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2024届广东省惠州市惠阳高级中学全国高三模拟考试(六)数学试题

2024届广东省惠州市惠阳高级中学全国高三模拟考试(六)数学试题

2024届广东省惠州市惠阳高级中学全国高三模拟考试(六)数学试题请考生注意:1.请用2B 铅笔将选择题答案涂填在答题纸相应位置上,请用0.5毫米及以上黑色字迹的钢笔或签字笔将主观题的答案写在答题纸相应的答题区内。

写在试题卷、草稿纸上均无效。

2.答题前,认真阅读答题纸上的《注意事项》,按规定答题。

一、选择题:本题共12小题,每小题5分,共60分。

在每小题给出的四个选项中,只有一项是符合题目要求的。

1. “角谷猜想”的内容是:对于任意一个大于1的整数n ,如果n 为偶数就除以2,如果n 是奇数,就将其乘3再加1,执行如图所示的程序框图,若输入10n =,则输出i 的( )A .6B .7C .8D .92.函数()1ln1xf x x-=+的大致图像为( ) A . B .C .D .3.已知双曲线2222:10,0()x y C a b a b-=>>的左、右顶点分别为12A A 、,点P 是双曲线C 上与12A A 、不重合的动点,若123PA PA k k =, 则双曲线的离心率为( ) A .2B .3C .4D .24.已知随机变量X 的分布列是X12 3P1213a则()2E X a +=( ) A .53B .73C .72D .2365.对于函数()f x ,若12,x x 满足()()()1212f x f x f x x +=+,则称12,x x 为函数()f x 的一对“线性对称点”.若实数a 与b 和+a b 与c 为函数()3xf x =的两对“线性对称点”,则c 的最大值为( )A .3log 4B .3log 41+C .43D .3log 41-6.如下的程序框图的算法思路源于我国古代数学名著《九章算术》中的“更相减损术”.执行该程序框图,若输入的a ,b 分别为176,320,则输出的a 为( )A .16B .18C .20D .157.若x ,y 满足约束条件40,20,20,x y x x y -+≥⎧⎪-≤⎨⎪+-≥⎩且z ax y =+的最大值为26a +,则a 的取值范围是( )A .[1,)-+∞B .(,1]-∞-C .(1,)-+∞D .(,1)-∞-8.已知12,F F 是椭圆和双曲线的公共焦点,P 是它们的-一个公共点,且1223F PF π∠=,设椭圆和双曲线的离心率分别为12,e e ,则12,e e 的关系为( ) A .2212314e e += B .221241433e e += C .2212134e e += D .221234e e +=9.《九章算术》是我国古代内容极为丰富的数学名著,书中有如下问题:“今有刍甍,下广三丈,袤四丈,上袤二丈,无广,高二丈,问:积几何?”其意思为:“今有底面为矩形的屋脊状的楔体,下底面宽3丈,长4丈,上棱长2丈,高2丈,问:它的体积是多少?”已知l 丈为10尺,该楔体的三视图如图所示,其中网格纸上小正方形边长为1,则该楔体的体积为( )A .10000立方尺B .11000立方尺C .12000立方尺D .13000立方尺10.若复数z 满足(1)12i z i +=+,则||z =( )A .22B .32C .102D .1211.一个正三角形的三个顶点都在双曲线221x ay +=的右支上,且其中一个顶点在双曲线的右顶点,则实数a 的取值范围是( ) A .()3,+∞B .)3,+∞C .(,3-∞-D .(),3-∞-12.已知向量(2,4)a =-,(,3)b k =,且a 与b 的夹角为135︒,则k =( ) A .9-B .1C .9-或1D .1-或9二、填空题:本题共4小题,每小题5分,共20分。

2023届辽宁省锦州市渤海大学附属高级中学高三第六次模拟考试英语试题(含解析)

2023届辽宁省锦州市渤海大学附属高级中学高三第六次模拟考试英语试题(含解析)

2023届辽宁省锦州市渤海大学附属高级中学高三第六次模拟考试英语试题学校:___________姓名:___________班级:___________考号:___________一、阅读理解Stuck at home with nothing to watch? Curious about China, but don’t know where to begin? Well, we’ve got you covered with this brand-new video series exploring Chinese culture. All you have to do is press play.● Dazu Rock CarvingsOne of China’s UNESCO World Heritage sites is hidden among the mountains on the outskirts of the southwestern city of Chongqing. Here, tens of thousands of sculptures collectively make up the Dazu Rock Carvings — considered one of the finest examples of China’s cave art, exhibiting the most sophisticated craftsmanship of Dazu Rock Carvings. The delicate Dazu Rock Carvings tell ancient, mystical stories.● Bamboo CarvingThe art of bamboo carving originated at the Qing imperial court. Today, the art lives on, appreciated for its historical value and elegance.Just 100 kilometers southwest of Beijing, in the Xiong’an New Area, a group of skilled artists are keeping this art alive. Carving bamboo requires focus, precision and elbow grease (重活). Watch the video and feast your eyes on the bamboo masterpieces.● Peach-stone CarvingIn the small town of Siyang in Jiangsu Province in eastern China, craftsmen create art on the tiny cores of the peaches.While most people think nothing of peach stones and just throw them away, they are a source of inspiration for these artists. The artist goes to great length to find the perfect core to fit his concept. Using tiny tools, they chip away at the cores to create intricate designs,Chinese people in the near future.4.Why does the author quote Leung Long-kong in Paragraph 2?A.To call on Chinese women to wear qipao in everyday life.B.To introduce the development of qipao in China.C.To emphasize the importance of qipao in China nowadays.D.To show that qipao is no longer as popular as it was.5.Which of the following best describes Mary Yu?A.Creative.B.Conservative.C.Cautious.D.Considerate 6.What does the underlined word “evolving” in Paragraph 7 refer to?A.passing B.withdrawing C.developing D.following 7.What can we infer from the passage about qipao?A.Qipao is an iconic sign in the fashion industry.B.Qipao is on its way back to the daily life of Chinese.C.Qipao enjoys a good reputation in the world.D.Qipao is seen as a symbol of wealth in modern China.What’s more important in determining life success-book smarts or street smarts? This question gets at the heart of an important debate contrasting the relative importance of cognitive(认知的)intelligence (CI) and emotional intelligence (EI).Cognitive intelligence is still recognized as an important element of success, particularly when it comes to academic achievements. People with high cognitive intelligence typically do well in school, often earn more money, and tend to be healthier in general.But today experts recognize that cognitive intelligence is not the only determining factor of life success. Instead, it is part of a complex range of influences-one that includes emotional intelligence. Many companies now provide emotional intelligence training and use emotional intelligence tests as part of the hiring process. Research has found that individuals with strong leadership potential also tend to be more emotionally intelligent, suggesting that high emotional intelligence is an important equality for business leaders and managers. According to a survey of hiring managers, almost 75% of the responders suggested that they valued an employee’s emotional intelligence more than his cognitive intelligence.Now that emotional intelligence is so important, can it be taught or strengthened? According to one meta-analysis that looked at the results of social and emotional learningprogrammes, the answer to that question is definitely yes. Strategies for teaching emotional intelligence include character education, modeling positive behaviours, encouraging people to think about how others are feeling, and finding ways to be more empathetic(感同身受的)towards others.All in all, life success is a result of many factors. Both cognitive intelligence and emotional intelligence play roles in overall success, as well as health, wellness, and happiness. Rather than focusing on which factors have a prior influence, the greatest benefit may lie in learning to improve skills in multiple areas. In addition to strengthening cognitive abilities, such as memory and mental focus, you can also acquire and improve social and emotional skills.8.What can we know about people with book smarts?A.They can debate with other people.B.They can deal with various situations.C.They can be outstanding in academic research.D.They can be good at gaining real life experience.9.Why does the author mention the data in Paragraph 3?A.To indicate the strictness of the hiring process.B.To prove the importance of emotional intelligence.C.To explain the result of emotional intelligence tests.D.To show the influence of cognitive intelligence on success.10.What can be learned concerning emotional intelligence?A.Evaluating how others feel.B.One’s extreme behavioursC.One’s academic performance.D.Controlling others’ emotions. 11.Which of the following is a suitable title for the text?A.Does book smarts matter?B.Is CI or El more important?C.What counts most in life?D.Mental health or physical health?New research suggests that a gene that governs the body’s biological (circadian) clock acts differently in males versus females and may protect females from heart disease. The study is the first to analyse circadian blood pressure rhythms(节奏)in female mice.The body’s circadian clock-the biological clock that organizes bodily activities over a 24-hour period—contributes to normal variations in blood pressure and heart function overthe course of the day. In most healthy humans, blood pressure dips(下降)at night. People who do not experience this temporary drop, called “non-dippers”, are more likely to develop heart disease. The circadian clock is made up of four main proteins (encoded by “clock genes”) that regulate close to half of all genes in the body, including those important for blood pressure regulation.Previous research has shown that male mice that are missing one of the four clock genes (PER1) become non-dippers and have a higher risk for heart and kidney disease. A research team studied the circadian response and blood pressure of female mice that lack PERI and compared them with a healthy female control group. On both low-and high-salt diets, both groups “kept an apparent circadian rhythm” of blood pressure, the researchers explained. Unlike the male mice in previous research, the females without PERI showed normal dips in blood pressure overnight.These results suggest that the lack of PER1 acts differently in males and females. The findings are consistent with research showing that women are less likely to be non-dippers than men of the same age. “This study represents an important step in understanding sex differences in the regulation of cardiovascular(心血管的)function by the circadian clock,” the researchers wrote.12.What does the new research find?A.Biological clock may protect males from heart disease.B.Biological blood pressure rhythms in female mice act normally.C.Biological clock organizes bodily activities over a 24-hour period.D.A gene controlling biological clock works differently between sexes.13.What role can circadian clock play according to the text?A.Helping males cure heart disease.B.Helping blood pressure vary normally.C.Contributing to abnormal variations in blood pressure.D.Making up four main proteins regulating almost half of all genes.14.The lack of PRRI ______A.has the same impact on males and femalesB.makes no difference to malesC.does harm to male’s healthD.is more likely to affect female’s health15.What would be a suitable title for the text? A.One clock gene is importantB.Women may benefit from body clock C.New study analyses blood pressure rhythms D.Blood pressure of healthy humans dips at night二、七选五E.Most universities are considered to perform better in at least one academic field.F.Therefore, research each university and its course guide in as much detail as possible.G.One of the biggest deciding factors in choosing a university is where you want to study.三、完形填空27.A.target B.turn C.block D.appointment 28.A.happens B.remains C.offers D.works 29.A.celebrating B.communicating C.arguing D.competing 30.A.encourage B.help C.defeat D.please 31.A.college B.destination C.business D.competition 32.A.next to B.behind C.around D.ahead of 33.A.beautiful B.grateful C.careful D.successful 34.A.advantage B.competitor C.position D.challenge 35.A.Live B.Drive C.Run D.Ride五、其他应用文46.你校将举办英语演讲比赛。

湖北省荆州市名校2024学年高三冲刺模拟(6)数学试题

湖北省荆州市名校2024学年高三冲刺模拟(6)数学试题

湖北省荆州市名校2024学年高三冲刺模拟(6)数学试题注意事项1.考试结束后,请将本试卷和答题卡一并交回.2.答题前,请务必将自己的姓名、准考证号用0.5毫米黑色墨水的签字笔填写在试卷及答题卡的规定位置. 3.请认真核对监考员在答题卡上所粘贴的条形码上的姓名、准考证号与本人是否相符.4.作答选择题,必须用2B 铅笔将答题卡上对应选项的方框涂满、涂黑;如需改动,请用橡皮擦干净后,再选涂其他答案.作答非选择题,必须用05毫米黑色墨水的签字笔在答题卡上的指定位置作答,在其他位置作答一律无效. 5.如需作图,须用2B 铅笔绘、写清楚,线条、符号等须加黑、加粗.一、选择题:本题共12小题,每小题5分,共60分。

在每小题给出的四个选项中,只有一项是符合题目要求的。

1.已知实数0a b <<,则下列说法正确的是( ) A .c c a b> B .22ac bc < C .lna lnb <D .11()()22ab<2.i 为虚数单位,则32i 1i-的虚部为( )A .i -B .iC .1-D .13.复数12iz i=+的共轭复数在复平面内所对应的点位于( ) A .第一象限B .第二象限C .第三象限D .第四象限4.如图,在ABC 中,,(,),2AD AB BD xAB yAC x y R AD ⊥=+∈=,且12AC AD ⋅=,则2x y +=( )A .1B .23-C .13-D .34-5.在311(21)x x ⎛⎫++ ⎪⎝⎭展开式中的常数项为( ) A .1B .2C .3D .76.在满足04i i x y <<≤,i i y xi i x y =的实数对(),i i x y (1,2,,,)i n =⋅⋅⋅⋅⋅⋅中,使得1213n n x x x x -++⋅⋅⋅+<成立的正整数n 的最大值为( ) A .5 B .6C .7D .97.已知复数为纯虚数(为虚数单位),则实数( )A .-1B .1C .0D .28.中国古典乐器一般按“八音”分类.这是我国最早按乐器的制造材料来对乐器进行分类的方法,最先见于《周礼·春官·大师》,分为“金、石、土、革、丝、木、匏(páo )、竹”八音,其中“金、石、木、革”为打击乐器,“土、匏、竹”为吹奏乐器,“丝”为弹拨乐器.现从“八音”中任取不同的“两音”,则含有打击乐器的概率为( ) A .314B .1114C .114D .279.已知0a b >>,则下列不等式正确的是( ) Ab a <Bb a >C .abe b e a -<- D .abe b e a ->-10.已知定义在[)0,+∞上的函数()f x 满足1()(2)2f x f x =+,且当[)0,2x ∈时,2()2f x x x =-+.设()f x 在[)22,2n n -上的最大值为n a (*n N ∈),且数列{}n a 的前n 项的和为n S .若对于任意正整数n 不等式()129n k S n +≥-恒成立,则实数k 的取值范围为( )A .[)0,+∞B .1,32⎡⎫+∞⎪⎢⎣⎭C .3,64⎡⎫+∞⎪⎢⎣⎭D .7,64⎡⎫+∞⎪⎢⎣⎭11.已知1F 、2F 是双曲线22221(0,0)x y a b a b-=>>的左右焦点,过点2F 与双曲线的一条渐近线平行的直线交双曲线另一条渐近线于点M ,若点M 在以线段12F F 为直径的圆外,则双曲线离心率的取值范围是( ) A .(2,)+∞B.2)C.D.12.已知集合{|24}A x x =-<<,集合2560{|}B x x x =-->,则A B =A .{|34}x x <<B .{|4x x <或6}x >C .{|21}x x -<<-D .{|14}x x -<<二、填空题:本题共4小题,每小题5分,共20分。

2021-2022年高三下学期第六次模拟考试数学(理)试题含答案

2021-2022年高三下学期第六次模拟考试数学(理)试题含答案

2021年高三下学期第六次模拟考试数学(理)试题含答案一、选择题(本大题包括12小题,每小题5分,共60分,) 1.集合,,则( )A 、B 、C 、D 、 2.若复数,其中是虚数单位,则复数的模为 A . B .C .D .23.某学生在一门功课的22次考试中,所得分数如下茎叶图所示,则此学生该门功课考试分数的极差与中位数之和 为A .117B .118C .118.5D .119.5 4.已知,函数在上单调递减.则的取值范围是() A. B. C. D. 5.数列的前n 项和为,若,则( ) A. B. C.D.6.若程序框图如图所示,则该程序运行后输出的值是 A .B .C .D .7.设函数()log (01)a f x x a =<<的定义域为,值域为,若的最小值为,则实数a 的值为 A .B .或C .D .或8.设x ∈R ,向量a =(2,x ),b =(3,-2),且a ⊥b ,则|a -b |=A .5B .C .2D .6 9.二项式展开式中的系数是( )A .-14B .14C .-28D .28 10.在△ABC 中,若,,则b=( ) A .3 B .4 C.5 D .611.设函数11,(,2)()1(2),[2,)2x x f x f x x ⎧--∈-∞⎪=⎨-∈+∞⎪⎩,则函数的零点的个数为开始否 n =3n +1n 为偶数k =k +1 结束n =5,k =0 是 输出k n 否是A .4B .5C .6D .712.已知双曲线上一点,过双曲线中心的直线交双曲线于两点,记直线的斜率分别为,当最小时,双曲线离心率为( ) A . B . C D二、填空题(本大题包括4小题,每小题5分,共20分). 13.—个几何体的三视图如图所示(单位:m )则该几何体的体积为___.14.若整数..满足0700y x x y x -≥⎧⎪+-≤⎨⎪≥⎩,则的最大值为 . 15.向平面区域}10,20|),{(≤≤≤≤y x y x .内随机投入一点,则该点落在曲线⎪⎩⎪⎨⎧≤<-≤≤=)21(2)10(23x x x x y 下方的概率等于_______.16.若一个棱锥的底面是正多边形,并且顶点在底面的射影是底面的中心,这样的棱锥叫做正棱锥.已知一个正六棱锥的各个顶点都在半径为3的球面上,则该正六棱锥的体积的最大值为_____.三、解答题(本大题包括6小题,共70分,解答应写出文字说明,证明过程或演算步骤). 17.(本小题满分12分)已知二次函数的图像经过坐标原点,其导函数为,数列的前项和为,点均在函数的图像上. (Ⅰ)求数列的通项公式;(Ⅱ)设是数列的前项和, 求使得对所有都成立的最小正整数18.(本小题满分12分) A 、B 两个投资项目的利润率分别为随机变量X 1和X 2.根据市场分析,X 1和X 2的分布列分别为X 1 5% 10% P0.80.2X 2 2% 8% 12% P0.20.50.3(Ⅰ)在两个项目上各投资100万元,Y 1和Y 2分别表示投资项目A 和B 所获得的利润,求方差DY 1,DY 2;(Ⅱ)将万元投资A 项目,万元投资B 项目,表示投资A 项目所得利润的方差与投资B 项目所得利润的方差的和.求的最小值,并指C 1B 1A 1出x 为何值时,取到最小值.(注:)19.(本小题满分12分) 如图,在三棱柱中,侧面底面,, ,,为中点. (Ⅰ)证明:平面;(Ⅱ)求直线与平面所成角的正弦值;(Ⅲ)在上是否存在一点,使得平面?若存在,确定点的位置;若不存在,说明理由 20.(本小题满分12分)已知两定点,和定直线l :,动点在直线上的射影为,且. (Ⅰ)求动点的轨迹的方程并画草图;(Ⅱ)是否存在过点的直线,使得直线与曲线相交于, 两点,且△的面积等于?如果存在,请求出直线的方程;如果不存在,请说明理由 21.(本小题满分12分)已知函数,且.(Ⅰ)若曲线在点处的切线垂直于轴,求实数的值;(Ⅱ)当时,求函数的最小值;(Ⅲ)在(Ⅰ)的条件下,若与的图像存在三个交点,求的取值范围请考生在第22、23、24题中任选一...题.作答,如果多做,按所做第1题计分。

海南省2022-2023学年高三下学期高考全真模拟卷(六)语文试题(含答案)

海南省2022-2023学年高三下学期高考全真模拟卷(六)语文试题(含答案)

2022—2023学年海南省高考全真模拟卷(六)语文1.本试卷满分150分,测试时间150分钟,共8页。

2.考查范围:高考全部内容。

一、现代文阅读(35分)(一)现代文阅读Ⅰ(本题共5小题,19分)阅读下面的文字,完成1~5题。

材料一:作家梁晓声说,我想把从前的故事讲给年轻人听,让他们知道从前的中国是什么样子。

原著者以文学语言叙说了中国父辈的故事。

然后,我们在李路导演的电视剧《人世间》中,看到中国从苦难走向变革的半个世纪,看到颠簸于历史浪涛的百姓生活,历经悲欢离合。

小说和电视剧《人世间》的成功都源于尊重生活。

《人世间》叙说的是双重生活:一是中国的社会生活。

中国当代社会生活波澜壮阔,少有小桥流水与田园平静;它总是深刻地影响着所有人的命运,少有人能超然度外、徜徉桃花源。

《人世间》的故事从1969年展开,许多青年人的命运悄然扭转。

接着,它依次表现了恢复高考、知青返城、国企改革、经商热潮、棚区改建等重要社会事件。

这些事件是中国社会走过的路标,构成当代社会史,也构成中国百姓命运史。

中国社会是波涛汹涌的大海,每个人是颠簸于其间的小船,或者是一个不带救生圈的泳者,同呼吸共命运。

二是个人的日常生活。

社会生活背景是辽阔的,但编导紧紧聚焦于普通百姓的生活命运,没有戏剧化的强情节推动,更多的是生活琐碎的细节。

一个东北的工人家庭,一群“光字片”的棚区人,一出烟火气扑鼻而来的百姓生活之剧,就此徐徐展开。

比如开篇的第一集,周家面临着上山下乡的抉择。

周秉义下乡离家,周蓉不辞而别,五口之家就此分处三省四地。

父亲拿着洗印好的全家福照片说:“这或许是我们全家最后一张全家福了,难了!”社会生活是风,个人生活是草。

风吹草动,即通过细致描写个人命运的“草动”,来折射时代生活的“风吹”,这是编导对中国百姓生活的理解,也是整部《人世间》的艺术逻辑。

电视剧《人世间》采用家庭叙事结构。

家庭是中国社会生活的微型标本,蕴藏着中国人的生活哲理和情感。

2018-2019年高中化学重庆高三高考模拟测试试题【6】含答案考点及解析

2018-2019年高中化学重庆高三高考模拟测试试题【6】含答案考点及解析

2018-2019年高中化学重庆高三高考模拟测试试题【6】含答案考点及解析班级:___________ 姓名:___________ 分数:___________1.答题前填写好自己的姓名、班级、考号等信息2.请将答案正确填写在答题卡上一、选择题1.下列实验误差分析错误的是A.用润湿的pH试纸测稀碱溶液的pH,测定值偏小B.用容量瓶配制溶液,定容时俯视刻度线,所配溶液浓度偏小C.滴定前滴定管内无气泡,终点读数时有气泡,所测体积偏小D.测定中和反应的反应热时,将碱缓慢倒入酸中,所测温度值偏小【答案】B【解析】试题分析:A项润湿pH试纸,等于稀释溶液,碱溶液稀释后碱性减小,测定值偏小,正确;B项用容量瓶配制溶液,定容时俯视刻度线,溶液的液面低于刻度线,则所配溶液浓度偏大,错误;C项滴定前滴定管内无气泡,终点读数时有气泡,所测体积偏小,正确;D项测定中和反应的反应热时,操作要快,若将碱缓慢倒入酸中,热量损失多,则所测温度值偏小,正确。

考点:考查化学实验误差分析。

2.我国科学家在世界上第一次为一种名为“钴酞菁”的分子(直径为1.3纳米)恢复了磁性,“钴酞菁”分子结构和性质与人体的血红素及植物体内的叶绿素非常相似。

下列关于“钴酞菁”分子的说法中正确的是( )A.在水中所形成的分散系属悬浊液B.分子直径比Na+小C.在水中形成的分散系能产生丁达尔效应D.“钴酞菁”分子不能透过滤纸【答案】C【解析】试题分析:根据该种物质的分子直径判断,该物质在水中形成的分散系属于胶体,能产生丁达尔效应,能透过滤纸,分子直径大于钠离子直径,所以答案选C。

考点:考查对分散系的判断及胶体的性质3.为证明稀硝酸与铜反应产物中气体为NO ,设计如图实验(实验过程中活塞2为打开状态),下列说法中不正确的是A .关闭活塞1,加入稀硝酸至液面a 处B .在装置左侧稍加热可以加快稀硝酸与铜的反应速率C .通过关闭或开启活塞1可以控制反应的进行D .反应开始后,胶塞下方有无色气体生成,还不能证明该气体为NO 【答案】A【解析】如果关闭活塞1,稀硝酸加到一定程度后,左侧液面将不再升高,即不可能加到液面a 处,A 错误。

理科综合-【名校面对面】河南省三甲名校2024届高三校内模拟试题(六)-高中物理

理科综合-【名校面对面】河南省三甲名校2024届高三校内模拟试题(六)-高中物理一、单选题 (共6题)第(1)题假设摩托艇受到的阻力的大小正比于它的速率。

如果摩托艇发动机的输出功率变为原来的2倍,则摩托艇的最大速率变为原来的( )A.4倍B.2倍C.倍D.倍第(2)题在如图所示的图像中,直线为某电源的路端电压与电流的关系图线,曲线为某一小灯泡的伏安特性曲线,曲线与直线的交点坐标为,该点的切线与横轴的交点坐标为,用该电源直接与小灯泡连接成闭合电路,由图像可知( )A.电源电动势为B.电源内阻为C.小灯泡接入电源时的电阻为D.小灯泡实际消耗的电功率为第(3)题如图所示,水平地面上放一质量为M的落地电风扇,一质量为m的小球固定在叶片的边缘,启动电风扇小球随叶片在竖直平面内做半径为r的圆周运动。

已知小球运动到最高点时速度大小为v,重力加速度大小为g,则小球在最高点时地面受到的压力大小为( )A.B.C.D.第(4)题如图所示为演示光电效应的实验装置,用光强相同、频率差距较大的单色光a、b分别照射光电管的K极,得到a的反向遏止电压比b的大,则两种单色光分别实验时,得到的电流的示数I和对应电压表的示数U关系图像,正确的是( )A.B.C.D.第(5)题一列简谐波在两时刻的波形如图中实践和虚线所示,由图可确定这列波的A.周期B.波速C.波长D.频率第(6)题如图所示,理想变压器输入端a、b间接入电压有效值恒定的交变电流,、为定值电阻,灯泡、的阻值恒定。

在滑动变阻器R的滑片从上端滑到下端的过程中,两个灯泡始终发光且工作电压在额定电压以内,则下列说法正确的是( )A.变亮,变亮B.变亮,变暗C.变暗,变暗D.变暗,变亮二、多选题 (共4题)第(1)题我国第三艘航母福建舰已正式下水,如图甲所示,福建舰配备了目前世界上最先进的电磁弹射系统。

图乙是一种简化的电磁弹射模型,直流电源的电动势为E,电容器的电容为C,两条相距L的固定光滑导轨,水平放置处于磁感应强度B的匀强磁场中。

2024届海南省高三高考全真模拟卷(六)地理试题及答案

2023-2024学年海南省高考全真模拟卷(六)地理1.本试卷满分100分,测试时间90分钟,共8页。

2.考查范围:高考全部内容。

一、选择题:本题共15小题,每小题3分,共45分。

在每小题给出的四个选项中,只有一项是符合题目要求的。

自然地理环境作为人类活动生存的场所,对服饰产生重要影响。

我国安徽某地以山地丘陵地形为主,服饰种类繁多,人们上山时常穿用多层粗布密针纳成的长及膝盖的袜子。

据此完成1~2题。

1.为适应当地环境,该地裤装应()A.上下均紧B.上下均宽C.下宽上紧D.上宽下紧2.厚实的袜子长及膝盖主要是为了()①防止蛇虫叮咬②防止荆棘刮伤③保持腿部干燥④保持腿部温度A.①②B.②③C.①③D.③④区域经济发展在随时间演化过程中,根据区域经济发展的集聚程度和平衡程度可分为四种模式。

图1为区域经济协调发展状况的四种模式图。

据此完成3~4题。

图13.区域经济协调发展状况的四种模式一般的演变顺序是()A.①②③④B.②③①④C.③④②①D.④②③①4.与③模式相比,②模式()A.区域内部收入差异较大B.企业类型和数量比较多C.不同企业规模相差不大D.区域内部发展效率较低石林彝族自治县位于云南省昆明市东南远郊,喀斯特地貌发育典型。

近年来其生产空间、生活空间和生态空间“三生”空间用地转移频繁,对当地社会经济和环境都产生了一定的影响。

表1为该地2015-2020年“三生”空间用地转移面积表。

据此完成5~6题。

表1转移面积/km22015-2020年生产空间生活空间生态空间转出合计生产空间—12.4630.7343.19生活空间 2.76— 1.01 3.77生态空间45.81 1.35—47.16转入合计48.5713.8131.74—5.石林彝族自治县“三生”空间用地转换特征为()A.生活空间变化最大B.生态空间转入转出平衡C.生产空间增长最多D.“三生”空间动态转移多6.石林彝族自治县“三生”空间用地转移会使()A.地表景观破碎化减轻B.生态脆弱性增强C.地表景观多样化下降D.生物多样性增加锋的移动会引起锋前、锋后三小时内有明显变压(前后两特定时间的气压变化,如后一时刻的气压数值减前一时刻的气压数值的差值,大于零时叫正变压,小于零时叫负变压)。

2024年“圆梦杯”高三统一模拟考试(六)数学试卷

数学试题 第 1 页(共 4 页)2024年普通高等学校招生“圆梦杯”统一模拟考试(六)数 学注意事项: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。

一、选择题:本题共8小题,每小题5分,共40分。

在每小题给出的四个选项中,只有一项是符合题目要求的。

1.已知3i z =−,则||z = A .0BCD2.若2()(1)2f x x ax =−+为偶函数,则a = A .2−B .1−C .0D .13.已知某商场在上半年的六个月中,每个月的销售额y (万元)与月份x (126,,,x = )满足线性回归方程ˆˆ12278..yx =+,则该商场上半年的总销售额为 A .160万元 B .176万元 C .180万元 D .192万元4.命题p :0xy >;命题q :||||||x y x y +=+,则命题p 是命题q 的 A .充要条件B .充分不必要条件C .必要不充分条件D .既不充分也不必要条件5.已知函数()ln f x x ax =+在区间(1,2)单调递增,则a 的最小值为 A .1−B .12−C .12D .16.在ABC △中,角A ,B ,C 所对的边分别为a ,b ,c ,ABC △的面积为S .若4a =,且2tan S A =,则22b c += A .24B .27C .32D .36数学试题 第 2 页(共 4 页)7.设椭圆2221(0)9:x y C b b +=>的离心率为23,左、右焦点分别为1F ,2F ,点A 在C上.若211cos 4AF F ∠=,则12AF F △的面积为 ABCD.8.已知集合{|010π}A θθ=<<,7π{|sin 3cos()}6B θθθ==+,则集合A B 中的元素个数为 A .15B .20C .30D .40二、选择题:本题共4小题,每小题5分,共20分。

2023年湖南省株洲市攸县一中高三化学模拟试卷(六)+答案解析(附后)

2023年湖南省株洲市攸县一中高三化学模拟试卷(六)1. 2021年末,詹姆斯.韦伯红外线太空望远镜搭载火箭发射升空,将奔赴远离地球150万公里的第二拉格朗日点,肩负起观测宇宙形成后最初出现的星系、搜寻地外生命迹象等重任。

下列有关叙述错误的是( )A. 主镜材料为密度小,性能好的金属铍,表面的金涂层可提高红外线反射率B. 望远镜需要避免太阳辐射,制作遮阳帆的聚酰亚胺薄膜属于有机高分子材料C. 望远镜需要超低温环境,主动冷却器用氦制冷,氦的分子间作用力很弱,沸点极低D.望远镜工作的推进剂为和,本身的颜色会随温度升高变为红棕色2. 设为阿伏加德罗常数的值。

下列说法正确的是( )A.中含有的质子数目为B. 铅蓄电池中,当正极理论上增加时,电路中通过的电子数目为C.的溶液中,阴离子总数小于D.常温常压下,中所含的分子数目为3. 下列有关海水及海产品综合利用的离子方程式不正确的是( )A. 海水提镁中用石灰乳沉镁:B. 海水提溴中用水溶液富集溴:C. 氯碱工业中电解饱和食盐水:D. 海产品中提取碘单质:4. 炼铁工业中高炉煤气的一种新的处理过程如图所示,有关该过程的叙述错误的是( )A.可减少的排放 B. 和CaO均可循环利用C. 过程①和④的转化均为氧化还原反应D. 过程①的反应中有非极性键的断裂和生成5. 化学是实验的科学,下列有关实验设计能达到目的的是部分夹持装置已略去( )A B C D进行喷泉实验可吸收多余的HCl气体测定化学反应速率配制稀硫酸溶液A. AB. BC. CD. D6. 有机化合物X 与Y在一定条件下可反应生成Z,反应方程式如图:下列有关说法正确的是( )A. 有机物X 与Y生成Z的反应属于取代反应B. 有机物Y 分子中最多有9个原子在同一平面上C. 1molZ的芳香族同分异构体化合物可能与2molNa反应D. Z在酸性条件下水解生成和7.《Science》杂志报道了王浩天教授团队发明的制取的绿色方法,原理如图所示。

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高考英语模拟题第I卷第一部分听力(共两节,满分30分)(略)第二部分阅读理解(共两节,满分60分)第一节(共15小题;每小题3分,满分45分)ATo avoid becoming the lead story on the evening news, be prepared. Before you head out on a hike, check the weather, take plenty of water, and make sure someone knows where you’ll be and when you’ll be back. Bring clothes to keep you warm when wet. Avoid cotton, which is easy to take in moisture(潮气).“To avoid getting lost, check often to make sure you’re still on the trail(路线),” says John Dill, a search-and-rescue worker at Yosemite National Park in California. “The minute you think you might not be on the trail, stop.” If you’re not alone, focusing on the needs of others can help you get rid of your own fears. Other keys to survival: staying observant and remembering to rest.The surest way to get out alive is to take basic precautions(预防措施), such as taking a set of survival equipment. It includes waterproof matches for starting a fire, a folding knife for cutting branches, and a plastic tarp(防水布) for making shelter.Generally, people who try to find their own way out get along worse than those who stay, says Richard N. Bradley, MD, of the American Red Cross. Find shelter before dark, and try to keep dry. Stay visible so that anyone searching can see you. In a wide-open area, make a signal with colorful tools, make a big X out of rocks, or dig a long shallow hole.You can go several days without eating, so in most cases, you’d better not search for food, since there are lots of poisonous plants in the wild, says Dr Bradley. Y ou cannot survive without water, so if you run out of water, it’s usually better to drink from a stream with suspect water than to go without.21. By saying “becoming the lead story on the evening news” in Para. 1, the author really means ______.A. you will be interviewed by the journalistB. you will become famous for your survival in a forestC. the news that you are lost will spread around quicklyD. your experience in the wild will be reported in the evening news22. According to the writer, how can you avoid getting lost when you are alone?A. Make sure you don’t leave the trail.B. Remember not to stop on the trail.C. Try to look for others’ help.D. Overcome the fear of getting lost.23. According to the passage, you may get into trouble if you ______.A. try to find food to fill your stomach in the wildB. stay in the shelter before darkC. remain where you get lost and wait for helpD. drink water from the stream24. Why does the author suggest digging a long shallow hole in a wide-open area when you get lost?A. To find some water to drink.B. To store some food you’ve brought along.C. To attract the rescuer’s attention.D. To use it as a shelter.BMany New Zealand children are being studied for sleep disorders(紊乱) after overloading on technology before bedtime. Specialists say computers and televisions disturb sleep patterns and cause learning, concentration and growth problems.Dr Alex Bartle, director of the Sleep Well Clinic, said that different sorts of technology were keeping children awake. Computer games and social networking sites such as Bebo and Facebook were worse than TV for exciting young minds because they were more interactive(互动的). They should be switched off at least an hour before bedtime. “To fall asleep, you need to have a certain amount of calmness in the brain,” said Bartle. “being exciteddoesn’t help those brainwaves settle.”Professor Philippe Gander, director of Massey University’s Sleep / Wake Research Centre, said poor sleep had been linked to learning, behavioral and growth problems.Bartle said parents should make sure that children were well-rested and not kept awake by the technology surrounding them. “They need to encourage kids to get out during the day. Watching TV or playing on computers as soon as they get home isn’t good from a sleep point of view. Parents need to be strong enough to remove TVs or computers.”In Britain, National Health Service data show almost 3,000 under-11s were referred to specialists for problems such as sleeplessness and sleep-walking(梦游) in 2007, up 26 percent from 2002.While there are no figures in New Zealand, experts have no doubt that the number of children in need of help is on the increase. “We have the same sorts of technology, the same lifestyles,” said Bartle.The Child Health Research Foundation in New Zealand has funded(资助) studies on sleep problems and is waiting for the results.25. What does “technology”mainly refer to according to the passage?A. pianos and guitarsB. televisions and computersC. learning machinesD.MP3s and MP4s26. According to Dr Alex Bartle’s opinion, we can learn that ______.A. Children should not watch TV or play online games in the eveningB. Watching TV does more harm to children than playing computer gamesC. Some parents fail to set a limit on the time their children spend on technologyD. About 3,000 New Zealand under-11s have sleep problems in 200727. Experts are sure that the number of New Zealand children with sleep problems is increasing because _____.A. New Zealand children play more online games than British childrenB. They have exact data from National Health ServiceC. New Zealand children are in the same situation as the British childrenD. They have exact data provided by hospitals28. What is the main idea of the passage?A. Children like computer games.B. Technology disturbs children’s sleep.C. The ways of dealing with sleep disorders.D. New Zealand parents should prevent children from watching TV.CTo “sacrifice” means to give up something in e xchange for something better. My husband and I decided to make a sacrifice and exchange city life and move to a seaside village with our children aged 9 and 3 years. We had a beautiful home in the city and plenty of money but little real safety because crime was on the increase every day. We never knew if we would all make it safely home at night. I hoped my children would be brought up in a peaceful and friendly environment.We were very happy in our new town, but life was very difficult economically. Income was based on the tourist seasons and jobs were few. Although many of the long- standing residents(居民) were well off in the town, it was a very competitive environment for newcomers. We had to adapt to the difficult new life over the past four years.Reading the newspapers from the big cities made us better believe that we had made the right choice. But it was not always easy to explain to the children why they could no longer have what they used to have.However, our little daughter proved to me she had the ability to think about problems in a reasonable way. The son of a visiting friend preferred riding in the back of our old little truck to his father’s big car.Our little daughter called me and said, “Mom, please help me to explain to James that he is wrong. He says that ‘Today, ifyou don’t have money you are nothing.’ I know that is not true. If you do have money you share it with your friends and if you don’t have money and they do, they share it with you. That is what makes us all rich.” It made me realize that the sacrifice was well worth it.29. Why did the family move away from the city?A. They were tired of the city life.B. The city was not safe enough.C. Pollution in the city was serious.D. Life in the city was expensive.30. What wa s the worst to the author’s family in their new town?A. They couldn’t get used to the weather.B. It was hard for them to get a steady and satisfying income.C. Their neighbours were richer than them.D. They had few friends in the new environment.31. The author realized that their sacrifice was well worth it because _______.A. they had a beautiful home in the seaside villageB. they made a lot of money in the tourist seasonsC. their children could receive good educationD. their children could form a good value concept in the new environmentD.2014 Good Neighbor Dream Vacation PackageStay close to the magic and make your dreams come true. Good Neighbor Hotels offer quality accommodations (住宿) and are located near the Disneyland Resort.Disney’s G ood Neighbor Dream Vacation Package includes:●Accommodations at a conveniently located Disneyland Resort Good Neighbor Hotel.●Disneyland Resort Park Hopper Souvenir ticket, valid (有效的) for same day entry into both Disneyland Park and Disney’s Californi a Adventure Park.●One Magic Morning admission (进入权) into Fantasyland in Disneyland Park, valid with Disneyland Resort Park Hopper souvenir tickets of 3 days or longer.●Get two extra days of Theme Park admission FREE when you buy a 3-day or longer Disneyland Resort Park. Hopper Bonus Ticket from August 7 to October 24, 2010.●Disney Character Calls — Receive a phone call from Mickey, Minnie or Goofy!●Mickey’s Toontown (卡通城) Morning Madness — an interactive Guest and Character experience.● Dream Coin — small collectible objects as souvenirs (one per package).All features of tickets, offers, events, age ranges, services, attractions and entertainment may be seasonal and changeable without notice.*Tickets may not be sold or transferred for commercial use. Offer may not be combined with other discounts or promotions.**Magic Morning allows admission into selected attractions at Disneyland Park before the park opens to the public. Based on availability, does not operate daily, subject to change without notice.***Operation of attractions, entertainment, stores and restaurants, and appearance of Characters may vary and change without notice. Each guest must have a valid multi-day (多天的) admission ticket from Walt Disney Travel Company in order to enter Disn eyland Park and Mickey’s Toontown.32. The biggest attraction of Good Neighbor Hotels may lie in its ____.A. locationB. serviceC. priceD. scenery33. Disney’s Good Neighbor Dream Vacation Package ____.A. offers free meals to touristsB. provides admission into Fantasyland unconditionallyC. includes a phone call from a Disney characterD. gives away several souvenirs to each guest34. If you want to enjoy Mickey’s Toontown Morning Madness, you should ____.A. have a more-than-one-day ticketB. arrive before the park opensC. know the plan is never changeableD. remember your discounts35.The purpose of this passage is to ________.A. introduce the favorable location of Good Neighbor Hotels.B. inform visitors of a free tour to Disney’s Californ ia Adventure ParkC. introduce Disneyland Park and Mickey’s Toontown.D. advertise the 2010 Good Neighbor Dream Vacation Package第二节(共5小题;每小题3分,满分15 分)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。

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