福建省莆田第六中学学高一化学下学期期中试题-课件
2022-2023学年福建省莆田一中等两校高三上学期期中联考化学试题

莆田市两校2022-2023学年高三上学期期中联考化学试题第I 卷(选择题 40分)一、单选题(每题4分 共40分)1.中国空间站天和核心舱的主要能量来源是砷化镓(GaAs)太阳电池阵,其中Ga 与Al 同主族,化学性质相似。
下列说法错误的是A .砷化镓属于金属材料B .GaAs 中As 的化合价是-3C .镓既能与盐酸反应,又能与NaOH 溶液反应D .砷化镓电池能将光能转化为电能 2.下列有关铁和铁的化合物的叙述中,正确的是A .铁的化学性质比较活泼,它能与许多物质发生化学反应,因此铁在自然界中只能以化合态存在B .Fe 3O 4是一种红棕色粉末,俗称铁红,常用作油漆、涂料、油墨和橡胶的红色颜料C .Fe(OH)2在空气中容易被氧化,在制取Fe(OH)2时必须隔绝空气D .往某溶液中先加入氯水,再加入KSCN 溶液,发现溶液变成了红色,证明原溶液中含有Fe 3+3.能正确表示下列反应的离子方程式为 A .硫化钠溶液和硝酸混合:S 2-+2H +=H 2S↑B .明矾溶液与过量氨水混合:Al 3++4NH 3+2H 2O=AlO 2-+4NH 4+C .硅酸钠溶液中通入二氧化碳:SiO 23-+CO 2+H 2O=HSiO 3-+HCO 3-D .将等物质的量浓度的Ba(OH)2和NH 4HSO 4溶液以体积比1∶2混合:Ba 2++2OH -+2H ++SO 24-=BaSO 4↓+2H 2O4.“灌钢法”是我国古代劳动人民对钢铁冶炼技术的重大贡献,陶弘景在其《本草经集注》中提到“钢铁是杂炼生鍒作刀镰者”。
“灌钢法”主要是将生铁和熟铁(含碳量约0.1%)混合加热,生铁熔化灌入熟铁,再锻打成钢。
下列说法错误的是A .钢是以铁为主的含碳合金B .钢的含碳量越高,硬度和脆性越大C .生铁由于含碳量高,熔点比熟铁高D .冶炼铁的原料之一赤铁矿的主要成分为Fe 2O 3 5.用N A 代表阿伏加德罗常数的数值,下列说法正确的是 A .10gCaCO 3和KHCO 3的固体混合物所含阳离子大于A B .常温下,与含3的溶液充分作用,最少失去的电子数为AC.和2于密闭容器中充分反应后,分子总数为AD.将1molCH4和1molCl2混合光照,充分反应后,生成气体的分子数大于N A 6.室温下,下列各组离子在指定溶液中能大量共存的是A.无色透明的溶液中:H+、Cu2+、SO2-4、NO-3B.能使甲基橙变红的溶液:Na+、NH+4、Cl-、HCO-3C.pH=1的溶液:Fe2+、Na+、SO2-4、NO-3D.pH=12的溶液:Na+、K+、NO-3、ClO-7.如图所示装置,试管中盛有水,气球a中盛有干燥的Na2O2颗粒。
福建省莆田二中2013-2014学年高一第三学段(下期中)考试化学试题

福建省莆田二中2013-2014学年高一第三学段(下期中)考试化学试题2014.4.16测试内容:必修1专题3.4(时间:100分钟满分:100分)可能用到的相对原子质量:H-1 C-12 N-14 O-16 Na-23 Mg-24 Al-27Si-28 S-32 Cl-35.5 Fe-56 Cu-64 Ba-137第Ⅰ卷选择题部分(共44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1个正确答案)1.氮的固定是指:()A.豆科植物根瘤菌将含氮化合物转变为植物蛋白质B.植物从土壤中吸收含氮养料C.将空气中的氮气转变为含氮化合物D.将氨转变成硝酸及其它氮的化合物2.下列物质的化学式及用途错误的是( )A. 重晶石:BaCO3钡餐、白色颜料B.绿矾:FeSO4·7H2O 净水剂、补血剂C.水玻璃中的溶质:Na2SiO3黏合剂、耐火材料D.熟石膏:2CaSO4·H2O 制作模型、医疗上用的石膏绷带3.下列物质中不能通过化合反应直接生成的是( )A.FeCl3B.FeCl2C.SO3 D.CuS4.将SO2气体通入BaCl2溶液至饱和,未见有沉淀生成,继续通入另一种气体仍无.沉淀产生,则通入的气体可能是()① O2 ②Cl2③ NH3④ H2S ⑤SO3⑥CO2A.②③④B.⑥C.①⑤D.①②③④⑤5.下列反应中,调节反应物用量或浓度不会..改变反应产物的是( )A.HCl溶液滴入NaAlO2溶液B.二氧化硫通入氨水中C.硫酸中加入锌粉D.铁在氯气中燃烧6.取四张湿润的蓝色石蕊试纸放在玻璃片上,然后按顺序分别滴加饱和的亚硫酸、98.3%的硫酸、新制氯水、浓氨水,四张试纸最后呈现的颜色是()A.红、红、白、蓝B.红、黑、白、蓝C.白、白、白、蓝D.白、黑、白、蓝7.下列有关硅及其化合物的叙述错误..的是()①水晶、石英、玛瑙等主要成分都是SiO2,玻璃、水泥的主要成分都是硅酸盐②硅是制造太阳能电池的常用材料, 光导纤维的主要成分是Si③石榴子石的化学式为CaMg2Al2Si3O12,则用氧化物的形式可表示为3SiO2.AI2O3.2MgO .CaO④熔融氢氧化钠固体可选用的器皿是:陶瓷坩埚或者生铁坩埚⑤在一定条件下能与SiO2起反应的物质是:氢氟酸、碳酸钠、浓H2SO4⑥在制水泥、玻璃和高炉炼铁中均用到石灰石A.①⑥B.①②③④C.②③④⑤D.②⑤⑥8.向下列物质的饱和溶液中通入CO2,不.发生反应的是()A.NaAlO2B.NaHSO4C.Na2SiO3D.Ca(ClO)29.氧化还原反应广泛应用于金属的冶炼。
福建省莆田二中、仙游一中、莆田六中2023-2024学年高一上学期期中联考英语试题

福建省莆田二中、仙游一中、莆田六中2023-2024学年高一上学期期中联考英语试题学校:___________姓名:___________班级:___________考号:___________一、阅读理解Recently a growing number of foreign universities,such as the University of Cambridge,are accepting China’s gaokao results as one of their admission standards. Is the Chinese college entrance exam being recognized globally?Forum readers share their opinions:Cecilia Zhang(China)The gaokao is a really tough exam. If possible,it can be used as one of the indicators(指标)for foreign universities,in addition to other indicators,such as how well they speak the target language. The students,who perform well in the gaokao,also have the ability to successfully adapt to Western styles of education. I believe accepting the gaokao as an indicator is a win-win for Chinese students and overseas universities.Wchao37(US)In fact,gaokao is perhaps much more difficult than the SAT or ACT exams. You can get a perfect score of 1600 on the SAT but not in the gaokao,partly because the SAT is a machine-scored multiple-choice exam. Do you know anyone that has ever achieved a perfect score in the gaokao?Harry01(UK)Hundreds of students from China have entered universities in the UK using their gaokao scores, which requires that their knowledge of English be above a certain level. This measure has benefited specific groups of students from various backgrounds in China.Mbursian (Canada)In order to attend a university in an English-speaking country, a student needs to have an acceptable band score on the IELTS. Most importantly, students need an acceptable knowledge of the language spoken in any country they plan to study in. Now the Chinese gaokao is closer to meeting the requirements of different countries.1.Who believes accepting the Chinese gaokao is a win-win?A.Cecilia Zhang.B.Wchao37.C.Harry01.D.Mbursian. 2.What is most important for Chinese students planning to study abroad?A.The IELTS score.B.Enough test preparation.C.The Chinese gaokao score.D.Knowledge of the native language. 3.What does the text intend to tell the readers?A.The gaokao will replace other tests.B.The gaokao is becoming globally accepted.C.The gaokao is the most difficult of all tests.D.The University of Cambridge made a good decision.This was the first real task I received in my new school. It seemed simple: go on the Internet and find information about a man named George Washington. As I searched the name, I found that there were two famous people having the same name who looked completely different! One invented hundreds of uses for peanuts(花生), while the other led some sort of army across America. I stared at the screen, wondering which one my teacher meant. I called my grandfather for a golden piece of advice; let the coin decide. I flipped(掷) a coin and Ah! Tails (背面)! My report would be about the great man who invented peanut butter, George Washington Carver.Weeks later, I stood in front of the classroom and proudly read my homework. But things started to get strange. I looked around the room, only to find my classmates with big smiles on their faces and tears in their eyes and my stone-faced teacher. I was completely lost. “What could be causing everyone to act this way?”Oh well, I dropped the paper and sat down at my desk, burning to find out what I had done wrong. As a classmate began his report, it all became clear, “My report is on George Washington, the man who started the American War of Independence.” The whole world became quiet! How could I know that my teacher meant that George Washington?Of course, my subject result was awful. Sad but fearless, I decided to turn this around. I talked to the headmaster Miss Lancelot, but she said firmly: No re-dos; no new score. I felt that it was not fair, and I believed I deserved a second chance. So I threw myself heartily into my work for the rest of the school year. Ten months later, I sat in the headmaster’s office again, but this time a completely different conversation. I smiled and flashed back to the terrible moment at the beginning of the year as the headmaster told me I was good enough to skip(跳过) the 6th grade and started the 7th grade next term.4.The task I received was to find information about ________.A.uses for peanutsB.American War of IndependenceC.George WashingtonD.my headmaster Miss Lancelot5.People in the class acted strangely because ________.A.I was too proud of my homeworkB.I mistook what the homework was aboutC.the whole world suddenly became quietD.the teacher’s face turned to a stone6.We can infer(推断) from the passage that ________.A.the headmaster didn’t like the writer at allB.the writer’s classmates felt sad at his mistakeC.the writer knew little about American historyD.the writer’s grandpa was a very wise man7.Which of the following proverbs can best describe the main idea of this story?A.Seeing is believing.B.Where there is a will, there is a way.C.One is never too old to learn.D.A friend in need is a friend indeed.A recent study suggests that when it comes to the benefits of reading, just doing it matters more than the content. Researchers have found that reading novels helps the brain development in understanding others and imagining the world. They also have found that people who spend a few hours per week reading books live longer than those who don’t read.But how to build a habit of reading? Like any habit, the trick is in figuring out what suits you. The hardest part about reading is actually picking up a book. You have to sit down, pick up a book and start reading. “I always have a book next to wherever I put my phone,” My friend Jimmy once told me. “So if I want to check my phone, I physically can see the book there. Nine times out of ten. I end up reading the book instead of using my phone for nothing.”Another challenge is time, and in that case, audiobooks(有声书) can be a good choice. Audiobooks are great for filling the mind while you’re on the way to work, washing dishes or working out at the gym.If you’re still stuck on the way to developing a reading habit, the best way is to revisit your old favorite books to get your youthful reading pleasure. You should free yourself from the opinion that only important or educational books are worth reading. There’s no shame in rereading the books that made you fall in love with reading in the first place. Restarting the practice of reading is a little like picking up painting. It takes some work to get into the best state, but once you begin, the results are beautiful and satisfying.8.What is the most difficult part in forming the reading habit?A.Getting reading skills.B.Finding a great book.C.Having limited time.D.Getting reading started.9.What is the advantage of audiobooks according to the text?A.They are time saving.B.They provide more pleasure.C.They aid brain development.D.They offer more book choices. 10.Why is rereading old favourite books a good idea?A.It helps restart reading.B.It is of great convenienceC.It improves the taste for art.D.It can increase your patience. 11.What can be the best title for the text?A.Method of killing free time B.Advantages of using audiobooksC.Way to choose educational books D.Tips on developing a reading habitLast Friday, a special thing took place at the National Theater of Korea. A robot called EveR 6 led an orchestra (管弦乐队) in a performance of Korean music. Robots have led orchestras in other countries, but this was the first time ever in Korea.EveR 6 is a robot built by the Korea Institute of Industrial Technology (KITECH). It’s about as tall as a person, and has a human-like face that can show feelings. EveR 6 has joints (关节) in its neck, shoulders, etc. As a result, it can move its arms quickly in many different directions.But EveR 6 doesn’t think on its own like some Artificial Intelligence programs. Instead, it has a limited group of movements that it has been trained to perform. To make these movements as natural as possible, EveR 6’s movements are learnt from real human conductors.When EveR 6 moved its baton (指挥棒) for the first time, a piece of music rang out. Every movement of the robot’s arms brought more instruments into the mix, and theorchestra’s music grew louder and more exciting. Mr White, a human conductor, was impressed with the way EveR 6 moved. “The robot was able to present such difficult moves much better than I had imagined,” he said.But the robot still is not nearly ready to supersede a human conductor. Mr White says the robot’s greatest weakness is that it can’t hear. “Some people think that conducting is just about hand waving and keeping the beat,” says Mr White. But a good conductor needs to listen to the orchestra, so that he or she can correct and encourage the orchestra as it plays.Mr White doesn’t think robots are likely to replace human conductors. But he believes robots could be helpful in situations like practice parts where the same thing needs to be done many times.12.What is paragraph 2 mainly about?A.The effect of EveR 6.B.The advantage of EveR 6.C.The importance of EveR 6.D.The basic information of EveR 6. 13.What does the underlined word “supersede” in paragraph 5 mean?A.Look forward to.B.Show interest in.C.Take the place of.D.Make an impression on.14.Which of the following may Mr White agree with?A.Robots’ role as a conductor will be overlooked.B.Robots could work in some fields of conductors’ work.C.Robots are useless in practice parts of a conductor.D.Robots will replace human conductors.15.In which section of a newspaper may this text appear?A.Science.B.Sports.C.Health.D.Education.二、七选五China has been the birthplace of many of the world’s greatest inventions. It was, for example, the first country to produce paper money. Before the invention of paper money andexchange of goods and services for other goods and services is called bartering (以货换货).17 In 1200 BC, people in China began to use shells as money. Usually the shells used as money were very small. This made it easier for people to carry money over longdistances, and allowed trade to develop between different parts of the country.In the years which followed this invention, many other countries around the world began to do the same. 18 The next development was in 1000 BC, when China started making bronze and copper shells. It wasn’t long before the Chinese made round coins out of metal. 19 By 500 BC, metal coins had begun to appear in countries like Persia and Greece, and later in the Roman Empire.About 1,000 years later, leather was used as money in China, and in 806 AD, the first banknotes were produced by the Chinese people. 20A.As time went by, trade between countries increased.B.People also began collecting foreign coins as souvenirs.C.They also used tiny shells as money for buying and selling.D.It was still many years before paper currency appeared in Europe.E.However, as the economy developed, such exchanges became impractical.F.During that time, for example, buying a chicken might cost several potatoes.G.The very first coins often had holes in them so that people could string them together.三、完形填空I live with my husband Jack in Iowa, which is far away from Florida. One day, myAfter many years, our plans were all finished. 34 I’ve learned that the secret is to take life 35 . If you’re in too much of a hurry, you need to stop, or you will fly past all the things that are the most fun.21.A.football B.golf C.basketball D.volleyball 22.A.farther B.closer C.larger D.warmer 23.A.dream B.hurry C.refuse D.afford 24.A.In fact B.For example C.At once D.In case 25.A.lent B.bought C.missed D.found 26.A.called B.practised C.made D.explained 27.A.Georgia B.Hawaii C.Iowa D.Florida 28.A.support B.learn C.finish D.prepare 29.A.where B.when C.although D.because 30.A.came B.rose C.failed D.happened 31.A.regret B.hope C.difficulty D.difference 32.A.turned down B.taken away C.put out D.carried out 33.A.started B.changed C.appeared D.stopped 34.A.Simply B.Finally C.Quietly D.Sadly 35.A.early B.busy C.slow D.fast四、用单词的适当形式完成短文阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。
福建省莆田第六中学2018-2019学年高一下学期期中考试物理试题 Word版

莆田第六中学2018-2019学年下学期期中测试(A)高一物理(命题范围:必修2)(总分100分)命题人:高一物理备课组 2019-04-30一、选择题(本小题有12小题,共48分,其中1-8小题每小题中只有一个选项是正确的,选对得4分,多选或选错得0分;9-12小题每个小题有多个选项是正确的,选对得4分,少选得2分,有一个选项选错得0分)1.关于下图中的四个情景,下列说法正确的是()A.图甲中,有些火星的轨迹不是直线,说明炽热微粒不是沿砂轮的切线方向飞出的B.图乙中,两个影子在x、y轴上的运动就是物体的两个分运动C.图丙中,无论小锤用多大的力去打击弹性金属片,A球都先落地D.图丁中,做变速圆周运动的物体所受的合外力F沿半径方向的分力大于所需要的向心力2.图示为公路自行车赛中运动员在水平路面上急转弯的情景,运动员在通过弯道时如果控制不当会发生侧滑而摔离正常比赛路线,将运动员与自行车看作一个整体,下列论述正确的是()A.运动员转弯所需向心力由地面对车轮的支持力与重力的合力提供B.运动员转弯所需向心力由地面对车轮的摩擦力提供C.发生侧滑是因为运动员受到的合力方向背离圆心D.发生侧滑是因为运动员受到的合外力大于所需的向心力平面上做曲线运动,在x方向的速度图象和y方向的位移3.质量为2kg的质点在x y图象如图所示,下列说法正确的是()A .质点的初速度大小为5 m/sB .2s 末质点速度大小为6 m/sC .质点做曲线运动的加速度大小为2 m/s 2D .质点初速度的方向与合外力方向垂直4.如图,在下列不同情形中将光滑小球以相同速率v 射出,忽略空气阻力,结果只有一种情形小球不能到达天花板,则该情形是( )5.如图所示,小球以v 0正对倾角为θ的斜面水平抛出,若小球到达斜面的位移最小,则以下说法正确的是(重力加速度为g )( )A. 小球空中运动时间为B. 小球的水平位移大小为C. 由于不知道抛出点位置,位移大小无法求解D. 小球的竖直位移大小为6.“嫦娥三号”探测器已于2013年12月2日1时30分,在西昌卫星发射中心成功发射.“嫦娥三号”携带“玉免号”月球车首次实现月球软着陆和月面巡视勘察,并开展月表形貌与地质构造调查等科学探测.已知月球半径为R 0,月球表面处重力加速度为g 0,地球和月球的半径之比为R R 0=4,表面重力加速度之比为g g 0=6,则地球和月球的密度之比ρρ0为( )A .23B .32C .4D .67.如图所示,一半径为R 的半圆形轨道竖直固定放置,轨道两端等高;质量为m 的质点自轨道端点P 由静止开始滑下,滑到最低点Q 时,对轨道的正压力为2mg ,重力加速度大小为g .质点自P 滑到Q 的过程中,克服摩擦力所做的功为( )A .14mgRB .13mgRC .12mgRD .π4mgR8.如图所示,光滑水平平台上有一个质量为m 的物块,站在地面上的人用跨过定滑轮(定滑轮大小不计)的绳子向右拉动物块,不计绳和滑轮的质量及滑轮的摩擦,且平台边缘离人手作用点竖直高度始终为h .当人以速度v 从平台的边缘处向右匀速前进位移x 时,则( )A .在该过程中,物块的运动可能是匀速的B .在该过程中,人对物块做的功为22222()mv x h x C .在该过程中,人对物块做的功为12mv 2D .人前进x 时,物块的运动速率为vhh 2+x 29.北斗卫星导航系统(BDS )是我国自行研制的全球卫星导航系统,是继美国全球定位系统(GPS )、俄罗斯格洛纳斯卫星导航系统(GLONASS )之后的第三个成熟的卫星导航系统。
2021学年福建省莆田市第二学期高一年期中考试_(化学)试卷(有答案)

2021学年福建省莆田市第二学期高一年期中考试 (化学)试卷一、选择题1. 下列关于铝的说法正确的是()①铝能在硝酸、硫酸中钝化。
②氢氧化铝既能与强酸溶液反应,也可以与强碱溶液反应。
③氧化铝是白色固体,熔沸点高,常作为耐火材料,红、蓝宝石的主要成分是氧化铝。
④铝是地壳中含量最多的金属元素,自然界中主要是以铝土矿的形式存在。
⑤明矾溶于水可以电离出Al3+,因此可以作为净水剂。
⑥金属铝可以与沸水剧烈反应,生成氢气。
A.①②③⑤B.②③④⑤C.②③④D.全部2. 玻璃的主要成分是二氧化硅,能在玻璃上进行雕刻的物质是()A.氢氟酸B.盐酸C.纯碱D.硫酸3. 下列物质中,不与水反应的是()A.CO2B.SiO2C.Na2O2D.CaO4. 下列氧化物中能与金属铝发生铝热反应的物质是()A.MnO2B.MgOC.NaOD.P2O55. 区别镁和铝最好的方法是()A.投入沸水B.投入盐酸中C.投入烧碱溶液中D.投入冷水中6. 关于铁的叙述,错误的是()A.用盐酸可以除去铁锈B.不能用铁制品盛放农药波尔多液C.生铁放在盐酸中可以完全溶解D.纯铁太软,不适合制造器械7. 高岭土的组成表示为:Al2Si2O x(OH)y,其中x,y的数值分别为()A.7、2B.5、4C.6、3D.6、48. 在下列溶液中,若加入过量氨水或过量的氢氧化钠溶液都产生沉淀,若加入铁粉溶液增重的是()9. 下列说法不正确的是( )A.SiO 2是酸性氧化物,能与NaOH 溶液反应B.二氧化硅是生产光纤制品的基本原料C.水玻璃可用于生产黏合剂和防火剂D.酸性氧化物可以和碱反应,但均不能与酸反应10. 称取两份铝屑,第一份加NaOH 溶液,第二份加盐酸,要使第一个反应和第二个反应中产生氢气量的比为2:1,则两份铝屑的质量比为 ( ) A. 1:1 B. 1:2 C. 1:4 D.2:111. 往100mL 0.2mol/LAlCl 3溶液中,加入0.4mol/LNaOH 溶液,为了能得到澄清溶液,最少需加入NaOH 溶液的体积为( ) A.200ml B.300ml C.400ml D.700ml12. 某无色透明溶液能与铝作用放出氢气,此溶液中一定能大量共存的离子组是( )A. Cl −、SO 42−、Na +、K + B.Fe 2+、Na +、NO 3−、K + C.HCO 3−、Na +、NO 3−、Cu 2+ D.NO 3−、Ba 2+、Cl −、HCO 3−13. 将铜片和被严重腐蚀的铁片一起放入盐酸中,充分反应后,剩余残渣中只有铜,则溶液中含有的金属阳离子为( ) A.一定含有亚铁离子B.可能只含有铜离子C.可能含有亚铁离子与铁离子D.可能含有铁离子14. 从石英砂制取并获得高纯硅的主要化学反应如下: ①SiO 2+2C ====高温Si (粗)+2CO ↑ ②Si (粗)+2Cl 2====加热SiCl 4 ③SiCl 4+2H 2====高温Si (纯)+4HCl 关于上述反应的分析不正确的是( ) A.粗硅中可能含有SiCl 4、C 等杂质 B.高温下,焦炭与氢气的还原性均强于硅D.高温下将石英砂、焦炭、氯气、氢气按一定比例混合可得高纯硅15. 将铁片投入到下列溶液中,不放出气体并且铁片质量减轻的是( ) A.CuCl 2溶液 B.HCl 溶液C.NaNO 3溶液D.FeCl 3溶液16. 下列离子方程式书写不正确的是( ) A.Fe 粉投入FeCl 3溶液中:Fe +2Fe 3+=3Fe 2+B.铝粉投入到NaOH 溶液中: 2Al +2OH −=2AlO 2−+H 2↑C.AlCl 3溶液中加入足量的氨水:Al 3++3OH −=Al(OH)3↓D.FeCl 2溶液跟Cl 2反应:2Fe 2++Cl 2=2Fe 3++2Cl − 二、解答题将铁粉溶于过量的稀盐酸,此时溶液呈________色,在溶液中加入适量氯水,溶液变为________色,再加入过量的氨水,有红褐色的沉淀________(填化学式)生成。
2023-2024学年福建省莆田第四中学、莆田第六中学高一数学第一学期期末统考模拟试题含解析

题
注意事项 1.考生要认真填写考场号和座位序号。 2.试题所有答案必须填涂或书写在答题卡上,在试卷上作答无效。第一部分必须用 2B 铅笔作答;第二部分必须用黑 色字迹的签字笔作答。 3.考试结束后,考生须将试卷和答题卡放在桌面上,待监考员收回。
故选:D. 【点睛】本题考查平面的基本性质、线面平行的判定,熟练掌握公理、定理是解题的关键,属于基础题. 5、A
【解析】对于函数 y=sin x ,T=4π,且 sin(- x )=-sin x .故选 A
2
2
2
6、C
【解析】根据全称命题和特称命题的含义,以及不等式性质的应用,即可求解.
【详解】对于 A 中, x2 1 x (x 1)2 3 0 ,所以 x2 1 x ,所以不正确; 24
参考答案
一、选择题(本大题共 12 小题,每小题 5 分,共 60 分,在每小题给出的四个选项中,只有一项是符合题目要求的, 请将正确答案涂在答题卡上.)
1、B
【解析】根据二次函数的性质及对数的运算可得 x1 x2 16 ,利用均值不等式求最值即可.
详解】
f
x
log2
x 2
log2
x 8
(log2
lg(x 1), x 0
7.已知函数
f
(x)
lg
1
1
x
,
x
0
,且 a b 0, b c 0, c a 0 ,则
f
(a)
f (b)
f (c) 的值
A.恒为正
B.恒为负
C.恒为 0
D.无法确定
8.已知 a log9 24 , b 21.1 ,函数 f x log5 x x 2的零点为 c,则( )
福建省莆田市2020-2021学年高一下学期期中备考生物试题

福建省莆田市2020-2021学年高一下学期期中备考生物试题学校:___________姓名:___________班级:___________考号:___________一、单选题1.在遗传实验中不同的交配方法所起的作用也不尽相同。
下列有关叙述正确的是()A.杂交的后代一定会出现性状分离B.自交不仅仅适合雌雄同株的植物C.测交是判断个体基因型的唯一方法D.纯合子杂交产生的子一代所表现出的性状就是显性性状2.孟德尔把F1中显现出来的性状,叫做显性性状;未显现出来的性状,叫做隐性性状,下列关于性状和基因的描述正确的是()A.生物体不能显现出来的性状称为隐性性状B.若子代中出现隐性性状,则亲代个体都必有该性状隐性基因C.若子代中出现显性性状,则亲代个体都必有该性状显性基因D.若子代中出现隐性性状,则亲代个体至少有一方含有该性状隐性基因3.下列各项的结果中,不.可能出现3:1比值的是()A.15N标记的DNA在14N培养液中复制三次,子代中不含15N与含15N的DNA数量之比B.黄色圆粒豌豆(YyRr)与黄色圆粒豌豆(YyRR)杂交子代的性状分离之比C.酵母菌同时进行需氧呼吸与厌氧呼吸,并消耗相同葡萄糖时,吸入的O2与产生的CO2总量之比D.动物的一个初级卵母细胞经减数分裂形成的极体与卵细胞的数目之比4.某同学在利用红色彩球(表示遗传因子D)和绿色彩球(表示遗传因子d)进行“性状分离比模拟实验”,实验过程中进行了以下操作,其中错误..的做法是()A.在代表雌、雄配子的两个小桶中放入彩球的数量必须相等B.在每次随机抓取彩球之前摇匀小桶中的彩球C.每次抓取彩球记录之后,应把彩球放回桶D.抓取多次后统计分析彩球组合类型的比例5.基因型为AaBB的个体自由交配,其中各种雌配子的数量相等,各种雄配子的数量也相等。
下列相关叙述正确的是()A.基因的分离定律发生在减数第二次分裂过程,基因的自由组合定律发生在减数第一次分裂过程B.A、a与B、B基因位于两对同源染色体上,则自交子代性状的比能验证基因的自由组合定律C.F1中,纯合子占1/2,基因型不同于亲本的类型占1/2D.F1个体产生各种性状是细胞中的基因控制的,与环境影响无关6.下图(仅呈现豌豆单倍体染色体数目)为豌豆7对相对性状(完全显性)相关等位基因在染色体上的定位。
福建省莆田市2023届高中毕业班下学期3月第二次教学质量检测化学试题

福建省莆田市2023届高中毕业班下学期3月第二次教学质量检测化学试题学校:___________姓名:___________班级:___________考号:___________一、未知1.化学与生产、生活及科技等息息相关。
下面说法错误的是 A .“兴化米粉”的主要成分是淀粉B .“莆田尾暝灯”闹元宵使用蜡烛的主要成分是烃类C .“云度”汽车使用的碳纤维属于新型有机材料D .“福建舰”采用富锌涂层具有防水、隔氧等作用2.从某中草药中提取一种具有治疗癌症作用的有机物,结构如下图所示。
下列说法错误的是A .含有平面环状结构B .含有1个手性碳原子C .能发生取代反应、加成反应D .1mol 该有机物最多能与2mol NaOH 反应3.科学家发现某些生物酶能将海洋中的2NO -转化为2N ,该过程的总反应为2422NaNO NH Cl=N 2H O NaCl +↑++。
设A N 为阿伏加德罗常数的值,下列说法正确的是A .140.5L 1mol L NH Cl -⋅溶液中含4NH +离子的数目为A 0.5NB .标准状况下,222.4L N 中含π键的数目为A 2NC .18克2H O 中含电子对的数目为A 2ND .21mol NaNO 完全反应失去电子的数目为A 3N 4.用下列装置进行相应的实验,能达到实验目的的是①②③④7.活泼自由基与氧气的反应一直是关注的热点。
HNO 自由基与2O 反应过程的能量变化如下图所示,已知升高温度,活化能大的反应速率增大的程度越大。
下列说法正确的是A .1P 比2P 稳定B .升高温度,生成1P 的反应速率增大的程度更大C .该历程中最小正反应的活化能为14.52kJ mol -⋅D .改变催化剂可以改变生成2P 的反应焓变8.我国科学家在寻找“点击反应”的砌块过程中,发现一种新的化合物,结构如下图所示,其中X 、Y 、Z 和W 是原子序数依次增大的短周期主族元素,Y 与W 是同一主族元素。
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莆田六中2015-2016学年高一下学期期中考化学试卷(B)
试卷总分100分,考试时间90 分钟
1. 本试卷分第Ⅰ卷(选择题)和第Ⅱ卷(非选择题)两部分,请将全部答案填到答题卡中。
2.可能用到的原子量:H-1 C-12 N-14 O-16 Na-23 Mg-24 Al-27 K-39
Ba-137 Cu-64 Cl-35.5 S-32 Zn-65 Fe-56
第Ⅰ卷(选择题共48分)
一、选择题(只有一个选项符合题意,每小题3分,共48分)
1、下列关于物质性质的说法正确的是()
A.通常状况下,NO2是无色的气体
B.SO2能漂白品红等物质,说明SO2有氧化性
C.氯化钙溶液和AgNO3溶液混合有白色沉淀产生
D.加热时,铁单质与浓硝酸不发生反应
2、下列各个反应,不能用于工业生产的是()
A.煅烧黄铁矿(FeS2)制SO2
B.电解熔融氧化铝制金属铝
C.钠与水反应制烧碱
D.氯气与石灰乳反应制漂白粉
3、下列说法正确的是( )
A.因为液态氨气化时吸热,可用液态氨作制冷剂
B.用铝制容器盛放浓硝酸,是因为铝和浓硝酸不反应
C.明矾溶于水生成氢氧化铝胶体,起消毒杀菌的作用
D.铝能置换出氧化铁中的铁,钢铁工业利用铝热反应冶炼铁
4、在下列反应中,硫元素表现出氧化性的是()
A.稀硫酸与锌粒反应 B.浓硫酸与铜片反应
C.二氧化硫与氧气反应 D.三氧化硫与水的反应
5、下列试剂的保存方法,错误的是()A.把浓硝酸放在棕色瓶中,并置于冷暗处保存
B.把Na保存在煤油中
C.把NaOH溶液放在带橡皮塞的玻璃瓶中
D.把氢氟酸放在玻璃瓶中
6、下列关于浓硫酸和浓硝酸的叙述正确的是()
A.浓硫酸和浓硝酸常温下均可以与Cu迅速反应
B.浓硫酸和浓硝酸长期露置在空气中浓度均会增大
C.常温下浓硫酸和浓硝酸均不能用铝制容器贮存
D.浓硫酸和浓硝酸均具有强氧化性
7、除去二氧化碳中混有的少量二氧化硫气体,可选用的试剂是()A.饱和食盐水 B.NaOH溶液
C.足量澄清石灰水 D.饱和碳酸氢钠溶液
8、下列鉴别方法正确的是()
A.用澄清石灰水鉴别CO2和SO2
B.用湿润的碘化钾淀粉试纸鉴别Br2(g)和NO2
C.用CO2鉴别NaAlO2溶液和Na ClO溶液
D.用Ba(OH)2溶液鉴别Na2CO3溶液和NaHCO3溶液
9、下列实验的解释或结论不正确的是()
10、下列说法正确的是()
A.SO2使品红、酸性高锰酸钾溶液褪色,分别体现了它的漂白性和还原性
B .将Fe(NO 3)2样品溶于稀H 2SO 4后,滴加KSCN 溶液,溶液变红,说明Fe(NO 3)2样品已经变质
C .在未知溶液中滴加BaCl 2溶液出现白色沉淀,加盐酸沉淀不溶解,说明该溶液一定存在SO 42-
D .浓硫酸可用于干燥H 2、NO 2等气体,但不能干燥NH 3、SO 2等气体
11、某无色混合气体中可能含有Cl 2、O 2、SO 2、NO 、NO 2中的两种或多种气体.现将此混合气体通过品红溶液后,品红溶液褪色,把剩余气体排入空气中,很快变为红棕色.对于原混合气体成份的判断正确的是( )
A .肯定含有SO 2和NO
B .肯定含有NO 和O 2
C .可能有Cl 2
D .肯定没有Cl 2、NO 2,可能有O 2 12、下图是产生和收集气体的实验装置,该装置最适合于( )
A .用浓硝酸与Cu 反应制取NO 2
B .用浓盐酸和MnO 2反应制取Cl 2
C .用NH 4Cl 和Ca (OH )2反应制取NH 3
D .用H 2O 2溶液和MnO 2反应制取O 2
13、常温下,下列各组物质中,Y 既能与X 反应又能与Z 反应的是( )
A .①③
B .①④
C .②④
D .②③
14、在FeCl 3、CuCl 2混合溶液中,加入一定量的铁屑,反应完全后将固体滤出,下列说法中正确的是( )
A .若滤出的固体只有铜,则溶液中一定含有的阳离子是Fe 2+
,一定不含Cu 2+
B .若滤出的固体只有铜,则溶液中一定含有的阳离子是Fe 2+,可能含有Cu 2+和Fe 3+
C .若滤出的固体只有铜,则溶液中一定含有的阳离子是Fe 3+
和Fe 2+
,一定不含Cu 2+
D .若滤出的固体中含有铁和铜,则溶液中一定含有的阳离子是Fe 2+
,一定不含Cu 2+
和Fe 3+
15、某稀溶液中含有Fe (NO 3)3、Cu (NO 3)2、HNO 3,向其中逐渐加入铁粉,溶液中Fe 2+
的浓度(纵坐标/mol ·L ﹣1
)和加入铁粉的物质的量(横坐标/mol )之间的关系如图所示.则溶液中Fe (NO 3)
3
、Cu (NO 3)2、HNO 3物质的量浓度之比为( )
A .1:1:4
B .1:3:1
C .3:3:8
D .1:1:1
16、已知X 为一种常见酸的浓溶液,能使蔗糖变黑.A 与X 反应的转化关系如图所示,其中反应条件及部分产物已略去,下列有关说法正确的是( )
A .X 能使蔗糖变黑主要体现了 X 的强氧化性
B .若A 为铁,则足量A 与X 在室温下即可完全反应
C .若A 为碳单质,则将C 通入少量澄清石灰水中,最终一定有白色沉淀产生
D .工业上,B 转化为D 的反应需使用催化剂
第Ⅱ卷 (非选择题 共52分)
二、填空题
17.(12分)
Ⅰ、已知A、B、C是中学化学常见物质,它们在一定条件下有如下转化关系
(1)若A是一种淡黄色固体,B是造成酸雨的“罪魁祸首”.则X的化学式为.
(2)若A一种黄绿色气体,X是生活中使用最广泛的一中金属.则B与金属Cu反应的离子方程式为.
(3)若A是无色有刺激性气味的气体,B在空气中会立即转变为红棕色,则 A气体与X反应的化学方程式为.
Ⅱ、在浓硝酸中放入铜片发生反应:
(4)待反应停止后,若铜有剩余,再加入少量25%的稀硫酸,这时铜片上又有气泡产生,原因是(用离子方程式表示)
(5)若将12.8g铜跟一定量的浓硝酸反应,铜耗完时,共产生气体5.6L(标况).则所消耗硝酸的物质的量是 mol.
(6)将收集上述气体的容器倒扣在盛有水的水槽中,并向其中缓慢通入O2,使其充分反应,若要使水恰好充满容器,理论上需要参加反应的O2的物质的量是 mol.
18、(12分)烟气的脱硫(除SO2)技术和脱硝(除NO x)技术都是环境科学研究的热点.
(1)烟气脱硫、脱硝的环境意义是;
(2)一种选择性催化脱硝(NO2)的原理为:6NO2+8NH 37N2+12H2O
①上述反应中被还原的元素是(填元素符号),反应中每转移2.4mol电子,生成N2的物质的量为.
②超音速飞机排放的尾气是平流层中NO x的主要来源.它们破坏臭氧层的主要机理为:
Ⅰ、O 3O+O2
Ⅱ、NO+O3→NO2+O2
Ⅲ、NO2+O→NO+O2
上述反应中NO所起的作用是.(3)表列出了2种燃煤烟气脱硫方法的原理.
方法Ⅰ中用氨水吸收燃煤烟气中的SO2转化为NH4HSO3,写出该反应的离子方程
式:,是利用了SO2的性质(选填字母编号).
A.漂白性 B.氧化性 C.还原性 D.酸性氧化物.
19、(14分)如图是某学校实验室从化学试剂商店买回的硫酸试剂标签上的部分内容.
Ⅰ.硫酸具有A﹣D所示的性质,以下过程主要表现了浓硫酸的那些性质?请将选项字母填在下列各小题的括号内:
A酸性 B 吸水性 C 脱水性 D 强氧化性
(1)浓硫酸可以干燥氢气
(2)浓硫酸使木条变黑
(3)热的浓硫酸与铜片反应
(4)浓硫酸使胆矾变为白色
Ⅱ.现用该浓硫酸配制100mL 1mol/L的稀硫酸.可供选用的仪器有:
①胶头滴管;②烧瓶;③烧杯;④药匙;⑤量筒;⑥托盘天平.
请回答下列问题:
(1)配制稀硫酸时,上述仪器中不需要使用的有(选填序号),还缺少的玻璃仪器有(写仪器名称);
(2)经计算,配制100mL1mol/L的稀硫酸需要用量筒量取上述浓硫酸的体积为 mL(保留一位小数).
Ⅲ、下图为浓硫酸与铜片反应的装置.请回答:
(1)浓硫酸与铜片反应的化学方程式为.(2)反应一段时间后,试管乙中品红溶液的现象是.
20、 (14分) 某化学兴趣小组为探究SO2的性质,按如图所示装置进行实验.
请回答下列问题:
(1)实验开始前要进行;
(2)装置A中盛放浓硫酸的仪器名称是,装置A中发生反应的化学方程式为(3)实验中,装置B中发生的现象是,该现象说明SO2具有的性质是;
(4)装置C中无色溶液中出现黄色浑浊,说明SO2具有的性质是 . (5)装置D的目的是探究SO2与品红作用的可逆性,请写出实验操作及现象
;
(6)尾气可采用溶液吸收,发生反应的离子方程式为。