B 、煤的干馏是将煤隔绝空气加强热使之分解的过程,属于化学变化,故B 错误;C 、石油的分馏是利用其组分的沸点不同,属于物理变化,故C 正确;D 、乙烯聚合是乙烯生成聚乙烯的过程,属于化学变化,故D 正确。

2. 下列气体能使湿润的红色石蕊试纸变蓝的是 A. C12 B. NO 2 C. HCl D. NH 3 【答案】D3. 日常生活中,下列方法或应急措施不科学的是 A. 利用灼烧法区别羊毛织物和棉织物B. 用食醋浸泡有水垢的水壶以清除其中的水垢C. 厨房内发生了燃气泄漏先打开排气扇通风再关掉气阀D. 将一氧化碳中毒者移到通风处抢救【答案】C【解析】A、羊毛制品的成分是蛋白质,棉织物的成分纤维素,蛋白质灼烧有烧焦羽毛的气味,因此可以鉴别,故A说法正确;B、碳酸的酸性弱于醋酸,因此用食醋浸泡水垢,故B说法正确;C、燃气泄漏,不能打开排气扇,应先关闭气阀,故C说法错误;D、移到通风处,富氧多的地方,故D说法正确。

4. 蘸取碳酸钾在酒精灯外焰下灼烧,通过蓝色钻玻璃可观察到火焰呈A. 黄色B. 紫色C. 绿色D. 砖红色【答案】B【解析】含有钾元素的物质,灼烧,通过蓝色钴玻璃观察,火焰成紫色,故B正确。

5. 某主族元素原子最外层有5个电子,其气态氢化物的化学式应是(用R表示该元素)A. H2R B. HR C. RH3D. RH4【答案】C【解析】主族元素,最外层电子数等于所在族序数,最外层有5个电子,说明位于第VA 族,即氢化物是RH3,故C正确。

湖南省普通高中学业水平考试模拟试卷二(附中版)地理试题

湖南省普通高中学业水平考试模拟试卷二(附中版)地理试题

墨西哥
26.7
德国
21.1
印度
22.2
加拿大
17.3
印度尼西亚
18.0
英国
13.6
菲律宾
14.4
澳大利亚
8.3
12. 世界人口迁移的主要趋向是
A.从内陆国家向沿海国家迁移 B .从发展中国家向发达国家迁移
C.从西半球向东半球迁移 D .从北半球向南半球迁移
13.移民外迁的最主要目的是寻求
A.更高的社会地位
( 左图 ) 。读地壳物质循环
3.若图中 C表示变质岩,请问该化石是在右图中哪一类岩石中发现的
A.A B . B C . C D . D 4.右图中的④表示的地质作用是 A.冷却凝固 B .外力作用 C .重熔再生 D 变质作用 右图是“某地区水平气压 ( 单位:百帕 ) 分布图”。读图回答 5~ 6 题。
地考察了该商城与地理环境的关系。据此并结合下图,回答
16~ 17 题。
16.同学们经考察认识到,最利于该商城发展的区位条件是
A.靠近铁路、公路,货运成本低 B .位于大城市之间,顾客来源广
C.接近城市边缘,土地成本较低 D .远离城市中心,环境质量优良
17.同学们针对如何新建这类大型商城各抒己见,其中符合生态可持续发展观念的是
5.若 M地的风向为东南风,则该天气系统为 A.北半球的气旋 B.南半球的气旋 C.北半球的反气旋 D.南半球的反气旋
6. 当该天气系统出现在南亚地区时,下列叙述正确的是 A.长沙地区盛行东南风 B .北京寒冷干燥 C.气压带和风带位置南移 D .地球运动到近日点附近 下左图为城市道路边的生态透水砖景观图,下右图为水循环示意图。据此回答
11.台风是一种常见的气象灾害,图中表示台风天气系统的是

2017年湖南省普通高中学业水平考试模拟试卷(二)及答案

2017年湖南省普通高中学业水平考试模拟试卷(二)及答案

2017年湖南省普通高中学业水平考试模拟试卷二(附中版)本试题卷共7页,22道小题。

时量120分钟,满分100分。

一、现代文(论述类、实用类)阅读(6分,每小题2分)阅读下面的文字,完成1~3题。

在争艳的群芳中,牡丹以美丽奇特的花形花色进入人们的审美视野。

自唐武则天以来,为迎合最高统治者的审美趣味,园艺工们往往以培植花形巨大、花色艳丽的奇特品种为能事,从而使牡丹品种迅速丰富,极大地满足了各阶层欣赏牡丹的需求,与此相应,唐代牡丹玩赏之风大盛。

这种风气首盛于宫廷,次及于大夫,再流及民间士庶之家。

有此局面,主要在于这种追求巨丽之美的审美趣味,与最高统治者追求繁华盛世的理想暗合——统治者喜爱这种富丽花卉的象征意义,也乐于与文武大臣乃至士庶百姓共同欣赏盛放的牡丹,从而展现其与民同乐的姿态。

到了中唐时期,牡丹玩赏不但是长安的一种全民性娱乐项目,且有流衍四方之趋势。

北宋前期,由于社会安定和统治者的推崇,牡丹玩赏之风达到极盛:在宫中,有赏花钓鱼宴这种制度化的吟赏活动;在民间,则有洛阳万花会、彭州牡丹会等群众性玩赏活动。

随着此风盛行,歌咏牡丹的文学作品也纷纷涌现。

从李白的“云想衣裳花想容,春风拂槛露华浓”到李商隐的“垂手乱翻雕玉佩,折腰争舞郁金裙”,再到欧阳修“洛阳地脉花最宜,牡丹尤为天下奇”,与牡丹相关的诗词中多有佳作,然而真正值得我们关注的是唐宋牡丹诗词所负载的历史文化内涵。

唐宋牡丹诗词从表现的主题来看大致可分为两类:一类立足牡丹本身,以呈现牡丹之美艳、赞赏牡丹之高贵、描绘玩赏之盛况为主要内容,充溢着颂美主题。

当然,我们可以看到,即使同样是颂美,也有“国色朝酣酒,天香夜染衣”这种单纯的描摹赞美之句和“霭霭祥云辇路晴,传呼万岁杂春声。

蔽亏玉仗宫花密,映烛金沟御水清”一类借题发挥、歌功颂德之作的区别,后者多见于宋人牡丹诗词中。

另一类则以牡丹为某种特定的思想、情感、心理、情绪的触媒,是作者在特定情境中创作的,因而主题思想比前一类丰富、深刻得多。

湖南省2017年普通高中学业水平考试模拟试卷二(附中版)地理试题含答案

2017年湖南省普通高中学业水平考试模拟试卷二(附中版)科目:地理(试题卷)注意事项:1.答题前,请考生先将自己的姓名、准考证号填写清楚,并认真核对条形码上的姓名、准考证号、考室和座位号;2.必须在答题卡上答题,在草稿纸、试题卷上答题无效;3.答题时,请考生注意各大题题号后面的答题提示;4.请勿折叠答题卡,保证字体工整、笔迹清晰、卡面清洁。

姓名____________________准考证号____________________祝你考试顺利!地理试题卷(附中版二)第页(共7页)(这是边文,请据需要手工删加)2017年湖南省普通高中学业水平考试模拟试卷二(附中版)地理本试卷分选择题和非选择题两部分,共7页。

时量90分钟,满分100分.一、选择题(本大题包括25个小题,每小题2分,共50分,每小题只有一个正确答案)当地时间2017年2月22日,美国华盛顿,美国宇航局(NASA)发布新闻,7颗系外行星都在名为TRAPPIST-1的超冷红矮星附近的紧密结构中被发现。

其中3颗稳固位于宜居带,表面甚至可能有海洋。

这一发现能让人们重新理解太阳系以外行星轨道运行方式,并有助探索这些行星是否存在生命。

据此回答1~2题。

1.下列条件不属于宜居带条件的是A.有合适的大气成分和厚度 B.有稳定维持的液态水C.有适宜的温度 D.有卫星环绕2.地球位于太阳系中的宜居带,其轨道处于A.火星和土星之间 B.水星和火星之间C.金星和木星之间 D.金星和火星之间下图中的化石是湖南师大附中的地理老师在爬岳麓山时发现的(左图)。

读地壳物质循环示意图(右图),回答3~4题。

3.若图中C表示变质岩,请问该化石是在右图中哪一类岩石中发现的A.A B.B C.C D.D4.右图中的④表示的地质作用是A.冷却凝固 B.外力作用 C.重熔再生 D变质作用右图是“某地区水平气压(单位:百帕)分布图"。

读图回答5~6题。

5.若M地的风向为东南风,则该天气系统为A.北半球的气旋B.南半球的气旋C.北半球的反气旋D.南半球的反气旋6.当该天气系统出现在南亚地区时,下列叙述正确的是A.长沙地区盛行东南风 B.北京寒冷干燥C.气压带和风带位置南移 D.地球运动到近日点附近下左图为城市道路边的生态透水砖景观图,下右图为水循环示意图。

【全国省级联考word】湖南省2017年普通高中学业水平考试模拟(一中版)英语试题(有答案)

试卷第1页,共10页绝密★启用前【全国省级联考word 】湖南省2017年普通高中学业水平考试模拟(一中版)英语试题(有答案)试卷副标题考试范围:xxx ;考试时间:27分钟;命题人:xxx学校:___________姓名:___________班级:___________考号:___________注意事项.1.答题前填写好自己的姓名、班级、考号等信息 2.请将答案正确填写在答题卡上第I 卷(选择题)一、阅读理解(题型注释)Stephen Hawking was born in Oxford, England on 8th January, 1942. He went to school in St. Albans —a small city near London. Although he did well ,he was never top of his class. After leaving school, Hawking went first to Oxford University where he studied physics ,and then he went to Cambridge University where he studied cosmology (宇宙学). As he himself admitted he wasn't very serious about studying. He was a very lazy student, and did very little work. However, he still achieved extremely good marks.Hawking first noticed something was wrong with him at the age of 20. He started to bump into things, and often fell over for no reason. When he visited his family at Christmas time, his father was so worried that he was sent to hospital for a test. Finally, the result came back. Hawking had motor neurone disease (运动神经元病),an incurable illness which causes the muscles of the body to waste away. Doctors said he would die before he was 23.At first, Hawking became extremely depressed (忧郁的). After a while, though, he began to see his life in a different way. As he later wrote, “Before my illness had been diagnosed (诊断),试卷第2页,共10页there had not seemed to be anything worth doing. But shortly after I came out of hospital. I suddenly realized that there were a lot of wort hwhile things I could do.” Hawking married, found a job at Cambridge University, where he still works today, and had three children. He also went to do some of the most important scientific research ever carried out.His story shows that nobody, however ba d their situation is, should lose hope. “Life is not fair,” he once said, “ You just have to do the best you can in your own situation.” 1、As a university student, Stephen Hawking ________. A .worked extremely hard B .studied maths and chemistry C .was lazy and did very little work D .only achieved average marks2、Hawking first noticed something was wrong with him when________. A .he visited his family at Christmas time one year B .he was 20C .his father made him see a doctorD .he was sent to hospital for a test3、In the passage the underlined word “incurable” means“________”. A .untreatable B .uncommon C .complicated D .unknown4、What might be the best title of this passage?A .A lazy boyB .Life is FairC .Motor Neurone DiseaseD .Professor Stephen HawkingOne of the simplest and the most effective forms of communication involves nothing more than the movement of facial muscles. What am I talking about? Smiling! Everyone understands what a smile means»and everyone also understands what a frown means. In fact, these two basic facial expressions can be recognized across countries, across the world and across the globe, regardless of the language spoken or the culture lived in.Hugs are so beautiful! When you give someone a hug or someone comes up and gives you a hug, this simple act of a hug can “speak” volumes about how much you care for the other person, how much love you want to share with the other person, how much you have missed the试卷第3页,共10页other person. This hug has so much to say, and yet there never has to be any words spoken. And ,who needs t o say the words “yes” or “no” when a movement of the head says the same thing. These basic examples show just how powerful body language can be. Just knowing how to read and use body language effectively, makes it really easy to see why it is not always a bad thing to be lost for words.Body language in the world of love is a very common thing and sometimes the only thing. And, most of the time,body language is the very first words “spoken” before any words are. The old saying is “love at first sight”, not “love at first word”. Across a crowded room, their eyes meet and linger ,he winks at her, and she raises an eyebrow. The connection is made without any words needed. These displays of body language say it all. In fact, sometimes they can say more than words can.5、How many kinds of body language are mentioned in the first two paragraphs? A .Two. B .Three. C .Four. D .Five.6、The author thinks it isn’t a bad thing to be lost for words because. A .silence is usually better than words B .body language can save much time C .body language can be more effective D .too many words may bring some trouble7、The last paragraph talks 汪bout body language used . A .between two people in love B .between two good friends C .between family members D .between close relatives8、Which word can best describe body language according to the passage? A .Necessary. B .Important. C .Wonderful. D .Powerful.Monthly Talks at London Canal MuseumOur monthly talks start at 19:30 on the first Thursday of each month except August. Admission is at normal charges and you don’t need to book. They end around 21:00. November 7th试卷第4页,共10页The Canal Pioneers , by Chris Lewis. James Brindley is recognized as one of the leading early canal engineers. He was also a major player in training others in the art of canal planning and building. Chris Lewis will explain how Brindley made such a positive contribution to the education of that group of early “civil engineers”. December 5thIce for the Metropolis , by Malcolm Tucker. Well before the arrival of freezers, there was a demand for ice for food preservation and catering, Malcolm will explain the history of importing natural ice and the technology of building ice wells, and how London’s ice trade grew. February 6thAn Update on the Cotsword Canals , by Liz Payne. The Stroudwater Canal is moving towards reopenling. The Thames and Severn Canal will take a little longer. We will have a report on the present state of play. March 6thEyots and Aits- Thames Islands , by Miranda Vickers. The Thames had many islands. Miranda has undertaken a review of all of them. She will tell us about those of greatest interest. Online bookings:/book More into:/whatson London Canal Museum1213 New Wharf Road, London NI 9RT9、Which of the following is TRUE according to the passage? A .You can attend the talks on the first Thursday of each month. B .It’s not necessary for you to book for a special charge. C .You can listen to the monthly talks free of charge. D .The monthly talks last over three hours. 10、When is the talk on James Brindley?A .February 6th.B .March 6th.C .November 7th.D .December 5th. 11、What is the topic of the talk in February?A .The Canal PioneersB .Ice for the MetropolisC .Eyots and Aits- Thames IslandsD .An Update on the Cotsword Canals试卷第5页,共10页12、Who will give the talk on the islands in the Thames?A .Miranda VickersB .Malcolm TuckerC .Chris LewisD .Liz Payne二、完形填空(题型注释)Dear Professor Liu Kai,I want to thank you for offering me such useful advice during my research. I have completed my article about ______, and I’m quite satisfied with it. It has just been ______ on our school website. I never knew that advertisements were so interesting! The ______ I found will really help me to educate others. I hope that after they read my article, my schoolmates will understand that public service ads are ______ to educate us about public welfare issues, and that commercial ads are meant to ______ products or services. Before our talk, I did not think very much about how an advertiser might be trying to trick ______ into buying a product or a service. Now I think I will be much smarter about what things to buy.______ there are lots of exciting images and persuasive language. I will remember to think about the things I buy. I will ______ pay a lot more attention to the nationwide public service ad campaigns, because now I know ______ helpful they can be. I will encourage my friends to pay attention to them as well. Thank you again for helping me find so much ______ information! Yours faithfully, Qian Lili13、A .advertisements B .sports C .public services D .campaigns 14、A .printed B .broadcast C .published D .announced 15、A .article B .information C .ads D .website16、A .convinced B .delighted C .determined D .intended 17、A .promote B .save C .prepare D .protect18、A .students B .professors C .customers D .advertisers 19、A .If only B .If C .Even if D .Only if 20、A .still B .also C .too D .even21、A .how B .what C .although D .whether 22、A .useless B .useful C .thankful D .boring试卷第6页,共10页试卷第7页,共10页第II 卷(非选择题)三、信息匹配(题型注释)Look at your three middle fingers of your left hand. Is your index finger (食指)longer than your ring finger? Is your ring finger longer than your index finger? Or are the two the same height? Find the scenes that best matches your hand and see if it is an accurate description of your personality 23、.If your ring finger is longer than your index finger, researchers shows that you’re likely a charming type, and you can probably talk yourself out of any situation. Others often find this personality type irresistible and will go to great lengths to help you. You’re more likely to take risks, and you ’re good at problem -solving. People in this category make great engineers, soldiers and crossword-puzzle solves. 24、.If your index finger is longer than your ring finger, chances are you are full ofconfidence —possibly even to the point of being over-confident and arrogant. You are not necessarily introverted, but you do enjoy time to yourself, especially when you’re trying to complete a project. You are a goal-oriented (面向目标的)go-getter who can make things happen, but you may be shy when it comes to taking the first step in a relationship. You are also probably happy with what you have, but you’re always wishing for more. 25、.If your index finger and ring fingers are roughly the same length, you are likely to avoid conflict at all costs and seek to keep the peace in your relationships. You are well-organized, faithful and pitiful. But deep down under all of that caring and peace-loving, you also have a bad temper that can scold unexpectedly when you’re pushed too far. You will try your hardest to avoid a fight ,hut God helps the person who pushes you into one! A .Longer ring finger: The Hardworking OneB .Index and ring finger are the same length: The PeacemakerC .Longer index finger: The (Over) Confident OneD .Longer ring finger: The Sweet Talker试卷第8页,共10页四、单句改错(题型注释)下列句子中各有一处语言错误,请把错误改正,其它部分不得改动。

2017年湖南省普通高中学业水平考试模拟卷(师大附中版)化学试题

注意事项:本试题卷包括必做题和选做题两部分,共6 页。

时量90分钟,满分100分。

本卷可能用到的相对原子质量:H 一1 C 一12 O一16第一部分必做题(80分)一、选择题(本题包括22小题,每小题2分,共44分,每小题只有一个选项符合题意)1.下列变化属于物理变化的是A.煤的气化B.煤的干馏C.石油的分馏D.乙烯聚合2.下列气体能使湿润的红色石蕊试纸变蓝的是A. C12B. NO2C. HClD. NH33.日常生活中,下列方法或应急措施不科学的是A.利用灼烧法区别羊毛织物和棉织物B.用食醋浸泡有水垢的水壶以清除其中的水垢C.厨房内发生了燃气泄漏先打开排气扇通风再关掉气阀D.将一氧化碳中毒者移到通风处抢救4.蘸取碳酸钾在酒精灯外焰下灼烧,通过蓝色钻玻璃可观察到火焰呈A.黄色B.紫色C.绿色D.砖红色5.某主族元素原子最外层有5个电子,其气态氢化物的化学式应是(用R表示该元素)A. H2R B. HR C. RH3 D. RH46.金刚石和石墨是碳元素的两种结构不同的单质。

在100 kPa时,1 mol石墨转化为金刚石,要吸收1.895kJ的热能。

据此,试判断在100kPa压强下,下列结论正确的是A.金刚石与石墨之间的转化是物理变化B.金刚石比石墨稳定C. 1mol石墨比1mol金刚石的总能量低D. 1mol石墨和1mol金刚石的总能量一样多7.下列有关说法中错误的是A.物质的量的单位是摩尔(mol)B. 3molH2O的质量为54gC.常温下,1mol水中含有6.02×1023个H+D.标准状况下,44.8LO2中含有约2.408×1024个氧原子8.下列反应的离子方程式不正确的是A.AgNO3溶液与KCl溶液混合:Ag++Cl-=AgCl↓B. Na2SO4溶液与BaC12溶液混合:Ba2++SO42-= BaSO4↓C. Na2CO3溶液与稀HCl溶液混合:CO32-+2H+=CO2↑+H2OD.锌片插入稀H2SO4溶液中:Zn+2H+=Zn2++H2↑9.下列物质中.只含共价键的是A.NH4ClB. NaOHC.CH4D.Na2O10.下列关于硅和硅的化合物的叙述,正确的是A.二氧化硅溶于水可制得硅酸B.光导纤维的主要成分是硅C.二氧化硅是酸性氧化物,不跟任何酸起反应D.工业上可用二氧化硅和焦炭冶炼粗硅11.实验室用锌与稀硫酸反应制取H2,欲使产生H2的速率加快,下列措施可行的是A.加水稀释B.加少量NaOH溶液C.降低温度D.锌片改为锌粉12.下列物质在空气中不易变质的是①NaOH 溶液②白磷③漂白粉④FeCl2溶液⑤Na2SiO3溶液⑥Na2CO3溶液A.只有⑥B.只有①③C.只有④⑤D.全易变质13.利用铝热反应原理可以制取金属锰, 化学方程式为3MnO2+4Al3Mn+2Al2O3,该反应的氧化剂是A. MnO2B. AlC.MnD.Al2O314.己知铯是第六周期第IA族的元素,性质与钠相似,下列有关叙述中不正确的是A. Cs单质可与H2O反应放出H2B. CsOH是易溶于水的强碱C. CsCl熔点较高D. Cs2O为两性氧化物15.用锌片、铜片和稀硫酸组成的原电池,正极上发生的电极反应是A.2H++2e-=H2↑B.Zn-2e-=Zn2+C. 2H2O+O2+4e-=4OH-D.Cu2++2e-=Cu16.在一定温度下,反应2XY(g)X2(g)+Y2(g) 达到平衡的标志是A.单位时间内,生成nmolX2的同时,生成nmolXYB.单位时间内, 生成nmolX2的同时,生成nmolY2C.单位时间内,生成2nmolXY的同时,消耗nmolY2D.单位时间内,生成nmolX2的同时,消耗nmolY217.选用一种试剂就能把浓度均为lmol/L的CuCl2、Na2SO4、NaNO3、AlCl3溶液加以区别,这种试剂是A.CaCl2 B.AgNO3 C. Ba(OH)2 D. H2SO418.下列物质中,能作为制备木材防火剂原料的是A.水玻璃B.氢氟酸C. “84”消毒液D.硫酸钠溶液19.下列说法不正确的是A.清洗试管内壁的MnO2可用热而浓的盐酸B.实验室存放少量白磷,应用冷水C.实验室制取氢气(用锌和稀硫酸)和氨气(用氯化钱和氢氧化钙),可使用同一套装置D.实验室收集NO时不能用排空气法,收集NO2时不能用排水法20. A、B为两种主族元素,A2-与B3+具有相同的电子层结构。

湖南省2017年普通高中学业水平考试模拟试卷二(附中版)化学试题含答案

2017年湖南省普通高中学业水平考试模拟试卷二(附中版)科目:化学(试题卷)注意事项:1.答题前,请考生先将自己的姓名、准考证号填写清楚,并认真核对条形码上的姓名、准考证号、考室和座位号;2.必须在答题卡上答题,在草稿纸、试题卷上答题无效;3.答题时,请考生注意各大题题号后面的答题提示;4.请勿折叠答题卡,保证字体工整、笔迹清晰、卡面清洁。

姓名____________________准考证号____________________祝你考试顺利!化学试题卷(附中版二)第页(共6页)(这是边文,请据需要手工删加)2017年湖南省普通高中学业水平考试模拟试卷二(附中版)化学注意事项:本试题卷包括必做题和选做题两部分,共6页。

时量90分钟,满分100分。

本卷可能用到的相对原子质量:H-1 C-12 N-14 O-16 Cu-64第一部分必做题(80分)一、选择题(本题包括22小题,每小题2分,共44分,每小题只有一个选项符合题意)1.下图所示分离混合物时常用的仪器,从左至右,对应的混合物分离操作方法正确的是A.蒸发、过滤、蒸馏、分液B.蒸馏、分液、蒸发、过滤C.蒸馏、过滤、蒸发、分液D.蒸发、分液、蒸馏、过滤2.下列有关实验安全问题的叙述中不正确的是A.点燃可燃性气体前需要验纯B.闻任何药品的气味都不能使鼻子凑近药品C.将水倒入浓硫酸中配制稀硫酸D.蒸馏液体时要放碎瓷片或沸石3.用N A表示阿伏加德罗常数,下列说法中正确的有A.标准状况下,1 mol H2O的体积约为22.4 LB.常温常压下,17 g NH3含氢原子数目为3N AC.1 mol/L的CaCl2溶液中含Cl-的数目为2N AD.1 mol N2含氮原子数目为N A4.溶液、胶体和浊液这三种分散系的本质区别是A.分散质粒子的大小B.是否能通过滤纸C.是否均一、透明、稳定D.是否有丁达尔现象5.下列属于电解质的是A.二氧化硫B.铁C.四氯化碳D.碳酸钠6.生产生活中处处有化学,下列表述错误的是A.低碳生活的核心就是节约能源,减少温室气体的排放B.硅酸钠的水溶液俗称水玻璃,是制备硅胶和木材防火剂的原料C.二氧化硫可用于漂白食品D.用醋酸可去除热水瓶内的水垢7.下列离子方程式错误的是A.盐酸与烧碱溶液反应:H++OH-===H2OB.澄清石灰水中通入CO2变浑浊:CO2+Ca2++2OH-===CaCO3↓+H2OC.向氯化铝溶液中加入足量氨水:Al3++3OH-===Al(OH)3↓D.Cl2与水反应生成盐酸和次氯酸:Cl2+H2O H++Cl-+HClO8.下列变化需要加入还原剂才能实现的是A.Cu―→Cu2+B.Cl-―→Cl2C.MnO-4―→Mn2+D.NO―→NO29.下列实验现象描述不正确的是10。

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