9月预测
2023年1-9月纯碱市场的走势分析及预测
市场需求增长原因分析
1.纯碱需求增长源自多个行业，玻璃制造引领增长近年来，纯碱市场需求持续增长的主要原因是其广泛应用于多个行业，特别是玻璃、化工、洗涤剂和纺织等行业。其中，纯碱在玻璃制造中的需求呈现稳定增长态势。根据调查数据显示，2021年1-9月，全球玻璃行业的产量达到了约3,500万吨，较去年同期增长了7%。而纯碱作为玻璃制造的重要原料之一，被广泛用于调节玻璃成分，改善产品的透明度和强度。因此，玻璃行业的需求增长直接推动了纯碱市场的扩大。
Expected increase in soda ash prices in 2023
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PATE THREE
2023年纯碱价格预计上涨
1. 高需求驱动2022年1-9月期间，纯碱市场呈现上涨趋势，主要原因是高需求的驱动。根据数据显示，全球玻璃行业的生产规模持续扩大，玻璃制品的需求量明显增加。纯碱作为玻璃生产过程中不可或缺的原料，受益于玻璃行业的繁荣，市场需求量呈现稳定增长。
Байду номын сангаас
1.2022年1-9月纯碱价格预测：需求增长与供应紧张共促价格上涨纯碱价格预测方面，根据市场需求和供应情况的综合分析，预计2022年1-9月纯碱价格将呈现稳中有升的趋势。首先，由于国内经济的稳步复苏和消费需求的增长，对纯碱的需求将保持较高水平。其次，由于环保压力的增加和行业整治力度的加大，纯碱产能受到限制，供应相对紧张。2.2022年1-9月纯碱价格预计稳定上升因此，预计未来纯碱价格将继续上涨。然而，需要注意的是，受到国际贸易摩擦等不确定因素的影响，纯碱价格的上涨可能会受到一些波动。综合考虑各种因素，预计2022年1-9月纯碱价格将整体稳定上升的态势。
滇产鲜切花有涨有跌 ——9月云南主要鲜切花行情分析与预测
滇产鲜切花有涨有跌——9月云南主要鲜切花行情分析与预测截至9月12日为止，滇产14类鲜切花价格有涨有跌，除非洲菊、百合、菊花、洋桔梗不同程度下跌外，其他品种均有上涨。
其中玫瑰、康乃馨、百合和非洲菊四大切花均价为1.34元/支，较上月持平，较去年9月跌10.74%。
玫瑰稳中有涨继上月23日涨至1.2元的峰值之后，玫瑰价格一路跌落，至9月8日教师节起回调，但回调幅度较小，最高仅0.6元/支！据统计，9月玫瑰综合均价0.36元/支，较上月基本持平，但较去年9月则出现大跌现象，跌幅达173.57%。
本从品种上看，红色、黄色玫瑰价格偏高，其中红色代表卡罗拉均价为0.34元/支，较上月跌46.36%，黄色代表阿斯米尔黄金最高位0.39元/支，较好上月跌39.62%；小花型红色“红衣主教”断货，暂无产品上市，该品种属老品种，虽然花头小，但抗病性强，产量高，瓶插期长，较受国内一些小花店的欢迎，因此该品种价格一直保持较为平稳走势，如恢复上市，则行情望涨。
占玫瑰总产量一半以上份额的“老三样”即黑魔术、卡罗拉和影星均价0.31元/支，同比跌48.86%。
七夕节之后，玫瑰消费量和产量同比下滑，但20日之后，受国庆节消费需求的拉动，玫瑰行情看涨。
百合逆势上涨云南夏秋百合批量上市，但总产量较往年有所下降，加之去年以来，种植者大多使用进口球，因此品质也较往年明显提高，百合价格稳中有升。
截至12日为止，斗南花市百合批发均价为4.63元/支，较上月涨7.43%，较去年同期涨23.58%，在四大切花中，是唯一上涨的品种。
从品种上看，东方百合依旧是市场主力，均价4.25元/支，较上月持平。
其中，OT系“黄天霸”售价达到6.55元/支，其价格冠军地位被红色“罗宾娜”取代，罗宾娜均价7.0元/支，价格最高，同比微跌，深粉色“梯伯”均价3.67元/支，跌幅最大为15.5%,粉色“索尔邦”均价3.66元/支，同比跌8%，浅粉色“马可波罗”最低为2.85元/支，较上月持平。
2025届山东省 高三9月模拟预测英语试题
2025届山东省Eternal7社区高三9月模拟预测英语试题一、阅读理解Hypixel, launched in 2013, is the largest currently active Minecraft server, with an average of 40,000 players online as of 2024. Here are 3 trending minigames in Hypixel.Hypixel SkyBlock Hypixel SkyBlock is a game where players start on a Private Island with almost nothing and quickly start collecting resources, expanding their island, fighting monsters, creating farms, and much more.Throughout SkyBlock, many items have their own Collections. Each collection has its own designated item, each of which has multiple tiers. Some Collections have as little as 4 tiers and some range to 10+ tiers. Each tier has a requirement for total items collected that the player needs to obtain in order to unlock it. Rewards from Collections range from many things such as Skill XP, new recipes, Trades, the ability to use certain items, and more!BedWarsIn BedWars, players spawn (出生) in eight or four teams of up to four players. They’re equipped on spawn with a Wooden Sword when lacking a better sword. Team islands have a bed in front and a resource generator in back. The bed is the respawn source of a team and must be protected from enemy teams, while the resource generator spawns Iron and Gold to purchase items at the Item Shop.There are islands separate from team islands with Diamond and Emerald Generators. Diamonds generate at a moderate (中等) speed and can be used to purchase team upgrades or traps, while Emeralds generate at a slower speed and can be used to purchase stronger items. These generator islands are usually close to islands of other teams, which can be raided by other teams to break their bed. If a team’s bed is broken, players on that team will lose their respawn ability and be eliminated upon dying once more.SkyWarsIn SkyWars, players spawn on islands that contain chests with loot inside. Players can loot the chests to get tools, armor, projectiles, and other items. These items can be used to battle other players, who will drop their own loot when killed. There are also stronger loot chests in the middle of the map, which contain stronger tools, enchanted armor, and other more frequent items. Chests can refill twice, with the first refill making strong items stronger or more frequent, and the secondrefill placing ender pearls in every chest.1．Which one is the incorrect statement of BedWars?A．Players are required to defend their team’s bed.B．Every player in the game is unable to respawn.C．Time of this game is limited.D．Emernalds are the most value items.2．What’s the underlined word “tiers” used to describe?A．How fancy it is.B．How rare it is.C．How many it is.D．How bad it is. 3．Which game not involves Player VS Player?A．Hypixel Skyblock.B．BedWars.C．SkyWars.D．None of them.The recent arrest of three middle school boys who allegedly killed a classmate has raised concerns about teenagers who commit serious crimes. It has also started discussions about the challenges faced by left - behind children.The victim, surnamed Wang, was a grade 7 student in Handan, Hebei province. He was killed on March 10 and all suspects were taken into custody (拘留) the next day.It’s yet to be found out why or how the killing happened. However, some news reports said that the three suspects who are all under 14 bullied the victim for a long time. These reports also said they are children of migrant workers.The victim went missing in the afternoon of 10 March, his father said in a video on Douyin. The local government said the boy likely died on the same day.“My child was still alive and kicking around 15:00 on 10 March... All his money was transferred from his phone at 16:10 and his phone was turned off,” the father said.Before his death, the boy transferred 191 yuan ($17; £13) to one of his three classmates, the father told The Beijing News.Xu Hao, a lawyer at Beijing Jingsh Law Firm, said the suspects might still have to face punishment for what they did, even though they are young. He explained that the law in China said that children as young as 12 can be punished if they commit serious crimes, like hurting or killing someone. But the decision to punish them has to be approved by the Supreme People’sProcuratorate (人民检察院).Another lawyer, Zhao Li, said it’s not just about punishment, but also about getting help from the government and schools to look after children who are left behind by their parents.Zhao said these children need more care and help while they grow up, and that making better rules and services is really important to help all children, especially the left-behind ones. 4．What may the passage be taken from?A．From a newspaper.B．From a speech.C．From a blog.D．From a publisher.5．What details are known about the suspects involved in the killing of the grade 7 student?A．They were all over 18 years old.B．They were children of migrant workers.C．They were all honor students.D．They had no prior history of misconduct. 6．According to lawyer Xu Hao, what are the potential consequences the suspects may face for their actions?A．They will be cleared due to their young age.B．They may face punishment if approved by the Supreme People’s Procuratorate.C．They will be watched on by guardians.D．They are exempt from legal consequences as minors.7．Which of the following is the best title for the passage?A．The Impact of Migrant Worker Families on Children’s Behavior and Well-being.B．Legal Ramifications for Underage Offenders in China.C．A Teen Case Has Brought Attention to Social Issue of Left - Behind Children.D．Rise in Violent Crimes Among Middle School Students Linked to Neglectful Parenting.A century ago, Emily Post made manners popular. Her bestselling book, “Etiquette”, framed the “fundamentals (基础) of good behaviour” as fashionable; she offered practical advice as well as dramatic warnings.A century after Post’s book, people are again saying “yes please” to politeness. A host of influencers offer etiquette (礼仪) lessons online, teaching table manners and posture (身姿). #Etiquette posts on TikTok have been viewed more than 5 billion times. Sara Jane Ho, a Chinese instructor, has taken niceties to Netflix. “Mind Your Manners”, a reality show, was nominated foran Emmy award in 2023. People are looking for help at the office as well as at home. Influencers cover topics such as how to start meetings on time and advise on digital faux pas, including how to leave a group chat quietly.Old institutions are adapting to 21st-century norms. Courses at the Institut Villa Pierrefeu mix “modern conventions” with “time-honoured traditions”. Other books offer lessons in modern cordiality. Ms Ho recently published her etiquette teachings. Mr Hanson’s guide to decorum will be published in September.This flurry (热潮) of politesse comes at a time when most people think manners are in decline. Some 85% of Americans believe society is less civil (文明) than it was a decade ago, according to a recent survey; 90% of parents think youngsters aged between six and 18 are disrespectful. Most blame social media and contemporary pressure.As well as these concerns, interest in gentility has surged for two reasons. The first is covid, which stopped folk interacting face-to-face. People started worrying that their social skills were getting as much use as their formal wear. The second reason is a confusion about what is the best practice in a global, digital age. Following experts such as Ms Ho, who says her viewers “know what to do anywhere, with anyone, in any situation”, can seem like a sure-fire way to avoid embarrassment.Like all customs, what is regarded as polite is subject to change. Post knew this, and criticised people who said the young were rude because they followed less formal etiquette. An oft-cited example is the phrase “if it please you”, which was popular in Shakespeare’s day. By the time Post published “Etiquette” it had been shortened to “please”. Young people now find it perfectly acceptable to type “pls” on mobile phones.Artificial Intelligence will change politeness once more. McKinsey, a consultancy, points out that soft skills will become only more important for business leaders in an age when generative (生成式) AI can do much of the analytical heavy lifting. Good manners may become more appreciated.8．Why has there been a renewed interest in etiquette?A．Because of the book “Etiquette”.B．Because of #Etiquette posts.C．Due to “Mind Your Manners”.D．Due to concerns about lack of manners. 9．What is the underlined word “this” refers to?A．The popularity of etiquette.B．The variability of polite standards.C．The reason of the flurry of politesse.D．The pressure that young are facing.10．It can be learned from the last paragraph that .A．AI will replace the need for human workers.B．AI will redefine what is considered polite.C．The importance of soft skills will increase in the business world.D．Generative AI is more competitive than human.11．Which is the correct structure of the passage?(①=Para.1)A．①;①①①①①;①B．①;①①①①;①①C．①①①;①①①;①D．①①①;①①;①①At large events all over the world, the scenes of extreme heat stress are starting to look familiar. Older men, shirts undone, lying down with their eyes closed. Aid tents packed with the unconscious. And lines of the faithful — whether they seek religion, music, ballot boxes or sport — sweating under slivers of shade.The consequences have been scared. At this year’s hajj (朝觐), the Islamic pilgrimage in Saudi Arabia, at least 1,300 people died as temperatures beyonded 37①. And in many ways, that heavy incident was just the latest sign that crowd control and heat waves fueled by climate change are on a dangerous power. During India’s recent election, dozens of workers died on the job. Last summer, troops of Boy Scouts visiting South Korea became sick from heat, as did others at music festivals in Australia, Europe and North America.Even as heat kills more people today than any other extreme weather event, there is still a dangerous cultural lag (滞后). Many major-event organizers are still failing to realize just how much a warming planet has risen the risk to summer crowds.“As the warm seasons get longer, as the heat waves come earlier, we’re going to have to adapt,” said Benjamin Zaitchik, a climate scientist at Johns Hopkins University who studies health-damaging climate events. Along with personal behavior, he added, facilities, emergency management and social calendars must “really acknowledge this new reality.”Among the many low-tech ways to prevent sickness and death are shade, water stations, sidewalks painted white to reflect heat and emergency health services to treat severe cases of heatstroke. Some hot and innovative places, like Singapore, have constructed public spacesuniting the outdoors with the indoors. They have added air-conditioning to areas where people might have to spend time waiting, such as bus stops.The hardest fix of all may be one that is also in some ways the simplest: educating ordinary people about the risks of heat, including those who are accustomed to living in hot places. Often, they are unaware of the early symptoms of heat stress or how high temperatures are especially dangerous for people with pre-existing health conditions, like kidney disease(肾病) or hypertension(高血压).“Heat is a very, very complex and sneaky killer,” said Tarik Benmarhnia, an environmental epidemiologist and associate professor at University of California, San Diego. “It’s very silent.”12．What does the author want to show in Paragraph 2?A．Large events are held more frequently than before.B．Hot weather influenced people more than expected.C．Occurence of people getting injured is more common.D．People consider their job more important than their lives.13．What is mainly talked about in the passage?A．Cultural diversity in global.B．Dangrousness of large festivals.C．A hidden killer of the health.D．Disadvantages of high temperature. 14．What seem to be most Tarik Benmarhnia’s attitude toward heat?A．Indifferent.B．Complex.C．Uncaring.D．Serious. 15．According to Benjamin Zaitchik, which measure is he most likely to agree with?A．Drawing sidewalks in white.B．Educating more people in adapting heat.C．Promoting more jobs and medical resources.D．Building more public facilities and stations.Astronaut Frank Rubiales has returned to Earth after 371 days in space. It was only supposed to be 180, but a technical fault stopped him from returning as planned. 16 .Being in space can affect both physical and mental health. 17 . Astronauts are recommended 150 minutes of exercise per day to resist this. Also, space traveller’s eyes can be affected by the way that fluids act in zero-gravity. Outside the protection of the Earth’s atmosphere, astronauts are exposed to much higher levels and different forms of solar radiation. This canpotentially cause long-term health problems, such as cancer.18 . Our mental health can be damaged if we don’t get enough sleep. On earth, our bodies respond through circadian rhythms to the Sun rising and setting to help us sleep, but astronauts on board the International Space Station see 16 sunsets and sunrises every day.19 . Isolation, and spending all your time with a small group of people can also affect mental health. Along with isolation, is the pressure that comes from being constantly monitored by experts back on Earth. With possible future missions to Mars predicted to last three years, tensions within the crew could become heightened. There was a case of this where a colleague threatened to open the airlock and drain the oxygen from the spacecraft.Developing new techniques and technology to support astronauts’health will enable more ambitious future missions. 20 . The Canadian Space Agency is using its expertise to improve health care for people living in remote regions. The technology that supports robots used in space is now being used in surgery in normal hospitals, while pressure suits are being used to treat post-pregnancy complications.A．Unlucky for him, but very lucky for scientists who want to see what effects spending an extended time in space has on the human body.B．Due to this technical fault,Frank Rubiales has to overcome more difficulties.C．It’s not just physical health that is affected by being in space.D．Enough sleep is exceptionally important.E．It can also help those of us who are staying on EarthF．Weightlessness caused by a lack of gravity can lead to a loss of bone and muscle mass. G．This means that avoiding sleep deprivation is a challenge.二、完形填空Mr. Dalton taught us plane geometry (平面几何) 37 years ago. I was a quiet kid. I neither got in much trouble nor got 21 . Somehow, plane geometry really 22 for me in his class.Toward the end of the year, Mr. Dalton wanted to 23 our knowledge and gave us a 25-question true/false nationally standardized test. The test presented each problem with aconclusion shown. We were required to 24 the result using our theorems (定理).I completed 24 problems quickly, but number seventeen was a 25 ! I spent thirty minutes on that proof and 26 I made it with all my efforts. 27 , I marked the question true and handed in the test.When the results came back the next day, my score was a 96, and number seventeen was28 wrong! When Mr. Dalton asked if there were any questions, for the first time, my hand29 .Instead of 30 that this was a nationally standardized test and there, couldn’t be anything wrong with the answers, Mr. Dalton did the most powerful thing. I’ve ever seen a teacher do: he held out the 31 to me with an encouraging smile on his face.I went to the board for the first time and 32 my proof, using the whole board and three different colors of chalk. In the end, everyone clapped. Mr. Dalton gave 33 for my answer on number seventeen, and I ended up with a grade of 104.What I experienced that day has 34 me well. I have been 35 to Mr. Dalton for empowering me to speak up as long as I think I’m right.21．A．caught B．tired C．confused D．noticed 22．A．clicked B．appeared C．faded D．existed 23．A．expand B．check C．update D．improve 24．A．classify B．identify C．prove D．obtain 25．A．mystery B．purpose C．challenge D．comfort 26．A．immediately B．eventually C．gradually D．consistently 27．A．Encouraged B．Embarrassed C．Depressed D．Satisfied 28．A．assumed B．indicated C．marked D．approved 29．A．shot up B．reached out C．waved about D．drew back 30．A．suspecting B．arguing C．discussing D．admitting 31．A．board B．chalk C．paper D．book 32．A．understood B．explored C．reflected D．demonstrated 33．A．credit B．cause C．account D．evaluation 34．A．known B．suited C．served D．made 35．A．polite B．true C．open D．grateful三、语法填空阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。
2024年浙江省新高考普通高校招生考试9月预测模拟卷物理高频考点试题(基础必刷)
2024年浙江省新高考普通高校招生考试9月预测模拟卷物理高频考点试题（基础必刷）一、单项选择题（本题包含8小题，每小题4分，共32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）(共8题)第(1)题如图，新风系统除尘由机械除尘和静电除尘两部分构成，其中静电除尘是通过电离空气后使空气中的粉尘微粒带电，从而被电极吸附的空气净化技术。
下图虚线为一带电粉尘（不计重力）在静电除尘管道内的运动轨迹，实线为电场线（未标方向），下列判定正确的是（ ）A．带电粉尘带正电B．带电粉尘在除尘管道内做匀变速曲线运动C．带电粉尘在a点的加速度小于在b点的加速度D．带电粉尘在a点的电势能大于在b点的电势能第(2)题为了测量储液罐中液体的液面高度，有人设计了如图所示装置。
当开关从a拨到b时，由电感L与电容C构成的回路中产生振荡电流而向外辐射电磁波，再使用调谐电路来接收甲振荡电路中的电磁波，这样就可通过测量乙中接收频率而获知甲中的发射频率，进而再获知电容C的值（L值已知），从而测量油罐内的液面高度。
下列分析判断正确的是（）A．该装置适用于测量任意种类液体的液面高度B．该装置测得的振荡频率与所用电源的电动势大小无关C．当装置使用过久电源电动势减小时，测量的液面高度比真实值偏小D．当储物罐内的液面高度降低时，所测到的LC回路中电流的振荡频率变小第(3)题地球表面与大气电离层都是良导体，两者与其间的空气介质可视为一个大电容器，这个电容器储存的电荷量大致稳定，约为5×105C，其间的电场，称为大气电场。
设大地电势为零，晴天的大气电场中，不同高度h处的电势φ的变化规律如图所示，不考虑水平方向电场的影响。
根据以上信息，下列说法正确的是（ ）A．大气电场的方向竖直向上B．地面带电量约为2.5×105CC．地面和大气电离层组成的电容器电容值约0.6FD．高度h越大，大气电场强度越小第(4)题如图甲所示，为一小型交流发电机示意图。
2024年浙江省新高考普通高校招生考试9月预测模拟卷物理试题
2024年浙江省新高考普通高校招生考试9月预测模拟卷物理试题一、单选题 (共6题)第(1)题叠放在水平地面上的四个完全相同的排球如图所示，质量均为m，相互接触，球与地面间的动摩擦因数均为μ，则：A．上方球与下方3个球间均没有弹力B．下方三个球与水平地面间均没有摩擦力C．水平地面对下方三个球的支持力均为D．水平地面对下方三个球的摩擦力均为第(2)题电影《热辣滚烫》讲述了一个女孩通过学习拳击实现自我蜕变的励志故事。
沙袋用绳竖直悬挂，主角对沙袋施加300N的作用力，通过调整施力方向使沙袋缓慢移动，尝试了各种施力方向后发现绳偏离竖直方向的最大夹角为，则沙袋的重力为（）A．B．C．D．第(3)题如图，质量相等的小球和小环用不可伸长的轻绳相连，小环套在光滑固定的水平细杆上，初始时刻小球在小环的左下方，绳子拉直，由静止释放，不计空气阻力，则（ ）A．小球和小环组成的系统，动量守恒B．小球和小环组成的系统，机械能不守恒C．小球向右摆到的最高点和释放点的高度相同D．整个运动过程中，绳的拉力对小球一直不做功第(4)题下列说法正确的是（ ）A．空中的小雨滴呈球形是水的重力作用的结果B．物体的内能变化时，其温度一定变化C．电冰箱通电后把冰箱内低温物体的热量传到箱外高温物体，没有违背热力学第二定律D．春季，柳絮像雪花般在空中飞舞是一种布朗运动第(5)题如图所示，原长L=40cm的轻质弹簧放置在光滑的直槽内，弹簧的一端固定在槽的O端，另一端连接一小球，该装置可从水平位置开始绕O点缓慢地转到竖直位置，弹簧的形变始终在其弹性限度内。
在转动过程中，发现小球离原水平面的高度不断增大，则该装置转到竖直位置时小球离开原水平面的高度不可能为（）A．10cm B．20cm C．25cm D．30cm第(6)题如图所示，两位同学从滑道最高端的同一位置先后滑下，到达低端的同一位置，对于整个下滑过程，两同学的（）A．位移一定相同B．时间一定相同C．末速度一定相同D．平均速度一定相同二、多选题 (共4题)第(1)题下列说法正确的是（填入正确选项前的字母，A．气体的内能是分子热运动的动能和分子间的势能之和；B．气体的温度变化时，其分子平均动能和分子间势能也随之改变；C．功可以全部转化为热，但热量不能全部转化为功；D．热量能够自发地从高温物体传递到低温物体，但不能自发地从低温物体传递到高温物体；E．一定量的气体，在体积不变时，分子每秒平均碰撞次数随着温度降低而减小；F．一定量的气体，在压强不变时，分子每秒对器壁单位面积平均碰撞次数随着温度降低而增加．第(2)题古代劳动人民常用夯锤（如图甲）将地砸实，打夯时四个劳动者每人分别握住夯锤的一个把手，一个人喊号，号声一响，四人同时用力将地上质量为90kg的夯锤竖直向上提起；号音一落，四人同时松手，夯锤落下将地面砸实。
有机化工产品8月市场回顾及9月市场预测
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2024年浙江省新高考普通高校招生考试9月预测模拟卷物理试题(基础必刷)
2024年浙江省新高考普通高校招生考试9月预测模拟卷物理试题（基础必刷）一、单项选择题（本题包含8小题，每小题4分，共32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）(共8题)第(1)题在如图所示的空间直角坐标系中，一不计重力且带正电的粒子从坐标为处以某一初速度平行y轴正方向射出，经时间t，粒子前进的距离为L，在该空间加上匀强电场，粒子仍从同一位置以相同的速度射出，经相同时间t后恰好运动到坐标原点O，已知粒子的比荷为k，则该匀强电场的场强大小为（ ）A．B．C．D．第(2)题正电子发射型计算机断层显像（PET）的基本原理：将放射性同位素注入人体，在人体内衰变放出的正电子与人体内的负电子相遇而湮灭转化为一对光子，光子被探测器探测后经计算机处理产生清晰图像，下列说法正确的是（ ）A．在人体内衰变的方程是B．正负电子湮灭的方程式是C．正负电子相遇而湮灭违背了能量守恒定律D．在PET中，的主要用途是参与人体的代谢过程第(3)题平时我们所处的地球表面，实际上存在场强大小为100 V/m的电场，可将其视为匀强电场，在地面立一金属杆后空间中的等势面如图所示。
空间中存在a、b、c三点，其中a点是电势为300V等势面的最高点，b、c等高。
则下列说法正确的是（ ）A．b、c两点的电势差B．a点场强大小等于100V/mC．a点场强方向沿竖直方向D．a点的电势低于c点第(4)题如图所示，为远距离输电的示意图，发电机组发出的电首先经过升压变压器（T1）升压后再向远距离输电，到达用电区后，首先在一次高压变电站（T2）降压，在更接近用户地点再由二次变电站（T3）降压后，一部分电能送到大量用电的工业用户（工厂），另一部分经过低压变电站（T4）降到220V/380V，送给其他用户。
假设变压器都是理想变压器，只考虑远距离输电线电阻，其他电阻不计，则下列说法正确的是（ ）A．T1的输出电压和T2的输入电压相等B．增加其他用户负载，T2的输出电压减小C．增加其他用户负载，T3的输出电压不变D．增加工业用户负载，T4的输出电压不变第(5)题伽利略通过斜面理想实验得出了（ ）A．力是维持物体运动的原因B．物体的加速度与外力成正比C．物体运动不需要力来维持D．力是克服物体惯性的原因第(6)题如图所示，两等量异种点电荷固定在、两点，以、连线的中点为原点，沿、连线的中垂线建立轴。
9月大盘行情预测(必读)
都说金秋9月，A股在经历了暴跌之后已经逐步具备了投资价值，就拿9月前几个交易日来说，还是维持横向震荡逐步向上的走势，股市逐步企稳。
就今天9月8日盘面表现还是比较不错的创业板大涨4%之多，主板也有2%的涨幅。
那这样的表现预示着未来什么样的行情，9月可能的走势是怎么样的，我们应该怎么样把握住其中的机会，我们会从技术面和政策面两个方向去分析。
在此先申明我们不是预言家，也不是股神，我们所有的判断都是建立在大胆猜测，小心论证的基础上，通过概率学分析行情最有可能发展的方向。
好，那么言归正传，先从技术面去讨论请看下图。
很明显我们可以看到这一波从4000点的下跌走了一个5浪的结构目前是在4浪反弹的过程中且很有可能走出ABC的走势。
这也是我之前一直提到的，为什么说这里会走一个相对复杂的4浪的反弹结构，原因就在于2浪的反弹是一个简单波，只用了1个交易日，随后就进入了3浪的主跌浪。
所以我们判断4浪的反弹是一个复杂波，而我最倾向于ABC的走势，从2850到3250大致是有300点的空间。
然后再是从3050基本最低，当然盘中有穿透最低是3020左右，按照1：1等长来算A和C段也就是3050+300=3350左右。
这个点也真是巧了，就是3373的附近也就是前期救市的最低点附近。
为什么说必须返一下这个位置，因为3373是周线级别的最低点确实需要回踩确认的必要。
下图是周线级别的上证指数，可以清晰的看到3373。
那很多人说3550这个点会不会返，我觉得是不太可能，最主要3550的支撑是60分钟和日线级别的支撑，我认为假支撑的概率大所以不会反弹去确认3550，同样的下面附上3550所处的日线级别的图。
再看看时间点，我倾向于反弹能持续到9月的中旬，而9月的下旬还有一次5浪的下杀，这就是我对9月大致的判断。
操作策略预测完了后，我给投资者们的意见是假如你是空仓就继续等待下一个低点因为指数已经到达3200左右了，这个时候开新仓显然不明智。
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在预测下周和下月走势之前，先来看一下常规技术指对上证指数及创业板指数历史走势的分析。
（1）89月移动平均线在上证指数历史走势中的作用。
89月移动平均线可作为上证指数长期上升趋势线。
从历史走势看，上证指数K线在该线之下运行时间不多。
2002年11月、12月、2003年1月上证指数月K线3次下穿89月移动平均线，2008年9月、10月上证指数月K线2次下穿89月移动平均线，随后展开一波中期上升行情。
截止8月收盘，上证指数8月份仅下穿1次89月移动平均线，是否还应该在9月份再次跌破该线呢？
（2）月线布林线在上证指数历史走势中的作用。
1994年7月，上证指数跌破月线布林线下轨，此时，指数已处于极度超跌状况，此次仅跌穿1次，多空能量系统月线、周线均发出绝对买入信号。
2005年5月、6月上证指数2次跌破月线布林线下轨，多空能量系统月线发出绝对买入信号。
2008年9月、10月上证指数2次跌破月线布林线下轨，多空能量系统月线、周线均发出绝对买入信号。
本次在8月份指数仅跌破月线布林线下轨1次，多空能量系统月线、周线均未发出绝对买入信号。
是否意味着还应该在9月份再次跌破月线布林线下轨、然后再起升势呢？
（3）创业板指数连续两根阳线规律。
2010年7月、8月创业板指数连拉两根阳线，随后出现调整。
2010年10月、11月创业板指数连拉两根阳线，随后出现调整。
2011年创
业板指数已连拉两根阳线，是否意味着9月份还会出现调整呢？
（4）成交量变化。
上证指数自2437点上涨以来，成交量却未能有效放大，量能每日呈递减状态，这不符合中长期底部的特征，是否意味着9月份还会出现调整呢？。