D.利用蛋白质工程可以在大肠杆菌细胞中得到人的干扰素13.关于基因工程中载体的叙述,错误的是()A.载体与目的基因结合的过程发生在细胞内B.载体须具有一个至多个限制酶切割位点,以便与外源基因连接C.基因工程常用的载体有质粒、噬菌体和动植物病毒D.载体须具有标记基因,以便鉴定和选择重组的DNA分子14.下列关于生物技术或工程中常见的几种酶的叙述,正确的是()A.限制性内切核酸酶只能从原核生物中分离纯化出来B.E.coli DNA连接酶的作用是将具有互补黏性末端的2个DNA片段连接在一起C.Taq酶是PCR仪扩增DNA分子时常用的一种耐高温的DNA连接酶D.RNA聚合酶可以与启动子结合,驱动翻译过程,产生蛋白质15.为提高转基因抗虫棉的抗虫持久性,可采取如下措施:①基因策略:包括提高杀虫基因的表达量、向棉花中转入多种杀虫基因等。例如,早期种植的抗虫棉只转入了一种Bt毒蛋白基因,抗虫机制比较单一:现经常将两种或两种以上Bt毒蛋白基因时转入棉花。②田间策略:主要是为棉铃虫提供庇护所。例如我国长江、黄河流域棉区多采用将转基因抗虫棉与高粱和玉米等其他棉铃虫寄主作物混作的方式,为棉铃虫提供天然的庇护所。关于上述策略,下列叙述错误的是()A,转入多种Bt毒蛋白基因能提高抗虫持久性,是因为棉铃虫基因突变频率低且不定向B.转基因棉田周围种植非抗虫棉,可降低棉铃虫抗性基因的突变率C.为棉铃虫提供庇护所,可使敏感型棉铃虫在种群中维持一定比例D.为棉铃虫提供庇护所,可使棉铃虫种群抗性基因频率增速放缓16.PCR是一种DNA体外复制技术,可以用来扩增目的基因。下列相关叙述正确的是()A.PCR需要DNA模板、脱氧核苷酸、引物、解旋酶及DNA聚合酶等B.当降温复性后,PCR的反应液中只会出现引物与模板链互补的情况C.可以利用PCR技术直接扩增mRNA,加快生产目的蛋白的速度D.PCR的缓冲液中一般要添加Mg+,以用于激活DNA聚合酶17.下列关于生物技术的安全性及伦理问题的观点,正确的是()A.应严格选择转基因植物的目的基因,避免产生对人类有害的物质B.当今社会的普遍观点是禁止克隆人的实验,反对治疗性克隆C.反对设计试管婴儿的原因之一是因为试管婴儿技术属于无性繁殖方式D.生物武器具有致病能力强、攻击范围狭窄等特点,应严格禁止18.人的血清白蛋白(HAS)在临床上需求量很大,通常从血液中提取,成本较高。如果将人的血清白蛋白基因导入奶牛细胞中,利用奶牛乳汁来生产血清白蛋白,能够极大地降低成本,且安全高效。下图是利用奶牛乳汁生产HAS的过程图(注:⑦代表受体母牛),下列叙述错误的是()①⊙Q⑤血清白蛋白基因卵母细胞⑤口处理荷斯坦分散-O胚胎。奶牛组织培养单细胞乳汁中提取,二y⊙②③血清白蛋白A.①进入③之前,必须构建基因表达载体,⑥进入⑦之前,必须取内细胞团做性别鉴定B.在⑥阶段移植的胚胎为桑葚胚或囊胚C.该过程综合利用了核移植、动物细胞培养和胚胎移植等工程技术D.血清蛋白基因只在牛的乳腺细胞中表达与特定的启动子有关3
2023年春期高一期末考试生物参考答案一、单项选择题(每小题2分,共60分)1--5 ADCAC 6--10 DADCC11-15AACCD16--20 BDACC 21--25 DCDAC26--30 BDDCB二、非选择题(共40分)31.(每空2分,共12分)(1)两株紫叶植株自交后代均为紫叶,紫叶性状可以遗传(2)①全为紫叶植株②全为绿叶植株(3)将F,植株自交得到F2,观察并统计F2的表现型及比例2中绿叶植株:紫叶植株=9:7F2中绿叶植株:紫叶植株=1:132.(除标注外每空1分,共8分)(1)蛋白质和DNADNA(2)T2噬菌体是病毒,须寄生在大肠杆菌中增殖(2分)(3)使吸附在细菌上的噬菌体与细菌分离沉淀物(4)培养时间过长,增殖形成的子代噬菌体从裂解的细菌体内释放出来(2分)33.(除标注外每空1分,共10分)(1)①②mRNA、tRNA、rRNA(2分)(2)核糖核苷酸、RNA聚合酶、ATP(2分。写出2项得1分)(3)从右向左相同(4)缺少氨基酸会使负载RNA转化为空载tRNA,空载RNA通过抑制DNA的转录和激活蛋白激酶抑制蛋白质合成(或抑制翻译过程),减少蛋白质的含量,抑制细胞的分裂(3分。答出“负载RNA转化为空载RNA”得1分,答出“抑制DNA转录”得1分,答出“激活蛋白激酶抑制蛋白质合成”得1分)34.(除标注外每空1分,共10分)(1)因为男性白细胞具有X、Y两种性染色体,而女性只有X一种性染色体(2分)(2)地理基因交流(3)一个种群中全部个体所含有的全部基因生态系统多样性(4)常染色体隐性遗传没有因为在这十年中,该种群的基因频率没有发生改变(2分)
2023年春期高一期末考试生物参考答案一、单项选择题(每小题2分,共60分)1--5 ADCAC 6--10 DADCC11-15AACCD16--20 BDACC 21--25 DCDAC26--30 BDDCB二、非选择题(共40分)31.(每空2分,共12分)(1)两株紫叶植株自交后代均为紫叶,紫叶性状可以遗传(2)①全为紫叶植株②全为绿叶植株(3)将F,植株自交得到F2,观察并统计F2的表现型及比例2中绿叶植株:紫叶植株=9:7F2中绿叶植株:紫叶植株=1:132.(除标注外每空1分,共8分)(1)蛋白质和DNADNA(2)T2噬菌体是病毒,须寄生在大肠杆菌中增殖(2分)(3)使吸附在细菌上的噬菌体与细菌分离沉淀物(4)培养时间过长,增殖形成的子代噬菌体从裂解的细菌体内释放出来(2分)33.(除标注外每空1分,共10分)(1)①②mRNA、tRNA、rRNA(2分)(2)核糖核苷酸、RNA聚合酶、ATP(2分。写出2项得1分)(3)从右向左相同(4)缺少氨基酸会使负载RNA转化为空载tRNA,空载RNA通过抑制DNA的转录和激活蛋白激酶抑制蛋白质合成(或抑制翻译过程),减少蛋白质的含量,抑制细胞的分裂(3分。答出“负载RNA转化为空载RNA”得1分,答出“抑制DNA转录”得1分,答出“激活蛋白激酶抑制蛋白质合成”得1分)34.(除标注外每空1分,共10分)(1)因为男性白细胞具有X、Y两种性染色体,而女性只有X一种性染色体(2分)(2)地理基因交流(3)一个种群中全部个体所含有的全部基因生态系统多样性(4)常染色体隐性遗传没有因为在这十年中,该种群的基因频率没有发生改变(2分)
O NH-NH12,E度1cg+g一CH8)+2H0(g)4H<0CHCOOH浓HNO,KMnO,/H+N2H·HzOVI(C H.O2)反应7g)+2A(g)CHOH(g)4H,<0浓H,SO,①CHOHC2HOH反应mCHg)+C0g=2C0g)+2H(g)4H>0NH2C4和居为原料制备甲醇的反应()的衡常数表达式K一CHOC40:O,根据反应【~Ⅲ,请写出此反应的热化学方程式:()-Nc(CO)·c(),若该反应在一绝热恒容密闭容器中进行,下列不能OHH.N说明反应已达到衡状态的是(填字母)。NOHa.(CHOH)=v(HO)点总压强不变NO2NH2c衡常数不变Fe、HCld音内器的值保特不变已知:(苯胺易被氧化)。(2)某实验室控制C0,和H2的初始投料比为1:2.2,在相同压强下,经过相同反(1)I→Ⅱ的反应类型为,V的名称为应时间测得如下实验数据:(②)反应①和反应②的顺序能否调换?说明理由:封15.372.74·(Cu/ZnO纳米棒,催化剂I)471.6412.0△(CuZa0纳米片,催化剂I)(3)已知M→X涉及两步反应,第一步是加成反应,第二步是消去反应,写出由M42.3·39.1→区的化学方程式:5435531K5435537水根据上述材料,请选择甲醇产率最大的条件:(④)I的结构简式为温度为553K,选择催化剂Ⅱ时,C02的转化率12.0%是不是该状态下的衡(⑤)化合物X与Ⅷ互为同系物,X的相对分子质量比Ⅷ大28,则满足下列条件的X转化率?(填“是”或“不是”),原因是的芳香族同分异构体有种,其中核磁共振氢谱有4组峰,且峰面积之比为6:2:1:1的结构简式为(任写一种)。(3)一定条件下,在装有催化剂的密闭容器中投入mol C02和3 mol H2,发生上①能够发生银镜反应线述反应N,同时有副反应C02(g)十H2(g)一C0(g)+H2O(g)△H>0发②能够发生水解反应生。达到衡时容器中CH,OH的物质的量为cmol,CO的物质的量为Ndmol。则此条件下CO2的转化率为NCHCH,下副反应的衡常数为】(列式表示,下同),此条件(6)根据上述信息,设计以乙醇、间二甲苯为原料合成的20,(15分)席夫碱化合物具有结构多样,性质稳定的特点,且具有良好的与金属离子配位的能力,因此是一类重要的荧光探针分子。一种合成含席夫碱结构的新型路线(无机试剂任选)。Z+荧光探针P1(化合物X)的流程如图所示。请回答下列问题:全国100所名校最新高考冲刺卷第1页(共8列)【23·(新高考)CC·化学(二)·GD0NG】通10所名校最新高考冲刺卷第8页(共8页)【23·(新高考)CCJ·化学(二)·G DONG】
Ksp(CaCO3)=c(Ca2+)c(CO32-),IgKsp(CaCO3)=Igc(Ca2+)+lgc(CO32-)K(H,C0,)=cH)·cc0),推知c(H2C03)①lgc(HCO3))=pH+[lgKa(H2CO3)-5];同理可推:2Igc(CO32-)=2pH+[lgKa/+lgKa2-5],31gc(Ca2+)=1gKsp-lgc(CO32-)=-2pH+[lgKsp-IgKa!-1gKa2+5]A项,由①②③可知,曲线①代表HCO3,曲线②代表C032,曲线③代表Ca2+,A项正确:B项,由②lgc(CO32-)=2pH+[lgKa+lgKa2-5],B项正确;C项,由a点数值可知Ka=10-6.3,由c点数值可知K2=1010.3,再由b点数值代入③可知K(CaCO3)=108.6,C项正确;D项,若空气中的CO2浓度增加,CaCO3(s)+CO2(g)+H≥Ca2+2HC03,衡正向移动,水体中的Ca+浓度增大,D项错误。16.答案:C解析:A.铁片表面无变化是因为铁发生了钝化,仍是铁的还原性强于铜,结论错误。B.验证铜与浓硫酸反应后的产物,应将反应液倒入盛水的烧杯中,防止浓硫酸稀释时液滴飞溅,实验方案错误。C.用新制氢氧化铜检验醛基存在,就是利用其弱氧化性,故正确。D.Na2S与ZnSO4反应中,Na2S过量,可以继续与CuSO4反应产生黑色沉淀,无法得出Ksp(CuS)
3/310.推理是学化学的重要方法之一,下列推理正确的是日A,Fe能与CuSoa溶液反应,则Fe也能与ZnSO4反应B.Na、C的最外层电子数均为8,则最外层电子数为8的粒子都是离子C.向碳酸钠溶液中滴加无色酚酞试剂,溶液变成红色,说明碳酸钠溶液呈碱性HD.有机物一定含碳元素,则含碳元素的化合物一定是有机物1山.某同学对下列四个实验都分别设计了两种方案,其中两种方案均能达到实验目的的是实验实验目的量方案1方案2探究水的组成氢气在氧气中燃烧电解水B区别蒸馏水和硬水观察颜色滴入肥皂水除去H中的HC1气体通入饱和NaHCO,溶液通过加热的CuOD探究分子的运动氨水挥发使酚酞溶液变红压缩注射器中的气体12.甲、乙试管中各盛有10.0g水,向其中一支中加入3.0gKNO3固体,另一支中加入3.0gNaC1固体,按图1进行实验(KNO3和NaCl的溶解度曲线如图2),下列说法正确的是溶解度溶液甲乙天35.102高是降温,13.3一水晶体40℃0102030405060温度图1图2A,甲中加入的固体是KNO,B.0PC时,甲中溶液可能饱和,乙中溶液一定饱和C,KNO,中含有少量NaC杂质,可用冷却KNO,热饱和溶液的方法提纯一D。40℃时,若使图1中甲、乙试管内的溶液恰好变为相应饱和溶液,甲中加入对应的溶质质量大于乙中加入对应的溶质质量成方洁衣学员产强建空定员到的产对银为常米税组最市果)用人格动京斯站中货的日的出的序出欢的风的性出代九年级化学第3页共6页
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容易得到的副产物有CO和CHO,其中相对较多的副产物为;上述合成甲醇的反应速率较慢,要使反应速率加快,主要降低下列变化中(填字母)的能量变化A.CO+OH→'CO+HOB.CO→'OCHC.OCH2→OCHD.'OCH→CHOH陕西师大附中2022一2023学年第二学期高一年级期终考试化学试题第11页共11页
中,利用了碳的化学性质的是优点是①作电极②作滤毒剂③制作固体润滑剂(写一条)。④作燃料⑤制作装饰品⑥冶炼金属⑦制作染料A.①②③④B.⑤⑥⑦10.【核心素养·科学探究与实践】在学过程中,C.①③⑤⑦D.④⑥小青同学提出一个问题:“碳燃烧时可能生成8.当氧化铜中混有少量木炭粉时,要保留氧化CO2,也可能生成CO,那么碳与氧化铜反应生成铜,除掉木炭粉的方法是(的气体有多种可能吗?”A.加热混合物【猜想】碳与氧化铜反应生成的气体中:①只B.在氧气流中加热混合物有CO2,则发生反应的化学方程式是C.在氢气流中加热混合物;②只有D.加水溶解,过滤;③既有CO,又有CO2。9.【新课标·跨学科实践】(2023·合肥模拟)【查阅资料】浸有磷钼酸溶液的氯化钯试纸遇21世纪被称为“超碳时代”,碳材料在新能源、CO2无变化,但遇到微量CO立即变成蓝色。高端装备制造和节能环保方面扮演着重要的【方案设计】通过上述资料和已有知识,小青角色。近日,我国科研团队以树叶为原料在空初步设想用浸有磷钼酸溶液的氯化钯试纸和气中制备出了碳材料,其流程如图所示(NaCl澄清石灰水对碳与氧化铜反应生成的气体进不参加化学反应)。该方法制备的碳材料更均行检验匀,具有更好的电化学性能。【实验验证】经过思考之后,小青设计了如图实验装置。树叶粉混匀空气加碳碎模热炉水洗C+CuONaCl机机包裹KBr600弹簧夹外壳料800℃浸有磷钼登清酸溶液的1氯化钯试纸分析流程,回答问题:(1)树叶进入粉碎机之前应进行的操作是【实验步骤】(1)打开弹簧夹,先通一会儿纯净、干燥的(2)进入空气加热炉的反应物需要在外层包裹N2,通一会儿N2的目的是KBr外壳,以防止空气与反应物接触,由此说明KBr具有的性质是(2)关闭弹簧夹,点燃酒精灯加热。(写一条),若KBr外壳被破【结论】充分反应后,小青观察到:试纸坏,则空气加热炉中可能发生的反应是,澄清石灰水,证明猜想③是正确的,A中可能观察到的现象是(填化学方程式)。0【反思与评价】实验结束,可不可以先撤去酒(3)此生产过程中可循环利用的物质是NaCl精灯?说明理由和(4)生产碳材料的上述方法与传统方法相比,72九年级化学上·R安徽专用
学生用人书名师导学·选择性考试第一轮总复·化学名称:托盘天仪器主要用途使用方法及注意事项①称量前先调零点(1)注意活塞不得渗漏②腐蚀性药品或易潮(1)用于随时添(2)分离液体时,下层液体解药品应放于小烧加液体由下口放出,上层液体由(2)萃取、分液上口倒出注意杯内称量分液漏斗(3)使用前先验漏③左盘放物品,右盘可直接加热,加热时液体放砝码蒸发或浓缩体积不超过其容积的号,④精确度为0.1g蒸发皿溶液当有大量固体出现时停止名称:温度计加热①水银球不接触器壁(1)直形冷凝管一般用于②蒸馏时,水银球放在支注意蒸馏或分馏时冷凝管口处蒸馏时,用于冷(2)球形冷凝管通常用于③不能当玻璃棒使用凝蒸气A.球形冷凝管回流心小提示B.直形冷凝管(3)冷却水下口进、上口出化学仪器中3个“0”(1)一般选择能与杂质气(1)滴定管的“0”刻度在滴定管的上部除去气体中的体反应的试剂作吸收剂杂质,其中广口(2)装入液体量不宜超过(但不是最上端),在量取液体的体积时,液面不一定要在“0”刻度,但要在“0”刻度以下;滴瓶可换作大试容积的号洗气瓶管或锥形瓶定管读数时,装液或放液后,需等1~2min后(3)气体的流向为A进B出才能观察液面高度。(2)量杯、量筒、容量瓶没有“0”刻度。用于干燥或吸(1)注意干燥剂或吸收剂收某些气体,干(3)温度计的“0”刻度在温度计的中下的选择燥剂为粒状,常部。(2)一般为大口进气,小口球形干燥管用无水CaCl2出气4.常用的物质分离、提纯的仪器碱石灰仪器主要用途使用方法及注意事项心吵小提示(1)制作过滤器时,滤纸紧(1)向小口容器因为馏分容易因冷凝而留在球形容器贴漏斗内壁,用水润湿,注中转移液体意不得留有气泡中,不能到达锥形瓶,所以蒸馏(或分馏)时,(2)加滤纸后,漏斗(2)滤纸边缘低于漏斗边不能用球形冷凝管只能用直形冷凝管;球形可过滤液体缘,液面低于滤纸边缘冷凝管冷凝效率高,常用于冷凝回流(竖直放置〉300
期练题参考答案Michael Jordan:changed basketball with his graceful第3版2.Even if/though failing so many times,Zhang Hong第1版moves and jumps,find a way to win,learn from hisLANGUAGE LEARNINGnever gave up.THEME READINGfailures,accept failure,practise harder,never give up,语言知识学篇3.Members of the China women's volleyball team set aPART1[Self-check】share his success with othersgood example for teenagers.I.I.compete2.audience3.sweatPossible answers:Hard work,determination,strongLEXICAL CHUNKSPART34.host5.cheatwill,never giving up,etc.1.pretend to fall downL.1.isn't2.is there[Reflection】2.do his/her best to win4.didn'tIL.①n.大事②n.比赛项目3.does it略3.compete for one's country2.①n跑道②v追踪;跟踪5.didn't第2版4.bring honour and glory to her country3.①n.适合②n.健康II.1.made a big differenceREADING ACTIVITIES5.work out6.cut outIII.1.works out2.makes sense2.rather than driving a carActivity1略4.coming alongActivity 2 1.honour2.medals7.be positive about oneself3.made it3.cut sugar out of their diet5.Even if6.fall down4.be compared with walking3.lose heart4.moves and jumps8.add healthy foods to my mealsPART25.19966.give up语言知识应用篇9.come along10.make itI.1.injury2.strength7.failures2.for11.make sense12.even if/though1.which /that3.championships4.gracefulActivity 3 1-4 FFFT3.called4.parts13.make a difference14.rather thanActivity 4 1-5 CDAEB5.master6.failures6.As15.有时;偶尔16.comparewith /to...5.is known7.legendActivity 57.to jump8.had developedLang Ping:worked together as a team,brought honour17.set an example18.fall apart1.Michael didn't lose heart after losing the first game.9.quickly10.themand glory to her country,never lose heart19.lose heart20.give up
要生用人节名师导学·选择性考试第一轮总复·化学质量分数是(写出表达备钴的氧化物的重要原料。如图为二水式)。已知滴定反应方程式:合草酸钴(CoC2O4·2H2O)在空气中受CH,OHCH,OH热的质量变化曲线,曲线中300℃及以OH上所得固体均为钴氧化物。2HI18.HO168.按要求回答问题:450227012(1)将19.4gC02和水蒸气的混合气体,与C300℃,8.03g)足量的Na2O2反应,收集到标准状况下1503004506007509005.6L的气体,试确定混合气体的均相温度/℃对分子质量为,C02与水蒸气①通过计算确定C点剩余固体的化学成的物质的量之比为分为(填化学式)。试写出B点(2)AIN用于电子仪器。AIN中常混有少量对应的物质与O2在225~300℃发生反碳,将一定量含杂质碳的AN样品置于应的化学方程式:密闭反应器中,通入4.032L(标准状况下)的O2,在高温下充分反应后测得气体②取一定质量的二水合草酸钴分解后的的密度为1.34g·L-1(已折算成标准状钴氧化物(其中C0的化合价为十2、况,AN不跟O2反应),则所得气体的摩十3),用480mL5mol·L-1盐酸恰好完尔质量为g·mol1,该气体的全溶解固体,得到CoC12溶液和4.48L成分是(写化学式),该样品中(标准状况)黄绿色气体。试确定该钴氧含杂质碳g。化物中C0、O的物质的量之比(写出计算(3)钴及其化合物广泛应用于磁性材料、电过程)。池材料及超硬材料等领域。草酸钴是制370
you for pursuing a career in a STEM field.US women have a lot of work to do to take ourplace in science.The image of the card has 53 hundreds of comments as people were left surprised bythe heart-warming act.One said happily,"It brought a 54 to my face.What a wonderfuland kind gesture from a (n)55."A second said,"Some humans are absolutelywonderful.”41.A.newspaperB.bookC.letterD.card42.A.hopedB.imaginedC.realizedD.reported43.A.orderB.healthC.faithD.fame44.A.teachersB.relativesC.friendsD.classmates45.A.congratulateB.praiseC.forgiveD.respect46.A.ruleB.rewardC.giftD.result47.A.quicklyB.naturallyC.suddenlyD.accidentally48.A.in dangerB.in troubleC.in returnD.in need49.A.readsB.tellsC.showsD.spreads50.A.annoyedB.satisfiedC.mixedD.familiar51.A.addressedB.attachedC.limitedD.exposed52.A.understandB.knowC.loveD.influence53.A.madeB.invitedC.gainedD.passed54.A.pictureB.flowerC.tearD.smile55.A.strangerB.engineerC.professorD.student第二节(共10小题:每小题1.5分,满分15分)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。World Book and Copyright Day is a celebration to promote the enjoyment of books andreading.Each year,on 23 April,celebrations take place all over the world 56 (recognize)the scope (of books-a link between the past and the future,a bridge betweengenerations and across cultures.On this occasion,UNESCO and the internationalorganizations 57 (represent)the three major sectors of the book industry-publishers,booksellers and libraries,select the World Book Capital for 58 year to keep the impetus(动力)of the Day's celebrations.23 April is a symbolic date in world literature.It is the date 59 several famousauthors,William Shakespeare,Miguel de Cervantes and Inca Garcilaso de la Vega all 60(die).This date was a natural choice for UNESCO's General Conference,61 (hold)inParis in 1995,to pay a world-wide tribute()to books and authors,encouraging everyoneto access books.By supporting books and copyright 62 (great),UNESCO stands up for creativity,63 (diverse)and equal access to knowledge,with the work across the board-from theCreative Cities of Literature network 64 promoting literacy and mobile learning.With theactive involvement of all 65 (participant):authors,publishers,teachers,librarians andthe mass media,World Book and Copyright Day has become a platform to gather togethermillions of people all around the world.第四部分写作(共两节,满分40分)第一节(满分15分)假定你是杭州红星中学的高三学生李华。为了让来校交流的美国学生更好地了解中国和中国文化,你校组织美国学生到京杭大运河的杭州段参观。现在学校招聘导游,请你用英语写一封信给国际部负责人,应聘这个职位。1.写信目的;2.你的优势;3.你的期待。【高三英语第7页(共8页)】23206C
分别为0.4mol·L-1、0.5mol·L-1和0.2mol·B.若t2时刻反应达到衡,则t1时刻改变的条件可L1,则达到衡后,C的浓度大于0.4mol·L1能为升温D.保持其他条件不变,升高温度,正、逆反应速率均增C.若始终保持温度不变,则均反应速率:<大,且A的转化率增大(o,表示0~ts内Fe2+的均反应速率,,表示9.工业上可通过甲醇羰基化96.00~t2s内Fe2+的均反应速率)法制取甲酸甲酯(HCOOCH):CH OH(g)+94D.0一2s内Ag的均反应速率为°,04mol·L1t2CO(g)=HCOOCH(g),在94.0·s-1容积固定的密闭容器中,投93.513.T℃时,体积均为0.5L的两个恒温恒容密闭容器中入等物质的量CHOH和93.0发生可逆反应:3H2(g)+N2(g)一2NH3(g)△HCO,测得相同时间内CO70758085%温度(℃)=一QkJ·mol-1(Q>0)。保持温度不变,实验测得的转化率随温度变化如图起始和衡时的有关数据如下表:所示。下列说法不正确的是A.增大压强甲醇转化率增大起始时各物质物达衡时体系B.b点反应速率v正=V逆实验编号质的量/mol能量的变化C.衡常数K(5c)>K(85),反应速率h
D.乙酸和乙醇发生酯化反应CH3COOH+CH3CH2 DHCH;COOCH2CH3+H2O,乙醇、乙酸、乙酸乙酯蒸气在冷凝管中遇冷,回流到三口烧瓶中,增加乙酸、乙醇的利用率,提高乙酸乙酯的产率,同时利用分水器可以做到乙酸乙酯与水的分离,故D正确:答案为D。14.A.金刚石、金刚砂同属于共价晶体,C-C键比Si-C键键长短,键能更大,故金刚石比金刚砂熔点更高、硬度更大,故A正确;B.氯化钠晶体中C1的配位数为6,氯化铯晶体中C1的配位数为8,故B错误;C.干冰为分子晶体,干冰的晶胞中CO2的堆积方式类似于面心立方最密堆积,其出现在晶胞的顶点和各个面心上,因此以1个CO2为中心,其周围最多可以有12个紧邻的CO2分子,故C正确;D.水是极性分子,CCL4是非极性分子,根据“相似相溶原理”,O3臭氧极性微弱,所以在CCL4中的溶解度高于在水中的溶解度,故D正确。15.A.由图像可知,0.1moLH2A溶液的pH=1,即H2A全部电离为HA,说明第一步电cOH )(HA-)离为完全电离,HA不水解,A错误;B.Na2A水解衡常数K=c(A2-),结合pH=3时c(A2)=cHA),所以Kh=C(OH)=10I1,B正确:C.H2A溶液中全部电离,不存在H2A分子,则由物料守恒可知,c(A2)十c(HA)=0.1o/L,C错误;D.常温下,c(A2)c(A-)c(H)104=cHA)时,K=C(HA)=cH)-103,则A2水解衡常数K103=1011
struggling with hunger and food insecurity and due to COVID-l9it's a real.可知,夫妇俩正在帮助那些与饥饿和粮食不安全问题作斗争的人,由于新冠肺炎疫情的影响,粮食问题变成了一个真正的危机。48.C。根据文中的We're on a mission to...those struggling with hunger and food insecurity可知,布拉德•佩斯利讲述了他们的救济行动。49.B。50.D。51.D。根据文中的Many people who never.food insecurity in2020可知,许多人从未想过自己需要食物救助,但现在他们正寻求这种帮助。有超过5,400万人可能遇到了粮食不安全问题,这其中包括1,800万名儿童,也就是说,大约四分之一的儿童遇到了这样的问题,这是非常令人心痛的。52.A,53.C.根据最后一段中的To date the tour has already donated meals to different food banksin many cities可知,夫妇俩要在很多城市停留。54.B。根据文中的In many cities,,long lines of people are.to receive frozen meals可知,人们在排队等候领取冷冻食品。55.B。根据文中的Both individuals and families experiencing food insecurities.the frozen meals可知,正在遭受粮食不安全问题和经济困难的人,尤其是那些受到新冠肺炎疫情影响的人,可以领到冷冻食品。第二节主题语境:人与社会一社会服务本文是说明文。Wheel the World是一家美国无障碍旅行台,为残障旅行者提供旅行指南,制定无障碍旅行方案。56.largely。考查副词。设空处作状语,修饰谓语,应用副词,表示"很大程度上”,故填largely。57.their.。考查代词。设空处作定语,修饰destinations,应用形容词性物主代词,表示"他们的”,故填their。58.described。考查动词-ed形式。设空处作后置定语,修饰the one,且describe与the one之间为逻辑上的动宾关系,应用动词-ed形式,故填described。
来”。阅读专练参考答案及解析参考答案1-4 DACB解析主题语境:人与自我一一生活本文是说明文。研究表明,香薰蜡烛在燃烧时一般不会对我们的健康造成危害。l.D。理解具体信息。根据第一段中的In a recent study,researchers burned scented candles inseveral rooms ranging from a small bathroom measuring 6 by 6 by 9 feet to a living roommeasuring 15 by 15 by 9 feet and then used special instruments to determine what wasreleased into the air可知,研究人员在香薰蜡烛燃烧过后测量了不同大小的房间里的空气质量。2.A。理解具体信息.根据第二段中的health authorities have claimed that the authors'findingsare solid可知,这项研究的结论已经得到官方认可。3.C。推断。根据第三段中Dalton所说的When candles burn,they release chemicals inrelatively insignificant concentrations和第四段中Sadekar所说的Exposure to chemicals releasedby scented candles is so low that they pose no significant risk to human health可知,Dalton和Sadekar都认为常规使用香薰蜡烛是很安全的。注:第三段中的concentrations意为“浓度,含量”;on the order of意为“大约,差不多”,为美式英语用法,英式为in/of the order of。.4.B。理解观点、态度。根据最后一段中的According to Dr..Dalton,humans can detect apleasant smell at very low concentrations和Dalton所说的We've been told that we're at the lowend of the animal kingdom in terms of being able to detect various smells.That's just not true,Dalton认为人类的嗅觉是非常灵敏的。
杂志上。【补充说明】l.BST:British Summer Time,英国夏令时间。2.EDT:Eastern Daylight Time,北美东部夏令时间。B篇主题语境:人与自我一一做人与做事本文是记叙文。美国Sabrina Cohen女士致力于让残障人士享受海滩的事业。4.B,理解具体信息。根据第一段中的Sabrina Cohen was 14 and on her way to a party with friends when the carshe was riding in was hit near her home in Miami Beach,leaving her paralyzed from the neck down,Cohen14岁的时候,一场车祸导致她身体瘫痪。5.A。理解具体信息。根据第四段中的It was a sunny day on Miami Beach,I wanted to be by the water以及My wheels got stuck in the sand.It took a handful of strong men to get me out.It was that moment of helplessnessthat made me and my friend say,We need to do something about this beach access..’可知,20l3年Sabrina未能接近海边的那次经历,让她产生了让残障人士享受海难的想法。6.D。推断。根据第五段中的Nearly a hundred volunteers,including doctors and lifeguards,now show up for theevent以及第六段中的To date,.our special beach day program has welcomed over&,O00 participants,familymembers,.caretakers一from not only South Florida.,but really from all over the world可知,这个特别海滩日项目很成功。7.B。理解具体信息。根据最后一段中的Her next goal is to put up a27,000-square-foot,three-.storyconstruction in Miami Beach that will be open year-round.At the moment she's raising money for the up-to-date,Sl0.5 million oceanside center readily accessible to the physically challenged可知,Cohen目前正在致力于为残障人士建造一座海滩活动中心。C篇主题语境:人与社会一一社会本文是说明文。世界上最大的树屋度假区即将开始营业。8.C。理解具体信息。根据第二段中的Once they saw how popular it was becoming,they decided to turn40 acresinto the largest collection of treehouses and forts in the world可知,Jensens一家人看到孩子们曾经住过的树屋十分受欢迎,于是嗅到了商机,决定建造树屋度假区。9.A。理解具体信息。根据第三段中的The Jensens are working with a mountain-modern architecture companycalled MossCreek Designs to follow their dreams可知,Jensens一家人正在和一家建筑公司进行合作,帮助他们圆梦。l0.B。推断。根据第四段中的We hope to provide our guests with lasting memories,.and breathtaking viewsleaving them with a desire to come back and stay with us year after year可知,Amanda和Brian Jensen希望树屋度假区能给人们留下美好的回忆,让他们欣赏到美丽的景色,让他们产生再次游玩的想法。因此可以推知,Amanda和Brian Jensen认为树屋度假区值得一去。11.A。理解主旨要义。文章第一段指出世界上最大的树屋度假区即将开始营业,进而介绍了建造树屋度假区的原因、目前的进度以及特色,由此可知,本文主要介绍了一个树屋度假区。D篇主题语境:人与社会一一艺术本文是说明文。新冠肺炎疫情期间,许多人发挥创造力,利用身边现有物品重现名画场景。l2.D。理解具体信息。根据第二段中的The call for homemade art appears to have started with a DutchInstagram account,Tussen Kunst&Quarantaine可知,这个重现名画场景的挑战开始于一个名为Tussen Kunst&Quarantaine的社交台账户。l3.A。理解具体信息。根据第二段中的simple instructions:choose a work of art and find three things aroundyour house to recreate it可知,挑战规则非常简单,人们只要选择一幅艺术作品,然后利用家里能找到的三件物品重现作品场景即可。
听力录音材料第四档(16一20分)L,与所给短文融合度较高,与所提供各段落开头语Tert 1衔接较为合理。2.内容比较丰富。M:Here comes the waiter to take our order.Whatwould you like,Jane?3.比较有效地使用了语句间的连接成分,使所续写短文结构紧凑,表达合理。W,Wl.think I'd like to have somethis is the season for crabs.M:Great idea.第三档(11一15分)1.与所给短文关系较为密切,与段落开头语有一定Tert 2M:What are you reading?程度的衔接】2.写出了若干有关内容。3.应用简单的语句间的连接成分,使文章内容连W:Imeading noveIt is minyreohipbetw os贯,表达基本合理。by my favorite writer.Teat 3第二档(6一10分)1.与所给短文有一定的关系,与所提供各段落开头M Is this the first time you've applied fo语有一定程度的衔接a shop assistant?2.写出了一些有关内容W:Well,not exactly-I worked behind the3,较少使用语句间的连接成分,全文内容缺少连贯counter in the school cafeteria this year.I性,表达不够合理。know it's not really the same,but it is similar.Text 4第一档(1一5分】1.与所给短文和开头语的衔接较差。M:Judging from the number of cars,there can't2.写出内容太少be many people in the cinema.3.全文内容不连贯,表达不合理。W:I think so.People prefer to stay at home insuch bad weather.不得分(0分):白卷,内容太少,无法评判:或所写内容与所提供的Text 5内容无关。M:Excuse me.There is something wrong with myOne possible version:room.I booked a sea-view room,but I can seenothing except for some trees.The little boy got quite upset.With hisW:Let me see.I'm sorry,but we don't have anyeyes fixed on the poor dog,a sense ofmore sea-view rooms available.Instead,weresponsibility appeared in his heart.Driven bycan take 50 percent off your bill.something extraordinary arising in his mind,Text 6the boy looked straight into the store owner'sW:Can I help you?eyes,pointed his finger,and responded to theM:Yes,I like this blue shirt,but it seems tooowner in a firm voice,"That little dog is worthbig.Do you have a smaller size?every bit as much as the other dogs and I'll pay youfull price."Consumed by enormous confusion,W:I'm sorry-we only have blue ones in mediumthe store owner countered,"He is never goingsize left.We've got yellow and gray in small.What about a yellow one?.to be able to run and jump and play with youlike the other puppies."M:No,it's too bright.I prefer something mild,gray or white.After the shop owner's explanation,theW:How about this gray one?little boy reached down and rolled up his pantleg to reveal a badly disabled left leg.DeeplyM:Yes,that's nice.Can I try it on?shocked by the scene presented in front of him,W:Ofcoue the changing roomrevethe owner couldn't even let out a word.(A few minutes later)W:Is it OK?Feeling his surprise,the boy softly replied,"Well,I don't run so well myself.It won't beM:Yes.I'll take it.How much is it?long before I can save enough money to take itW,That's$12.95,home.Feeling a stream of warmth flowingM:OK,here is a $20.through his heart,the owner accepted theM.Lkt the newrbage cn I lokikText 7boy's request and gave him a tight hug with thedog's bark lingering in the air.battery.WIt'sa garbage can for used batteries.英语试题(四)参考答案第5页共8页
第一节NOTICEScience Odyssey Contest,a recent contest focusing on scientific experiments,is in progress,waiting for the active participation of all middle school students interested in science.Since the activity mainly centers on creativity and imagination,all entries should integrate creativeideas into the experimental designs.Once your video production is successfully made,you can sendyour resume,with the video attached,to www.owlkids.com by email.Besides,the deadline for theactivity is May 26th,so you're expected to get these done as early as possible.If you have any doubts in the process of video making,you can visit the website for further英语试卷参考答案与解析第5页(共9页)information.And I hope you won't miss such a rare chance to win great prizes!试题分析本次试题考查类型为通知。做为校科学俱乐部负责人,“我”负责通知对此感兴趣的同学们制作科学实验创意视频,积极参与此次竞赛。通知里还要包括视频内容、提交方式和截止日期这些写作要点。试题取材于真实语境,内容兼具趣味性和实用性,有利于培养学生的应用文写作能力。
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-ENGLISH WEEKLY高二北师大掌上周报关造阁极微信小程序英语周报智能小助手(2022-2023)第60期15.A。理解具体信息。根据最后一段中的thedrone could be useful in wildlife蛋中离型小算光的速:Dliving可知,作者由于缺乏绘画的材料第二节surveys in remote environmentsdive不得不另辟蹊径,去寻找其它方式来进主题语境:人与社会一科学into the water to attach a GPS tag可知,未等D的发行艺术创作,以此谋生。Necessity is the来该无人机将对跟踪研究野生动物很有dangerous相呼应。mother of invention意为:需求是发明之本文是说明文。研究表明中药关黄柏用处。19.B。根据下文中的No one wants to go to母。在对抗胰腺癌方面具有巨大潜力。第二节a doctor in a cold hospital clinic people25.B。根据上文中的to create art and earn a36to。考查介词。pay attention to为固定搭主题语境:人与社会—社会like the attention they get from alternativehealers可知,接下来作者又阐述living以及文中的Thanks toI was able配,表示“留心,注意到”,故填to。本文是议论文。文章论述了西医和替not only to..but thrive可知,作者的绘画37.involving。考查动词-ing形式。设空处代守法的刹弊。疗法受欢迎的另外个原因,即:想去冰冷的医院,喜欢替代疗愈手们事业因为疫情而受阻,她开动脑筋,用其作后置定语,修饰a Chinese herbal cure,l6.F。根据下文中的We have to check out予患者的者所关心,B项“另外它材料进行创作,不仅维持了生计,在艰且a Chinese herbal cure与involve之间为the medicine we take...We must do some,每个人都温柔地对待”符合此处的语境,且逻辑上的主谓关系,应用动词-ing形式,故research可知,我们应该检查我们服用的项难的时候生存下来,而且事业还取得了蓬勃的发展。填involving药物,询问不同的治疗意见,做些研,F项“我们须对我们接收的的warmly与下文中的cold形成强烈的对比,突出了两种治疗方式的差别。26.B。27.A。根据文中的on social media38.published。考查动词-ed形式。设空处作多的了解”符合此处的语境。有更20.CF项根据该空后的All doctors and healers和下文中的The wonderful comments可are human beings who can make mistakes知,作者在社交媒体分享自己的画作,受后置定语,修饰new research,且publishtreatments与下文中的health care到了人们的喜爱。与new research之间为逻辑上的动宾关应,F项中的information中的28.D根据文中的wonderful comments和39.系,应用动词-ed形式,故填published。与下文informed为原词复现关,且F中下文作者的成功可知,网友们的积极评traditional。.考查形容词。设空处作定We all have to与下文中两次出现1happens,we have to think about allof the论鼓励作者坚持了下去。语,修饰cure,应用形容词,表示“传统Ve have to-构成并列关系。diferent options可知,作者建议读者不管的”,故填traditional。17.G。根据该空前的we should'生什么都应该:t reject it考虑各种不同的729.C。30.B。根据文中的I then illustrated择,C项“我们须意识到each day using my coffee angels ..what a40.the。考查冠词。“one of the+形容词最高oaly和该空后的Most people who任何治疗get都有风险”符合此处的语境,且C项中的particularly special day means级+名词复数”为固定用法,表示“最…good medical careand howare healthierone might.可知,作者用咖啡来画天使的之一”,故填the。and livegr可知,作者认为尽管西医有风isks与下文中的make mistakes,miss每个全国性的节日就画一幅,用绘画的41.to block。考查动词不定式。have the但,大多things和waste valuable time相呼应。接语言运角手段去阐释每一天都很特别,每一天都ability to do sth.为固定搭配,表示健长寿,G项患一节值得庆祝,应该认真度过。“有…的能力”,故填to block。者受到的伤害通常来自子宇他们没有及时得到治疗”符合此处的语境主题语境:人与自我-42.Additionally生活3l.C。根据上文中的I wanted to give。考查副词。设空处作状18.D。根据本段主题本文是记叙文。新冠疫情暴发后,作者people a giggle every day可知,作者的画语,应用副词,表示“此外,另外”,故填句whyhas因为无法买到自己需要的绘画颜料作是在向人们传递快乐。Additionally.“alternative”health carebecome咖啡绘画,竟然取得了成功。作者希32.A。根据文中的This was a ton of work.43.that/which。考查关系代词。设空处引popular in North America and Europe?可知,本段主要论述了替代疗法在北美洲的故事可以激励更多人跳出固有的望己but.made it all.可知,尽管工作量很导限制性定语从句,指代a substance,且和欧洲盛行的原因,再根据该空后式,勇敢做出尝维模大,但是作者觉得能给大家传递快乐,再21.B。22.C。根据下文中的But和eama累也值得。在从句中作主语,故填that或which。.Surgeons perform dangerous surgery,but33.D。34.B。根据上文中的hive可知,作44.be included。考查被动语态。,根据语境naturalhealers do not seem to giveliving可知,疫情初期,作者创作了很绘画作品并用传统的方法去销售取得者的订单蜂拥而至,她的艺术事业取得可知,The ancient Chinese cure与includedangerous treatments可知,之间为被动关系,应用被动语态,且设空外科医生危险的手术,但是自然疗愈师不会不小的成功。了成功。采取传统的做法不奏但是随着疫情的发展,35.C。根据文中的I hope my story will45.处前有could,故填be included,看似危险的治疗方法,D项“替代疗法对inspire others to experiment and thinkpatients。考查名词复数。patient为可数人们来说很有吸引力,因为这种疗法似23.A。24,A。根据该段中的everything was名词,意为“患者”,此处表示泛指且其前on lockdown,I needed to find a...earn aoutside the.可知,她希望自己的故事可以激励更多人跳出固有的思维模式。无冠词修饰,应用复数形式,故填patients参考答案一五下出甘出与22.A。根据下文中的Stan was soby wha
绝密★启用前2022学年第二学期温州十校联合体期末联考高二年级英语学科试题注意事项:1.答卷前,考生务必将自己的姓名、准考证号填写在答题卡上。2.回答选择题时,选出每小题答案后,用铅笔把答题卡上对应题目的答案标号涂黑。如需改动,用橡皮擦干净后,再选涂其他答案标号。回答非选择题时,将答案写在答题卡上,写在本试卷上无效。3.考试结束后,将本试卷和答题卡一并交回。第一部分听力(共两节,满分30分)做题时,先将答案标在试卷上。录音内容结束后,你将有两分钟的时间将试卷上的答案转涂到答题卡上。第一节(共5小题;每小题1.5分,满分7.5分)听下面5段对话。每段对话后有一个小题,从题中所给的A、B、C三个选项中选出最佳选项,并标在试卷的相应位置。听完每段对话后,你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。例:How much is the shirt'?A.£19.15.B.£9.18.C.£9.15.答案是C。1.What day is it today?A.SaturdayB.Sunday.C.Monday.2.What is Michael?A.A teacher.B.A lawyer.C.An accountant.3.What does the man mean?A.Ask Sally for the address.B.Send the mail to Sally.C.Call Linda directly.4.What are the speakers probably talking about?A.A photograph.B.A textbook.C.ATV set.5.Where will the speakers meet?A.At the station.B.At the cinemaC.At the church第二节(共15小题;每小题1.5分,满分22.5分)听下面5段对话或独白。每段对话或独白后有几个小题,从题中所给的A、B、C三个选项中选出最佳选项,并标在试卷的相应位置。听每段对话或独白前,你将有时间阅读各个小题,每小题5秒钟;听完后,各小题将给出5秒钟的作答时间。每段对话或独白读两遍。听第6段材料,回答第6、7题。6.When will the woman have a class?A.At3:00B.At3:15C.At5:00,7.What will the woman do first after lunch?A.Go to workB.Play soccerC.Study in the library.听第7段材料,回答第8至9题。8.What's the probable relationship between the speakers?
考点04必修一UNIT3 SPORTS AND FITNESS·考点导航班级:姓名:l.重要词汇:honour;injury;strength;failure;compete;pretend:;cheat;positive,.stress;diet等2.重要短语:make it;set an example;fall apart;lose heart;make sense;pretend to do sth.;evenif/though;make a difference;rather than;cut...out;now and then;compare...with/to...3.重点句型:动词-ing形式作主语、作状语;现在完成进行时;even if引导的让步状语从句等4.单元语法:反意疑问句必备知识·考点巧练》4.只有当人们吃饱穿足了,再谈继续教育才有意义。I.单句语法填空Only when people have enough to eat and to wear1.The doctor said that Jack's headto talk about further education.(injure)would have a terrible effect on his brain.5.节约用水的重要性再怎么强调也不为过。2.His(strong)had almost given outThe importance of saving waterwhen the police found him in the desert.作3.His lack of professional knowledge accounts forⅢ.句型转换the(fail)of the experiment.l.It is said that Ken is a musician.(同义句转换)4.I had intended to go ondiet,but the dishes→Kena musician.这at the party were simply impossible to resist.2.When it is compared with the size of the whole5.Mary is looking for a sports watch to keep trackearth,the biggest ocean does not seem big at线her fitness and chart her trainingall.(分词作状语)剪progress.the6.It is in the very gym that was built last year thatbiggest ocean does not seem big at all.I workregularly after work.3.She stood rooted to the ground,wondering whether7.Their friendship of years finally fellshe should stay or leave.(疑问词+不定式)because they don't believe in each other.->She stood rooted to the ground,wondering8.Museums must competepeople'sspare time and money with other amusements.4.I feel more than honoured to be selected as one9.Little Tom pretended(study)hard theof the representatives..(it作形式主语)moment the head teacher came into be selected as one of the10.Experts predict that eventhe medicalrepresentatives.technology is developed,the virus will not5.I haven't been to Paris before,and Jane hasn'tdisappear completely.been there,either..(同义句转换)11.Despite the terrible weather,those brave climbers>I haven't been to Paris before,andmadeto the top of the mountain.12.The teacher,rather than the students,(refer)to Reading Skills published in America关键能力·秦养整合》一now.Ⅱ.根据汉语提示完成句子V.阅读理解1.在权衡了它的优点和缺点之后,约翰决定接受这You've probably heard that you need to move个职位。more throughout the day,and as a general rule ofJohnthumb,"more"is often defined as around 10,000decided to take the position.steps.Many people use the 10,000-step rule as2.只要我们不丧失信心,我们最终会克服暂时的困难。their marker for healthy living.As more peoplewe willtrack their steps by fitness-tracking wearable oreventually overcome the temporary difficulty.their iPhones,more of them do that.3.他为大家树立了一个全心全意为人民服务,不计But while sitting less is a great idea,the step较个人得失的榜样。rule isn't as black and white as one number.HebyDr.Greg Hager,professor at Johns Hopkins,regardlessof his personal gain and loss.decided to take a closer look at whether the steprule is accurate,and he found asking everyone to点blank adj.差然的Suddenly my mind went blank..我脑子里突然一片空白。英语
employees'perspective可知,本段主要介绍了《科学》杂志的一项在线调查。A3版同步课堂(一)Part 1I.1.bullying2.conceivable3.penalty4.disputes5.sophisticated6.abolished7.amending8.striving9.browsing 10.hackedⅡ.1.for2.in3.into4.with/to5.on/upon6.in7.in8.forIⅢ.l.dates back to2.has much in common with3.a wide variety of4.in the hope of5.keep abreast of6.felt the impulse to7.What if8.in good standingIV.1.It is not surprising that so many foreigners are studying Chinese,because it hasbeen widely used in the world.2.I always thought my sister would be the first to get married.3.It is necessary for everyone to learn some basic first aid skills.4.I not just brought happiness to the old,but I also found confidence whenaccompanying them.5.If you have a job you like,work means much more than just making moneyPart 2I.1.in due course2.a big hit/a great success3.be involved in4.raise public awareness of5.keep our fingers crossedⅡ.1.A:FormalB:Informal2.A:InformalB:Formal3.A:InformalB:Formal4.A:FormalB:Informal5.A:InformalB:Formal6.A:InformalB:Formal7.A:FormalB:Informal8.A:InformalB:FormalA4版NoticeIn order to inspire our students'creativity,our art club plans to hold a handicraftcompetitionTo participate,you are supposed to prepare your craft work.Don't forget torecord a video or take photos with your face clearly visible while making your DIYcraft.And then upload the videos or pictures to our website,or submit your originalcraft work to the art club.The deadline for entries is September 26.The results will beannounced on September 30 on our club's website.Don't hesitate to join us!Show your talent!The School Art ClubSeptember 10th 2023
辽宁省重点高中沈阳市郊联体2023-2024学年高三上学期10月月考化学试题考试时间:75分钟试卷总分:100分相对原子质量:H:1,D:2N:140:16S:32C1:35.5Cu:64第卷选择题一、选择题(本题共15小题,每小题3分,共45分。每小题有1个选项符合题意)1.《厉害了,我的国》展示了中国探索太空,建设世界第一流的高铁、桥梁、码头5G技术联通世界等取得的举世瞩目的成就。它们都与化学有着密切的联系。下列说法正确的是A.“天宫二号”空间实验室的硅电池板将光能直接转换为电能B.“神舟十一号”宇宙飞船返回舱外表面使用的高温结构陶瓷的主要成分是硅酸盐C.“火树银花合,星桥铁锁开”中涉及的焰色反应是化学变化D.碳纳米材料是一类有机高分子材料,主要包括富勒烯、碳纳米管和石墨烯等【答案】A【解析】【详解】A.硅电池板将光能直接转换为电能,故A正确:B.高温结构陶瓷的主要成分是氮化硅等,为新型无机非金属材料,不属于硅酸盐,故B错误:C.焰色反应是物理变化,故C错误:D.碳纳米材料碳纳米材料是一类新型无机非金属材料,主要包括富勒烯、碳纳米管、石墨烯等,故D错误:选A。2.化学学科核心素养中提出了宏观辨识与微观探析,要求能从不同层次认识物质的多样性,能从微粒水认识物质的组成、结构等。下列叙述的化学用语或图示表达正确的是A.Fe2+的结构示意图:B镁原子最外层电子云图:C.HCIO的结构式:H-C-O3dD.Cu原子价电子排布图:t44t4t01第1页/共21页
Every late autumn,dawn redwood trees in the Gutan Reservoir,East China's Zhejiang province dress ingold clothes.The dawn redwood forest also draws many tourists to wander in the forest.It is famous amongphotography enthusiasts for its red pond cypress,so that in the autumn it is also a film shooting location.Xiaohe Seedling Nursery of Dawn Redwood,Hubei provinceBest viewing period:Late autumnGeneral admission:FreeAs the hometown of the dawn redwood,Xiaohe in Lichuan city,Central China's Hubei province is aseedling nursery that is home to more than 5,000 dawn redwood trees listed for protection.The sceneresembles a fairy-tale world and draws many photographers who would like to capture the magic.Sihong Hongze Lake Wetland Scenic Area,Jiangsu provinceBest viewing period:Late autumn and early winterGeneral admission:60 yuan($9.19)/personIn the Sihong Hongze Lake Wetland Scenic Area,East China's Jiangsu province,the dawn redwoodforest is dressed in gorgeous colors in early winter.From an aerial view,it looks like a spectacular redocean.Covering 20 hectares,the dawn redwood forest is a heaven for wild animals and draws many nestingmigratory birds.Songhua Dam Reservoir,Yunnan provinceBest viewing period:Early winterGeneral admission:FreeThe early winter is the best season to view the dawn redwood forests in the upstream of the SonghuaDam Reservoir in Dianwei village,Kunming city.Nowadays,the protection zone is a habitat of migratorybirds,with beautiful villages,clear water,and a good ecology.The dawn redwood forest has become aspecial calling card for local tourism.21.What can not the dawn redwood tree be used for?A.PrintingB.Paper makingC.ConstructionD.Floor decoration22.On which of the following seasons can you view the most beautiful scenery of the dawn redwoodforests?A.Early springB.Early summerC.Late fallD.Late winter23.What's the similarity between Sihong Hongze Lake Wetland Scenic Area and Songhua Dam Reservoir?A.Free to view.B.Have the same best viewing period.C.Look like red oceansD.Attract migratory birds.BWhen White met the pit bull puppy in 2018,Darby was young,playful,strong as an ox.Then,in thesummer of 2019,came Darby's date with destiny.White was fishing in Northern California's Bodega Bay.He left Darby,then a year old and 100 pounds,in the parked car with windows down,while he cast his line a few yards away.The fish weren't biting,White recalls,until,suddenly,they were.At first,White thought he had hooked a stingray.But as he reeled (it in,he realized it was asevengill shark,about 6 feet long.Not uncommon,but still dangerous.He brought it close and carefullyunhooked it,expecting it to swim away.It didn't.The shark bit his ankle."All of a sudden there was blood everywhere,"says White.He yelled for help,hoping the fishermen downthe beach could hear.But they didn't seem to know what was going on.Fortunately,Darby did.He jumped outof the car and ran toward the water.He ran right up to the shark and sank his teeth into its gills ()浙江省A9协作体暑假返校联考高三英语试题卷第3页共8页
之来国体混合物可能含有A.NH,).SO.MEC.AC、C,NaG中的-一种或儿种,现对D该混合物做如图实验,所得现象和有关数据如图(气体体积均已换算成标准状况下的体积)。下列说法错误的是n.lalnh.hp32→2.4L气体碱石灰,体积不变浓硫酸,13.4L气体59.0g固体过量NaOH浓溶液白色沉淀1.6g久置,无明显变化过意无色溶液适量稀盐酸,白色沉淀过量稀盐酸沉淀溶解②最多31.2g③A.“步骤①”中发生了反应2A1+2Na0H+2H,0一2NaA1O,十3H,◆B.“步骤②”和“步骤③”中反应消耗的H+的物质的量之比大于1:3C.混合物中一定含有Al、(NH),SO4、MgC2、NaC1,不含有AlClD.混合物中一定不含有FeC2,可能含有NaCl和A1Cl,瑞3.工业上利用CO(g)和H(g)在催化剂的作用下合成CH,OH(g),发生如下反应:CO(g)2H,(g)一CHOH(g)△H。现于一定条件下向2L的密闭容器中充人一定量的CO(g)噬和H2(g)发生反应,测得在不同压强下衡体系中C0(g)的转化率随温度的变化情况如图所示。下列说法正确的是烯880%50%烟0。T温度X△H<0,p>p哦B.在了1、力1条件下,d→a的过程中,正、逆反应速率之间的关系:uE<她C.a、b、c三点对应的衡常数KKbK。的大小关系是K>K>K。閭D.b→c的过程,正反应速率变小,逆反应速率变大4常温下,用HCI(g)调节SrF,浊液的pH,测得在通人HCI(g)的过程中,体系中一1gc(X)(XV代表S*或r)与一以:品]的关系如图所示。下列说法正确的是广gcm:(2.2,1.0)c(HF)n:(4.0,1.0)+2C1m n-lgc(X)已知:SF,为微溶于水,溶于盐酸,不溶于氢氟酸、乙醇和丙酮的固体。A.Kp(SrF2)=10-1o,2【高三化学第4页(共8页)】
二、非选择题(本大题包括5小题,共28分)13.(6分)阅读下列科技短文,回答问题。2023年10月26日17时46分,种身十七号栽人飞船与空间站组合体完成自主快速交会对接,中国空间站天和核心舱迎来新的三名航天员,航天员在轨的每一天都离不开环控生保系统。首先,环控生保系统的再生生保系统利用循环水电解制氧气,保证航天员氧气需求,电解水产生的氢气与宇航员呼出的二氧化碳在特种反应器中进行催化反应,从而降低舱内二氧化碳的浓度。其次,环控生保系统的水处理系统主要是将水燕气、汗液、尿液和生活废水等进行处理,经过该系统处理的水达到饮用水标准,且水的回收率达80%以上,回收的水用于航天员生活用水和电解制氧。(1)空气中氧气的体积分数约为(2)保持水的化学性质的最小微粒是(填微粒符号)。(3)再生生保系统利用循环水电解制氧气的化学方程式为电解水前向水中加入少量氢氧化钠的目的是(4)环控生保系统的水处理系统的优点是(写出一点即可)14.(6分)氧气的实验室制取和性质检验是重要的化学实验,根据如图所示装置回答问题。(1)若实验室用装置A制取氧气,反应的化学方程式为,试管口放一团棉花的作用是(2)若实验室用装置B制取氧气,装置B中应加入过氧化氢溶液的量至少要,防止生成的气体从长颈漏斗中逸出。(3)实验装置C中仪器a的名称是,该实验可观察到:硫燃烧发出火焰,同时生成一种有刺激性气味的气体。15.(5分)合成氨对社会发展贡献巨大。合成氨的工艺流程如图:N2、H空气氮气净化催化剂N2、HNH,(含N2、H)NH,(液态高温、高压水蒸气压缩焦炭氢气(填“物理”或“化学”)变化。(1)分离液态空气可得到氮气,此过程是(2)写出N和H2反应生成NH的化学方程式:(3)该工艺流程中可循环使用的物质是和2023-2024学年度第一学期九年级学科素养练(二)·化学第3页共4页

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