Equipment Impacts of Lead Free Wavesoldering FINAL APEX
河南省信阳高级中学2023届高三年级二轮复习滚动测试英语试题(含答案)
河南省信阳高级中学2023届高三年级二轮复习滚动测试5英语试题第二部分阅读理解（共两节，满分40 分）第一节（共15 小题；每小题 2 分，满分30 分）阅读下列短文，从每题所给的A、B、C 和 D 四个选项中，选出最佳选项，并在答题卡上将该项涂黑。
AFour winter wonderlands for cold-weather getaways◆ JW Marriott The Rosseau MuskokaBeat any holiday stress with the new HydroSpa opening at Muskoka's JW Marriott on Nov. 1.The outdoor water entertainment will be open year-round, offering multiple ways to relax including sea-salt floating pools and hot bathtubs.Stays from $349/night◆ Old Stone Inn Boutique HotelThis historic inn in Niagara Falls offers multiple ways to relax. There's Winterfest, meals enjoyed in dining domes（穹顶）housed in the inn's private square，and the Alpine Club offering roasted nuts and wine.The property will host its annual holiday market on Nov.26.Stays from $249/night◆Dromoland CastleIf you're going to go big—and further away—for New Year's, you may as well go black tie. This grand estate in western Ireland is offering a three - night celebration package, beginning either Dec.30 or 31.The event on New Year’s Eve includes a cocktail reception and six-course dinner. Guests will have access to various activities on the property's 450 acres including hunting and farming.Stays from $2,051/night◆St.Regis AspenAlong with access to many ski options,the hotel's guests can expect family-friendly fun during the week leading up toDec.25.The workshop here is a craft room where attendees can make everything from toys to gifts by hand.Stays from US $899/night21. How often is the holiday market open in Old Stone Inn Boutique HotelA. Yearly.B. Daily.C. Monthly.D. Weekly.22. What activities can you enjoy if you stay at St.Regis AspenA. Hunting.B. Floating.C. Skating.D. DIY.23. Which may enable you to have a taste of country lifeA. St.Regis Aspen.C. Dromoland Castle.B. Old Stone Inn Boutique Hotel.D. JW Marriott The Rosseau Muskoka.BIn the August sun,it's unbearably hot in my car.I'm in Vancouver,approaching the Knight Street Bridge as I try to get home after work.It's 5:15 pm. Traffic is already slowing down and then it comes to a full stop. I'm stuck even before getting on the bridge.This has become my normal work commute（上下班往返）routine.Ahead of me is a heavily jammed on-ramp（匝道）.I stare at the endless rows of vehicles，depressed.At first I think this is not how it looks. The traffic will soon start moving. Seconds pass. Minutes pass. Looking at the rows of cars and trucks glittering in the sun,I start counting—299, 300,301—and I give up.Suddenly I remember I'm one of the 300 helpless drivers.But I stayfocused. When the cars do move,I move carefully,making sure not to bump into other vehicles. Finally, I make it onto the bridge. The traffic is still crawling at a snail's pace.Tired and hungry,I become very anxious.Just then, I hear a weak sound in the distance.The sound gradually becomes louder, until I can identify it as an emergency vehicle approaching from behind. What do we do The bridge is packed.There's no room for us to move.But I'm wrong.Every single car quickly.yet carefully,moves to the side. Without thinking,f follow suit. The lane remains open for a few seconds during which the ambulance flashes through. Afterward,every car moves back.We closeup the emergency lane,ready to continue our patient wait.Back in my spot,I forget my tiredness and hunger.My anxiety is gone.I start reflecting upon what 300 fellow drivers and I just did.How did we do that？Despite our exhaustion，we collectively decided to help the stranger who needed the time more desperately than we did. We drew on our sympathy (同情心)and intelligence,requiring no directives.Although I may seem alone stuck on the bridge,I'm connected to all the other drivers. Together we could make the impossible possible.24. What did the author think of his commute routineA. It was surprising.C. It was amusing.B. It was upsetting.D. It was interesting.25. When was the author's anxiety goneA. When he was stuck in the traffic.B. After the ambulance flashed through.C. After they decided to help the stranger.D. When he heard the sound of the ambulance.26. What can we learn from the passageA. The author got on the bridge at 5:15 pm.B. Moving carefully, the author still bumped into other cars.C. Every driver made room for the ambulance automatically.D. The author followed the ambulance through the bridge.27. What can we infer from the last paragraphA. The drivers didn't make a difference.B. The author was stuck alone on the bridge.C. The author talked with the other drivers.D. People's kindness made the miracle happen.cA 2020 study in the journal Science concluded that marine heatwaves have increased more than 20-fold as a result of climate warming.The authors found that in the first decade after satellites began recording ocean temperatures(i.e.after 1981),there were 27 large marine heat waves,with an average duration of 32 days and an average peak temperature almost 8.5°F above normal;in the 2010s,there were 172,which lasted 48 days on average with an average peak temperature almost 10°F above normal.Much remains unclear about marine heat waves.Forexample,explains Nicholas Bond, research scientist at the University of Washington and Washington's state climatologist,there is the question of why so many persist for weeks or months. “There must be something else going that he lps maintain them,”he says. He notes that one explanation is that as the ocean surface warms，it gives off heat into the atmosphere that prevents cloud cover（云层）from forming，exposing the seawater to increased sunlight and further warming.However,enough is known about marine heat waves for scientists to be gravely concerned about their potential impacts. Of special note is the fact that those impacts can last long after the heat waves have disappeared.After three years of the Blob, the waters of the northeastern Pacific began to cool in 2016;but yearslater,scientists are still determining the extent to which the region'secosystem is likely to return fully to its pre-Blob status. Similarly, notes Scannell, who is a data scientist with Jupiter Intelligence,Inc.,following the 2010-11 Western Australia event,“lots of kelp（巨藻）forests died，and it takes literally decades for those ecosystems to bounce back”.Eric Oliver,a scientist from Dalhousie University in Nova Scotia, Canada, expressed his own opinion about the potential impact of the heat waves in tropical waters.“I think that’s really a tough issue,”he says.Life in the tropics,he notes,is adapted to“quite a narrow range of temperatures. So that's where things can get really messy. We can have complete shifts in tropical systems.”28. What can we infer from the figures listed in para.1A. The problem of marine heat waves is becoming worse.B. The satellites enable scientists to record ocean temperature precisely.C. Climate change is the main result of the marine heat waves.D. Marine heat waves have been found by scientists for about 30 years.29. What does the 2nd paragraph mainly talk aboutA. Various factors that lead to marine heat waves.B. The possible impacts of a warm ocean surface.C. The possible reason why marine heat waves last long.D. Scientists' efforts in exploring the causes of heat waves.30. What do we know about the impact of the marine heat wavesA. The impact will disappear shortly after the sea water cools.B. It may take long before the ecosystem makes a complete recovery.C. Scientists have known enough to restore the impact.D. The northeastern Pacific and Western Australia are the worst cases.31. What is Eric Oliver's attitude towards the heat waves in tropic watersA. Concerned.B. Indifferent.C. Doubtful.D. Optimistic.DPeople's ability to remember fades with age-but oneday,researchers might be able to use a simple,drug-free method to buck this trend.In a study published on 22 August in Nature Neuroscience,Robert Reinhart,a cognitive neuroscientist at Boston University in Massachusetts, and his colleagues demonstrate that zapping(刺激)the brains of adults aged over65 with weak electrical currentsrepeatedly over several days led to memory improvements that persisted for up to a month.Using a non-invasive(非侵入的，无创伤的)method of stimulating the brain known as transcranial alternating currentstimulation(TACS),which delivers electrical currents through electrodes(电极)on the surface of the scalp(头皮)，Reinhart's team conducted a series of experiments on 150 people aged between 65and 88. Participants carried out a memory task in which they were asked to recall lists of 20 words that were read aloud by an experimenter. The participants underwent TACS for the entire duration of the task,which took 20 minutes.After four continuous days of this protocol,participants who received high-frequency stimulation of the dorsolateral prefrontal cortex（背外侧前额叶皮质）had an improved ability to remember words from the beginning of the lists,a task that depends onlong-term memory. Low-frequency zaps to the inferior parietal lobe（顶下小叶）enhanced participants' recall of items later in the lists,which involves 'working' memory—the memory that allows the brain to store information temporarily.Participants' memory performance improved over the four days—and the gains persisted even a month later. Those who had the lowest levels of general cognitive function before the study experienced the largestmemory improvements.“I was both impressed and surprised by this,by this paper,”says Simon Hanslmayr,a cognitive neuroscientist at the University of Glasgow,UK. He notes that along with other scientists, he has been sceptical about whether TACS can lead to meaningful changes in cognition. One issue has been that TACS devices generate electrical currents much weaker than those created by other methods of stimulating the brain,so it hasn't always been clear whether they can transmit enough electricity to the brain to modify its function. However, the authors of this study convincingly showed that their protocol was linked to “consistent and quite strong improvements in memory”,Hanslmayr says.32. What does the underlined word “buck”mean in paragraph 1A. Start.B. Set.C. Follow.D. Resist.33. What can we learn about the experimentsA. The experiments involved people aged over 65 and young students with good memory.B. Participants were required to recall lists of 20 words when they read the words aloud.C. Stimulating the inferior parietal lobe with-low-frequency boosted the short-term memory.D. High frequency stimulation of the dorsolateral prefrontal cortex improved 'working' memory.34. Why has Simon Hanslmayr been sceptical about TACSA. The electricity sent by TACS is not sufficient to guarantee meaningful changes in cognition.B. The people who have poor cognitive function experienced the least memory improvements.C. TACS devices generate electrical currents as weak as those created by other methods.D. TACS devices cannot ensure consistent and quite strong improvements in memory. 35. What is the text mainly aboutA. TACS can lead to insignificant changes in cognition.B. TACS can help people with conditions such as Alzheimer's disease.C. Brain stimulation leads to improvements in memory.D. Brain stimulation benefits those with poor cognitive function most.第二节（共 5 小题；每小题 2 分，满分10 分）阅读下面短文，从短文后的选项中选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
The Impact of Summer Heatwaves on Urban Areas
The Impact of Summer Heatwaves onUrban AreasSummer heatwaves have become a common occurrence in urban areas around the world, posing significant challenges to both the environment and public health. These prolonged periods of excessive heat can have a range of impacts on urban areas, from increased energy consumption and strain on infrastructure to heat-related illnesses and even fatalities. In this article, we will explore the various ways in which summer heatwaves affect urban areas and the measures that can be taken to mitigate their impact.One of the most immediate effects of summer heatwaves on urban areas is the increased demand for electricity. As temperatures soar, air conditioning units are cranked up to full blast, putting a strain on the power grid. This can lead to power outages and blackouts, which not only inconvenience residents but also pose a threat to vulnerable populations, such as the elderly and those with pre-existing health conditions. In addition, the increased energy consumption during heatwaves contributes to higher levels of greenhouse gas emissions, exacerbating the very climate change that is fueling these extreme weather events.Infrastructure in urban areas is also under strain during summer heatwaves. Pavements and roads can crack, buildings can develop structural issues, and public transportation systems can experience delays and breakdowns. The heat can also cause damage to water and sewage systems, leading to water shortages and increased risk of contamination. These challenges are further compounded in densely populated urban areas, where the heat can become trapped by buildings and pavement, creating what is known as the urban heat island effect.The urban heat island effect is a phenomenon in which urban areas experience higher temperatures than surrounding rural areas due to the concentration of buildings, pavement, and other heat-absorbing materials. This exacerbates the effects of summer heatwaves, making cities even hotter and more uncomfortable for residents. In addition to theincreased risk of heat-related illnesses, such as heatstroke and dehydration, the urban heat island effect can also contribute to poor air quality, as pollutants are trapped close to the ground and form smog.To mitigate the impact of summer heatwaves on urban areas, various strategies can be implemented. One approach is to increase the amount of green space in cities, such as parks, green roofs, and tree-lined streets. These green spaces help to absorb heat, provide shade, and improve air quality, making urban areas more livable during heatwaves. In addition, cool roofs and pavements can be installed to reflect sunlight and reduce the urban heat island effect. Building codes can also be updated to include measures that promote energy efficiency and resilience to extreme heat.Public health interventions are also important in protecting residents from the effects of summer heatwaves. This includes providing cooling centers for those without access to air conditioning, distributing information on staying safe in hot weather, and monitoring vulnerable populations, such as the elderly and homeless. Heatwave early warning systems can help to alert residents to upcoming extreme heat events and provide guidance on how to stay safe.In conclusion, summer heatwaves have a significant impact on urban areas, from increased energy consumption and strain on infrastructure to heat-related illnesses and poor air quality. By implementing strategies to mitigate these impacts, such as increasing green space, improving building efficiency, and implementing public health interventions, cities can become more resilient to extreme heat events. It is crucial that policymakers, urban planners, and residents work together to address the challenges posed by summer heatwaves and create healthier, more sustainable urban environments.。
河南省焦作市第一中学2024学年普通高考第二次适应性检测试题英语试题含解析
河南省焦作市第一中学2024学年普通高考第二次适应性检测试题英语试题考生须知：1．全卷分选择题和非选择题两部分，全部在答题纸上作答。
选择题必须用2B铅笔填涂；非选择题的答案必须用黑色字迹的钢笔或答字笔写在“答题纸”相应位置上。
2．请用黑色字迹的钢笔或答字笔在“答题纸”上先填写姓名和准考证号。
3．保持卡面清洁，不要折叠，不要弄破、弄皱，在草稿纸、试题卷上答题无效。
第一部分（共20小题，每小题1.5分，满分30分）1．“Drive-ins” have large parking lots ________ customers are served in their cars by waitresses.A．who B．when C．which D．where2．--- Are you free now? I have something interesting to tell you.---OK, you make it short I will have to work on this term paper due tomorrow.A．now that B．as soon asC．every time D．as long as3．The climate conference was attended by 11,000 people, it the largest UN gathering ever held.A．making B．to make C．made D．to be making4．I hope that we will be able to make it through the tough times and back to the business of working together ________ our common goals.A．on behalf of B．in honor of C．on top of D．in search of5．-My computer doesn't work!-Robert is a computer expert. How I wish he______ with me.A．came B．had comeC．is coming D．has come6．Mr. Smart is believed to be a capable person, who is equal_____ charge of the company very well.A．to take B．to taking C．to be taken D．taking7．_____ the lawyers, volunteers from the Libyan Red Cross Society also joined the efforts in helping the Chinese go home safely.A．Except for B．In spite of C．Apart from D．Instead of8．After ________________ a sandstorm warning on Sunday evening, meteorologists forecast that dusty weather will continue in parts of the country on Monday.A．breaking off B．calling off C．leaving off D．putting off9．It is well known _____Confucius was born in the city of Qufu in Shandong province, China.A．whether B．whereC．that D．what10．___________ and they will finish off the challenging job.A．In a week B．A week later C．After a week D．Another week11．The problem with the current system allows anyone to commit a similar crime without . It needs to be fixed. A．being punished B．punishedC．to punish D．punishing12．Have you read the book Life and Death Are Wearing Me Out by Mo Y an, _____ that won him the 2012 Nobel Prize in Literature?A．the one B．one C．those D．ones13．---Where is the plane？I can't see it.---It went off its ________________ to keep away from the sudden storm.A．course B．roadC．flight D．direction14．—When did you get to know your girlfriend?—It was in 2015 ________ she was working as a volunteer in Africa.A．that B．whichC．when D．then15．In view of rapidly aging population,the second-child policy at the start of 2016.A．is adopted B．was adopted C．has been adopted D．was being adopted16．— I am so glad to find you at home. Can you do me a favor?— Sure. _______?A．Why not B．What’s upC．How come D．How is it going17．The days are gone physical strength was all you needed to make a living．A．that B．whenC．where D．which18．The bus would not have run into the river ________ for the bad tempered lady.A．if it were not B．had it not beenC．if it would not be D．should it not be19．—What a consequence!—Yes. I ________ him about it, but without success.A．will remind B．would remindC．was reminding D．had reminded20．—Did Linda see the traffic accident?—No, no sooner ________ than it happened.A．had she gone B．she had goneC．has she gone D．she has gone第二部分阅读理解（满分40分）阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项。
高二环境保护英语阅读理解25题
高二环境保护英语阅读理解25题1<背景文章>Global warming is one of the most pressing issues of our time, having a profound impact on the Earth's ecosystems. Sea - level rise is a significant consequence of global warming. As the Earth's temperature increases, glaciers and ice caps are melting at an alarming rate. This melting ice contributes to the rise in sea levels. For low - lying islands and coastal regions, this is a catastrophic threat. Many small islands are in danger of being completely submerged, displacing countless communities.The increase in temperature also disrupts the climate patterns. Extreme weather events such as heatwaves, droughts, and heavy rainfall are becoming more frequent and intense. Heatwaves can cause widespread damage to crops, leading to food shortages. Droughts parch the land, making it difficult for plants and animals to survive. On the other hand, excessive rainfall can lead to floods, which can destroy habitats and infrastructure.Species extinction is another tragic result of global warming. Many species have very specific environmental requirements for their survival. As the climate changes, their habitats are altered or destroyed. For example, polar bears rely on sea ice for hunting and breeding. With the reduction insea ice due to global warming, their survival is at risk. Similarly, many species of plants and animals in coral reefs are facing extinction as the warmer waters cause coral bleaching, destroying their homes.In conclusion, global warming is a complex and far - reaching problem that is causing significant damage to the Earth's ecosystems. Urgent action is needed to mitigate its effects and protect the delicate balance of life on our planet.1. What is one of the main causes of sea - level rise according to the article?A. More rainfallB. The melting of glaciers and ice capsC. Human activities near the coastD. Stronger ocean currents答案：B。
波浪补偿钻探设备在海洋岩土工程勘察中的应用
Value Engineering0引言钻孔取样是海洋地质勘察的重要技术手段，具有勘察结果可靠性高、成孔速度快的优点。
但常规的钻探设备容易受到海洋环境的扰动，从而改变海底原状土。
海浪补偿钻探设备利用液压技术或者配重砝码提高钻具的稳定性，能够有效降低环境干扰因素对钻探结果的影响程度，研究其在海洋岩土勘察中的应用效果能够促进相关技术的发展。
1工程概况国内某跨海大桥工程全长为55km ，作业区域受到潮汐水流的影响，夏季退潮时潮汐表面流速可达到1.53m/s ，冬季潮汐底层平均流速为1.05m/s 。
该地区秋冬季为东北季风，春夏季为东南季风，整体海况较差。
在工程勘察阶段，为了提高探测结果的可靠性，决定采用海浪补偿分离式液压钻探设备，获取海床样本。
在此次研究过程中，选取局部海域作为钻探区域，海底地层结构为覆盖层和岩石基层，海水深度在10~15m 之间，预计钻孔深度可达到40m 。
2波浪补偿钻探设备工作原理2.1设备结构组成海浪补偿分离式液压钻机的动力模块由柴油机、液压泵、驱动装置和控制箱组成，塔架作为工作模块的主要载台，安装有滑轮和导轨，卷扬机与驱动装置相连接，由后者为卷扬机提供动力，通过钢丝绳控制动力头，钢丝绳经由导轨和定滑轮组，控制波浪补偿配重箱，进而调节动力头。
2.2工作原理在动力头两侧安装有导轨，导向钢丝绳通过导轨，上端连接在钻塔的液压杆上，下端连接至钻探平台。
在回转作业中，先将导正钢丝绳下端调整至钻探平台的孔口位置，并且由液压杆向钢丝绳施加作用力，使钢丝绳达到紧绷状态，在这一情况下，动力头可保持稳定，不发生转动，钻机生成的扭矩将全部集中于钻具上[1]。
动力头的位置可随着施工活动进行调整，以改变钻头的行程（如图1所示）。
2.3传感器和反馈系统2.3.1姿态传感器当设备发生角速度变化时，陀螺仪内部的转子会产生相应的角动量变化，通过检测这种变化，相关工作人员可以计算出设备的角速度。
加速度计则是测量设备加速度的传感器，能够实时监测设备的加速度变化，并提供相应的数据信息，其计算公式为：（1）公式（1）中，θ代表旋转角度，（x ，y ，z ）代表旋转轴的坐标，通过四元数的计算，能够得到设备的姿态信息。
如何减轻噪音污染英语作文
如何减轻噪音污染英语作文English:Noise pollution is a significant environmental issue that can have detrimental effects on human health and well-being. It can cause hearing loss, sleep disturbances, cognitive impairment, and cardiovascular problems. To mitigate the negative impacts of noise pollution, several measures can be implemented:1. Urban Planning and Zoning:Proper urban planning and zoning can play a crucialrole in reducing noise pollution. By separating residential areas from industrial and commercial zones, the exposure of residents to loud noises can be minimized. Green belts, parks, and other natural buffers can also be incorporated into urban design to absorb sound waves.2. Traffic Management:Traffic is a major source of noise pollution in urban areas. Implementing measures to reduce traffic congestion, such as promoting public transportation, carpooling, and ride-sharing, can help mitigate noise levels. Additionally, traffic calming measures, like speed bumps and raised crosswalks, can slow down vehicles, resulting in lower noise emissions.3. Architectural Design:Soundproofing building materials and designs can significantly reduce noise transmission. Double-glazed windows, soundproof drywall, and noise-absorbing carpets can be employed to create quieter indoor environments. Building facades can also be designed to deflect or absorb sound waves, minimizing noise pollution for residents.4. Industrial Noise Control:Industrial activities often generate excessive noise levels. Implementing noise control measures in factoriesand plants, such as soundproofing equipment, acoustic curtains, and vibration dampeners, can minimize noise emissions and protect workers and nearby communities from excessive noise exposure.5. Public Education and Awareness:Educating the public about the harmful effects of noise pollution and promoting responsible behavior can help reduce noise levels. Encouraging the use of noise-canceling headphones, lowering the volume of music and electronic devices, and being mindful of noise levels in public spaces can contribute to a quieter environment.中文回答：如何减轻噪音污染。
能源的开发利用与环境保护英语作文
能源的开发利用与环境保护英语作文全文共6篇示例，供读者参考篇1Energy Use and the EnvironmentHi there! My name is Sam and I'm in 5th grade. Today I want to talk to you about something really important - energy and how it impacts the environment we live in. Energy is pretty much everywhere and powers so many things in our daily lives, but getting that energy can sometimes cause pollution and damage nature. It's a tricky balance!You see, energy comes from different sources. Some are renewable, meaning we can reuse them over and over without running out. Examples are solar (from the sun), wind, water flowing in rivers and streams, and geothermal (heat from inside the Earth). Other energy sources are non-renewable, which means they'll run out someday if we keep using them up. The main non-renewable energy sources are fossil fuels like coal, oil and natural gas.Fossil fuels cause pollution when we burn them to create energy. The pollution goes up into the air and can makebreathing problems for people, animals and plants. It also leads to climate change by heating up the planet over time. That's a big problem because climate change causes lots of other issues like rising sea levels, extreme weather, droughts, loss of habitats for plants and animals, and more.Renewable energy sources are usually much better for the environment. They don't emit greenhouse gases or other pollution when we use them to make electricity or power vehicles and machines. Sunlight and wind will basically always be there. But renewable sources have their own challenges too. Making equipment like solar panels or wind turbines takes a lot of energy and resources. They also need large areas of land to be installed on.So what can we do? Well, individuals can make some changes in their daily lives to reduce energy waste and pollution. Simple things like turning off lights when leaving a room, taking shorter showers, walking or biking instead of driving for short trips, recycling, and using less single-use plastic all help reduce our environmental impact.But governments, big companies, and communities need to make bigger changes too. They can invest more in renewable energy sources like solar and wind power instead of coal and oil.Public transportation could run on renewable electricity instead of gas. Buildings could be designed and upgraded to be more energy efficient. We could preserve more forests and nature areas that absorb carbon dioxide from the air.It's going to take creativity, cooperation and commitment from everyone to find the right balance between getting the energy we need while protecting the environment. But it's so important that we try our best for a sustainable future! We only篇2Energy and the Environment: A Kid's ViewEnergy is super important for our lives! It powers all the cool stuff we use every day like our phones, computers, TVs, and even cars. But getting energy can sometimes hurt the environment which is really bad. Let me tell you about the different types of energy, how we get them, and what we can do to protect the planet.First up, fossil fuels! That's things like coal, oil, and natural gas that come from deep underground. We've been using fossil fuels for a really long time to make electricity, heat our homes, and run machines. The problem is, burning fossil fuels creates pollution like smog and releases greenhouse gases that causeclimate change and global warming. That's making the Earth get hotter and can lead to melting ice caps, rising sea levels, weird weather, and animals losing their homes. Not cool!Another way to get energy is from nuclear power plants. These use uranium, a super heavy metal, to produce electricity through a process called nuclear fission. Nuclear power doesn't make air pollution, but it does create radioactive waste that has to be carefully stored away for thousands of years because it's dangerous. There's also a tiny risk of a major nuclear accident which could be really bad.Luckily, we have some awesome energy sources that are totally renewable, which means we'll never run out! These are things like solar energy from the sun, wind energy from turbines, hydroelectric energy from running water, geothermal energy from the heat inside the Earth, and bioenergy from plants. They don't create much pollution or greenhouse gases at all! How neat is that?Solar panels turn the sun's rays directly into electricity. Big solar farms with many panels can power entire cities! And you can even get solar panels for your house. Wind turbines use their huge blades to capture wind and spin a generator to make electricity too. Hydroelectric dams harness the force of rushingrivers to spin turbines as well. Hot air and steam from underground is used at geothermal power plants. And bioenergy comes from burning wood, crops, and even trash to produce heat and electricity. Way cool, right?Using more renewable energy is great for the environment since it's clean and doesn't pollute the air or water. Conservation is super important too - that means not wasting energy! We can do little things like turning off lights when we leave a room, taking shorter showers, walking or biking instead of driving, recycling, and using energy efficient appliances.Governments, companies, and scientists are also working hard on new technologies like better batteries to store renewable energy, carbon capture to remove greenhouse gases, hydrogen fuel cells, and even nuclear fusion which could provide basically unlimited clean power! The future of energy is very exciting.I really hope we can use way more renewable energy sources and stop relying so much on fossil fuels and other dirty sources. It's going to take a lot of work from everyone, but we need to protect the Earth's environment and all the amazing plants and animals. Energy is crucial for modern life, but there are smart ways to get it without creating pollution and climate change. Wecan have our electronics, cars, heating and everything else while keeping our air clean, lands pristine, and waters pure. Let's create a greener, more sustainable world for every kid like me to grow up in!What do you think? We all need to do our part, even children, to conserve energy and take care of our planet. Things like recycling, turning off unused lights, and walking short distances can make a difference. Maybe you can even get your family to install solar panels at home! I'm going to keep learning about energy and do whatever I can to be environmentally friendly. It's our shared responsibility to be good stewards of the Earth. The future is ours, so let's make it a bright one full of clean air, fresh water, and beautiful nature!篇3Certainly! Here is an essay on "Energy Development, Utilization, and Environmental Protection" written in English from the perspective of an elementary school student, approximately 2,000 words long.Energy: Powering Our Lives and Protecting Our PlanetHave you ever stopped to think about how much energy we use every day? From the moment we wake up and turn on thelights to the time we go to bed at night, energy plays a crucial role in our lives. It powers our homes, our schools, our modes of transportation, and even our favorite gadgets. But where does this energy come from, and how can we ensure that we use it wisely while protecting the environment we all share?Let's start by understanding what energy is. Energy is the ability to do work, and it comes in many forms, such as heat, light, electricity, and motion. We rely on energy for almost everything we do, from cooking our meals to watching TV, and from heating our homes to powering our cars. But did you know that not all energy sources are篇4Energy and the Environment: A Balancing ActEnergy is an essential part of our daily lives, from the lights that brighten our homes to the cars that take us to school and the gadgets we use for fun. But where does this energy come from, and how does it affect the world around us? That's what we'll explore in this essay.Most of the energy we use comes from burning fossil fuels like coal, oil, and natural gas. These fuels are formed from the remains of plants and animals that lived millions of years agoand were buried deep underground. When we burn them, they release the energy stored inside, which can be used to power our homes, vehicles, and industries.However, burning fossil fuels also has a downside – it releases harmful gases like carbon dioxide into the air. These gases trap heat from the sun and cause the Earth's temperature to rise, leading to climate change. Climate change can result in more extreme weather events like hurricanes, droughts, and heatwaves, which can be dangerous for people, animals, and plants.So, how can we continue to use energy while protecting the environment? The answer lies in developing and using cleaner, renewable sources of energy.One such source is solar power. Solar panels can capture the energy from the sun's rays and convert it into electricity. The great thing about solar power is that it doesn't produce any harmful emissions, and the sun's energy is endless and free! Many homes and buildings are now installing solar panels on their roofs to generate their own clean electricity.Wind power is another renewable energy source. Wind turbines use the wind's kinetic energy to spin their blades and generate electricity. Wind farms, which are groups of windturbines, can produce a significant amount of clean energy without polluting the air or water.Hydropower, or the energy derived from moving water, is another clean energy source. Hydroelectric dams use the force of flowing water to spin turbines and generate electricity. While hydropower is renewable, it can sometimes have an impact on the environment by disrupting natural waterways and affecting fish and other aquatic life.Geothermal energy, which comes from the heat inside the Earth, is another renewable source. This heat can be used to generate electricity or to heat and cool buildings directly.In addition to developing and using renewable energy sources, we can also conserve energy by being more efficient in our daily lives. Simple actions like turning off lights when we leave a room, unplugging electronics when they're not in use, and walking or biking instead of driving can make a big difference in reducing our energy consumption and carbon footprint.Governments, businesses, and individuals all have a role to play in promoting energy conservation and the use of renewable energy sources. Governments can provide incentives and policies that encourage the development and adoption of clean energytechnologies. Businesses can invest in renewable energy projects and implement energy-efficient practices in their operations. And individuals can make conscious choices to conserve energy and support clean energy initiatives in their communities.By working together and striking a balance between our energy needs and environmental protection, we can build a more sustainable future for ourselves and future generations. It's a responsibility we all share, and every small action counts.In conclusion, energy is essential for modern life, but we must be mindful of its impact on the environment. By developing and utilizing clean, renewable energy sources like solar, wind, hydropower, and geothermal energy, and by practicing energy conservation in our daily lives, we can meet our energy needs while protecting the planet we call home.篇5Energy Powers Our WorldHi there! Today I want to talk to you about something really important – energy. Energy is what makes the world go round. It powers our homes, schools, cars, and pretty much everything around us. But getting energy isn't always easy, and we have tobe careful not to damage our beautiful planet Earth in the process. Let me explain!What is Energy?Energy is the ability to do work or make things happen. It comes in different forms like heat, light, sound, and motion. We use energy every day for all sorts of things – keeping our homes warm, running our computers and TVs, and even powering the cars and buses that take us places.Where Does Energy Come From?Energy comes from many different sources, both natural and manmade. Some of the main ones are:Fossil Fuels (Coal, Oil, and Natural Gas): These are formed from the remains of plants and animals that lived millions of years ago. We burn them to produce energy, but they release gases that can harm the environment.Nuclear Power: This comes from splitting uranium atoms inside nuclear power plants. It doesn't produce air pollution, but nuclear waste is very dangerous if not handled properly.Renewable Sources:Solar power uses energy from the sun's raysWind power uses energy from the windHydropower uses energy from moving water in rivers and damsGeothermal power uses heat from deep inside the EarthThese renewable sources are better for the environment because they don't run out and don't produce as much pollution.Using Energy WiselyAs the world's population grows, we need more and more energy to power our modern lifestyles. But getting that energy can sometimes damage the environment through pollution, habitat loss, and other problems. That's why it's so important to use energy wisely and find cleaner ways to produce it.Some ways we can use energy better are:Turning off lights and electronics when not in useUsing energy-efficient appliances and light bulbsCarpooling, walking, or riding bikes instead of drivingRecycling and reducing wasteUsing renewable energy sources like solar and wind powerEnvironmental ImpactWhen we burn fossil fuels like coal, oil, and natural gas, they release gases like carbon dioxide into the air. Too much of these "greenhouse gases" can lead to climate change, causing the Earth's temperature to rise. This can disrupt weather patterns, melt ice caps, raise sea levels, and harm people, animals, and plants.Mining and drilling for fossil fuels can also damage ecosystems and habitats. Accidents like oil spills can be terrible for the environment too.Nuclear power doesn't produce greenhouse gases, but nuclear accidents can release dangerous radiation. And dealing with nuclear waste is a big challenge since it stays radioactive for thousands of years.Even some renewable sources like hydropower can impact the environment by flooding land for dams and disrupting fish migration篇6The Importance of Energy and Protecting Our EnvironmentEnergy is something we use every day, but have you ever stopped to think about what it really is and where it comes from?Energy is what makes things happen – it powers our homes, schools, and even the devices we use for fun, like our phones and gaming consoles. Without energy, our lives would be very different!There are many different types of energy sources. Some come from nature, like the sun, wind, and water. These are called renewable energy sources because they can be replenished naturally. Other energy sources, such as coal, oil, and natural gas, are called non-renewable because they come from the ground and once we use them up, they're gone forever.Using Energy WiselyWhile energy is essential for our daily lives, we must be careful about how we use it. Many of the non-renewable energy sources, like coal and oil, release harmful gases into the air when they are burned for energy. These gases, like carbon dioxide, can damage the environment and contribute to climate change.Climate change is a big problem that affects the entire planet. It's causing temperatures to rise, which is melting ice caps and glaciers, raising sea levels, and changing weather patterns. This can lead to more extreme weather events like hurricanes, droughts, and floods, which can be very dangerous and damaging to communities.To help protect our environment and reduce the impact of climate change, we need to be smart about how we use energy. One way to do this is by using more renewable energy sources like solar power (from the sun), wind power, and hydropower (from water). These sources don't release harmful gases into the air, making them much better for the environment.Another way to be energy-wise is by conserving energy, which means using less of it. We can do this by turning off lights and electronics when we're not using them, taking shorter showers, and walking or biking instead of driving when possible. Every little bit helps!The Future of EnergyScientists and engineers are working hard to develop new and better ways to produce and use energy. Some exciting developments include:Improved solar panels that can capture more energy from the sunStronger and more efficient wind turbinesBatteries that can store energy from renewable sources for use when the sun isn't shining or the wind isn't blowingHydrogen fuel cells that can power cars and other vehicles without releasing any emissionsAs we continue to find new and better ways to produce and use energy, it's important that we also continue to protect our environment. After all, we only have one planet, and it's our responsibility to take care of it.What You Can DoEven though you're still a kid, there are lots of things you can do to help conserve energy and protect the environment:Turn off lights when you leave a roomUnplug chargers and electronics when you're not using themTake shorter showersRecycle paper, plastic, and other materialsPlant trees, which absorb carbon dioxide and provide oxygenEncourage your family to use energy-efficient light bulbs and appliancesWalk, bike, or take public transportation instead of driving when possibleEvery little action helps, and if we all work together, we can make a big difference in protecting our planet for generations to come.In conclusion, energy is essential for our modern way of life, but we must be mindful of how we produce and use it. By shifting towards renewable sources and conserving energy, we can reduce our impact on the environment and help mitigate the effects of climate change. It's up。
香港英文测验试题及答案
香港英文测验试题及答案一、词汇与语法选择题（每题2分，共20分）1. The ________ of the meeting was to discuss the new marketing strategy.A. purposeB. pointC. reasonD. goal答案：A2. Despite the heavy rain, the concert was still held as ________.A. planB. scheduledC. arrangedD. programmed答案：B3. The company has been ________ for its poor customer service.A. criticizedB. criticizedC. criticizedD. criticized答案：A4. The new policy will come into ________ next month.A. effectB. affectC. efficientD. effort答案：A5. She is always ________ in her work, which makes her colleagues admire her.A. preciseB. accurateC. exactD. punctual答案：B6. The teacher asked the students to ________ their books and pay attention.A. closeB. shutC. close downD. shut down答案：A7. The ________ of the old factory has caused a lot of controversy.A. demolitionB. destructionC. deconstructionD. devastation答案：A8. The ________ of the project was delayed due to bad weather.A. implementationB. executionC. performanceD. operation答案：A9. The company is trying to ________ its image after the scandal.A. restoreB. recoverC. retrieveD. redeem答案：A10. The ________ of the book is very interesting and thought-provoking.A. contentB. contextC. contextureD. continuity答案：A二、阅读理解题（每题3分，共30分）阅读下面的短文，然后回答11-15题。
气候变化对生物多样性的影响高中英语作文
气候变化对生物多样性的影响高中英语作文Title: The Impact of Climate Change on BiodiversityBiodiversity is the variety of life forms on Earth, including plants, animals, and microorganisms.It is essential for maintaining ecosystem balance and providing essential services such as food, water, and oxygen.However, climate change is posing a significant threat to biodiversity worldwide.In this essay, we will explore the various ways in which climate change is affecting biodiversity and the potential consequences of these changes.One of the primary impacts of climate change on biodiversity is the alteration of habitats.Rising global temperatures lead to the melting of polar ice caps and the warming of oceans, causing habitat loss for many species.For instance, polar bears rely on sea ice for hunting, and as the ice melts, they are losing their hunting grounds.Similarly, coral reefs, which are home to about 25% of all marine life, are dying due to increased ocean temperatures, leading to the loss of biodiversity in the oceanic ecosystems.Another significant impact of climate change on biodiversity is the increase in extreme weather events.Heatwaves, droughts, and storms are becoming more frequent and severe, affecting the survival and reproduction of many species.For example, increased temperatures can lead to shifts in the timing of biological events such as flowering,migration, and breeding, disrupting the natural cycles and causing population declines.Furthermore, climate change is also causing the spread of diseases among wildlife.Warmer temperatures allow disease-carrying organisms such as mosquitoes and ticks to expand their ranges, increasing the risk of diseases for both wildlife and humans.This can have devastating effects on populations of species that are already facing habitat loss and other threats.The consequences of these changes in biodiversity can be far-reaching.Ecosystems that rely on specific species for pollination, seed dispersal, and nutrient cycling can be disrupted, leading to a decline in ecosystem health and productivity.Ultimately, this can affect human well-being, as we depend on healthy ecosystems for food, water, and clean air.In conclusion, climate change is having a significant impact on biodiversity, causing habitat loss, increased extreme weather events, and the spread of diseases among wildlife.The consequences of these changes can be far-reaching, affecting ecosystem health and human well-being.It is crucial that we take immediate action to mitigate the effects of climate change and protect the Earth's biodiversity for future generations.。
环保自然灾害英语作文
环保自然灾害英语作文Title: Environmental Protection and Natural Disasters。
Environmental protection is crucial in mitigating the impact of natural disasters. When we neglect our environment, we increase the vulnerability of communities to various natural calamities. In this essay, I will discuss the relationship between environmental protection and natural disasters, emphasizing the importance of proactive measures to address these issues.First and foremost, the degradation of natural habitats significantly contributes to the frequency and severity of natural disasters. Deforestation, for instance, disrupts ecosystems and increases the risk of landslides and floods. Without the stabilizing influence of trees and vegetation, soil erosion becomes rampant, leading to devastating consequences during heavy rainfall or storms. Therefore, preserving and restoring natural habitats is essential in minimizing the occurrence of such disasters.Additionally, pollution poses a significant threat to both the environment and human health, exacerbating the impacts of natural disasters. Contamination of water bodies with industrial waste and chemicals not only endangers aquatic life but also compromises the quality of drinking water. In the event of floods or hurricanes, polluted water can spread diseases and cause widespread health crises. Hence, stringent measures to reduce pollution levels are indispensable for enhancing resilience against natural disasters.Furthermore, climate change, driven by human activities such as burning fossil fuels and deforestation, is amplifying the intensity and frequency of extreme weather events. Rising temperatures lead to more frequent heatwaves and droughts, while warmer ocean temperatures fuel stronger hurricanes and typhoons. As a result, communities worldwide are facing heightened risks of disasters such as wildfires, hurricanes, and flooding. Addressing climate change through emissions reductions and adaptation strategies is imperative for safeguarding our planet and reducing thelikelihood of catastrophic natural events.Moreover, unsustainable land use practices, such as urban sprawl and improper infrastructure development, can exacerbate the impacts of natural disasters. Building in flood-prone areas without adequate mitigation measures increases the vulnerability of communities to inundation. Similarly, constructing infrastructure in earthquake-prone regions without adhering to robust building codes heightens the risk of casualties and property damage during seismic events. Therefore, adopting sustainable land use planning principles is essential for minimizing the human and economic toll of natural disasters.In conclusion, environmental protection plays a pivotal role in mitigating the impacts of natural disasters. By preserving natural habitats, reducing pollution, addressing climate change, and adopting sustainable land use practices, we can enhance our resilience to various environmental hazards. It is imperative that individuals, communities,and governments work together to prioritize environmental conservation and implement measures to build a moreresilient future for generations to come. Only through concerted efforts can we effectively protect our planet and mitigate the devastating effects of natural disasters.。
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Equipment Impacts of Lead Free Wave Soldering
* This paper was presented at APEX 2003 and received the Best U.S. Paper Award from IPC
Jim Morris Advanced Development Manager Cookson Electronics Equipment Camdenton, MO 65020 Jmorris@ Matthew J. O’Keefe, Ph.D. Associate Professor of Metallurgical Engineering University of Missouri – Rolla Rolla, MO 65049 mjokeefe@
Solutions to prevent the degradation and corrosion are varied and many. Some of the popular methods for the internal nozzle and ducting components are: • • • • All Titanium construction Nitrided Stainless Steel Melonite QPQ Coating Ceramic Coated Stainless Steel
In collaboration with the University of Missouri – Rolla Metallurgical Engineering Department, a variety of the common solder pot materials were tested and analyzed to determine the corrosion effects of high tin (Sn) exposure. Treated and untreated stainless steels were tested along with cast iron, titanium, and Melonite® coated plain carbon steel. Utilizing the data presented, the person responsible for Wave Soldering operations should be able to make good decisions as to what will need to be replaced in his/her existing Wave Solder machine. The data can also be used as a guide to assist in the selection of the proper materials used in a new machine. Field Observations: Older equipment that has been drained and filled with lead free solder has brought to light the severe corrosion that occurs to the internal stainless steel components. Experience has shown that corrosion occurs after as little as six months of operation in high uptime environments. Figure 1 shows a typical failure of an unprotected stainless steel solder flowduct used in a lead free application. Severe erosion and pitting of the metal has occurred and some areas have lost all structural integrity. The most vulnerable stainless steel components are those in contact with flowing solder (i.e. pump impeller, ducts, and nozzles).