rirl.测卷听第7段材料,回答第8、9题。C. Go home.ime.B. The childhooA. A famous picture.shovC. Watching TV.B. Check theA. Buy the tickets.C. This weekend.A. Going fishing.C. At home.B. Next weekend.A. Tomorrow.shop.将条形码粘贴在答题卡上12. Where are the speakers now?A. At a cafe.C. Excited.、草稿纸和答题卡上的非听第9段材料,回答第13至16题。B. Amused.C. Crying it out.A. Anxious.用黑色签字笔在答题卡14. What is Mia doing?C. Do some work.A. Walking on the sand.B. Phone his parents.C. Some honey.A. Play with the kids.16. What will the man give the woman?B. Some medicine.A. Some tea.听第10段材料,回答第17至20题。C. 14.17. How old is Dessi Sieburth?B. 8.A.6.C三个选项中选出最佳选18. Why does Dessi make boxes for bluebirds?下一小题。每段对话仅读B. They have lost nest places.C. They are easy to feed.9.15.19. What's the function of Dessi's website?A. To do research about birds.B. To raise money for birds.C. To teach people about birds.She hates the bad weather20. What did Dessi do in Alaska recently?A. He discussed with biologists.A different knife.B. He studied golden eagles.C. He bought some birds there.C. Chatting.第二部分阅读(共两节,满分50分)第一节(共15小题;每小题2.5分,满分37.5分)C. Physics.AFascinating Facts About London's ParksC. Mother and son.Handing out flowers in Green ParkC. The City Hospital.C. By car.25436B25436B
[试题解析]根据第四段 “Life, however, does not fit together so neatly and rarely provides us with such clearinstructions.”可知,生活并没有如此有序地拼凑在一起,也很少给我们提供如此清晰的指示。所以,作者从组装乐高模型中学到了生活没有明确的指引的道理。故选B。26.D[命题立意]考查细节理解[试题解析]根据第五段“In the face of uncertainty,we have to proceed, trusting both in the process and the endresult.”可知,作者建议我们充满信心地前进来应对生活中的不确定性。故选D。27.C[命题立意]考查推理判断[试题解析]根据最后一段可知,完成的乐高模型让作者联想到生活也是慢慢构建的,有错误、有不确定性因素,模型象征着人生之旅,故选C。[语篇解读]本文是一篇说明文。在萨默塞特郡的丘谷地区,一群志愿者正在参与一项大规模的植树项目,助力避免气候崩溃。28.易错题)C[命题立意]考查推理判断[试题解析]根据第一段内容可知,第一段描述了志愿者们在丘谷植树的场景,并指出他们正在创建英格兰最大的新林地之一,从而引出下文对植树项目的具体介绍。由此推知,第一段场景描述的主要功能是为介绍植树项目奠定基础。故选C。[易错点拨]本题部分学生会误选A项或D项,认为第一段场景描述的作用是表现植树的辛苦和志愿者的恶劣的工作环境,其实第一段只是客观描写植树的场景,并不是为了渲染志愿者的辛苦。A、D两项属于过度解读,应排除。29.B[命题立意]考查推理判断[试题解析]根据第二段“The charity says the 422-acre woodland will increase biodiversity,reduce flooding andlockup carbon tohelppreventclimatebreakdown.”可知,这片林地将帮助防止气候恶化。由此推知,LowerChewForest项目的主要目的是帮助解决环境问题。故选B。30.(重难题)C[命题立意]考查词义猜测[试题解析]根据画线词所在句“I read in the media about the climate crisis,andI thinkfor me tobe able tomitigateitistocome and activelydo something”可知,对于气候危机,能做的就是积极应对,去缓解它。由此推知,mitigate的意思是“缓解”。故选C。31.D【命题立意]考查观点态度[试题解析]根据最后一段内容可知,DaveWood认为这个项目需要付出很多心血、汗水和泪水才能成功开展,但现在已经在顺利进行中了,他们得到了很多支持和帮助。由此推知,Wood对这个项目的进展是满意的。故选 D。
M: I ′ m happy to do that. Shopping is actually pretty relaxing, and the supermarket is not farfrom our home. I can walk there.W: OK. And one more thing, Andy, could you do some washing?M: Of course. I' Il do it in a minute. Is there anything else?W: Yes. Could you.also help to cook lunch?M: Me? But I don’ t know how to cook.W: Don’ t worry. I can teach you. Your father is busy with his work today, so we need to worktogether to get everything done.M: Oh, I see. I can give it a try. By the way, can I play volleyball with my friend at school thisafternoon?W: Of course, you can enjoy your time with your friend.C.听短文请根据所听内容,从每小题所给的三个选项中选出一个最佳答案。短文听两遍。(M) Attention, please!I' m Jeff Brown, the leader of English World. I′ m reaching out to youneed a student to write articles and type them. We are also in need of someone with a talent forshould enjoy teamwork and'need to come to the office twice a month. The work can be done inyour free time. If you are interested in any of these roles, please come to my office on Thursday.I would love to have a brief chat with you about how you can get involved. Together, we canD.听填信息你将听到一篇短文,请根据所听内容填写下面的信息卡。短文听两遍。m Asng aam suaed ah ep Asng leau e pey eueia epaisa eps sm il (m)their work, so Diana stayed at home alone. First, she did her home-work and she finished it at 10:45 am. Then, she decided to do some chores because she wantedher parents to have more time to rest. She washed the clothes and the washing machine helpedher a lot. At half past eleven, she cooked lunch for herself. After that, she cleaned up the kitchen.At 2 pm, she called her grandmother and talked with her for some time. Finally, she wentshopping for some vegetables and fruit. After she came back from the supermarket, she began tohappy.参考答案(One possible version选择题除外)一1-5 CACBB6-10 BCCCB11-15 BBBAC 16-20 AACCA21. Saturday22.Washed23.11:3024.grandmother25. vegetables26-30BFDCA二、31-35ACBAC36-40AABCB三、41-45DBADB46-50ACADB
M: Do your parents know anything about it?W: Yes, but my mother is not happy with it. She wants me to be a doctor in the future.M: What about your father?W: He told me to follow my heart. “Don't give up your dream," he always says to me.听下面一段独白,回答第7~10题。Text4Hello, everyone. Thank you—-and thanks to your headteacher, Mr. Jones — for inviting me to come in and talkabout our special Science Nights at the City Science Museum. I hope some of you will be able to come and take part inour next one. So, what is a Science Night? Well, you arrive at seven p.m., do some science projects which are full ofinterest and then, at 10: 30, you go to sleep in the space gallery, camping among the things in the exhibition. The sd n oa aod sd o am p e no nevening before. Sounds great, doesn't it? If you and your parents want to find out more about it, you can become afriend of the museum on the website and read reports and see if you like the idea. I hope you do. Well, thanks forlistening to me. I really hope to see you at a Science Night soon.
全国100所名校高考冲刺卷有3个Li+和1个S-,所以Li位于棱上,个数为一×12=3,A项正确;由图可知,M原子的分数坐标为(,1,1),B项正确;第二周期元素从左至右,第一电离能呈增大的趋势,但Be和N的第一电离能反常,分别大于B和O,故第一电离能介于B与F之间的元素有Be、C、N、O四种,C项错误;Li与BF的最近距离为apm,则晶胞边长为×2pm=√2apm,体积为(√2a√2140140×10-10)cm,而晶胞质量为12.A【命题意图】本题以碱式碳酸铜的制备为情境,考查工艺流程分析。突出基础性、应用性考查要求,体现证据推理与模型认知、变化观念与衡思想的学科核心素养。溶液pH以除去铁离子,B项正确;向溶液中加人NHHCO溶液和NH除去Mn,生成MnCO沉淀,发生反应的离子方程式为Mn²++HCO+NH==MnCO√+NH,C项正Kw10-14Kw10-1411.8X10-5—1.810-7,碳酸氢根离子的水解程度大于铵根离子的水解程度,则碳酸氢铵溶液呈碱性,D项正确。13.D【命题意图】本题以可充电锂硫电池为情境,考查电化学有关知识。突出应用性考查要求,体现变化观念与衡思想、证据推理与模型认知的学科核心素养。【解题分析】放电时,Li失电子,作负极,硫碳复合电极作正极,硫碳复合电极的电势高于锂电极,A项错误;放电时,阳离子由负极经电解质溶液移向正极,则Li由金属锂电极迁移至硫碳复合电极,B项错误;充电时,阳极上失电子,发生氧化反应,则硫碳复合电极的电极反应为8S-一16e=xS,C项错误;放电时,当2.56gS(0.01mol)全部转化为Li2S2时,根据电14.B【命题意图】本题考查沉淀溶解衡。体现变化观念与衡思想的学科核心素养。【解题分析】由化学式可知,溶液中pMn和pZn随pS的变化趋势相似,则Ⅱl代表pCu和pOH的变化关系;由Ksp(MnS)>Kp(ZnS)可知,溶液中pS相同时,pZn大于pMn,则I表示pMn和pS的变化关系,ⅡI代表pZn和pS的变化关系;由曲线与坐标的交点可知,MnS、ZnS、Cu(OH)2的溶度积分别为10-15、10-25、10-20。I表示pMn和pS的变化关系,A项错误;=10°,B项正确;a点c(Zn²+)K(ZnS)对应的溶液是MnS的不饱和溶液,加人MnCl固体,c(Mn²+)增大,c(S²-)不变,a点溶液的组成沿垂直线向下移动,C项错误;向Cu(OH),的悬浊液中通人过量氨气,根据电荷守恒,溶化学卷参考答案(二)第3页(共8页)【25·(新高考)CCJ·化学·HEB】
【25·(新高考)CCJ·化学·JX)一昆布具有利水消肿的功效,其HO0用来漂白纸浆、丝、毛等用作半导体材料NH用作净水剂用作供氧剂用途OH→铜粉5'0=加热条件下反应设NA为阿伏加德罗常数的值。下列说法正确的是C.1mol Na[Au(CN)2]中含有的a键数目为6AD.理论上 1 mol该物质可与4 mol NaOH反应D.生成水合阱和铜粉的反应均为氧化还原反应下列说法正确的是铜氨废液一砷化家导电能力特殊NaO具有强氧化性B.CO(NH2)中氮原子的杂化方式为sRC. 1mol NH4·H2O中含有12mol 键SO具有氧化性明矾易溶于水制备水合脚性质A.分子中含有2个手性碳原子C.能使酸性高锰酸钾溶液褪色B.能与溴水反应生成沉淀B成)的工艺流程如图所示。化学卷(一)第2页(共8页)CO(NH2)2NaCIO短周期主族元素X、Y、下列叙述不正确的是选项#BCD的是uobpey7.
(4)洗涤粗产品的操作为(精确至0.1%)。PbS(s)+4CO(g)△H= +378kJ ·mol-19-50反应①—反应②-100—反应③-150-200△250300L8001 00012001 400T/℃甲已知:i.在动力学中,吉布斯自由能变(AG)越小,化学反应驱动力越大,反应越优先i.炉渣熔体黏度
全国100所名校高考冲刺卷2025年广西普通高中学业水选择性考试化学冲刺卷(三)参考答案查要求,提升考生的信息接受能力、理解与辨析能力,培养考生的宏观辨识与微观探析、科学态度与社会责任的学科核心素养。【解题分析】核磁共振技术可测定蛋白质的结构,A项正确;天然蛋白质水解的最终产物是α-氨基酸,B项错误;蛋白质变性由多种因素引起,如果是由重金属离子引起的,则不可食用,如果是由加热煮熟引I起的,则可食用,C项错误;大多数酶是蛋白质,少部分酶为RNA,D项错误。2.D【命题意图】本题考查常见的化学用语和图示。突出基础性考查要求,提升考生的理解与辨析能力,培养考生的宏观辨识与微观探析、证据推理与模型认知的学科核心素养。【解题分析】NaCIO的电子式为Na+[:O:Cl:],A项正确;乙炔为直线形结构,其空间填充模型为C,B项正确;乙二醇的分子式为CHO2,键线式为HO,C项正确;p-p轨OH道“头碰头”重叠形成。键,“肩并肩”重叠形成π键,D项错误。3.A【命题意图】本题以中学实验为情境,考查实验原理、装置、设计等知识。突出基础性、应用性、创新性考查要求,提升考生的新信息接受能力、分析与推测能力,培养考生的科学探究与创新意识、科学态度与社会责任的学科核心素养。【解题分析】溴苯与苯互溶,不能用分液的方式分离,可用蒸馏的方式分离,A项符合题意;铜与稀硝酸反应,溶液变蓝,生成无色气体,通人氧气后,气体变为红棕色,说明硝酸被还原,具有氧化性,B项不符合题意;钠与水反应生成的气体为氢气,可用向下排空气法收集,C项不符合题意;利用色谱法可分离出青蒿素,D项不符合题意。4.C【命题意图】本题以橙皮贰为情境,考查有机反应类型、官能团性质等知识。突出基础性、应用性考查要求,提升考生的新信息接受能力、分析与推测能力,培养考生的宏观辨识与微观探析的学科核心素养。应生成醚,B项错误;橙皮武分子中含2个酚羟基,且这2个酚羟基的邻、对位共有4个H,敌1mol橙皮贰分子最多可消耗4molBr2,C项正确;H2没说明是否处于标准状况,D项错误。5.B【命题意图】本题考查物质结构、性质等知识。突出基础性、应用性考查要求,提升考生的新信息接受能力、分析与推测能力,培养考生的宏观辨识与微观探析、证据推理与模型认知的学科核心素养。【解题分析】苯的邻位二氯代物只有一种,说明苯分子中碳碳之间的化学键相同,则凯库勒单双CH1OH的分子离子峰对应的最大质荷比为34,C项正确;由△H一T△S

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