(3)根据图1，在MS培养条件下，高光强对浒苔幼苗的生长具有作用。(4研究表明，同一盐度条件下，低光强组浒苔幼苗的叶绿素a、b含量显著（填19.(12分)畜牧养殖业常使用类固醇类激素来提高动物生长速度以及控制母畜同期排卵“低于”、“高于”)高光强组，原因可能是叶绿素a、b含量随着和预防流产，从而提高产量和经济效益。近年来，很多区域地表水环境中类固醇激素超标，盐度的增加，呈现出与相对生长速率相反的的变化趋势，从浒苔体内能量利用的角度分析，因其高的内分泌干扰效应而引起人们的广泛关注。黄体酮(P4)是一种类固醇类激素，为其原因可能是从而提高其生长速率。研究P的内分泌干扰原理，选择成年雌性斑马鱼作为受试动物，研究P对其下丘脑垂体性腺轴相关基因转录表达的影响。请根据以下(21天暴露实验)研究结果回答下列问题：基因种类促性腺激素释放激促性腺激素基因18.(12分)人类视网膜上有分辨红、绿色的视锥细胞，若编码红、绿色觉（感光色素）素基因(gnrh雌激素合成相关基因fsnb)雌激素受体基(star、cypl7等)因(esr)的基因表达异常则会出现色弱或色盲。转录水抑制抑制基本不影响(1)该实验中排除个体差异的方法是：抑制()编码红、绿感光色素的基因位于X染色体上，其遗传和性别相关联的现象称为使修若只有一组实验动物，设置对照实验的措施是。图1是一个红绿色盲家族系谱图，Ⅲ-2和-3是一对同卵双胞胎。有同学(2)若用P4用于治疗人类疾病，应采用认为若根据该系谱图很容易误判该病为常染色体上的隐性遗传病，你认为会导致这种误判方法，原因是（填“注射”、“口服”、“注射或口服”)》的原因是(3)P对成年斑马鱼有抗唯激素效应，请据表分析原因：(答两方面)回红20.(12分)入侵植物通过3种途径影响食物网：一是入侵植物能够直接被土著草食者取T回☐正常男性正常食，通过上行效应按照原有的路径进入土著食物网：二是入侵植物所固定的能量通过引入■色盲男性X新的消费者或者转变流通路径形成新的食物网结构：三是入侵植物通过非营养作用造成食回16-aO正常女性物网中各级消费者的种群密度和行为活动等发生变化，进而影响土著生物群落和食物网结红构。下图灰色部分表示入侵前士著食物网的物种组成，空心部分表示植物入侵后食物网的古品●色盲女性→经红◆◇一绿色弱/绿色前红缘绿物种组成。卤一红色弱/红色育⑧©图1图2不同级别的消费①(2)研究发现，红、绿色觉基因起源于同一祖先色觉基因，二者编码的蛋白有96%的氨基酸士著植物入侵植物基于入侵植物的营养滨动序列相同。正常情况下，X染色体上有一个红色觉基因和一个或多个绿色觉基因，只有完个基于土著植物的营养流动整的红色觉基因和距离红色觉基因最近的绿色觉基因才能在视网膜中表达。因二者高度同个非营州作用途径1途径亚途径Ⅲ源，可发生片段交换形成嵌合基因，影响色觉。机理如图2所示。检测发现Ⅱ-1的色觉基(1)三种途径中如果食物网中广食性的植食性动物较多，则入侵植物主要以途径工作用因组成为◆一→一今，据图判断其色觉（拼别红、绿颜色)的具体表于食物网：穗状狐尾藻入侵河口湿地后，为一些无脊椎动物和幼鱼提供了觅食和庇护场所，现为；若其父母均为色觉正常的纯合子，请推测Ⅱ-1患病的原因形成了更为复杂的水生食物网结构，这是通过途径)影响食物网。(3检测发现皿-2和皿-3的色觉基因及DXS基因序列并无差异，但2来自父方的DXS甲基（2)入侵物种紫茎泽兰所到之处排挤当地植物，导致生态系统的抵抗力稳定性若要调查其种群密度，可以采用,若要连续若干年调查其种群密度的变化过程，化，Ⅲ3来自母方的DXS甲基化，DXS甲基化的染色体上的色觉基因才能表达，则2、请设计一个表格用于记录调查结果。-3分别表达来自！提供的色觉基因。据以上信息分析，DXS基因(3)若某种植物以途径Ⅱ影响士著生物群落，最终导致P1生物在当地消失，请从种间关与色觉基因的位置关系是系和能量流动角度分析P1消失的原因。高三二模生物试卷第6页（共8页）高三二模生物试卷第7页（共8页）

郑州市2022一2023学年下学期期末考试高中二年级生物参考答案一、选择题（每小题2分，共50分）题号123456>89o答案DADCDcDCB题号11121314151617181920答案A00AB0CC◇题号2122232425答案DDBDB二、非选择题（除注明的外，每空均为1分，共50分）26.(10分)(1)五4脱水缩合(2)内质网和高尔基体胞吐需要这些药物具有与脑啡肽相似的空间结构(3)双缩脲11、3(2分)27.(10分)(1)氧化型辅酶II(NADP+)(电子)腺苷三磷酸类囊体薄膜暗反应减少(2)H2葡萄糖没有细胞呼吸消耗糖类(3)植物缺水导致叶片气孔关闭，从外界吸收的C02减少（2分)28.(15分)(1)脲酶尿素固体选择培养基碳源、无机盐、水(2分)(2)无菌水稀释涂布板法3.6×106(2分)当两个或多个细胞连在一起时，板上观察到的只是一个菌落(2分)(3)大抑菌圈的出现是因为抗生素将Hp杀死所致，因此抑菌圈直径越大，表示抗生素对H印杀伤作用越强，治疗效果越好(2分)29.(15分)(1)显微操作42(2)体细胞分化程度高，表现全能性十分困难(2分)诱导细胞融合(3)调控相关基因的表达不会同期发情(4)mRNA引物脱氧核苷酸DNA聚合酶变性、复性和延伸(2分)抗原一抗体杂交

高三第一轮复周测卷胞，C项错误：根据题表中数据可知，用浓度为25%的盐破溶液处理后，分裂期细胞数与观察细胞数的比值最高，说明该浓度更适合用于洋葱根尖细胞的解高，D项正确。【答案D3.存活因子是一种存活信号，它与细胞表面的受体结合后，启动细胞内部信号途径，抑制测亡发生，过程如图所示。下列叙述正确的是存活因子转录因子Bd-2基因周亡程序RNA蛋白激酶,。细胞凋亡注：→表示促进，表示抑制ABc-2基因仅存在于将要调亡的动物细胞中B.Bck-2基因的转录需转录因子，DNA聚合酶等的参与C.存活因子通过调控B2蛋白的合成来抑制细胞凋亡D.转录因子、ATP合成酶从细胞质进人细胞核通过0层膜【解析】B2基因不仅仅存在于将要调亡的动物细胞中，其存在于几乎所有的动物活细胞中，A项错误；Bl2基因的转录需转录因子、RNA聚合晦等的参与，B项错误；由题图可知，存活因子通过调控Bb2基因的表达，抑制细胞调亡，C项正确：转录因子从细胞质通过枝孔进入细胞核，通过0层膜，动物细胞中ATP合成的场所有细胞质基质和线粒体，细胞校中不能合成ATP,故ATP合成晦不进入细胞核，D项错误。【答案】C4.K1oho基因是一种与衰老密切相关的基因，它通过调控离子通道、信号通路或其他基因表达而发挥抗衰老、保护肾脏及心血管等作用。研究发现，Klotho基因缺陷小鼠寿命缩短了80%，而Klothe0基因过度表达后能够延长雄鼠30.8%、雌鼠19.0%的寿命。下列叙述错误的是A高等动物衰老的细胞内，Klotho基因的表达可能受到了抑制B衰老的细胞萎缩、体积变小，细胞核体积也变小，核膜内折，染色质收缩C.细胞代谢产生的自由基可能会攻击Kloth0基因，导致细胞衰老D.将更多的Klotho基因转入细胞后，可能不能完全阻止细胞衰老【解析】Klotho基因是一种与衰老密切相关的基因，它通过调控离子通道、信号通路或其他基因的表达而发挥抗衰老的作用，所以高等动物衰老的细胞内，Kloh0基因的表达可能受到了抑制，A项正确；衰老的细胞水分减少，细胞萎缩、体积变小，细胞核体积增大，核膜内折，染色质收缩，B项错误；根据分析可知，Koh0基因的表达可抵抗衰老，而细胞代谢产生的自由基可导致细胞衰老，可能是细胞代谢产生的自由基会攻击Kloh0基因，导致细胞衰老，C项正确；研究发现，K1oh0基因缺陷的小鼠寿命缩短了80%，而过度表达K1oho基因后能够延长雄鼠30.8%、雌鼠19.0%的寿命，说明细胞衰老不只与Kloh0基因有关，故将更多的Kloh0基因转入细胞后，不能完全阻止细胞衰老，D项正确【答案】B化5.图1表示细胞有丝分裂不同时期染色体数与核DNA数比例的变化关系；图2、图3分别是高等动细物甲，高等植物乙细胞有丝分裂的部分图像。下列叙述正确的是+染色体与核DNA数目比8AB7结构H微D五细胞分裂时期图1图2图3A图1中BC段进行核DNA复制，染色体数目加倍38【24G3ZCJ生物-R-必考-SX】

考点39》生态系统的物质循环、信息传递及其稳定性1.D解析：碳元素在生物群落与无机环境之间主要以CO2的形式循环，A正确；枯落物中的碳为有机碳，可经分解者转化为无机物，形成土壤碳，也可转化进入绿色植物体内，B正确；绿色植物的光合作用吸收CO2,故植树造林可以“抵消”碳排放，C正确；杉木人工林中的有机碳最少，不是“抵消”碳排放、实现“碳中和”的最佳选择，D错误。2.D解析：生态系统中的能量流动是逐级递减的，据此可推知甲是生产者，甲残留的DDT浓度为0.04ppm,进而推知该生态系统的水体中DDT的浓度小于0.O4ppm,A正确；由题意可知，DDT难以被降解而在生物体内蓄积，说明DDT在代谢中不易分解，具有生物富集作用，B正确；丁种群个体死亡后释放的DDT难以被降解，可能通过各营养级生物的富集再次进入丁种群，C正确；在生态系统中，生物所处的营养级越低，所获得的能量就越多，但处于同一营养级的生物获得的能量差异不显著，据此分析表中的信息可推知：该生态系统中的四个种群的能量流动渠道是两条食物链，即甲→乙→丁和甲→丙→丁，D错误。【易错点拨】DDT在代谢中不易分解，具有生物富集作用，因此含量越高说明该生物所处营养级越高，和营养级所含的能量成反比。3.D解析：信息传递在生态系统中的作用包括：生命活动的正常进行，离不开信息的作用；生物种群的繁衍，离不开信息传递；调节生物的种间关系，进而维持生态系统的衡与稳定，A正确。海龟的舌尖处有两条红色突起，它在捕食时，先张开口并让舌头来回摆动，这是一种行为，因此属于行为信息，其中红色突起需要通过光传递信息，属于物理信息，B正确。动物的特殊行为能够对同种或异种生物传递信息，称为行为信息，C正确。食物链的起点应为生产者，D错误。4.D解析：呼伦贝尔草原就是一种处于生态衡的系统，其生产一消费一分解的生态过程正常进行，A正确；负反馈调节使生态系统达到或保持衡与稳态，当生态系统遇到破坏或干扰时，对抗破坏或干扰使该草原恢复衡的调节机制是负反馈机制，B正确；处于生态衡的生态系统具有结构衡、功能衡和收支衡三大特征，故该草原处于生态衡时会表现为结构衡、功能衡和收支衡，C正确；春夏季，该草原物质和能量的输入一般大于输出，而秋冬季一般会输出大于输入，D错误。5.D解析：由图可知，甲生态系统的结构和功能曲线波动幅度较大，所以甲生态系统抵抗力稳定性较弱，乙生态系统抵抗力稳定性较强，A正确；若乙生态系统受到干扰的时间提前，干扰强度不变，乙生态系统恢复自身原状的周

1/20=2/5=40%,F2植株的基因型及比例为AA：Aa:aa=3:4:1。(5)植株甲、植株乙均为隐性突变植株，若植株的花色受一对等位基因控制，则植株甲和植株乙进行杂交，子一代仍为白花，而实际将植株甲和植株乙进行杂交，F,均为红花植株，因此可推测该植株的花色（至少）受两对等位基因的控制，突变为植株甲和植株乙的隐性基因不是同一对等位基因。

群落的水结构指群落的水配置状况或水格局，其主要表现特征是镶嵌性，不同林分密度下的植物种类存在差异体现了群落的水结构。【小问2详解】随林分密度的增大，白桦对阳光、养分等的竞争加剧，影响自身生长，导致均胸径减小。研究表明，人工造林时较为理想的林分密度是1200株hm2,此密度下白花均胸径最大，草本种数最多、灌木种数最多。【小问3详解】①碳元素在生物群落和无机环境之间以CO2的形式进行循环。植被中碳的去向与能量流动相辅相成，碳的去向为呼吸作用散失、流向消费者和分解者。林分密度为1000株hm2时土壤微生物分解能力增强，有机物分解速度快，导致土壤碳储量均较低。林分密度为1000株m2时密度过大净光合效率下降，植被碳储量降低，输入土壤的有机碳减少。适宜的林分密度能较好地实现土壤对碳的固存，提高了固定C02的能力，降低大气中C02浓度，缓解温室效应，这是生物多样性的生态学功能，这体现了生物多样性的间接价值。【小问4详解】人类活动往往会使群落演替按照不同于自然演替的速度和方向进行。不合理的人工林组成与结构及经营措施会导致一系列的生态问题，这主要违背了生态工程的整体、协调、循环、自生原理，最终影响碳汇林业的可持续性。21.下图是B细胞与辅助性T细胞(Th细胞)相互作用之后B细胞被活化的过程图。CD80/86是B细胞识别抗原后表达的蛋白，CD4OL是活化后的Th细胞表达的蛋白，BCR是B细胞表面的特异性识别抗原的受体，CD40和MHCⅡ是B细胞表面的组成性蛋白，CD28、TCR是Th细胞表面的组成性蛋白，请回答下列问题。B细胞Th细胞CD80/86CD28照网活化信号②BCR抗原加工、提呈MHCII TCRTh活化抗原Q活化信号活化信号①活化信号②CD40 CD4OLB细胞活●●●细胞因子(1)活化B细胞的第一信号是抗原在B细胞中加工形成的抗原肽，与MHCⅡ形成复合物，提呈给T细胞表面的,从而形成活化T细胞的第一信号。(2)由图可知，活化Th细胞和B细胞的第二信号分别是第21页/共29页

主武卷匹择题改动，用橡上。写在本试3.考试结束后，将4.本试卷主要考试超好人动布关林和味移知的两究。科研人员给小叔吸合不同护味的液体，并记录小鼠一定时间内的藤舐次数，结果如图所示。下列叙述结误的是30I组：甜味剂题：本题共16小题，每A味觉的产生需要借助功能正常、结构完整的反射弧才能Ⅱ组：甜味和苦味混合剂20Ⅲ组：苦味剂要求的。B单独喂食甜味剂或苦味剂时，味觉分子会刺激味觉感受完成位于我国东北地区10完成1~2题C比较三组小鼠的膝麻次数，Ⅱ组显著低于I组，与Ⅲ组器产生兴奋I组Ⅱ组Ⅲ组据结果推测，甜觉产生后，对苦觉的产生具有明显的抑制作用相近16、图1是测量离体神经纤维膜内外电位的装置示意图，图2表示测得的膜电位变化情况。下列叙述正确的是+60膜电位+30毫伏-902时间/毫秒图2图1Ay图1中A、B分别表示神经纤维受刺激前、后的电位情况B.神经纤维的状态由B变为A的过程中，细胞膜对Na+的通透性增大C图1中A、B测得的电位大小可能分别对应图2中D,F点D适当降低细胞外Na+浓度，在相同条件刺激下图2中F点会下移三、非选择题：本题共5小题，共60分。17.(12分)为适应不同环境，植物进化出了不同的光合途径，其中玉米就是典型的C途径植物，该途径的具体过程如图所示，Rubisco是催化C与CO2反应生成C的酶。回答下列问题：叶肉细胞的叶绿体维管束鞘细胞的叶绿体(有类囊体，没有Rubisco)(没有类囊体，有Rubisco)C02CaC4→C02→2C3NADPHPEP羧化酶RubiscoCs多种酶磷酸烯醇式丙丙酮酸(CH0)ATP酮酸(PEPADP+Pi3(1)玉米细胞中可固定CO2的物质是,还原C3所需要的ATP和NADPH是(填场所)上生成的。(2)相较于C植物，玉米等C4植物更能适应低浓度CO2的环境，从酶的角度分析原因可是。单独将玉米叶肉细胞置于明暗交替的环境中，发现NADPH的含段时间内上升，其原因是(3)盐胁迫是现阶段农业生产面临的主要问题之一，盐胁迫会影响光合作用从而导致作产。为了解盐胁迫对玉米光合作用的影响，科研人员进行了相关的研究，实验结果·24【高二生物学第4页（共6页）】

第八套试题答案听力1~5 CABCA 6~10 BCACB 11~15 CAACA 16~20 BABAB阅读理解本文介绍了四本适合各年龄段孩子阅读的最佳的、有关科学的书。2l.D根据Diary of a Time Traveler by David Long部分的第1、2句可知，教授的目的是激发Augustus学历史的兴趣。22.A根据Galapagos George by Jean George部分的第1句可知，Jean George是纽伯瑞儿童文学奖的获得者。23.B根据Galapagos George by Jean George部分的第1句和Little Changes by Tiffany Taylor部分的第3句可知，这两本书都提到生物进化。B作者小时候一直以为父亲是个严厉、苛刻的人，直到最近的Tucson之行，她才看到父亲和善的一面。24.C根据文章第2段第3句可知，作者小时候不喜欢父亲是因为父亲对她要求太高。25.D根据第2段最后一句可知，作者每次和父亲一起外出度周末，她都非常紧张。26.C根据第3段的描述可知，Tucson之行后，作者觉得父亲其实很温和、友善。27.B最近的Tucson之行改变了作者小时候对父亲的印象，她现在发现父亲是一个很友善的人，所以作者感到她有了一个新朋友。C本文介绍了亲近自然有益于人体健康。28.A通读第1段可知，经常进行户外活动的人更健康。29.B根据第2段第2句可知，(Caoimhe Twohig-Bennett分析了自然对不同人的影响的研究结果，得出了亲近自然有益于健康的结论。30.C根据第4段最后一句可知，Caoimhe Twohig-Bennett希望政府打造更多绿色空间。31.D根据最后一段可知，作者强调了人们应该以正确的方式对待自然。D本文介绍了万圣节的由来以及该节日产生的影响。32.C根据第1段第1、2句可知，加拿大人喜欢万圣节是因为它给人们提供团聚的机会。33.C根据第2段第2句可知，万圣节为个人社交能力的发展提供了一定的空间。34.B根据最后一段第2句可知，万圣节在某种程度上回归到了它的本质一以社区为中心的活动。35.D文章主要介绍了万圣节的由来以及影响，所以文章可能来自文化类杂志。补全短文36~40 CGAED完形填空作者认为我们应该更注重寻找内心直实的快乐4l.D根据下文ads promising it to be“Best of the Best'”可知，广告封面上的女性应该是有魅力的。42.A不幸的是，整篇文章没有提供任何关于如何过好生活的建议，而是集中在各种昂贵的护理上。43.A44.B根据上文可知，作者对于这篇文章的内容表示怀疑，觉得这是不可能的事情。45.D根据上下文可知，作者很少化妆，只是买一些护肤品和戴一两件首饰。46.B47.C作者的丈夫不仅喜欢她的这种方式，而且他与作者的方式是一样的。·29·【22新教材老高考.DY·英语·参考答案一R一选择性必修第四册一Y)

7期参考答案第1版7.joke8.terrible4.two chess sets7.Russians8.s0特别关注9.clear10.serious5.from time to time9.higher10.Unluckily读有所思II.1.helpful2.thicker中考真题篇第4版1.The panda is my favourite animal./..3.miles4.accepted1-5 BCBAC6-10AABAC完形填空2.They are endangered and most of them5.chopsticks6.was snowing完形篇1-5 CBACD6-10 DABCDlive in Sichuan,Shaanxi and Gansu./...7.immediately8.broken悟有所行1-5 ACDBD6-10 CABAD任务型阅读9.skating10.tastesa.1-4 BDCA11-15 BCABD1.He read a book about the plants inb.1.largest and oldest 2.120 millionⅢ.l.windy2.sandwiches阅读篇Xinjiang and became interested in plants.3.extinct4.in danger3.to keep4.was covering1-5 ABACD2.In19985.River shipping5.training6.medical综合运用篇3.They find special plants,take pictures故事•传承7.months8.dropped9.bravest10.probablyI.1.southwest2.interestedof them and get1.Chonghua's death.短语篇3.finished4.experience2.He forgave them.specimens for study.I.1.keep clear of 2.make sure5.stay6.videos3.Emperor Yao.4.0ver5,000.第2-3版3.lift up4.video games7.although8.traditions5.He hopes people can阶段复(Modules10-12)5.first aid9.surprise10.differences本期答案资道码：d365cleamn more about plants关注社信公众号，回复上方单词篇Ⅱ.l.Come onⅡ.1.the2.reported马点击维“资码”and love nature入查码预双对空资理，I.1.wet2.cap3.southeast2.minus twenty degrees3.For4.its4.ice5.shower 6.calm3.at the bottom of5.hottest6.harmful本版主编辛蕊芳责编郭星字本报地址山西省太原市小店区龙兴街190号邮政编码030032联系电话0351-27776792777680（发行中心）订阅查询0351-27776482777649激光排版本报激光照排中心印刷晋中牙发区晋臻印业有限公司（晋中开发区汇通产业园区南六堡段恒易通公司院内）订阅方式为方便订阅订户可通过当地发行工作站订购订阅时请核验其“授权书”“工作证”或直接向本报发行中心咨询以防假冒盗版行为第17期第5、6版参考答案1-5 BFDAC6-10BBABB11-15 BCBAC⊙主题：人与自然之自然生态One possible version:16-20 ABCCB21-25 BACDD26-30 ABBDC⊙子主题：季节与生活My favourite season31-35 ABBCD36-40 DCCBA41-45 DACBD⊙人称：第一人称Hello,everybody.Today I want to share with you my46-50 BDCAB51-55 CGBAF56.toysO时态：一般现在时fayourite season.My favourite season is spring.57.training58.warned59.are dropping⊙行文布局：In spring,the temperature is not too high or too low.It's60.rainy61.sizes62.smallest①引出话题，说明自己最喜欢哪个季节：usually warm and sunny.Everything grows in nature.Trees turn63.how64.them65.The②介绍喜欢这个季节的原因、这个季节的特征以及在这个季green.Flowers of different colours make the world beautiful.66.but67.creating68.probably节可以做什么事：At the weekend I always go out with my69.with70.will happen③演讲稿结尾。friends to do some outdoor activities.Sometimes we fly kites when it is windy71.Me neither72.minus twenty degreesO必备词语与句型：We shout aloud and feel very excited.On73.Keep clear of74.at the bottom ofoutdoor activitiesgo on a tripgo boatingsunny days,we usually go on a trip to a hill苹英绿》■贵青《学英请》可司号75.from time to time 76-80 DCBAEEverything grows in nature.or go boating on the lake.It is great fun.本期答案资潭码：td18cd【写作指导】Sometimes we fly kites when it is windyThat's the best part of spring.本篇写作要求写一篇演讲稿介绍自己最喜爱的季节。In spring,the temperature is not too high or too low.That's all.Thanks for listening.

a pack of cards and sat down.W:Oh,Ing those games for about 20(听力材料见下期B版中缝、参考答案见下期B4版)his caM:IpicshoStojoin us."This is a gift for you."Mark opened the box,seeingCCAXishuangbanna Primitive Forest Park is the onlya pair of new shoes.He couldn't believe Jane was soW:Lconcerned about him.He thanked her and left."SheM:OCAtropical rainforest nature reserve in China.At the park,we'll admire thick primitive forest and a wide varietysaw me barefoot and gave me shoes.But how will I beCDof animals.Wonderful ethnic performances andable to give her legs?"he cried,lost in thought."I can't give her legs,but I can give her prostheses,"eatedinteresting legends will also appeal to us.Breathing theclean air and tasting diverse special snacks will be alsoMark suddenly thought,and decided to buy.He quicklyenjoyable.I hope you won't miss such a good chance.went back home and took all the money he had saved forLooking forward to your early reply.years.Then he returned to Jane's house.Mark offered toYours sincerely,bring Jane to town to buy prostheses.Jane was amazedLi Huaand declined.But Mark was determined.Finally,Jane第二节wore prostheses,and excitedly walked around.BothOne possible version:she and Mark were glad about each other's gift,whichanDays later,Jane heard the old postman knock onbrought both warmthgher door:Smiling,she opened the door and took the本版主编张资清责编段泽芳0mail from Mark.Then,she handed him a box,saying,032联系电话0351-27776792777680（发行中心）订阅查淘0351-27776482777649激光排版本报激光照排中易通公司院力】订阅方式为方便订阅订户可通过当地发行工作站订购订阅时请核验其“授权书”“工作证”或直接向本报发行中心咨询以防假冒盗版

愿提高自己的演讲。4.B。理解主旨要义。文章介绍了一项研究，我们看待压力的方式会影响我们身体应对压力的方式。如果我们认为压力是件坏事，我们会深受其害；如果我们认为压力是件好事，我们会迎难而上，则压力会有益于我们的行为。文章第二段内容点题。B项“压力可有益于成功”最能概括文意，适合作标题。

One possible versionDear Kate,八书面表达Thank you for sharing your feelings with me.Iunderstand you because sometimes the way others talkto us can affect our mood.From your letter,I learnedthat Julie cares about you.The problem is the way shetalks.So I advise you to tell her how you feel.You cantell her that her words hurt you and ask her if she couldtalk to you in a friendlier way.You can also give hersome suggestions on how to talk nicely.If she's your truefriend,she will understand you and make a change.Anyway,I hope you and Julie can always be goodfriends.Yours,Li Hua14

I.根据每小题所提供的图画情景和提示词，写出句子展厅一个与图画情景相符的句子。句子展厅usually,schoolbe,roomThe boy usually goes to school by bike.The boy is cleaning the room.gg句子展厅句子展厅2front,classroom7often,friendsThe teacher is in the front of the classroom.I often play basketball with my friends.g句子展厅句子展厅3.there,on8.think,difficultThere is a lamp on the table.I think geography is difficult.g句子展厅句子展厅4.you,here9how longYou can't turn left here.How long is the bridge?g句子展厅®句子展厅5not,wrong10.be,storyDon't park in the wrong place.The woman is telling a story.2

全国100所名校最新高考横拟示范卷公本科学杂志。【阅读D】本文是一篇说明文。最新报告显示，在世界各国承诺停止使用破坏臭氧层的化学物质后，地球上空的臭氧层正在逐渐恢复。32.A【命题意图】本题考查考生的推理判断能力。【解题分析】根据第1段第1句可知，为了恢复臭氧层，几十年前世界各国同意停止生产消耗臭氧的化学物质。由此可知，臭氧层使世界各国通力合作33.D【命题意图】本题考查考生的段落概括能力。【解题分析】通读第2段可知，本段主要说明了全球范围内（包括北极和南极）臭氧恢复的不同时间。34.C【命题意图】本题考查考生的推理判断能力。【解题分析】根据第3段最后两句可知，佩特里·塔拉斯教授认为臭氧层的恢复表明，只要世界各国共同努力，就能取得成果。这为应对气候变化的行动树立了榜样。由此推断，他对应对气候变化的行动持乐观态度。35.B【命题意图】本题考查考生的细节理解能力。【解题分析】根据第4段第3句可知，纽曼说大气中氯和溴的含量下降了。【阅读七选五】本文是一篇说明文，主要介绍了积极主动倾听他人的好处。36.E【命题意图】本题考查考生理解上下文逻辑关系、还原信息的能力。【解题分析】E项内容与本段上一句的内容存在解释关系，说明有些人很自然地就知道如何站在别人的角度考虑问题。37.F【命题意图】本题考查考生理解上下文逻辑关系、还原信息的能力。【解题分析】F项内容与本段上一句的内容存在因果关系，说明他们争论的理由是因为他们没有完全了解对方的立场。38.C【命题意图】本题考查考生理解上下文逻辑关系、还原信息的能力。【解题分析】C项内容与本段下一句的内容存在递进关系，说明作为领导者应该对学新事物持开放的态度。39.D【命题意图】本题考查考生概括段落中心意思的能力。【解题分析】本段主要讲积极主动倾听他人会避免遗漏重要的信息，D项与本段内容吻合，总领英语卷参考答案（八）第5页（共8页）【23·(新高考)ZX·MN·英语·Y】

21.某学兴趣小组拟对溶液A的成分进行分析，溶液A中可能含有如下离子：Na、NH4、Ba2+、Mg2+、S042、S032、C、OH,设计并完成了如下的试验，下列说法不正确的是2.33g沉淀D4.50g足量的盐酸沉淀B100mL足量BaCL,溶液气体E溶液A过滤足量NaOH溶液448mL(标准状况)气体F滤液C△溶液GA.气体E的体积是224mL(标准状况)B.气体F能使湿润的红色石蕊试纸变蓝C.溶液A中一定存在Na+、NH4、SO42、S0,2、D.溶液A中c(Na)≤0.20mol/L22.化合物Z是合成抗多发性骨髓瘤药物帕比司他的重要中间体，可由下列反应制得。CHOCH二CHCOOHCH二CHCOOCH3CH2(COOH)2CH:OH浓H2S04,△CH2OHCH2OHCH2OHXYZ下列有关上述化合物说法错误的是（A.Y和Z中均存在顺反异构现象B.X、Y、Z三种物质被酸性KMnO4溶液氧化后的产物相同C.Y既可以发生加聚反应又可以发生缩聚反应D.X和Y均能使溴水褪色且原理相同IⅡ卷（共52分）23.（12分)按要求填空。CH3(1)千CH2的名称是O=C一0一CH3(2)写出肉桂醛()与银氨溶液反应的化学方程式

a cuprnedtrace thegnof Chinese cv Besiderorelate以，59 (relate)to thealone slasticculture of the Xia Dynasty (21st century-16th century BC)and the process of civilizationthe middle reaches of the Yangtze Riverave been moved forward.Theeveryyou knm thestudies aroused widespread attention.the updated regulations supervising theebra'sprotection and management of uder9e(锈f艺品）released in202,could hunderwater archaeology and cultural ertageIn China re entering3reserveHe saicrts ofeChineillivrthe proteeton of lral relic ith hegreatest care,and willep)cooperation with other countries to rry ou keyburnedure ofprograms.ude to"We need to allw the achievements of cultural relic protection to better servenmicandsia devement,eniven(使更有生气)cultural heritage,promote thecreative transformtion and development of such studies,and try our best to write“new chapter in cultural heritage development,"said Hu.第四部分写作（共两节，满分40分）第一节（满分15分）by the假定你是李华，上周三你校开展了“写对联(Writing Couplets)”的活动，请你给校英文报写一篇报道，内容包括：people1.活动目的；2.活动过程，isn't al3.活动反响。about注意：hungry1.写作词数应为80词左右；注意：2.请在答题卡相应位置作答。2.第二节（满分25分）strators阅读下面材料，根据其内容和所给段落开头语续写两段，使之构成一篇完整的短文。of theThe backyard of the house we lived in,for some reason,wasa shelter for abandonedomes innd homeless petsin the are and t Grandpa would fill six plates with leftoverisplay ofoodd cheap d and take themou to he backyard to feed the pets.ometimesthere was even a sray(走失)的dogor..if they were tame((到服)的，Grandp ouryogram toand find homes for them.英语试题（五）第11页共12页

本期参考范文书面表达专项练（二）591One possible version:One possible version:One possible version:Dear Tom,Dear Emily,Hello,everyone!My topic today is "Humour isMy article has been published in an English magazineKnowing that you are eager to improve your flexibility,essential in our life".As we know,life is not easy forI am writing to express my sincere gratitude to you forI would like to recommend Tai Chi to you.everyone and we need to have a positive attitude towardsyour guidance.Tai Chi is considered as a form of Chinese kung fu.it.So we badly need humour and there are variousAs a literature lover,I have been practicing writingThere are a lot of health benefits of practicing it.It canreasons.since my childhood and trying every possible means to boost your body coordination apart from improving yourFirstly,humour can help us relieve pressure.improve my writing skills.Last month,I wrote an article flexibility.More importantly,it can relieve stress andSecondly,a humorous person usually looks attractive,about my hometown.I asked you to help me revise it.cheer you up when you feel down.You can find somewhich contributes to building a close relationship withFollowing your advice,I polished my article and sent it tovideos on the Internet that teach you how to practice Taiothers.Thirdly,humour can keep us in high spirits,which an English magazine.Last week,I learned that my articleChi.In the park,you can see many people practicing itwill benefit our mental and physical health.had been published.I owe my success to your helpevery morning.You can also learn it from them.In a word,it is humour that makes our life colorfulI'd like to invite you to my home for dinner on Sunday.I am sure you will fall in love with Tai Chi whenand worthwhile.As far as I am concerned,we can't liveI hope you can accept my invitation.Lookingyou begin to practice it.落3a meaningful life without humour.That's all.Thank youforward to your early reply.Yours,发for your attention.Yours,LiHua酸LiHua言210One possible version:6One possible version:Dear Peter,改One possible version:Dear Jim,My name is Li Hua.I am writing to ask you to helpLast Sunday,the students'union in our schoolA variety of optional courses are offered this term,me in search of a warm-hearted student.organized a visit to the disabled children rehabilitationamong which Chinese cooking is very popular amongYesterday,I fell over a step on my way to the librarycentre.students.I would like to advise you to choose it.and could hardly move.Just at that moment,a foreignAt 8 am,we got to the centre.On arriving there,The course is taught by a famous chef who has wonstudent came to me.He gave me first aid immediatelywe were given a warm welcome by the children.First many prizes in various cooking competitions.Those whoand then took me to the hospital.But the kind boy left of all,we gave them lots of gifts.Then,we played sometake this course are supposed to gather in the service center.quietly before I could say thanks to him.The boy,Iinteresting games together,and they enjoyed themselvesfrom 4:20 pm to 5:00 pm on Thursday.The chef will teachguess,was in his twenties,of medium build,with curlyvery much.In the end,we told them some inspirationalthe leamners how to cook different types of Chinese cuisine.Iblond hair.I am eager to find him to express my gratitudestories.The children were interested in them and reallyto him.Could you help me find him?think this is a great opportunity for you to learn an importantgot inspired.At about 11:30 am,our activity came to ansurvival skill that will be beneficial to you in future.I would appreciate it if you could give me any kindend.of help.I hope you will have a great time learning ChineseI think this activity is very meaningful.On the onecooking.Yours,hand,we understood disabled children better.On theYours,LiHuaother hand,we developed the friendship with them.Li Hua3>11One possible version:One possible version:One possible version:Recently,the English Interest Group in our schoolDear Tom,Dear Chris,did a survey titled "How you keep in touch with yourI'm sorry to tell you that I cannot watch theThe annual art festival will be held in our sche

第二部分知识运用（共两节，满分25分）黑。第一节完形填空（共10小题；每小题1.5分，满分15分）阅读下面短文，掌握其大意，然后从短文后各题所给的四个选项(A,B、C和D)中，选出可以填人空白处的最佳选项，并在答题卡上将该项涂黑。True friendship lasts a lifetime.Years can pass,but the love always stays the same.For many years Tony Parker from the city garbage collection would arrive in front of theWierenicz home and there would always be three cute faces 16 for him.However,overtime,his route was 17,and Olivia,Emma.and Axel Wierenicz really missed him.Just for fun,the children's mother.Carla Wierenicz,posted an old video of Tony 18over and hugging her 3-year-old kids on Instagram.City officials saw the video and arrangedfor a(n)19 stop for Parker at Carla's house so he could see his young friends again.Just like old 20.the three kids did all the things they used to do when they saw Tony.From21_up into the truck to honking the horn(按喇叭)，it was amazing for the now-.7-year-olds.They even continued their 22 to the end of the street.For the special meeting,they 23 exchanged gifts.Tony brought them toy dumptrucks and T-shirts.The three kids gave Tony a 24 they spent the night making for him."I love it.I'm going to hang it on my wall."Tony said of their drawingCarla said Tony was 25 for the love of her kids and loved to play with them."Heloved those kids so much,and the kids love him;he was the kids'hero,"she said.6.A.aitingB.answeringC.payingD.caring77.A.finishedB.droppedC.changedD.gone☑18.A.runningB.showingC.puttingD.gettingA19.A.importantB.specialC.proper了20.A.trucksD.rightB.timesC.activitiesD.parents21.A.pickingB.risingC.summing22.A.livesD.jumpingB.greetingsC.racesD.23.A.justcommentsB.neverC.already24.A.flowerD.alsoB.toyC.dinner25.A.thankfulD.drawingB.anxiousC.famousD.sorry英语试题（专家版六）的第6页（共8页）

4.What is the purpose of this text?A.To give education tips for parents.B.To offer suggestions to teachers.C.To encourage students to do more homework.D.To tell the lives of high school students in different countries.BMark knew he shouldn't be listening under the window at old Mr.Crowe's house.But hecouldn't help it-the voices were so loud.“What old coat?”asked a woman.."The grey one,with all the pockets,"said a man,angrily.That was Mr.Crowe.Then Mark heard the woman speak again."That old thing!"she laughed."I put it outfor the garbage truck this morning.That must be Mr.Crowe's daughter,thought Mark.As he thought about his neighbour,Mark heard there was a different noise coming from the house.The old man was crying.“Why are you crying?”asked the woman.“It was just an old coat.”The sound grew louder.Mark couldn't move.Then he heard the old man speak again.“It wasn't just an old coat,,”he shouted.“The pockets were full of treasure.”"Treasure?The pockets were full of treasure?"Mark couldn't believe his ears.He had tofind the coat-fast.Mark ran back home to get his bike.As he cycled up Hill Road,he kept thinking,"Thepockets...full of treasure.The pockets...full of treasure.What could be in the pockets?Hundreds of dollars at least,Maybe even thousands..Or diamonds(钻石)，rubies(红宝石)and gold coins."The thought of it kept him going.At last Mark reached the top of the hill.He was glad to see the garbage truck,not far away from him.5.What did Mark do at old Mr.Crowe's house?A.He listened under the window.B.He looked through the window.C.He climbed up the window.D.He shouted at Mr.Crowe.6.What did Mr.Crowe lose?A.A green coat.B.A grey coat.C.Hundreds of dollars.D.Lots of diamonds.7.How did Mr.Crowe feeA.Happy.B.Sad.C.Relaxed.D.Calm.8.What's the best title for the passage?A.An Annoyed ManB.A Visit to the Hill RoadC.An Old Coat Full of TreasureD.A Different Noise Came from the NeighbourCYou may know about“junk food”like French fries..But do you know about“junk sleep'”?Recently,a British survey shows that there are many electronic products in teenagers'bedrooms.They are influencing teenagers'sleep badly.The survey was done among 1,000 British kids from 12 to 16.It found that 50%of themgot just 4 to 7 hours'sleep every day.But doctors say they need 8 to 9 hours.Almost 25%of the kids said they often fell asleep while they were watching TV,listening to music or using other electronic products.英语试题（一）第2页（共5页）

九年级教学质量监测模拟英语参考答案及评分标准第一部分听力I.1~5 BABBAⅡ.6~10 BABBCⅢ.11~15 ACCCBIV.16.Friday 17.park 18.hotter 19.noticed 20.cool评分标准：1~20题每小题1分。16~20中的单词拼写错误可酌情扣分。第二部分英语知识运用V.21 ~30 DCDAD 26~30 BBACC评分标准：21~30题，每小题1分VI.31 ~35 BDAAB 36~40 AADAC 41 ~45 CBDBD 46~50 ACBBB评分标准：31~50题，每小题1分。第三部分阅读理解VII.51 ~55 AGDFB评分标准：51~55题，每小题1分。VII.56~59 DAB 59~62 ADAD 63 ~65 DAA 66 ~69ABBC 70~72 BDD73.Because he often sits on Yosh's back when he gets tired.74.He feels happy and lucky.75.JJ Yosh and his cat are all adventurers.评分标准：56~75题，每小题2分。(73~75意思对即可)IX.76.avoid 77.several 78.effort 79.shy80.energy评分标准：76~80题，每小题1分。X.【范文】A possible version:Dear Mr.Smith,I am writing on behalf of our Chinese painting club to invite you to come to our StudentActivity Centre for some activities with us from 2:00p.m.to 5:00p.m.this weekend.As we know,Chinese painting is an important part of Chinese traditional culture.And itshows the beauty of persons and nature.You will enjoy a speech about the history of Chinesepaintings and some great Chinese painting works by famous Chinese painters in ancient times,like Wu Daozi and Zhang Zeduan.After that,we will practice it and learn about some basicdrawing skills.Lastly,we will communicate with each other about our feelings.I hope that you will be here to feel the beauty and power of Chinese painting.Lookingforward to your coming.Yours,Li Hua九年级教学质量监测模拟英语参考答案及评分标准第1页（共5页）

W:Of course not.(Text 6)M:Room two twenty is smaller than our other rooms,but the price is just one hundred and sixty-five dollars forthe night.W:Does that include use of the pool and the exercise room?M:Of course.It includes the use of all facilities except the tennis courts,which are closed for the winter.W:Okay,I'll take it.I'll just carry my suitcase up and have a quick look at the room,and then I'm going out for abite to eat.I'm starving.(Text 7)M:It was great to actually meet the person that wrote the books I've enjoyed so much.And he asked us a lotabout our opinions of his work.W:I found that as he talked,it made all the references in his stories much clearer.He's certainly had variedexperiences-becoming a doctor,going climbing in the Andes...M:You're right.For me,that's the attraction of the stories-they've got such a wide range of settings.Younever get bored.W:I don't know.There have been a couple I couldn't get into.M:Well,they all make some sense to me after what he said.(Text 8)W:Have you heard about the apartment in Curry Grove that I've been assigned to design?It turns out that it willtake a lot more time than originally planned.Would you be able to help me out?M:Unfortunately,I'm not going to be able to.I'm supposed to train our new workers over the next two weeks,soI am not going to have time to do anything else.You can't do it all on your own?W:I probably can,but it is a very important project.I'm hoping to get it done by the deadline for sure.M:Then,you should tell Mr.Cortez and see if you can get help from him.He's a very generous co-worker,so Ithink he would be happy to help you a bit if you can't do it on your own.(Text 9)W:Good morning.Welcome to Science World.Today we're talking about direction.Some people never get lost,while others need a GPS just to find their way to the store!And,of course,a GPS is not always accurateM:Definitely.Everyone has a story about following a GPS route and ending up in the middle of a field!But,whyare some people so much better at finding their way than others?Are they born with that skill?W:Not necessarily.Scientists say people who have a good sense of direction probably pay more attention towhat's around them.They notice more details.A lot of people don't pay attention at all.If you're thinkingabout something else while you're walking,of course you're more likely to get lost.M:Hmm.I guess we do use things we see to help us find places.I remember there was a tree at the corner of astreet where my friend lived.One day,the tree was gone,and I couldn't find the street.I was completely lost!I was using the tree as a visual clue,even though I didn't know it.W:Yes,I've experienced something similar to that.Well,one day...(Text 10)M:Hello everyone.My name is Alan.On behalf of Medi Travel I'd like to welcome you all to Ibiza,where fun isas certain as debt and taxes.I am pretty sure you are going to enjoy your stay here in Ibiza.This is a beautiful,exciting city where you can relax and sit by the beach or enjoy some of the best clubs in Europe.You canwalk into town and enjoy the local shops and restaurants or take a moonlit walk along the water if you prefer4

泉州市部分中学2024届高二下期末联考英语参考答案录音文稿Text 1W:Are you going to be a teacher or a lawyer?M:Neither.In fact,I'm considering working as a journalist.I find it interesting and I wouldlove the challenge.Text 2W:Did you hear that there's a meeting this afternoon?M:Yes,I did.Do you know what it's about?W:I think it's about electing the new monitor.Text 3W:Bill,what's the matter with you?You look so tired and your eyes look dull.M:I didn't sleep well last night,for I always woke up with a sore throat and a cough.Text 4M:Hi,Maria.Our class are going to the park this Saturday.Would you like to cometogether?W:The park?But it's March,too rainy and early to have a party there!M:The plan is to clean up the park.We hope people will feel pleasant while they are there.Text 5W:James,would you like to watch a film with me tonight?M:Rachel,I'm not in the mood for this.W:Why?What's going on?M:I've lost the tennis game yesterday.Text 6W:Oh no.I don't have Amanda's phone number.M:What's wrong,Miyako?W:Amanda said we should get together again and that I should call her.But I don't have herphone number.M:I see...Well,don't worry about it.For Americans,that's usually a friendly way to saygoodbye.It's like when Americans say "Hello,how are you?",but they don't want you totell them how you are.It's just a friendly greeting.W:So saying "Let's get together sometime"is similar to that?M:Yeah,that's right.Text 7W:David,have you heard the news?Our school team is in the finals.M:I know.I watched the match on TV last night.【高二英语·参考答案第1页（共6页）】·23-514B·

基础题与中考新考法·九年级·全一册·英语reason原因；rule规则；idea想法。根据上文4.I am proud of myself to make much progress in"To our surprise,Mary chose chocolate in thestudying.game.”可知大家感到惊讶，所以要询问原5.Be careful about how to use these sayings因。故选B。6.She made a decision to learn something new to6.B【解析】考查名词词义辨析。progress进make her life more interesting.步；difficulty困难；point点；trust信任。根据写作迁移训练下文“so I want one for my sister'”可知此处指【高分范文】的是很难买到。故选B。My Changes7.B【解析】考查形容词词义辨析。busier更Looking back at the past three years,there忙碌的；happier更幸福的；stronger更强壮are many changes in different areas of my life的；worse更坏的。根据上文“I've never hadOn the one hand,I used to stay up late butchocolate and my family has 6 in buyingnow I think it's important to have a good rest.one,so I want one for my sister.”及空后的What's more,I'm gradually fond of sports such as“and more peaceful life than Mary”可知此处running and playing football,so I always spend指的是作者感到自己的生活比May的要更time exercising on the playground.On the other幸福。故选B。hand,I was too lazy to finish my homework on8.C9.B10.Btime in the past,but now I am proud of myself to4拓展设问make much progress in studying,especially in1.C2.BEnglish.3.C【解析】句子排序题。题干意为：下列事In a word,progress makes me happy and I件的正确顺序是什么？根据文章内容可知really believe my life will be better and better作者首先加入了俱乐部，接着和一个非洲女教材词句默写孩交了朋友，后来他们玩游戏，最后作者为玛丽买了铅笔。故选C。1.pride 2.introduction 3.exam/examination4.D【解析】写作意图题。题干意为：作者写4.speech 5.background 6.ton 7.ant这篇文章是为了0根据文章最后8.insect 9.fail 10.require 11.deal;dealt一段中的倒数第二、三句可知作者写这篇文12.dare 13.proud 14.silent 15.helpful章的目的是表达对父母和祖国的爱和感激。16.private 17.humorous 18.absent故选D。19.British 20.seldom 21.exactly第6课时22.interview 23.influence 24.guardSection B 3a~3b25.public 26.score 27.general 28.Asian教材词句促写作29.European 30.African 31.take up佳作好句仿写32.deal with 33.take care of 34.take pride1.I spent a long time developing the good habit ofin 35.in public 36.in person 37.at leastreading every day.38.from time to time 39.be proud of2.I used to stay up late but now I think it's40.be afraid of 41.be nervous ofimportant to have a good rest.3.The reason why I read newspapers is that I want单元检测to improve my reading skills.I.【主旨大意】本文是一篇记叙文。文章主要20万唯九年级QQ交流群：551549843

第5期练题参考答案第2版READING ACTIVITIESActivity1略Activity 21.accommodation2.unique3.amazed4.fit5.four6.Admiring7.countryside8.(Uros)familyActivity 31.unique2.amazing3.exact4.excellent5.beautifulActivity 41.travel by boat,enjoy the unique plants and animals,explore the rainforest2.explore the ancient city,walk on amazing paths through the Andes Mountains3.visit the museums,admire the architecture,enjoy the excellent local food,goshopping,enjoy the unique Spanish and local Indian culture,stay in a local hotel4.enjoy the beautiful countryside,drive along the new highway,stay with a localUros familyLEXICAL CHUNKS1.获得护照2.apply for a visa

数A生成到气的新经程字线颜化御的佛解仁周体中气元有的质颜B周体中二氧化锰的质量分数加热时商。分评卷人二，镇空及简答题（本大题共6小题，计24分）签站美验能他用的无性三锁即化像大阳能电池中含有家(C)元素。金属像由《填”分子”、“原子“或“离子“)构成。(2)航天工业曾用液氢作火箭燃料，氢气液化过程中发生改变的是(3)舱外宇航服中，向航天员输送的可供给呼吸的气体是(4)“人造空气”帮助人类实现了“太空漫步”的梦想。“人造空气”中含有体积分数70%的氨气，比空气中氮气含量(填“高”或“低”)。11.(3分)小亮收集了一瓶浑浊的河水，进行水的净化实验，其实验流程如图所示。浑浊的加明矾河水、操作1广固体A静置一度体用试剂C→度体回氯急。一个化网(1)操作1的名称是操作2(2)操作2主要除去色素和异味，选用的试剂C是24分)名面（于里江山图）是一匹整绢剑作的青绿山水画长卷，西中的颜料选用名他天然(3)日常生活中用检验净化水”是硬水还是敏水。石加工而成。一些矿石的主要成分及颜色如表：雌黄赭石Fe2O3可矿石孔雀石朱砂As2S3Cu2(0H)2C0Hgs黄色红色主要成分颜色绿色红色(填化学式)。)上述各矿石所含主要成分属于氧化物的是)孔雀石的主要成分C,(0H),C0,中铜元素的化合价为33As碑74.92淀黄中呻元素在元素周期表中的信息如右图所示，其相对原子质量为朱砂中硫离子的结构示意图为九年级化学调研检测L-3-(共6页)

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