19:36l令14高二化学答案.pdf答案:pH在5~9时,主要微粒为H3As03和H2As03,带负电荷的微粒H2As03的含量随溶液pH增大而增大,更易于被带正电荷的氢氧化铁胶粒吸附,吸附效果变好,同时pH升高更利于铁盐水解,促进生成更多的FC(OH)3胶体,吸附效果增强;第5页共9页18.(14分,每空2分)I(1)能(2)AE(3)促使衡正向移动,提高氨的衡产率:加快合成氨反应速率。K155(4)K23x2305Ⅱ.(1)2NH3(g)+C02(g≠H0(g)+CONH2z(s)△H=-133kmol。(2)二55【详解】1(1)N,(g)+3H,(g)≠NH,(g)△H=-92.4mo'AS=-200J.K1.mo,常温下△HT△S=-92.4 KJ.mol-298K×(-0.20K.K1,mol')-32.8K·mol
高三第一轮复周测卷教学札记高三第一轮复周测卷·化学周测卷二氧化还原反应的人所关酒(40分钟100分)中的几种,》考情分析园微信扫码回图只高考对接点氧化还原反应是高考频考点,在高考中常以选择题或填空题的形式考查学疑难点陌生氧化还原反应的离子或化学方程式的书写及相关计算滚动知识点物质分类;离子反应观看微课视场典型情境题1、7、8、9、12、13课外题解析下载复课件可能用到的相对原子质量:H1C12N14016Na23A127S32C135.5Mn55Fe 56 Cu 64 Zn 65第I卷(选择题共48分)题序12345678910答案C B A CC A CC ACBC离子是、选择题:本题共6小题,每小题4分,共24分。每小题只有一个选项符合题意。1.古诗词是古人为我们留下的宝贵精神财富。下列诗句不涉及氧化还原反应的是【程式:A野火烧不尽,春风吹又生B.春蚕到死丝方尽,蜡炬成灰泪始干量是C.粉骨碎身浑不怕,要留清白在人间D.爆竹声中一岁除,春风送暖入屠苏子在?【解题分析】可燃物的燃烧、炸药的爆炸均属于剧烈的氧化还原反应,而CaCO:高温分解生成CaO和CO2,CaO十H,O一Ca(OH)2,反应中每、碳、氧3种元素的化合价均不发生变化,不涉及氧化还原反应,C项符合题意。应,【答案】C家答2.下列反应中,水只作还原剂的氧化还原反应是A.C12+HO—HCI+HCIO。苏,食3共,伦小丽,酸心共圆本:福就数,为B.2F2+2H2O—4HF+O2C.2K+2H2O—2KOH+H2ND.CaO+H2O-Ca(OH)2【解题分析】反应中HO中的HO元素化合价均未发生变化,水既不是氧化剂也不是还原剂,A项不符合题意;反应中HO中的O失电子,H元素的化合价不变,水只作还原剂,B项符合题意;反应中H2O中的H得电子,水只作氧化剂,C项不符合题意;反应中元素化合价均未发生变化,不是氧化还原反应,D项不符合题意。【答案B3.反应11P+15CuSO,+24H0一5CuP+6HP0,十15HSO:中,被氧化的磷原子与被还原的磷原子个数比是A.6:5B.5:6C.11:5D.11:6【解题分析】11molP参加氧化还原反应,有5molP化合价降低被还原生成5 mol CusP,有6molP化合价升高被氧化生成6 mol H:PO4,所以被氧化的P原子与被还原的P原子个数比是6:5。【答案】A【24·G3ZCJ(新高考)·化学-R-必考-QGA-Y】
基3.当我们准备好做一件事情时,要想到好运和厄运可能会同时到来。☆reason n.原因;理由When we are readyto do a thing,we·the reason for(doing)sth.(做)某事的理由础must think that good and bad luck may come at·“the reason+why/that从句”..的原the same time.因训4.有时一个简单的行动就会给我们带来危险。☆successful adj..获得成功的;有成就的Sometimes a simple action can bring danger tobe successful in/at(doing)sth.成功做某事us.拓展:success n.成功;成就练5.所以当我们干得好的时候,不要太得意。succeed v.成功;有成就;有作为So when we doagoodjob donbe too proud.(第IⅢ题连起来是一篇完整的语篇哦!你注意到了吗?)同根据汉语提示完成短文。每空词数不限。Self CheckGreg is a 1.successful(成功的)writer.He is2.·词汇串烧步famous as(作为..而出名)one of the youngest根据短文内容及汉语提示,填写单词或短语。writers in our town.Heis3.famous for(因...而练出名)writing children's books.Greg4.My favorite book is Robinson Crusoe.The 1.main character(主角)Robinson in the bookbecame(变得)famous when he was only15 yearsold.When people ask him about 5.liked sailing(航海).One day,somethingthe reason for his success(他成功的原因),heterrible2.happened(发生).All the people onthe ship3.lost their lives(失去了生命)exceptoften says,"Find something you love and workhard,and then you'‖6.succeed(成功)one day(除..之外)Robinson.He got to an islandand tried to live there.It was hard for him.基I.用括号内所给单词的适当形式完成句子。There wasn't enough food on the island.Some1.Many people think that good lucktimes dangerous animals4.appeared(出现).It础appears(appear)along with bad luck.seemed that life5.became meaningless(变得毫无意2.Some say these words are meaningless(meaning),义)to him.However,.the6.unlucky(不幸的)mandidn't give up.After living there for twenty-eight训but some say they are true.3.Here is one of the most famous (famous)storiesyears,he was7.successful(成功的)in finding helpabout it.and left the island at last.The story of Robinson is练4.An old man had a horse,but one day hereally8.educational(有教育意义的).In our dailylost (lose)it.His neighbors felt sad for him.life,itis9.common(常见的)to have hard times,,5.However,the old man said,"How do you knowbut we should never10.lose hope(失去希望).this is unlucky (lucky)?Maybe it's a good thing."Instead(相反),we should always try our best tosolve the problems.Ⅱ.根据首字母及汉语提示完成句子。1单元收藏夹基1.A few months later,the horse came back with基短语汉译英。some good horses and the old man became(变得)计划/希望/期待做某事plan/hope/expect to do sth,础rich.础2.查明;弄清2.The neighbors said he had good luck,but the oldfind out3.关于…进行讨论have a discussion about...训man told them it m ight_(可能)not be a good thing.3.One day the old man heard his son broke his leg训4.动作影片action moviecome out练when learning to ride a horse,and he said it was5.出版;出现quite common(常见的).练6.准备好(做某事);愿意(做某事)be ready to do sth4.The next year,awar(战争)started and all the7.尽某人最大的努力try one's bestyoung men must go into the army(陆军)8.装扮;乔装打扮dress up5.The old man's son had a reason(原因)not to go,9.代替;替换take sb's placebecause his leg was broken.10.干得好do a good job句子汉译英。基L,根据汉语意思完成句子,每空一词。11.你觉得脱口秀节目怎么样?础1.另一个年轻人代替他去了前线。What do you think of talk shows?Another young man took his place to the12.我希望弄清楚世界各地发生了什么。I hope to find out what's going on around the world.训front.2.很多人都在战争中去世了,但老人和他儿子成13.你可以期待从他们那里学到很多东西。You can expect to learn a lot from them.练功地活了下来。14.主要原因之一是米老鼠就像一个普通人一样。Many people died in the war,but the old man andOne of the main reasons is that Mickey was like ahis son were successful in surviving.common man.15.他总是设法面对任何危险。He always tried to face any danger
项和为S,则S2023C.)2023.2025法国数学家傅里叶用三角函数诠释美妙音乐,代表任何周期性声音和动的函数表达式都是A.1012B.2020形如y=Asinox的简单正弦型函数之和,这些正弦型函数各项的频率是最低频率的正整数倍(频率是指单位时间内完成周期性变化的次数,是描述周期运动频繁程度的量).其中频率最低的一8项所代表的声音称为第一泛音,第二泛音的频率是第一泛音的2倍,第三泛音的频率是第一泛音的3倍…、例如,某小提琴演奏时发出声音对应的震动模型可以用如下函数表达:y=0.06sin10001+0.02sin2000t+0.01sin3000/(其中自变量1表示时间),每一项从左至右依次称为第一泛音、第二泛音、第三泛音.若一个复合音的数学模型是函数∫()=inx+)inox(xeR)(从左至右依次为第-一泛音、第二泛音),给出下列结论:①(x)的一个周期为3元:②f(x)的图象关于直线=2n对称:③()的极小值为-39,国()在区间[0,2网上有2个零点,其中正确结论的个数有D.4个A1个B.2个C.3个多项选择题:本大题共4小题,每小题5分,共20分.在每小题给出的选项中,有多项符合题目要求。全部选对的得5分,部分选对的得2分,有选错的得0分.二、已知a>0,b>0,且a+b=2,则2°+202491og2a+log2b≤0a2+b2≥42a+=a-2ani(n∈N+),则下列结论正确的是10.i知数列{a,}满足4=2201侵斗为等比数列an0B,{a,}为递增数列的前n项和T.=2*2-2n-4{a,}的通项公式为a,=2-211.己知正方体ABCD-4C,D的棱长为1,若点P在线段AD,上运动(不含端点),则下列结论正确的是A.直线B,PI面BDCV1A0,△BPD周长的最小值为2+√2c.三棱维B-PD与三棱锥C-PCD的体积之和为后√当2AP=PD,时,DP与面BC,D,所成角的正切值为312.已知f(x)=2,则下列有aln(x+1),x≥0A.对于任意a∈R,函数f(x)有且只有两个零点V太1以当a
2023一2024学年度上期高一七校开学联考英语试题命题学校:重庆市江津中学命题人:王倩审题人:左中志满分:150分,考试时间:120分钟注意事项:1.答题前,务必将自己的姓名、准考证号等填写在答题卡规定的位置上。2.答选择题时,必须使用2B铅笔将答题卡上对应题目的答案标号涂黑。3.答非选择题时,必须使用0.5毫米黑色签字笔,将答案书写在答题卡规定的位置上。4.考试结束后,将答题卷交回。第I卷(共95分)(请将第I卷各题的答案用2B铅笔填涂在答题卡相应位置,试卷上的答案不予给分)I.听力测试。(共30分)第一节:情景反应(每小题1.5分,共9分)听一遍。根据你所听到的句子,从A、B、C三个选项中选出最恰当的答语,并把答题卡上对应题目的答案标号涂黑。].A.Monday.B.September.C.May 1st2.A.Of course.B.Tina.C.Apen.3.A.Have a good time.B.I'm sorry to hear that.C.We'll have to stay at home.4.A.Congratulations.B.Good idea.C.It doesn't matter.5.A.I won't,thanks.B.I'm sorry.C.OK,let's go6.A.You're welcome.B.Yes,I am a student.C.Sorry,I'm also new here.第二节:对话理解(每小题1.5分,共9分)听一遍。根据你所听到的对话和问题,从A、B、C三个选项中选出最恰当的答语,并把答题卡上对应题目的答案标号涂黑。7.A.Some photos.B.A park.C.Kite flying.8.A.One year.B.Two years.C.Three years.9.A.Three dollars.B.Five dollars.C.Eight dollars.10.A.Because he can sing along with it.B.Because he can dance to it.C.Because he likes the great lyrics.11.A.By air.B.By car.C.By train.12.A.It's cool.B.It's cold and rainy.C.I don't know.第三节:(每小题1.5分,共6分)听两遍。根据你所听到的短文内容,从A、B、C三个选项中选出最恰当的答语,并把答题卡上对应题目的答案标号涂黑。听下面一段材料,回答第13和14小题。13.Where does the woman want to go?A.To the hospital.B.To the hotelC.To the restaurant.2023-2024学年度上期高一七校开学联考英语试题第1页共10页
四个选项中,选出最佳选项,并在答题卡上将该项涂黑。AAbout Scholastic Kids PressScholastic Kids Press is a group of talented kid reporters,ages 10-14,from across the country and around theworld.Since 2000,our award-winning young journalists have reported "news for kids,by kids",covering politics,entertainment the environment,sports and more in their hometowns and on the national stage.Their stories appearonline and in Scholastic magazines,which reach more than 25 million students in classrooms nationwide.Scholastic Kid Reporters have made headlines (by interviewing Pulitzer Prize-winning composer Lin-Manuel Miranda,environmentalist Jane Goodall,Librarian of Congress Carla Hayden,Nobel Peace Prize winnerMalala Yousafzai,Dog Man author Dav Pilkey,actress Misty Copeland and more.Contact InfoEmail us at kidspress@scholastic com.How to apply?We are now accepting Kid Reporter applications for the 2023-2024 program year.Learn more and downloadthe application here.The application to join Scholastic Kids Press includes writing a news story,story ideas and a personal article.Editors select Kid Reporters every year based on writing ability,interviewing skills and attention to detailTo be considered,applicants must be between 10-14.Students in any part of the world are welcome to apply.What do Scholastic Kid Reporters write about?Throughout the year,Scholastic Kid Reporters cover issues and topics that matter most to them and theirpeers().This includes current events,breaking news,entertainment,sports and more from their communities.The Kid Reporter application is now open!Click here to learn more.21.Why does the author mention some people in the second paragraph?A.To show Scholastic Kid Reporters'success.B.To introduce Scholastic Kid Reporters'various readers.C.To prove Scholastic Kid Reporters'effects on famous people.D.To tell us the topics Scholastic Kid Reporters value.22.What does Scholastic Kids Press pay much attention to about the applicants?A.The place they come from.B.Their age.
取k=0..6分因此,函数y=f(x)在区间.7分(2)又因为x∈R,f(x)+f(2t-x)=0,所以函数f(x)图象的对称中心为(t,0),.8分则f)=5sn2+-0,所以2+君=kre7列,..10分6解得1=kπ-石(k∈Z),.11分212】当k=1时,1取到了最小正值为5π..12分1219.解:(1)设等差数列{an}的公差为d,则等差数列{an}通项公式为an=a1+(n-1)d=a1-d+dn,所以(n+1)(a-d+dn)=dn2+a,n+(a,-d)=4n2+n+k,d=4d=4所以a=1,所以a=1,所以an=1+4(n-1)=4n-3,.3分a-d=kk=-3又因为2Tn=3bn-3,所以当n≥2时,2Tn1=3bn-1-3,两式相减可得2bn=3bn-3bn-1,即bn=3bn-1,令n=1,则2b=36-3,解得b=3,所以数列{b}是以3为首项,3为公比的等比数列,所以bn=3”...6分定a+%=城+a可告,a8,g-94所以4+a,-5++39+k_49+3张=2a,-36+2,解得k=-3,(其他同上)2443法三、(n+)a,=4+n+可得a,=4n+n+k_4n+12-7n+1)+3+kn+1n+1解得k=-3,(其他同上)(2)由(1)可知,41=1,a2=5,43=9,…,a21=81,…,a50=197,a51=201,a32=205,b=3,b2=9,b3=27,b4=81,b=243,第4页共8页
Dear Mr Brown,Having known that you plan to take a series of photos to show the conditions and customs of myhometown,I can't wait to recommend Mr Liu as your driver and guide.For one thing,Liu is the most experienced guide I know.Being familiar with every corner of thiscity allows him to take you to any place you want to go.For another,outgoing,sociable and fluentin both English and Chinese,he is certainly capable of taking on this responsibility.Additionally,he has 10 years of driving experience,which can guarantee your traffic safety.If possible,could you talk to him in person at your convenience?Yours,Li Hua。
W:No,I'll keep things online to keep cost down,but I will add more styles for men and kids.M:Wish you success,Molly.(Text 9)W:Carl,how did your driving theory test go?M:I prepared it as much as I could.Yesterday,right after the test,they printed out my result.It was such arelief to pass.W:I knew you could do it.Congratulations!M:Thanks.You know it was my second try.I was afraid of a second failure.W:Anyway,good job for passing it.Now,all you have to do next is your road test.Have you had any lessons yet?M:Yes,I really enjoyed it and I can't wait for my next session.W:How's your instructor?Is he strict?M:He is very understanding.This time I'll need to make a lot more practice and hopefully it will be successfulthe first time.W:Well,good luck.(Text 10)M:Hello,welcome to the lab!It will be your workplace from now on.Please remember some rules I explain toyou today.My name is Tony.I am your guide for this lab tour.As you may have been told already,thereis a safety meeting once a week.I expect you to know the lab safety rules.There will be a brief test everytwo weeks.How you perform in this test will be noted in your personnel file and could affect your salary.The most important information I want to give you now is about safety and cleanliness.First of all,the onlyacceptable shoes are sports shoes;don't wear jackets,necklaces or loose belts;you should wear full-protectedclothing in the lab.Second,everything must be kept clean.Wash your hands before handling anyequipment.This is extremely important.Tools and jars should be kept absolutely clean and avoid anypollution.OK.Any questions?参考答案1~5 CABCA 6~10 ACBBA 11~15 ABCBC 16~20 BACCB【答案与解析】本文是一篇应用文。文章主要介绍了四位在困境中崛起的杰出人物。2l.B细节理解题。根据Oprah Winfrey一节“..Oprah was born into a poor family in Mississippi...”及JimCarrey一节“But Carrey grew up extremely poor in Canada.”可知,Oprah和Jim都生在穷苦家庭。22.D细节理解题。根据James Dyson一节“..let me introduce you to James Dyson,the famous inventor ofthe Dyson vacuums(真空吸尘器)..Luckily,.the bagless vacuum worked..”可知,James Dyson成功研发出了无尘袋吸尘器。23.B细节理解题。根据Stephen King一节“Before Stephen King became known as a great living writerhaving written over60 novels...”可知,Stephen King是一位小说家。【答案与解析】本文是一篇说明文。面对日益泛滥的外来物种一野生黑芥末,加州民间团体自发行动起来采取积极有效的措施遏制其野蛮生长。24.C细节理解题。根据第二段“But the clothing designer who used the plants to dye(染色)his spring andsummer lines..”及第五段“Kingery's line features sweatshirts,pants,and other items dyed naturally usingmustard..”可知,Max Kingery利用野生黑芥末制作染料给衣服染色。25.D段落大意题。通读第三段,尤其是“..making it easy to cause wildfires..Mustard is also a threat tonative plants..”可知,本段主要介绍野生黑芥末的危害。26.C推理判断题。根据第五段“Artist Erin Berkowitz of Berbo Studio makes dyes from the species,includingthe dye for Kingery's clothing line.She has offered classes along with a chef who makes food out of themustard greens and flowers.”可推断,Erin Berkowitz的做法很有创意。27.A推理判断题。根据第三段、第四段及第六段“To that end,artist Nadine Allan made a digital magazine..”可推断,Nadine Allan创办这份电子杂志介绍野生黑芥末的新用途,最终抑制其野蛮生长。【答案与解析】本文是一篇说明文。五月份发表的一项研究通过对比基因数据,试图解释马达加斯加岛上为何生活着各种奇特的动物。28.A细节理解题。根据第二段“But a comparison of genetic data from modern Malagasy species with thefossil()record of their ancestors from the African mainland has revealed that this is likely what4【一联试卷·英语参考答案第2页(共4页)】
听力材料5.In order to avoid getting (get)bored,it'sText 1important to break out of your comfort zone byW:Look!The sign at the gate of the park saysfinding fresh activities and passions.听that motorcycles are not allowed in the park.6.When we got out of the supermarket,the old ladyM:Let's park our motorcycles here.(1)We cankept thanking (thank)me over and over again.just take a walk or ride a shared bike instead.7.They are used to preparing (prepare)dinner byText 2M:Laura,these pills are for you.Take one in thethemselves,so they seldom eat out.morning and one in the evening.(2)You will feel8.When Peter was at university,his favorite activitybetter three days later.was playing(play)basketballW:OK,I see.Thank you.gⅡ.用括号内单词的适当形式或适当的连接词完成短文。Text 3It is well known 1.that Quan Hongchan is aW:Did you call the moying company?The moversrising star in the world of diving.2.What made her听were supposed to arrive by 9:00,but it's alreadyfamous overnight was that she won the gold medal at10:00.Are they lost?the Tokyo Olympics with her impressive performancesM:Well,they had trouble with their truck on theand skills at the age of 14.That year,she became oneway.(3)They just got it fixed and will be heres00n.of the youngest Olympic champions in history.W:OK.It is a fact 3.that Quan Hongchan comes from aText 4poor family.Before becoming famous,4.what QuanM:Sally,you won first place in the Roboticswanted to do most was earn money to treat herApplication Skills Competition.Congratulations!mother's disease.5.Why she performed quiteW:I can't believe it,Mr Jackson.I really didn'twell in various competitions is not a mysterythink I could get first.(4)It is her hard work that has made her what she is now.In her opinion,hard training all the time is the key toText 5success,so she keeps 6.practicing(practice)the sameM:The doctor said I should get more vitamins,movements over and over again.7.What moved her听and eggs are rich in vitamins.I decide to eatcoach was that Quan often spent extra time 8.perfecting(perfect)her skills.at least one egg a day.Mom,do we still haveany eggs in the refrigerator?(5)Although Quan is very young,9.becoming (become)W:Let me have a look.(5)Well,I guess I havea famous athlete doesn't make her arrogant(自大的),to go to the supermarket tomorrow.Instead,she remains calm in the face of countlesscompliments.It makes her fans excited 10.that Quanhas won several champions since 2021.Now,QuanHongchan is an outstanding athlete and a role model fo6'young divers around the world.g第二节听第6段材料,回答第6、7题。④6.What did the woman dislike about the trip?A.The views.B.The weather.TEST YOURSELF力◆.The accommodation7.What did the man do during the winterUnit 3~Unit 5holiday?(选择性必修)Book1A.He traveled to Paris.B.He took some exams.He just stayed at home.第一节1.How did the speakers get to the park?听力材料A.By bike.By motorcycle.C.On foot.Text 62.How often should Laura take the medicine?M:Hey,Betty.Did you go to any interesting places during the听A.Once a day.Twice a day.听winter holiday?C.Three times a day.W:Yes.I went to a town east of the Danube and stayed there fora few davs.力3.Why are the movers late?A.They lost their way.M:H ow did you feel?W:The weather was good and the views were amazing.How IB.They got the wrong time.wish my father had got us a better hotel!The room I stayed inTheir truck broke down.had an unpleasant smell.(6)How was your holiday?4.How does Sally sound?M:Don't mention it.I had been working part-time to save moneyA.Confused.多Surprised.for my planned trip to Paris,but you know how I did in lastC.Delighted.semester's final exams.My parents didn't allow me to go5.Where are the speakers?anywhere for the whole holiday.(7)老me pernarkB.In the hospitalW:Poor you.2


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