学生用人书名师导学·新高考第一轮总复·数学A-看-1-1D3.求轨迹方程的常用方法(1)直接法：题目中的条件有明显的等量B-若=1关系，或者可以利用面几何知识推出等量关C-黄-1S-1)系，列出含动点(x,y)的解析式.(2)定义法：分析题设几何条件，根据圆锥D2-茶-1曲线的定义，判断轨迹是何种类型的曲线，直接求出该曲线的方程。【知识要点】(3)代入法：如果轨迹动点P(x,y)依赖于1.曲线与方程的含义另一动点Q(a,b),而Q(a,b)又在某已知曲线一般地，在面直角坐标系中，如果某曲上，则可先列出关于x,y,a,b的方程组，利用线C(看作点的集合或适合某种条件的点的轨x,y表示出a,b,把a,b代人已知曲线方程便迹)上的点与一个二元方程f(x,y)=0的实数得动点P的轨迹方程，这种求轨迹的方法也叫解建立如下的对应关系：做转移法。曲线C上点的坐标都是(4)参数法：如果轨迹动点P(x,y)的坐标方程之间的关系不易找到，也没有相关点可用时，可曲线C以这个方程的解为坐标f(x,y)的点都是=0先考虑将x,y用一个或几个参数来表示，消去参数得轨迹方程.参数法中常选角、斜率等为那么，这个方程叫做,这条曲参数线叫做4.“轨迹”与“轨迹方程”的区别与联系2.直接法求动点的轨迹方程的基本步骤一般说来，若是求“轨迹方程”，求得方程就可以了；若是求“轨迹”，求得方程还不够，还建系建立适当的面直角坐标系应指出方程所表示的曲线的类型，“轨迹”与设点轨迹上的一点一般设为P(x)“轨迹方程”是两个有相关性的不同概念。(列式列出或找出动点P满足的等式(代换将得到的等式转化为关于的方程饺化方程x)=0为最简形式验证验证即为所求的轨迹方程258

A.Her husband's persuasion.B.One suggestion from her professor.C.The behavior of smelling food doesn't equal eating it.C.One sentence from her daughter.D.Her meeting with Noam Chomsky.D.The brain can't tell where sensory pleasure is from.29.When do kids follow their parents'instructions better?35.Which of the following could the best title for the text?A.When the parents use "motherese"A.Train Your Brain to Resist Junk FoodB.When the parents use adult-style English.B.Watch Out for Tricky Marketing ToolsC.When the parents copy their kids'languages.C.Food Addiction Is Never About WillpowerD.When the parents adopt remarkable strategies.D.Smelling Junk Food Longer Can Keep You Off It30.What does the underlined word "deploy"in the last paragraph probably mean?A.Use.B.Plan.C.Change.D.Abandon.第二节（共5小题；每小题2分，满分10分）31.How does a kid know the meaning of a verb according to Gleitman?根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项A.By looking it up in a dictionary.B.By being told by his or her parents.C.By learning it in his or her school.D.By guessing it from sentence structures为多余选项。Some people love a great thunderstorm;others are frightened by the first flash oflightning or sound of thunder.36 But there are easy steps you can take to protect yourIt's one of the ultimate tests of willpower:you've been wandering around the market forhours and you're tired and hungry.Then you catch a smell of something fragrant(andhome and your life from lightning.Protect Electronics from Severe Weatherdelicious,probably fried and almost certainly fattening.Junk food companies are well aware37 It can follow the wires or phone lines into your room -ruining computers,TVs andthat the smell of their product sets off a desire in your brain and that you'll pay for that laterother electronics.One protection against electronics being "fried"by lightning is simply toIt is a response that has been researched,and you'd better believe your favorite fast-foodunplug them whenever a rain or a storm is coming.Disconnect Internet and satellitechains have marketing teams that are using that research to their advantage.connections no matter where they are.Let's take a closer look at this process.Have you ever noticed that whatever indulgentReduce the Risk of Firefood(放纵型食品)catches your attention tends to be most appealing just after you first smellLightning rods (can protect a building from catching fire._38 They just provide ait?A couple of minutes later you are standing in line,and it isn't quite as appealing as it waspath for the electricity to reach the ground more safely.The rods at the top of the building arejust moments ago,but now you've invested time,so you trust your first feeling to treatonly the first part of a good system.When lightning strikes,the electricity needs to move toyourself.But a recent statement says that this is actually the right moment to walk away.Dipayanthe ground.Wires conduct electricity from the lightning rods to metal rods buried in theBiswas,a marketing professor,found there is a direct connection between how long a personground.39Understand Lightningis exposed to indulgent food smells and choosing healthier foods."The results of a series ofWhen lightning hits the ground,a tree,a tower or even a building,it may also spreadsexperiments show that extended exposure of more than two minutes to junk food smells leadsalong the ground,so being near something that's struck by lightning is almost as dangerousto fewer purchases of unhealthy foods compared with no smell or a non-junk-food-relatedas being hit directly by lightning.40The Empire State Building gets struck by lightningsmell,"reads the summary of his study.around 20 times every year.Its lightning rod protects the structure,as well as the peopleWhat appears to be going on here is that the brain doesn't necessarily distinguishinside.between a pleasurable smell and a pleasant taste."Extended exposure to an indulgent foodsmell brings pleasure in the mind,which in turn reduces the desire for actual consumption ofindulgent foods,he explains.So next time you feel you don't have the willpower to resistA.It can even strike the same spot more than once.cookies,smell all that sweetness for just a minute or two.To your brain it's the same asB.You might want to consider protecting an entire building.actually eating cookies,and the purchase desire would decrease.C.When this happens,anything in its path could be in dangerD.But the chance of lightning striking your house doesn't change.E.Each connection must be secure so lightning doesn't jump to the building.32.What can we learn about junk food smells from the first paragraph?A.They hardly affect people's food choices.F.Lightning hitting your roof or nearby power lines is terrible but not worst.G.Whether you love or hate them,thunderstorms produce dangerous lightningB.They can make a difference in marketing.C.They are unlikely to fool wise customers.第三部分语言知识运用（共两节，满分45分）D.They finally decrease people's purchase desire.第一节（共20小题；每小题1.5分，满分30分）33.What does the second paragraph basically serve as?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，选出可以填入空A.An example.B.An argument.C.A comparison.D.A comment.34.Which statement will Biswas probably agree with?白处的最佳选项。A.The influence of food smells changes over timeWhen I was in primary school,my school had an annual sports day.Usually,girls wereB.The senses of taste and smell are closely linked41 in sports like jump rope and boys did the high jump,which I was 42 to take part in.I

2023年高考桂柳信思中英语（二）本基夫8页。共150分考试时同120考试结束后，将本试卷和答题卡一并交回。注意事项：?第1卷每题选出答案后，用2B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1.答题前，考生务必将自己的准考证号、姓名填写在答题卡上。藤干。净，再选涂其他答案标号。第Ⅱ卷用黑色墨水签字笔在答题卡上书写作答，在试题卷上作答答案无效第卷(满分100分dohmoowod第一部分听力（共两节，满分30分第一#共5小题；每小题1.5分，满分7.5分)听下面5度对话。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并阅读下一小题。每设对话仅读一遍。宝1.Where does the conversation take place?A.In an elevator.B.On a bus.1其t(C.In a taxi.2.What will the man do in Edinburgh?A.Do business with Justin.B.Tell Justin his new address.C.Give Justin some medicines.3.Why does the man ask the woman to turn down the music?A.Because it affects his work.B.Because he wants to listen to jazzC.Because he doesn't like the music4.What month is it now?20201-75i09A.February.B.April.C.September.5.Whose advice did the woman follow?A.The shop assistant's.B.Her mother's.C.Her sister's.第二节（供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至7题。6.How long did the boy spend on his English homework?A.35 minutes.B.40 minutesC.45 minutes7.What is the relationship between the speakers?A.Classmates.B.Teacher and studentC.Mother and son.听第7段材料，回答第8至9题。8.What information did the man get from the Internet?A.Milk has some side effectsB.Soy milk helps kids grow strongC.It's good for babies to drink soy milk2023年高考桂柳信息冲刺金卷·英语（二）·第1页（共8页）

全国@o所名校高考模拟金典卷(十五)答案仅供教学使用，未经允许，严禁传播！非正规途径传播举报电话：0791一83829175。题序123456789101112131415答案DCBCADDBCABDAC题序161718192021222324252627282930答案BGE分bAADADACD题序31323334353637383940答案CCDBBADBC试题答案1.D细节题。根据第4段第1句可知，文中特别建议女性作者推荐合格的审稿人。2.C细节题。根据Editorial rules部分第l段可知，提交的期刊论文通常以单盲的方式（不隐藏作者姓名，但隐藏评委姓名)进行同行评审。由此可知，我们可以在已评审过的文章中找到作者的名字。3.B推断题。通读全文尤其是第3段第l句中的provide an Open Researcher and ContributorD(ORCID)可知，文章主要介绍了在某机构的期刊上发表论文的相关要求。由此可推知，本文最有可能是为研究者所写。4.B词义推测题。根据画线词上文可知，Hoy在那里待了六年，当他们告诉她必须收拾行李离开时，她简直不敢相信。由此可推知，被解雇对她来说是一个巨大的打击。因此，redundant与unemployed同义。5.C细节题。根据第3段最后两句可知，Holly的朋友请求她为他们的宠物作画，Holly意识到这会有市场。由此可知，一开始是朋友助推了她的事业的发展。6.A推断题。根据第4段倒数第2、3句可知，顾客喜欢她捕捉宠物性格细节的方式，她的狗狗肖像起价295英镑，最高可达595英镑。由此可知，她的画作得到了认可。7.D推断题。通读全文可知，Holy被解雇时，感觉就像世界末日，她不知道该去哪里，但她下定决心要找到一线希望，所以她拿起画笔开始画画。后来，她如愿成了一名全职画家。因此，作者通过Holy的故事告诉读者：看似糟糕的事情，实际上可能会带来好结果。D项“黑暗中总有一丝光明”符合题意。8.D细节题。根据第1段可知，电视节目《史前星球》中所展示的恐龙日常生活的场景是科学家们用计算机创建的情景。9.B推断题。作者在第2段提出两个问题：有什么证据可以证实电视节目或电影中恐龙的行为是真实的？科学家们如何才能窥视到已经死去数百万年的生物的思想呢？作者通过这两个问题，引出了本文的话题。l0.C推断题。根据第3段Mike Gunton所说的话可知，为了制作屏幕上所看到的图片，一个全参考答案（十三~十八）第7页（答案共18页）【23·JD·英语-GSWT】

第8章直线与园，圆锥曲线学生月书2.椭圆的标准方程和几何性质3.重要结论+1(1)在焦点△PFF2中：F标准方程(a>b>0)(a>b>0)1面积S=tan号；2当点P位于短轴端点时，∠FPF2=0最大，%(2)通径长为2图形B610B2B1范围y∈y∈对称轴：对称性对称中心：性质A1(0,-a),A1(-a,0),A2(a,0）A2(0,a)顶点B1(0,一b),B2(0,b)B1(-b,0),B2(b,0)离心率e-,且eea,b,c的关系c2=命题视角分析核心知识突破《一直考点1)修椭圆的定义及应用[小结]1.求解涉及椭圆上的点到焦点的距离有关问题时，常考虑利用定义求解.常见题型主要例1(1)已知两圆C:(x-4)2+y2=169,有：求椭圆的标准方程，求焦点三角形的周长、面C2:(x十4)2+y2=9,动圆M在圆C1内部积及弦长、最值和离心率等2.求解关于焦点三角形的周长和面积问题，通常且和圆C相内切，和圆C2相外切，则动圆定义和余弦定理结合使用.圆心M的轨迹方程为()A高希-1B.x1x2“吵训训练巩固64+48=1c希-黄=11已知R,片是椭圆普+芳=1的两个焦点，点P在椭圆上，(2)已知F是椭圆5x2+9y2=45的左焦点，P(1)若点P到焦点F1的距离等于1，则点P是此椭圆上的动点，A(1,1)是一定点，则到焦点F2的距离为|PA|+IPF|的最大值为,最小(2)过F作直线与椭圆交于A,B两点，则值为△ABF2的周长为243