amazing！”one of the commenters wrote.And people also believe that in our time it is absolutely priceless when a teacher really putstheir soul into the educational process.People truly don't realize that this is the teaching.Passion(微情)，deep love and hard work characterize this profession.."Thank you to you and your mom!"-perhaps this was the best comment,and we shouldonly join in the gratitude.It is another wonderful New Year story,another expression of care andkindness24.What does the teacher try doing to her students?A.Helping them out.B.Brightening their lives.C.Rewarding their efforts.D.Encouraging them to study.25.Who came up with the idea of knitting hats for the kids?A.The teacher.B.The students.C.The teacher's motherD.One of the commenters.26.What's the attitude of most people towards the teacher's action?A.Doubtful.B.Supportive.C.Confused.D.Unclear.27.What does the author want to express through the story?A.The nature of education is love.B.Always prepare for a rainy day.C.Teach kids according to their interests.D.Doing one's best means one should never stop trying.CIf you were to lift up the keys of your keyboard,and take a look below,you'd probably bemet with a terrible scene."We clean our homes but most of us never think to clean ourkeyboards,Rebecca Park,an advanced practice nurse,says.“Our keyboards can actually hold high levels of bacteria(细菌)，”Park says.“The mostcommon bacteria that are found on our keyboards tend to live on our skin,mouth,and nose.These are then carried to our keyboards,usually by our hands.And according to one study,this is more likely when many people use the same keyboard,and each brings their own bacteria to the table.That said,touching bacteria-covered surfaces allday long,and then touching your face,can impact your skin."Dirty electronic devices are acommon cause of more acne(粉刺)breakouts,”Dr Yoram Harth explains..In another study,researchers collected samples()from 300 keyboards and found that allof them had bacteria..“The authors concluded that the presence of infective(感染性的)bacteriaon these objects indicates that they might be a cause for the spread of skin infections,"Harthsays."Similar overloads of bacteria were also found on smartphone touch screens and computermice and headphones..”It's not something you necessarily have to think too much about,but it never hurts to beaware of surfaces with bacteria,and take a few extra prevention steps."A good way to preventthe spread of infection from your keyboards is to wash your hands before and after using thecomputer,Park says."Soapy water is effective enough to kill most bacteria."Do this,and you won't carry as much bacteria to your keyboard,and then back to your face,and so is the opposite.It can also ensure you won't be clogging your keys with bits from food,especially if you get right back to typing after eating lunch.28.What do the two studies find?A.Most people never clean their keyboards.B.Most of the bacteria on the keyboards are harmless.C.Most acne breakouts are related to the keyboard use.D.Most electronic devices have bacteria on their surfaces.濮阳市英语试题第4页（共8页）Q夸克扫描王极速扫描，就是高效▣

amazing！”one of the commenters wrote.And people also believe that in our time it is absolutely priceless when a teacher really putstheir soul into the educational process.People truly don't realize that this is the teaching.Passion(微情)，deep love and hard work characterize this profession.."Thank you to you and your mom!"-perhaps this was the best comment,and we shouldonly join in the gratitude.It is another wonderful New Year story,another expression of care andkindness24.What does the teacher try doing to her students?A.Helping them out.B.Brightening their lives.C.Rewarding their efforts.D.Encouraging them to study.25.Who came up with the idea of knitting hats for the kids?A.The teacher.B.The students.C.The teacher's motherD.One of the commenters.26.What's the attitude of most people towards the teacher's action?A.Doubtful.B.Supportive.C.Confused.D.Unclear.27.What does the author want to express through the story?A.The nature of education is love.B.Always prepare for a rainy day.C.Teach kids according to their interests.D.Doing one's best means one should never stop trying.CIf you were to lift up the keys of your keyboard,and take a look below,you'd probably bemet with a terrible scene."We clean our homes but most of us never think to clean ourkeyboards,Rebecca Park,an advanced practice nurse,says.“Our keyboards can actually hold high levels of bacteria(细菌)，”Park says.“The mostcommon bacteria that are found on our keyboards tend to live on our skin,mouth,and nose.These are then carried to our keyboards,usually by our hands.And according to one study,this is more likely when many people use the same keyboard,and each brings their own bacteria to the table.That said,touching bacteria-covered surfaces allday long,and then touching your face,can impact your skin."Dirty electronic devices are acommon cause of more acne(粉刺)breakouts,”Dr Yoram Harth explains..In another study,researchers collected samples()from 300 keyboards and found that allof them had bacteria..“The authors concluded that the presence of infective(感染性的)bacteriaon these objects indicates that they might be a cause for the spread of skin infections,"Harthsays."Similar overloads of bacteria were also found on smartphone touch screens and computermice and headphones..”It's not something you necessarily have to think too much about,but it never hurts to beaware of surfaces with bacteria,and take a few extra prevention steps."A good way to preventthe spread of infection from your keyboards is to wash your hands before and after using thecomputer,Park says."Soapy water is effective enough to kill most bacteria."Do this,and you won't carry as much bacteria to your keyboard,and then back to your face,and so is the opposite.It can also ensure you won't be clogging your keys with bits from food,especially if you get right back to typing after eating lunch.28.What do the two studies find?A.Most people never clean their keyboards.B.Most of the bacteria on the keyboards are harmless.C.Most acne breakouts are related to the keyboard use.D.Most electronic devices have bacteria on their surfaces.濮阳市英语试题第4页（共8页）Q夸克扫描王极速扫描，就是高效▣

原来的√2倍·但降压壁压群输的电压山，化原来的小，故降LE变压摇的输出功率要小丁予原束的√2倍、D项错误。6C〖命愿意因月本随考膏安培力。深丽分折降D点和E点猴入电防，线师：E.D仪E三养并铁、设D的电随万R通边一DE的电流为一烟密、DE的碎效电四为2R、时甜通过XE、【5的电流马为专，而p泛空袋的效K度为少E的K度.可知XE和XB所受安格大为哈方向与DE所受安培力方向桐，肉此三棱银所受安培力的合力大小为2F.C项工确。7.门【命题底图】本题考查电磁感应。T解分新对导体棒从开始运动至到达线PQ的过程，应用动能定理、可得F号-5气-合m一0，代人数据解得动摩擦闪数=0，+4，Λ项错误：对导你棒经过磁场区竣的过程，应用动景定理.可得一BLd=mD一mw通过导体棒横截面的电荷量=1，解得g一都√是，B项储误：导体棒通过磁场过程，整个回路中产生的热量Q=之mw2一m,代入数据可得Q2=8mg些，C项错误：设根据电阻的串，并联关系，导体榨上产生的热童g=QX区+R一.2525定线PQ和公之间的距离为△7·可得R十￡·解得△xB√.，D项正确。8.BC【命题意图】本题考查万有引力。【解题分桥】对镇道1上的卫星受力分析订得架=m贰，对于地球表面的物体，有-Ro2mg,可得卫星在轨道I.上做匀速圆周运动的线速度大小为R√景，A项错误：卫星在轨道Ⅲ上2R.尽B项正确：做匀速园周运动，有=m禁R,可得卫星在轨道皿上运动的周期为代√母卫星由a点运动到b点，克服引力做功W克=E一E=GM_GM二mgR。mgRRR3RRB费.C项正确：卫用要想脱离绝球引力的束缚必须满足方m≥地RRsRR解得最小速度为几√假D项错误。9.【命题意囪本题考查静电场。《解题分析】在等墘异种点电荷的连线上，中点处的电场强度最小，A项错误：D,C、E四点郴处在正点电荷的同-等势面上，由于C点距负点电荷最远，所以C点电势最高，B项正确：设A、八：物理卷参考瓷案（一】第2页（共6页）(24·(新高老)C℃C物涇CQ划

定，距离目的车站某处关闭发动机，动车在到达目的车站时恰好停止。求：良好，重力加速度大小g=10m/s2。(D动车组速度为。时的加速度大小，(2)动车组全程运行的时间。[解析](1)动车行驶速度最大时有f=F-卫当动车组的速度为子。时，有两种情况：第一种为(1)求金属棒做匀加速直线运动的加速度大小，加速过程中，此时牵引力大小F,-卫《2)求金属棒做匀加速直线运动过程通过金风像的由F1-f=ma1电荷量q;可得a1=3P(3》若金届棒运动到c以处，测节拉力F使金属棒mUm圆孤导轨做匀速圆周运动至ab处，计算金属捧从第二种为进站减速过程中，此时发动机关闭，由牛d运动至ab的过程，拉力做的功W。(计算结臭保留到小数点后两位)顿第二定律有a,=上=P[解析](1)设金属棒做匀加速运动的加速度为。，m mum(2)解法1：设动车组在距离目的车站(

全围100所名校高考冲刺卷_。体，衡正向移动，氢离于浓度增大，温度不变，则K不变，故(C0的值减小，D项错误。c(Cr2(片)15.(1)搅拌（或其他合理答案）(1分)，加热时MO2可能会与盐酸反应（或加热会使HC1挥发，降低利用率)(2分)(2)①+6(1分)：不在(1分)②c(1分)(3)Fe(OH)、Co(OH)a(2分)：Mm++S2(g+4DH-一Mn(h++2S房+2H2(O2分)【命题意图】本题以回收钻镍渣中有价金属的工艺为情境，考查原因分析、滤渣成分、离子方程式的书写等，突出基础性、应用性考查要求，体现变化规念与衡思想科学态度与社会责任的学科核心素养。【解题分析】(3)过疏酸钠有较强的氧化性，在碱性环境中能将Fe2+氧化为e()H),将Co+氧化为Co(OH)s,将Mn2+氧化为MnO2,故滤渣1中主要含MnO2、Fe(OH)3,CoOH)3.16.(1)2CO2(g)+6H(g)CH,OCH,(g)+3H,O(g)△H=-387.7kJ·mol1(2分)，低温(1分)(2)①m1>m2。m3(2分)②C:HOH(2分)(3)①0.05kPa·min-1(2分)②5.17(2分)【命题意图】本题考查化学反应原理综合。【解题分析】(1)CO2(g)和H2(g)反应生成CH,OCH,(g)和H2O(g),根据盖斯定律可知，△H=△H1×2+△H2=[2X(-181.6)24.5小k·mol-1=-387.7kJ·mol1,故热化学方程式为2C02(g)+6H2(g)=CH3OCH3(g+3H2O(g)△H=-387.7kJ·mol-。(2)增大投料比相当于增大氢气的浓度，衡向正反应方向移动，二氧化碳的转化率增大，由图可知，温度相同tm,、m2、m3条件下二氧化碳的转化率依次减水，则投料比的大小顺序为m>m2>m?。该及应为放热反应，升高温度，衡向逆反应方向移动.C2HOH和水蒸气的物质的量分数减小，由方程式可知，相同温度时，水蒸气的物质的量分数大于C2HOH的物质的量分数，所以图中曲线d代表C2HOH。(3)①由表格数据可知，120min时，容器内气体压强为88kPa,①C02(g)十4H2(g)三CH(g)+2H2O(g)为气体体积减小的反应，②CO2(g)+H2(g)一CO(g)+H2O(g)为气体体积不变的反应，则容器内气体的压强减小只与反应①有关，所以前120min内CH,的均反应速率=100-88)kPa=0.05kPa·min'。2×120min②由表格数据可知，起始CO2和H2的分压分别为20kPa、80kPa,300min时反应达到衡，容器内气体压强为75kP,容器内气体的压强减小只与反应①有关，所以衡时CH的分压为100，二75kPa=12.5kPa,反应①消耗C0,和H,的分压分别为12.5kPa,50kPa衡时C02的体积分数为8%，则C)的分压为75kPa×8%=6kPa,反应②消耗C2和Hz的分压都为6kPa,衡时CO2和H2的分压分别为20kPa一12.5kPa一6kPa=1.5kPa、80kPa-50kPa⊙/化学卷参考答案（二）第3页（共6页）【4·(新高考·化学·HAIN】

(1)植物线虫与农作物之间的种间关系为,该种间关系与捕食的区别是(答出两点)。(2)不同的土壤深度线虫的种类及数量有所不同，这体现了群落的结构。调查土壤中食细菌线虫虫卵的密度时（填“能”或“不能”)采用样方法，原因是20(3)由图可知，条件不利于农作物生长，原因是25.（12分)为构建可同时在仓鼠卵巢细胞(CH0)和大肠杆菌中表达目的蛋白的双表达载体，研究人员用绿色荧光蛋白基因(EGFP)构建了如图甲所示的两种重组质粒。回答下列问题：质粒：plRES-EGFP CMVEGFP IRES NeoRPoly AEcoR I BamH I质粒：PIRES-CMV/T7-EGFP CMVT7+RBSEGFP IRES NeoRPolyA印(1)巨细胞病毒启动子(CMV)和T7+RBS启动子分别被广泛用于哺乳动物细胞、大肠杆菌表达系统中高效驱动基因的表达。CMV和T7+RBS是识别并结合的序列，用于(2)常用法将质粒pIRES-EGFP导入CHO细胞。新霉素可与线粒体中的核糖体30S亚基结合从而阻止翻译过程，干扰蛋白质合成使细胞死亡。质粒PIRES--EGFP中的NeoR表达的酶可使新霉素磷酸化不能与核糖体结合。筛选含pIRES--EGFP重组CHO细胞的方法是(3)将质粒pIRES-EGFP和质粒pIRES-CMV/T7-EGFP分别导人大肠杆菌，经电泳检测EGFP蛋白的表达情况，结果如图乙的1和2所示。将质粒PIRES-EGFP和质粒pIRES-CMV/T7-EGFP分别导人CHO细胞，检测EGFP蛋白的表达情况，结果如图乙的3和4所示。实验结果说明pIRES-CMV/T7-EGFP的目的基因表达(填“成功”或“不成功”)，但图乙中1不能检测到EGFP蛋白的原因是EGFP蛋白参照蛋白表达量之（4)转铁蛋白具有抗菌、促进细胞生长分化等功能。为了使真核细胞和原核细胞均能生产转铁蛋白，请结合图中质粒的结构和相应的限制酶，简要写出实验思路：生物B卷试题第8页（共8页）

高考金榜·单科模拟DN下列生物学（四）分值：100分建议用时：40分钟[解析]当细胞处于质壁分离的最大程度时，进出一、选择题：本题共15小题，每小题4分，共60分。每细胞的水分达到动态衡，细胞液的渗透压可能等小题只有一个选项符合题目要求。于外界溶液的渗透压，A分析正确：液泡中水解酶的工，科学家激活小鼠皮肤细胞中三种在神经前体细胞大量表达的转录因子（调控基因转录的蛋白质），将小化学本质是蛋白质，蛋白质的合成场所是核糖体，B鼠皮肤细胞直接转化为能发育成大脑神经细胞的前分析错误；蔗糖属于二糖，要水解成单糖才能被细胞体细胞，且该细胞能在实验室大量培养，该方法为受利用，C分析正确：在多细胞生物的发有过程中，自损神经细胞的再生提供了一条崭新途径。下列相关溶对于生物体的形态建成具有重要作用，通过自溶叙述正确的是作用，可除去不必要的细胞、组织，如手指或脚趾的A.由皮肤细胞转化为神经前体细胞是遗传物质改变形成，通过自溶作用，可以将手指或脚趾之间的结构的结果水解，D分析正确。B.皮肤细胞与神经细胞形态不同是由于组成的蛋白答案]B质完全不同3植物的生长、发育离不开氨元素，如图表示硝态氯的C.正常状态下皮肤细胞一般不会大量表达这三种转录因子转运过程，其中NRT1.1为转运蛋白，每次转运时都会发生相应的结构变化。下列叙述错误的是(D.神经前体细胞是一种不再具有分裂、分化能力的细胞细胞外细胞内NRT1.1[解析]由皮肤细胞转化为神经前体细胞是发生细N05NOH胞分化的结果，该过程中并未发生遗传物质的改变，高A错误；皮肤细胞与神经细胞的蛋白质组成不完全HH浓相同，有的蛋白质相同，如ATP合成酶和呼吸酶等，養ATP度)B错误；一般而言，正常的皮肤细胞属于高度分化的细胞，不再大量表达这三种在神经前体细胞大量表H泵ADP达的转录因子，C正确；结合题意“该细胞能在实验室大量培养，该方法为受损神经细胞的再生提供了A.H+泵既有催化作用，也有运输功能一条崭新途径”可知，神经前体细胞能够分裂，故能B,H+排出细胞时会发生H泵的磷酸化大量培养，能弥补受损细胞，说明其可以分化，DC.NO,由细胞外向细胞内运输的方式是协助扩散错误。D.温度的高低可能影响图中各物质运输的速率[答案]C[解析]由题图可知，H+泵能催化ATP水解，也能2.液泡的功能是多方面的。第一，使细胞维持一定的运输H+,A叙述正确；H+排出细胞时会发生ATP渗透压，保持膨胀状态；第二，储藏各种物质，例如甜的水解和H系的磷酸化，B叙述正确；NO?由细胞菜中的蔗糖就储藏在液泡中，而许多花的颜色是因为色素在花瓣细胞的液泡中浓缩而显现的；第三，液外向细胞内运输需要载体蛋白，且消耗了H+顺浓度泡中含有水解酶，它可以吞噬并消化细胞内被破坏梯度产生的势能，其跨膜运输方式是主动运输，C叙的成分；第四，液泡在植物细胞的自溶中起到一定的述错误；温度会影响H十泵的催化活性，进而影响作用，植物的部分衰老退化的细胞通过自溶被消化H的主动运输功能，间接影响NRT1.1对物质的转掉，这时液泡遭到破坏，其中的水解酶被释放出来，运，故温度的高低可能影响题图中各物质运输的速导致细胞成分的分解和细胞的死亡。下列分析错误率，D叙述正确。的是[答案]C中1WA.细胞处于质壁分离状态时，细胞液的渗透压可能等于外界溶液的渗透压4.R型活肺炎链球菌（受体菌）细胞膜表面有“感受态B液泡遭到破坏时，其合成的水解酶会被释放出来因子”，被加热杀死的S型肺炎链球菌（供体菌）自溶C,储藏在甜菜液泡中的蔗糖被水解成单糖后才能被细胞利用后释放出自身的DNA片段，这些DNA片段称为D,动物细胞中也存在自溶，自溶对于生物体的形态“转化因子”。“转化因子”与“感受态因子”位点相结建成具有重要作用合，会发生酶促分解，“转化因子”的双链拆开，其中条单链降解，另一条单链逐步进入细胞，与受体菌16中已解旋的DNA配对，并使受体菌DNA的相应单链片段被切除，从而将其替换，于是形成一个杂种

1、安徽鼎尖教育 2024届高三5月考试答案(政治)-

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