阅读理解A导语:本文是一篇应用文,属于“人与社会”主题语境。介绍了一则“招募研究参与者”的广告。21.D。推断。根据第一部分的第二、三句可知,参与者需进行一个电话筛选及一次三小时的现场筛选,符合条件者还需进行九次现场访问,每次持续四小时,故完成该项目的参与者至少需要投入39小时。22.B。理解具体信息。根据第二部分的前两句可知,该研究需要体重指数大于25的男性志愿者,因此,它欢迎超重的男性作为研究对象。23.C。理解具体信息。根据最后一部分可知,要了解有关“Feed the Bird'项目的更多信息,可以发送电子邮件至varghe9@jhmi.edu。B导语:本文是一篇夹叙夹议文,属于“人与自我”主题语境。作者用小时候受她妈妈教诲的经历,强调道歉的重要性,并告诫读者要注意正确的道歉的方法。24.A。推断。根据第二段的Two things she wouldn't tolerate...a risk of feeling it on your"butt”可推知,在作者小时候,母亲教育孩子时对孩子的言行要求十分严格。25.B。理解具体信息。根据第三段的I place much emphasis on leaders'ability to apologize可知,作者认为领导力中很重要的一点是“勇于认错”。26.C。理解词义。根据其前后文So an apologyneeds to be sincere.and sharing how they intend to make up for the misbehavior.可知作者说:道歉要真诚。这个真诚态度需要表明道歉的人对他们所做或所说的负责,并分享他们打算如何弥补。由这些推断出remorse意为“悔恨”。27.A。理解主旨要义。通读全文可知,作者用亲身经历指出道歉的重要性,并分析了何为正确的道歉方法及其意义,故“道歉的艺术”最适合作为文章标题导语:本文是一篇说明文,属于“人与社会”主题语境。研究人员发现白金具有自愈能力,这一发现颠覆了材料科学领域的相关认知,这为开发更耐用的材料提供了新思路。28.A。理解具体信息。根据第一段metals.justlike.body actively regrows.autonomously fix damage可知,研究人员发现金属具有自我修复的能力。29.C。推断。第三段通过宇宙飞船的例子说明了“千里之堤、溃于蚁穴”的道理,即难以察觉的疲劳损伤会导致整个大工程的失败,暗示关注材料产生的疲劳损伤的重要性。30.B。理解具体信息。根据第五段第二句可知,研究人员想要了解疲劳损伤产生的裂纹是如何在金属中形成和扩散的,再结合第六段special technique200 times per second可知,研究人员用这一特殊手段来使材料产生疲劳损伤和裂纹。31.D。推断。根据末段可知,研究人员将白金置于真空中发现了它的自愈能力,他们在后续研究中将验证常规金属在普通条件下是否具备这一特征。D导语:本文是一篇说明文,属于“人与社会”主题语境。一些研究人员通过提高癫痫病人头脑中海马体和前额皮质区域的同步性,帮助这些病人提高了记忆力。32.C。推断。根据第一段的wanted to know whether increasing synchrony.memory of facts andevents..可推知,他们想知道提高大脑内部区域的同步性这一方法能否帮助提高记忆力。33.A。理解具体信息。根据第三段的some of them got tiny pulses of electricity through the wires
第9期A2版Keys:(One possible version)高频词汇I.1.make money2.succeeded in3.figure out4.account for5.leave a good impression uponII.1.will attempt;port2.charge;was confirmed3.astonished:border高能句式I.1.Mr Sun came in with a book in his hand2.Jenny opened the door for me with a smile on her faceII.1.To be honest,Judy is cleverer than her younger sister.2.As far as I know,your school is bigger than ours.语法进阶I.1.would drive2.would give3.was going to take off 4.would teach 5.would goII.1.had helped2.where3.a4.to give5.would feel6.from7.appreciative8.fairly9.locals10.employment第9期A3版Keys:(One possible version)高频词汇I.1.was looking through2.all of a sudden3.keeps on4.went down the stairsIⅡ.1.disasters2.claimed3.exceptionally4.property5.forecast6.immediately7.shelters8.sufficient高能句式I.1.he is said to have completed his tenth novel2.The coming hurricane is said to be the worst one of this yearII.1.Ann gave her father a big hug,her tears filling her eyes.2.My grandpa sat in his chair,his eyes closed.语法进阶I.1.My father said that he was happy,but actually he wasn't happy.2.Jackson didn't come to the museum,though his friend had invited him to come to the museum3.Even if he was warned not to play computer games several times,Henry wouldn't listen to it.4.Jane was very excited when she was told that she had passed the math exam.Ⅱ.1.Sounds great2.but she still wants to3.Very interesting4.If possible第9期A4版Key(One possible version):实战演练An Unforgettable Family MemoryDear friendsI'm honored to be here and give you a speech.We all have many unforgettable familymemories.Now,I'd like to share one of my favorite family memories-participating in aten-kilometer cross-country race with my parents.
第二节阅读下面短文,从短文后的选项中选出可以填入Lewin found Paley was not being himself and 49 to第空白处的最佳选项。选项中有两项为多余选项。World Savings Day is a holiday.36D This holiday encourageseveryone to think about the importance of starting a savings account.It部wants everyone to realize that they should have at least 3-6 months'worth第三部分reply to Lewin when she called him like before.Lewin knew something was not 50.She thought thecat wanted to be 51,so she walked after him.of expenses(开支)in their savings accountPaley led her to a large tree.That was when LewinPeople should celebrate World Savings Day and make sure theirfinancial(财务的)house is in good order..If people spend2,0o0 a month.saw a woman 52 on the snow.they'll need to have anywhere from6000to000 in savings.So语(A)49.A.refusedB.expectedpeople are more able to deal with any possible,sudden situation that needsC.learnedD.managedmuch money.合(C)50.A.readyB.possibleC.How did this holiday come into being?用C.rightD.importantD.It is celebrated on the 31st of October each year.(B)51.A.accepted B.followed C.lectured D.caughta goo(A)52.A.lyingB.walking C.working D.riding38C World Savings Day was first imagined as International SavingsDay and it was organised by the First International Savings Bank CongressShe didn't reply when Lewin called her.Lewin第that was held in Milan,Italy in 1924.The purpose of them creating thishad worked on a rescue team(救援队)for manyholiday was to encourage people not to keep their money at home but toplace it in banks.the end of WWII.economies (wereyears and 53 what to do.She quickly called 911 and部being rebuilt and people had more money in their pockets.As a result,this第三部分cared for her.54,the woman was fine in the end.holiday became popular as World Savings Day.This story shows that 55 come in all shapes andThis holiday can be celebrated in several ways.First,a person cansizes,and that we should never underestimatefind out how much he needs to spend in a certain period and make a plan tosave money every week.They can think of this as paying themselves first语pets and animals.before spending money on things that are not necessary.Besides,people(D)53.A.wonderedB.forgotcan spread the news about saving online.40HC.explainedD.knew(B)54.A.NaturallyB.Luckily用C.Suddenlyeach veaD.SurprisinglyE surely it's even better to have more savings than that(C)55.A.partnersB.animalsF.This is also a good day for people to teach their kids about savingG.After all,it was safer to put money in banks than placing it under the becC.heroesD.favourites第一节阅读下面短文,从每题所给的A、B、C、D四个第二节阅读下面短文,在空白处填入1个适当第选项中选出可以填入空白处的最佳选项。的单词或括号内单词的正确形式。The word“hero”is usually used to describe a第三部Finally,the first day of senior high school arrived分person who does some act of bravery.This story,I was really curious 56 about the new school lifehowever,is about a cat named Paley.The cat 41 aon the first dav.语woman.The moment I entered the classroom,I lookedMarci Mitchell and Jean Lewin are two women语around.I saw all my classmates waiting 57anxiouslyliving at Spring Grove Apartments.(anxious)for the bell to ring.After I sat down,I(C)41.A.trusted用B.supported用58 exchanged (exchange)a smile with my deskmate.C.savedAs soon as the bell rang,a middle aged manD.influenced恩59who/that wore a big smile on his face walked in.They found Paley on the street and wanted to第三部分create a 42 for the homeless cat,but he was not 43He introduced himself as Mr Malouf and told usSo the women took turns 44 him.They made surehe could keep warm in the cold winter nights.Both第三部分that he was our class teacher.Then he asked us60 to introduce (introduce)ourselves to each otherwomen had 45 with cats as they each own theirincluding information like our names,hobbies.语own cats as well.junior high schools,61 and a fact about(A)42.A.home B.meal C.jobD.videoourselves.Next,Mr Malouf told the class about(B)43.A.impressedB.interested言运his background after we asked where he was from.C.patientD.frightenedWe finished the first class with the 62 impression用(D)44.A.looking atB.looking for(impress)that our senior high school would beC.looking into D.looking aftercolorful.⑧(B)45.A.trouble B.experience C.funD.help⑧Slowly but surely,Paley started getting 46 with theOur next class was Mrs Kelly's biology class.She第三部分kind women and warming to them.He would第三部分has very strict rules that the students 63 are requiredsometimes allow them to 47 him,and would even sit(require)to follow.When I heard these rules,I goton their legsvery nervous.Although Mrs Kelly appeared strict,One night,Lewin was told that Paley was cryingI found her also 64helpful (help)and patient.and acting 48.At the end of the day,I learned if I did not work(A)46.A.comfortableB.smart语嘉hard,I would not achieve my goals.However,C.boredD.annoyedsenior high school is also about being free,(C)47.A.0wnB.lead C.pet D.callbeing able to join clubs and have fun.I really look(D)48.A.freelyB.similarly用forward to 65 seeing (see)my classmates andC.strategicallyD.strangelyteachers tomorrow.
第三节听对话选择答案听第1段对话,回答第11小题。听力材料既(B)11.Whose book is it?A.It's Ben's.顕W:Hello,I'm Emily.I'm in Class Two,GradeSeven.B.It's Jim's.M:Hi,I'm Peter.We're in the same class.C.It's Sam's.W:That's good.I'm from England.How aboutyou?M:I'm from America.g⑧听力材料第四节朗读单词:蹑W:Look,Ben!Here is a book on my bike.Is it贾1.numberyours?2.speakM:No,it's Jim's.3.know4.different句子:1.Are you from Canada?2.Who's that man in a white cap?93.How do you spell your family name?听第2段对话,回答第12-13小题。第五节日常对话(C)12.What's this in English?1.(七年级二班/学生)A.It's an eraser.顕2.(紫色的/99元)说B.It's a pen.3.(我朋友的/美国)C.It's a ruler.(B)13.What color is it?4.(白衬衫1大嘴巴)A.It's black.5.(16岁/中国)B.It's white.C.It's green.⑧⑧听力材料1.Class Two,Grade Seven./He is in Class Two,Grade Seven./Joe is in Class Two,Grade蹑W:What's this in English,Mike?Is it a pen?Seven.M:No,it's not a pen.It's a ruler.W:What color is it?跷2.Purple./It's purple./My new coat is purple.M:It's white.3.My friend's.It's my friend's./That car is myfriend's.4.He has a wide mouth./Ben has a wide mouth./His mouth is wide.Ben's mouth is wide.5.China./I'm from China./I come from China.听第3段对话,回答第14-15小题。⑤听力材料(A)14.What class are they in?1.What class is Joe in?说A.Class 2.2.What color is your new coat?B.Class 53.Whose car is that?C.Class 7.4.What does Ben look like?(A)15.Where is Peter from?5.Where do you come from?A.America.B.China.C.England.g
As one of the great land explorers,Xu Xiake was第二节阅读下面材料,根据其内容和所给段落开头语第三部分said 60.to have travel(Ded (travel)thousands of续写两段,使之构成一篇完整的短文。miles of Chinese mountains and rivers on foot.The注意:written work of Xu Xiake's travel records and1.续写词数应为150左右;diaries contains some 404,000 Chinese characters.第四部分2.请按如下格式作答。61.an enormous work for a single author of his语People including kids tried totime.It mixes 62.details (detail)of geology,knock on our van.geography,.botany(植物学)and local history withthe ratings of Ming Dynasty lodgings(住宿).作to the HikWe and the unknown kids用"On the surface,Xu's travels can neither beclassified as great affairs of state 63._nor greather御s沙quickly got off the van,rushitowards a tall buildingundertakings that changed the course of history第【写作提示】writes the cultural historian Zheng Peikai."Xu第本文的语篇类型是记叙文,主题语境为人与自我。作traveled to satisfy his own 64.curiosity (curious)者一家人在度假时遭遇了海啸,他们停下车救人后目睹了分he traveled for the sake of traveling."可怕的场景,这让作者体会到了生命的意义。Xu Xiake traveled across China for 34 years分根据第一段所给的段首句可知,这一段应描写作者一语Perhaps his 65.greatest_(great)journey was his last.家救人的场景。他们一家是否停下车救人呢?他们最后是At age 50,he traveled to the tropical frontiers of否安全脱险呢?同学们可以根据以上提示展开合理想象。言运Yunnan.Hundreds of years later,we follow.根据第二段所给的段首句可知,这一段主要介绍了作Naturally,he is the father of Chinese backpacking作者一家和被救的孩子脱险后所看到的景象。海啸后作者看到了什么样的情形?劫后余生,作者有哪些感想呢?同们根据提示展开合理想象即可。第一节One possible version:第四部假定你是李华,今天你在商场购物时,碰巧目睹了你校交换生Chris利用急救知识救人的过程。请第四部People including kids tried to knock on our van.And they cried,"Let us in!Let us in!"Although it写一篇英文日记,内容包括:was urgent,my uncle stopped and yelled,"Kids first!Kids first!"What touched me most was that no1.事件发生的时间、地点;2.事件经过;3.你adults tried to rush inside.Instead,they gave way写的感悟。写and allowed the kids to enter,giving the chance of注意:1.写作词数应为80左右;作living to kids.Soon,our extremely crowded vehicledrove away.Finally,we pulled up in front of a2.可以适当增加细节,以使行文连贯。building that was tall and far away from the bead第【写作提示】We and the unknown kids quickly got off the van,本文的语篇类型是应用文,主题语境为人与自我。题目要求写一篇英文日记,记述你遇到留学生同学利用急救知识在商场救人的经历,并就此说明第四部分rushing towards a tall building.We weren't the only onesthere.Many people crowded together here,some of themwet.I saw a young man carrying an elderly lady on the分steps,another elderly lady holding nothing but a few saved你的感悟。belongings,a few young girls waiting for their families,此题属于半开放的提纲类作文,同学们可以根and of course those who were by themselves.Still panicked,写据自己对题目的理解,适当添加和整合信息。正文I gazed out at the ocean,which was brown,filled with要点归纳如下:(1)开门见山,点明时间、地点;作debris...I felt sorrow for the drowning people and wasincredibly grateful that my family had survived.After the(2)具体陈述事件经过;(3)就事件发表自tragedy,I valued my life and the people around me more看法。and I also found the real purpose of life.B1-B4版One possible version:第第四部分October 15,Sunday Sunny191-5ABACB56.whoI went to the biggest shopping mall in my city by bike6-10 BCAAC57.openingthis afternoon to buy a birthday gift for my niece.I wasB11-15 CACAB58.were undertakenbusy choosing a Barbie doll when I heard someone16-20 BCCBA59.comfortablescreaming there.When I crossed the crowd,I found a21-25 BADAA60.to have travel(l)edfamiliar face,Chris,an exchange student in our school,参26-30 CDCBD61.angiving first aid to a young girl.Her right hand was keeping31-35 ACCBD62.details作bleeding.Soon the hand stopped bleeding and Chris was36-40 GABCEhugged by the girl's mother who was deeply grateful.No63.n0rmatter how small things are,as long as they are within or案41-45 CABDC64.curiosityability,we should lend a helping hand.46-50 ADBAB65.greatest51-55 DCABD
绝密★启用前焦作市博爱一中2023一2024学年(上)高三年级期中考试化学考生注意:1.答题前,考生务必用黑色签字笔将自己的姓名、准考证号、座位号在答题卡上填写清楚;2.每小题选出答案后,用2B铅笔把答题卡上对应题目的答案标号涂黑,在试卷上作答无效;3.考试结束后,请将本试卷和答题卡一并交回。一、选择题:本题共14小题,每小题3分,共计42分。在每小题列出的四个选项中,只有一项是符合题目要求的。1.下列离子在溶液中能大量共存且无色透明的离子组是()A.K+、M血O4、Na+、CIB.K+、Na、NO3、CoC.Na*、HC0,、OH、SOD.Cu2+、Na、oH、SO2.下列实验操作、现象和结论均正确且有因果关系的是()选项操作现结论加热时铝箔熔化但金属铝表面氧化用坩埚钳夹住铝箔加热,再用大头针轻轻不滴落,用大头针膜去除后加热时挑破铝膜挑破后滴落不易再生将湿润的pH试纸伸入盛满CI2的集气瓶012的水溶液显最终试纸变红色中酸性在装满水的两个烧杯中分别加入黄主大小金属钾反应更加剧K的金属性强于G的金属钠和钾烈Na向0.01moI·L-1Ba(0H)2溶液中插入电导此时硫酸和氢氧产生白色沉淀最多D率传感器,然后匀速逐滴加入化钡恰好完全反时电导率最低0.01mol·L-H2$04溶液应A.AB.BC.CD.D3在实验室中,用如图所示装置(尾气处理装置略去)进行下列实验,将①中液体逐滴滴入到②中。实验结果与预测的现象一致的是()第1页,共11页
GLOBALREA ENGLS4.While the two men are only days apart in age,词汇综they seem to belong tototally学美花报社different generations.EARNING ENGLISH5.Wanting to get onin life is not onlynatural but also healthy.6.Teenagers who drop outof high新课程高二(B)第13期合复school have trouble finding jobs.综合复(选择性必修)7.What sets Lucy apart from otherplayers is that she has a strong passion for thisBook 1sport.I.用括号内所给单词的适当形式填空。1.When he was in the countryside,he went to the词8.All houses within 100 metres of the seas areatrisk of flooding.汇woods occasionally (occasional),but mostly hestayed in the room writing his novel.9.Without the help of rabbits,many of these2.The process is demanding(demand),challengingand repeated until the dog has mastered the most综species would have to leave the area or mightessential skills of all.even die out10.About 66 million years ago,one such crash复3.When people do things to increase their life复is thought to have wiped out thesatisfaction,they also make themselves moredinosaurs.effective (effect)at work.4.After Jenny finished her speech,praise spreadaround the classroom and even Miss Greennodded her_approval_(approve).gⅢ根据括号内的汉语提示,完成下列句子,每空词5.Doing labor can encourage students to developpractical skills and get other good qualities like词一词。strong wills,unity and cooperation(cooperate).1.Almost 40 years later,David returned to Beirut综6.Although he was in his fifties,he spentforthefirst timecountless (count)hours training hard to综(第一次)and donated$4.5 million to all28highprepare himself for the big game.schools in Lebanon.复7.You'd better write down the phone number of复2.On behalfof(代表)thethat restaurant for future reference_(refer).Students'Union of our school,I'm writing to8.Daria doesn't like to talk about herself andexpress our heartfelt thanks for your wonderfulwhat she does,but she calls on everyone to payspeech on AI.attention to endangered(endanger)species.9.Expecting teens to live without phones is词3.Incontrastto/with(和...对汇not realistic (real),but we can limit theirscreen time.)the previous four months,August was drierthan usual.10.He was quiteannoyed (annoy)at the综4.Net zero-emission targets only makeway she tried to take over the wholesense(有意义)if every country is moving合复meeting合复in the same direction.5.It is difficult to decide which car to buy,but inthe end it usuallyboils downto(归结为)the price.Ⅱ.用适当的介词或副词填空。6.Every studenthasa词1.When she was appointed as the leader of theroletoplay(有作用要project,she poured lots of time and effort汇in making our campus more beautiful.Sointo finding the cure for the deadlylet's act together.disease.7.Each person,onstage or backstage,is essential2.To change the fate of pangolins(穿山甲),in the theatre.Without everyone doing合复Nguyen set out to raise public合复theirpart(尽自己的职责),theawareness of the importance of pangolinplay would be as dull as dirtconservation.8.Tosumup(总之),13.Looking after the flowers and vegetables inconsider myself fortunate to be born here and Ithe yard takes up most of his time,am very proud of my hometown for its history,and he now lives a peaceful life.food,scenery,people and more.
23:44⊙Q8p:56ll56l☐125%never know how jealous I am of your academic achievements!Actually,hobbies are meant to be enjoyed,not to make yourself miserable whiletrying to impress other people.Don't put too much pressure on your schedule as takingon extra hobbies might not be feasible now.You're giving priority to the importanttasks at hand in life and that's good.Also,remember that it's never too late to startup a new hobby.You can try one after college entrance examinationI wish you the best of luck.Yours,819Li Hua第二节读后续写(25分)》She picked it up,not realizing she had paint on her fingers.The fingerprint layquietly on the painting,seeming to support Hazel's Rule of Three Bad Things.Hazelpointed,"Fein's picture is messed up!There's number three."Upset,Emma apologized toFein with her face blushing with shame.Fein comforted her with a pat on her shoulderand stared at the print for a while.Suddenly,with his eyes lit up,he dipped his fingerinto the yellow paint and added two more prints onto the painting.Now,together withEmma's,they looked like three colorful butterflies flying above the green grassland."Want to add another butterfly?"Fein asked Hazel.Hazel thought about it."It willbe fun."Fein encouraged her."How strange!"thought Hazel,hesitantly dipped her fingerinto the print.Gently pressing it onto Fein's painting,she carefully added wings."It looksgreat,"said Fein.Outside,the sky happened to clear up,casting golden bright light onthe field of butterflies.Looking into each other's eyes,Hazel and Fein laughed togethermerrily.Fein said to Hazel,"Forget your Rule of Three Bad Things.Although bad thingshappen,good things happen,too.And sometimes,there were good things hiding wherewe didn't expect them."听力原文Text 1W:John,come in here!The pot is boiling!What do you want me to do?Should I take itoff?M:No,just turn down the heat and cover it for another 10 minutes.(1)I'm busydoing the hamburgers.Do you think you can handle that?Text 2W:You have been getting poor marks recently.I think your mother and father needto be told.M:Please don't do that,Miss.They were so angry with my sister because of herscores.I don't want to upset them again and I promise I will study harder.(2)Text 3W:Are you going to finish your cabbage?I'll exchange with you for my rice.M:I'll do that.I don't like cabbage that much.Why do you want it?It tastes terribleW:I already ate a lot of rice,(3)and cabbage is healthy.Text 4M:I won't buy batteries like these any more.I'm not waiting four hours for them tocharge.W:You must have an old charger.Mine can charge big batteries in half that time,and small ones in a quarter of that time.(4)Text 5M:Let's go camping for our next holiday.We could buy a nice big tent.W:No way.You will not get me in a tent,and I don't like treehouses,eitherMaybe a motor home.M:Fair enough.Let's hire one of those.(5)Text 6W:I put my phone down somewhere here in my house,but I don't know where it isnow.(6)M:Do you have that app which allows you to locate it by satellite?W:Well,yes.But I thought I might do some ordinary searching before I do that.M:Here's an idea.Why don't we just call your number?And then we'll be able tohear where your phone is.(7)W:Of course.(7)The trouble is that I don't know my number.It's new and it won't beon your phone.I could ring my sister up.She has it.But how would I ring her?M:Don't you have the paperwork the shop gave you for your new phone agreement?919W:Oh,yes.That's where I'll find my number.(7)Text 7W:I have been looking for a job for four months,but I can't find anyone to hire me.Howdid you get a job so quickly?(8)I remember you found one within a month.Do youhave any advice?M:Actually,it was longer than that.I began looking at the beginning of May,and Ididn't get a job until early in July.(8)W:Still,how did it happen so quickly?Did you apply for jobs online or ask your friends
21-25 DBCBA26-30 CBCDA31-35 BADAC第二节:36-40 BCAAC41-45 DBCDA46-50 DDCBA第三节:51-55 DEAFC第三部分(One possible version)第一节:56.loudly57.grades58.close59.happened60.broke61.richest62.jokes63.fresh64.Both65.educational第二节:66.shyer67.the68.because69.gave70.weeks71.carefully72.was73.to reach74.what75.out第三节:People often ask me if I'm more like my father or my mother in character.And my answer isthat I'm more like my mother.I'm similar to my mother in many ways.I'm as outgoing as my mother.Both of us enjoy talkingwith others and making friends.What's more,we're both creative.We usually draw together inour free time.Of course there are also differences between my mother and me.My mother is morehard-working than me.She usually gets up earlier and does more housework.I think I shouldwork harder and help with more housework.We're all similar to our parents in one way or another.And we can always learn something goodfrom them【书面表达写作指导】本次写作要求谈谈自己在性格方面更像爸爸还是更像妈妈。在写作时,根据提示依次描述即可,可适当发挥。人称以第一人称和第三人称为主,时态主要用一般现在时。注意行文逻辑和语言简练,无单词拼写和语法错误。
0.4m则衡时S0,的分压=0.4m十0.2mn干1.6m十m0.8p=0.1p0.2m则街时0,的分压F0.4m十0.2mn十1.6m十m0.8p=0.05p衡常数K,=p2(S03)b2(S0,)(02)20(二)选考题35.(15分)(1)3(1分)1s22s22p3s23p(2分)(2)甲醇的沸点更高,二氧化碳和甲醇都是分子晶体,而甲醇分子间存在氢键,氢键作用力强于范德华力,所以甲醇沸点更高(2分)(3)BD(2分)(4)半导体材料(2分)(5)Π(2分)×10(2分)【命题意图】综合考查物质的结构与性质【解析】(1)C的核外电子排布为1s22s2p2,所以基态C原子核外电子有3个不同的能级,硅元素的原子序数为14,则基态硅原子的电子排布式为1s22s22p3s23p;(2)甲醇的沸,点更高,二氧化碳和甲醇都是分子晶体,而甲醇分子间存在氢键,氢键作用力强于范德华力,所以甲醇沸点更高;(3)A.键能越大,分子越稳定,由键能可知,稳定性C,H6大于S2H6,故错误;B.金刚砂是与金刚石结构相似的原子晶体,金刚石具有很高的硬度,则金刚砂也具有较高的硬度,故正确;C.硅烷中硅元素为十4价,由化合价代数和为0可知,氢元素为一1价,一1价氢元素具有较强的还原性,还原性强于甲烷中一4价碳元素,则硅烷的还原性强于甲烷,故错误;D.硅原子的原子半径大于碳原子,P轨道难以“肩并肩”重叠形成π键,所以硅原子间难以形成双键和三键,故正确;(⑤)咪唑中三个碳、两个氨都是$p杂化,都有垂直于面的p轨道,三个碳的p轨道上都各有一个电子,NH中的N的p轨道有两个电子,不连H的N的p轨道有一个电子,所以咪唑的大派键类型为Π;(6)由晶胞可知,晶胞含有4个N和4个B,设晶胞参数为anm,则晶体密度为6=侣=答案第3页(共4页)

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