开学考答案-2025衡水名师卷答案网

［衡水大联考］2024届广东省新高三年级8月开学大联考生物试卷及答案数学

22.(1)f(x)=x2-x-3,令f(x)=x..2分则x-2x。-3=0得x=3或x=-1,所以函数f(x)的不动点为3和-1：.4分(2)令ax2+(b+1)x+b-1=x,则ax2+bx+b-1=0.①.5分则方程①有两个不等实根x1,x2,且△=b2-4a(b-1)>0,满足∫(x)=x1,f(x2)=x2可设A(x1,x),B(x2,x2)(x1≠x2).7分因为AB的中点在函数g(x)上，所以+龙=-+五+Aa.9分225a2-4a+1bAa∴.X1+X2=一一=a5a2-4a+1-4.b=-4a35a2-4a+1-2+1.11分a所以当a=亏时，bmn=-4，此时满足△>0，成立.12分2

衡水名师151靶向提升 2023-08-05 15:56:42

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［衡水大联考］2024届广东省新高三年级8月开学大联考数学试卷及答案生物

19.(本小题满分12分)疫情期间为了缓解市民吃肉难的生活问题，某养殖公司欲将一批鲜肉用冷藏汽车从甲地运往相距120千米的乙地，运费为每小时60元，装卸费为1000元，鲜肉在运输途中的损耗费（单位元）是汽车速度(kh)值的2倍.（说明：运输的总费用=运费+装卸费+损耗费)(1)写出运输总费用y元与汽车速度xkh的函数关系，并求汽车的速度为每小时50千米时，运输的总费用：(2)为使运输的总费用不超过1260元，求汽车行驶速度的范围：(3)若要使运输的总费用最小，汽车应以每小时多少千米的速度行驶？兰州一中高一年级期中考试试卷第5页

衡水名师151靶向提升 2023-08-05 17:01:41

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［衡水大联考］2024届广东省新高三年级8月开学大联考英语试卷及答案q地理

sheAs Itop 10 archaeological finds of the 20th century.Covering 12 square km,the relics site,locatedin the city of Guanghan,about 60 km from Chengdu,is believed 70 (be)the remnants)of the Shu Kingdom in ancient Chin.,I第四部分写作共两节，满分35分her第一节短文改错（共10小题；每小题1分，满分10分to beme假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有510处语言错误，每句中最多有两处。每处错误仅涉及个单词的增加副除或修政。ind增加：在缺词处加个漏字符号（入），并在其下面写出该加的词：嗣除：把多余的词用斜线()划掉。IS.修政：在错的词下划一横线，并在该词下面写出修改后的词。注意：1.每处错误及其修改均仅限一词，to2.只允许修改10处，多者（从第11处起）不计分。Dear Professor Wang,Our school is planning to have a lecture on what to survive in an earthquake nexwlo岁eswhowhelp equpuswith knowledge about the sign ofcomnerthquake.ou70abilityto deal with emergencies,thusourveeffectiveyhenkbreku.Do you think one and a half houeu for sucheture?edSAVinaontminuteshors.interaction be added after the ecture?Please let me knowass thatI can make arrangements.PossibleI'm looking forward to see you again and enjoying the lecture.seeingYours faithfully,Li Hua第二节书面表达（满分25分）每天英语课前有3分钟的Daily Report话动，假设你的题目是“A Promise I Made"”。请你写一篇英语短文，内容包括：1.为何会有这个诺言；2.是否实现；3.你的感悟。注意：1.词数100左右；2.可以适当增加细节，以使行文连贯。A Promise I Made【2023年分科诊断测试卷（四）·英语第8页（共8页）】

衡水名师周测卷 2023-08-05 18:07:25

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［衡水大联考］2024届广东省新高三年级8月开学大联考生物试卷及答案英语

9.A.signB.advertisementC.warningD.picture上页5.What do we learn from the first paragraph?A.We eat for more physical movements.10.A.requestB.permissionC.praiseD.encouragement择题B.A busy brain can make one hungry.11.A.applesB.coffeeC.hamburgersD.chocolateD.effort题栏C.Energy from the brain can't be used up.12.A.soundB.messageC.response13.A.giftsB.lettersC.conflictsD.smilesD.An exam results in caloric consumption most6.What can a physical movement do?14.A.improveB.satisfyC.challengeD.entertainD.willinglyA.Increase blood flowB.Increase the amount of blood sugar.15.A.lightlyB.seriouslyC.graduallyC.Urge one to eat more.D.Make the brain tired.16.A.suddenlyB.exactlyC.initiallyD.eventually7.What does the underlined phrase "gorge on"in paragraph 5 mean?17.A.putB.tearC.kickD.cutC.checked inD.worked outA.Eat.B.PurchaseC.Taste.D.Obtain.18.A.taken alongB.put through19.A.storedB.purchasedC.preferredD.delivered8.What do the researchers want to know from the study?A.Whether brain uses sugar and lactate as fuel.20.A.disappointmentB.doubtC.surpriseD.panic21.A.choiceB.chanceC.shareD.addressB.Whether brain can be tired during exercise.22.A.orderB.expectC.reserveD.promiseC.Whether exercise can reduce eating desire.23.A.agreedB.admittedC.learnedD.guessedD.Whether exercise increases blood sugar.24.A.sweetB.cheapC.urgentD.latest二、完形填空（共20小题；每小题2分，满分40分）25.A.delayedB.celebratedC.cheeredD.contributed阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入26.A.leaveB.exchangeC.clearD.decorate空白处的最佳选项。27.A.fade awayB.shine inC.wrap upD.burn downDarlene Leeson was in hotel isolation(after returning to Australia from28.A.strangersB.neighborsC.travellersD.passengersa trip to Hawaii.She was calling a friend,joking about the idea of putting a(n)三、语法填空（共10小题；每小题2分，满分20分）】9 on her hotel window as it faced offices across the road.Getting the gentle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。10 of her friend,Leeson wrote on some notes:"Day 4 ISO need 11.March 31,also the 15th day of the second lunar month,marks Hua ZhaoRoom 623"and then stuck them up.Jie,or the traditional Flower Festival,a day 29 Chinese people celebrate theThe first 12 from those in the outside world was laughter.She got a fewbirthday of the flower goddess.13 and waves from office workers and workers on a nearby rooftop."It wasA big 30 (culture)event featuring hanfu,or traditional Chinese clothing,more done to 14 myself during the boring isolation,"she said."I wasn'twas held to celebrate the festival at West Lake Park in Fuzhou.The whole eventthinking anyone would take it 15 .31 (begin)with a ceremony to honor the flower goddess to pray for good luck.Then her hotel room phone rang."I 16 thought it was the hotel ringing toFollowing the ceremony were two games originating from this festival-butterflytell me to 17 them off.It was the wife of one of the rooftop workers who hadcatching and a flower lottery(抽签)drawing that brought the event to a climax(高潮).rung reception asking to get 18 to my room,"she said."They then askedZhen Wei,head of the Fujian Hanfu Society,said that his group has beenwhat chocolate I 19."devoted 32 holding various cultural activities 33 (show)the original flavorThe traveller said she was in 20 and didn't make her 21 of treat clear.of traditional festivals.In doing so,they want to showcase many fine 34"We chatted and she said I could 22 a delivery soon."Within an hour,the(quality)behind traditional culture.In addition,by organizing an activity as thechocolate arrived.Soon,a bar of chocolate arrived for her at reception.LeesonFlower Festival,they hope to help 35 public learn more about this ancientlater 23 a woman in a nearby office building made the 24 delivery.Morefestival that 36 (leave)out for a long time.So many teens and children 37chocolate had arrived,and a group of workers had all 25.(accompany)by their parents 38 (active)took part in this event and showed"Being in hotel isolation,I can't 26 my room where there are only a fewtheir talents.short minutes when the sun can 27,"Leeson said."Though,the kindness of29.30.31.32333435.36.37these 28 brightened my day beyond any amount of sunshine possible."英语·周测卷（九）第3页（共4页）英语·周测卷（九）第4页（共4页）

衡水名师单元卷 2023-08-05 21:16:58

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2024届广东省湛江市第一中学高三上学期开学考试z物理考试试卷

17.(16分)“电子能量分析器”主要由处于真空中的电子偏转器和探测板组成.偏转器是由两个相互绝缘、半径分别为R和R的同心金属半球面A和B构成，A、B为电势值不等的等势面，其过球心的截面如图所示，一束电荷量为、质量为m的电子以不同的动能从偏转器左端M的正中间小孔垂直入射，进入偏转电场区域，最后到达偏转器右端的探测板N,其中动能为Ek0的电子沿等势面C做匀速圆周运动到达N板的正中间。忽略电场的边缘效应.(1)判断球面A、B的电势高低，并说明理由；(2)求等势面C所在处电场强度E的大小：(3)若半球面A、B和等势面C的电势分别为pA、PB和pC,则到达N板左、右边缘处的电子，经过偏转电场前、后的动能改变量△Ek左和△Ek右分别为多少？(4)比较△Ek左和△Ek的大小，并说明理由，命题、校对：物理学科中心组高二物理试题第8页

衡水名师周测卷 2023-08-09 20:01:19

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浙江省名校协作体2023-2024学年高二上学期开学模拟考试英语试题及答案

选择性必修一UNIT3参考答案及部分解析参考答案1-5 BCBDC6-10 DCBAB11.and 12.found13.which14.has15.using 16.invention17.of 18.her19.quickly 20.planning21-25 CDDAB 26-30 BCBBD31-34 DADA 35-39 CGBFE40.At an important New York law firm.41.He supported the civil rights movement,donated money and helped many people of colour.42.A few years after graduating,Reginald Lewis founded a new law firm,which was the firstBlack-owned business to make over a billion dollars in a single year.According to the fourth paragraph,he made over a billion dollars in a single year by runninghis investment firm called TLC Group.43.In my opinion,success means I can achieve my goals and I have the ability to help others.Tolive a successful life,I should work hard to pursue my goals and help others as much as I can.One possible version:Dear Peter,I'd like to invite you to join us for a visit to Universal Studios Beijing next Saturday.UniversalStudios Beijing is a great theme park destination.Several all-new attractions along with the bestUniversal rides,shows and attractions from around the world are included.It's said that it hasbeen very popular since its opening.I'm sure it will be a great chance to enjoy ourselves.We'llleave for the destination at 8:30 am from our school gate.If you are interested,please let meknow.Looking forward to your reply.Yours,Li Hua部分解析知识运用第一节主题语境：人与自我一一做人与做事本文是记叙文。从小喜欢游乐园的oa长大后成为一名游乐园设计者。1.B。根据上文中的The attraction,at the city's beachfront Codona's Amusement Park,,is oneof her earliest memories可知，lona依然有央求父母带她去游乐园的记忆。2.C。根据下文中的What I have designed will come to life可知，现在的Iona成为一名游乐园的设计者，儿时的梦想成真了。3.B。根据上文中的The attraction,at the city's beachfront Codona's Amusement Park,is oneof her earliest memories lona and her family also went to Disneyland in California when shewas young可知，游乐园游玩的经历让lona意识到游乐园是自己的兴趣所在。4.D。根据下文中的and drawing,.and art was my favourite subject可知，lona喜欢做手工、画画，喜欢艺术。5.C。根据下文中的While in her third year,.for a placement opportunity可知，lona决定去

衡水名师周测卷 2023-08-10 01:25:49

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山东省菏泽市成武县南鲁学校2023-2024学年度九年级上学期开学考试物理/

全国10所名校最新高考得拟示危每人反，点P到两波源的距离差为9cm,距离差刚好是半波长的奇数倍，故P点为振动加强点，振幅为两波振幅之和7cm,C项正确；O点的波传播至P点所需的时间△t=12s,t=6s时不考虑O全国100所名位是新名考供纵示拾嘉人【解题分析】1)若△<△2，说明小球a经过光电门1的速度大于经过光电门2的速度，光滑点波源的影响，P点与M点相距3cm,M点的波传播至P点所需的时间t'==3s,故1=6s轨道C端高了，故要将光滑轨道调成水，衢将C端调低。管理★启用时，P点只振动了3s,即号T,故t=6s时P点沿y轴正方向振动，D项错误。(②)设小球的直径为d,取向右为正方向，根据题意知小球a第一次经过光电门1的速度为品北省209.AC【命题意图】本题考查带电粒子在匀强磁场中的运动。【解题分析】设带电粒子在磁场中做圆周运动的半径为，其运动轨迹小球口第二次反向经过光电门1的速度为一忌小球b经过光电门2的速度为忌根据碰撞如图所不。根据几何知识有十5n30=a,得一号，A项正确：带过程满足动量守恒有m忌，m(一忌)十3m忌整理后得点是立政品十立是0a)x /P(3)u,b间的碰撤是弹性碰撞，设小球口的质量为m1,小球b的质量为m2,则有m)=m0'十卷共15题，电粒于在磁场中做圈周运动的周期T一霜指去磁畅的时刻哥-需B项结快：带电粒于在第安鞭家动的时同一哥大时，碰撞之前“的挡光时间与碰撞之后b的挡光时间的比值会逐渐趋近于某一定值，该定值03题前，考生为2。形码区域内一Q一©0器+密心项正确甜帝伦滋力不做功，故带电粒子通过0点时的速度大12.(1)内(1分)R2(1分)题必须小为，D项错误。(2)大于(2分)整，笔迹10.CD【命题意图】本题考查抛运动。(3)偏大(2分)非均匀(1分)照题号【命题意图】本题考查传感器及伏安法空阻。纸、试卷」【解题分析】甲、乙运动员在空中都做抛运动，只受重动作用，速度的变化率（加速度）相同，A【解题分析】(1)根据表格分析，酒蒂气体浓度为0,35mgL时，气敏电阻R,的阻值约为1000Q,可先使项错误。设倾斜滑道的倾角为9运动员落到滑道上瞬同速度与水方向的夹角为α，根据抛气敏电阻的阻值远大于电流表的内阻，故使用电流表内接法；由于电压表和电流表的数程较卡面清运动的指论可知tana-2tan0=之，故落到滑道的明间、甲（乙的速度方向相同，B项错误.设小，滑动变阻器需起分压作用，为了便于遍节，滑动变阻器应选用阻值较小的R,所以实验电路最为合理的是B。甲、乙运动员的质量分别为加、m,初速度分别为e,由题意可知o1>2

2023-10-31 23:53:04

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山东省菏泽市成武县南鲁学校2023-2024学年度九年级上学期开学考试物理/

三、计算题：本题共3小题，共40分。解答应写出必要的文字说明、方程式和重要的演算步骤，只写出最后答案的不能得分。有数值计算的题，答案中必须明确写出数值和单位。14.(9分)如图甲所示，“襄阳炮”其实是一种利用杠杆原理抛掷石弹的战具。将石块放在长臂一端的石篮中，在短臂端挂上重物。发射前将长臂端往下拉至地面，然后突然松开，石篮中的石块过最高点时就被抛出。现将其简化为图乙所示。将一质量m=80kg的可视为质点的石块装在长1=4m的长臂末端的石篮中，初始时，长臂与水面成30°角，松开后，长臂转至竖直位置时石块被水抛出，最后落在水地面上。石块落地点与○点的水距离s=100m。忽略长臂、短臂和石篮的质量，不计空气阻力和所有摩擦，重力加速度g取10m/s2。求：

2023-11-01 07:28:48

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山东省菏泽市成武县南鲁学校2023-2024学年度九年级上学期开学考试物理/

0,4几f90.2八9。如图所示的是用伏安法测电阻电路图的一部分，电流表可以看成能显示电流的定值电阻。已知电流表的电阻R,=2Q,电压表为理想电表。在某太测量中，电压表的示数为10V,电流表的示数为0.2A,则特测电阻R,的真实值为80。10.如图所示的是一个带有感应开关的楼梯照明电路，三孔插座不受感应开关控制，可独立供电。请根据照明电路的连接规范要求连接好电路10二、选择题（每小题2分，共14分；每小题给出的四个选项中，只有一个选项符合题意）11.小红家新近购买了一辆小汽车，细心的小红通过观察发现小汽车中包含了许多物理知识。下列是关于小汽车的一些说法，其中错误的是A.给小汽车加油时，小红闻到浓烈的汽油味，是因为分子在做永不停息的无规则运动当(B.打开小汽车天窗时，能够实现换气功能，是因为流体内部流速大的地方压强大安C.小汽车启动时，燃烧汽油获得内能，再转化为机械能D.小汽车刹车时，很难立即停止，是因为小汽车具有较大的惯性12.如图所示的是探究凸透镜成像规律时的现象，所用凸透镜的焦距为∫，下列说法中错误的是A.图中凸透镜成像的规律与照相机的成像原理相同之B.图中光屏到凸透镜的距离（像距o),满足2>u>fC.图中光路图说明光在不同介质间传播时，其方向一定改变D.从不同方向都能看清光屏上的像，是因为光在光屏上发生了漫反射透镜第13题图第14题图第12题图13.小明正在跑步，某一瞬间的照片如图所示。下列说法中正确的是A.在跑步的过程中，小明时刻受到地面的支持力、推力和摩擦力的作用B.图中，地面对小明的支持力和他所受的重力是一对衡力C.图中，地面对小明的摩擦力与小明对地面的摩擦力是一对相互作用力D.图中，地面对小明的摩擦力的方向是向后的14.2022年12月4日，神舟十四号载人飞船返回舱在东风着陆场成功着陆。如图所示的是返回舱打开降落伞减速下降的过程。在此过程中，下列说法中错误的是A.返回舱的动能在不断增大B.返回舱的重力势能不断减小D.返回舱受到非衡力的作用C.返回舱的机械能不断减小15.在新型冠状病毒感染疫情防控期间，很多学校安装了如图所示的人脸识别测温系统。闭合电源开关S,后，若红外测温数值在正常范围内，则开关S,会闭合；若人脸识别通过，则开关S,会闭合，只有当人脸识别通过且体温在正常范围内时，系统才会启动电动机打开闸门。下列电路设计中，符合要求的是第15题图B2023年“万友”中考模拟卷·物理（六）试题卷第2页，共4页

2023-11-01 09:38:07

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山东省菏泽市成武县南鲁学校2023-2024学年度九年级上学期开学考试物理/

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2023-11-01 22:38:43

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山东省菏泽市成武县南鲁学校2023-2024学年度九年级上学期开学考试物理/

mva2 MVBI mva3 MVB312112解得24VA3=-m/s,VB3=m/s33设第二次碰撞后经，时间再次碰撞，根据运动关系，有1VA3t2+5at吃=V'B3t2解得t2=0.8s第一次碰撞到第三次碰撞，摩擦力对物块B做的总功为W=-LMg cos e(vBit +vest,)=-4J第18页/共18页

2023-11-02 00:43:05

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