Gold recovery from parts-per-trillion-level aqueous solutions by a nanostructured Mn2O3 adsorbent

废旧镀金件回收工艺流程英文回答：The process of recycling waste gold-plated items involves several steps that are aimed at separating the gold from the other materials and refining it for reuse. Let me explain the process in detail.1. Collection: The first step is to collect the waste gold-plated items. These can include old jewelry,electronic components, or any other items that have a layer of gold plating on them. These items are usually obtained from individuals, jewelry stores, or electronic waste recycling centers.2. Sorting: Once the items are collected, they need to be sorted based on their composition. This is important because different materials may require different recycling methods. For example, if the gold-plated items also contain other precious metals like silver or platinum, they need tobe separated first.3. Dismantling: After sorting, the gold-plated itemsare dismantled to remove any non-gold materials. This may involve cutting, grinding, or melting the items to separate the gold layer from the base material. For example, in the case of electronic components, the gold-plated pins or connectors are removed from the circuit boards.4. Chemical Treatment: The next step is to treat the gold-plated items with chemicals to dissolve the gold layer. This can be done using a combination of acids, such asnitric acid or aqua regia. The chemicals react with the gold, leaving behind other impurities.5. Filtration: Once the gold is dissolved, the solution is filtered to remove any solid impurities. This ensuresthat only the gold-containing solution remains.6. Precipitation: The filtered solution is then treated with a reducing agent, such as sodium metabisulfite oroxalic acid, to precipitate the gold. This causes the goldto form solid particles that can be easily separated fromthe solution.7. Refining: The precipitated gold particles arefurther refined to remove any remaining impurities. Thiscan be done through processes like smelting or electrolysis. The end result is pure gold that can be used for various purposes.8. Reuse or Sale: Finally, the refined gold can be reused for manufacturing new gold-plated items or sold to gold refineries or jewelry manufacturers.中文回答：废旧镀金件回收的工艺流程包括几个步骤，旨在将金与其他材料分离并提炼出可再利用的金。

回收贵金属的利弊英语作文Pros and Cons of Recycling Precious Metals。

Recycling precious metals has become a popular way tonot only reduce waste but also to recover valuable resources. However, like any other practice, there are both advantages and disadvantages to consider. In this essay, we will explore the pros and cons of recycling precious metals.Pros:1. Environmental Benefits: One of the most significant advantages of recycling precious metals is the positive impact it has on the environment. By reusing these materials, we can reduce the need for mining and extraction, which can be harmful to the environment. Additionally, recycling precious metals reduces the amount of waste that ends up in landfills, further reducing the environmental impact.2. Conservation of Resources: Precious metals arefinite resources, and recycling them allows us to conserve these valuable materials for future generations. By reusing and repurposing these metals, we can extend their lifespan and reduce the need for new mining and extraction.3. Economic Benefits: Recycling precious metals can also have economic benefits. By recovering and reusing these materials, we can reduce the demand for newly mined metals, which can help stabilize prices. Additionally, recycling can create jobs in the recycling and refining industries, contributing to the economy.4. Energy Savings: Recycling precious metals requires less energy than mining and refining new materials. This can lead to significant energy savings and reduced greenhouse gas emissions, further benefiting the environment.Cons:1. Cost and Complexity: While recycling precious metalscan be beneficial, it is also a complex and costly process. Recovering and refining these materials requiresspecialized equipment and expertise, which can be expensive. Additionally, the process of separating and purifying the metals can be complicated and time-consuming.2. Contamination: Precious metals can become contaminated during the recycling process, reducing their purity and value. Contamination can occur from impuritiesin the materials being recycled or from the use of improper recycling techniques. This can make it more difficult to reuse the metals in high-value applications.3. Limited Supply: While recycling can help conserve precious metals, it is not a limitless source. Eventually, the supply of recycled metals may not be enough to meet demand, leading to the need for new mining and extraction.4. Environmental Impact: While recycling preciousmetals can have environmental benefits, the process itself can also have negative environmental impacts. The use of chemicals and the generation of waste during the refiningprocess can contribute to pollution and environmental degradation.In conclusion, recycling precious metals has both advantages and disadvantages. While it can have significant environmental and economic benefits, it also comes with costs and complexities. As the demand for these valuable resources continues to grow, it is important to carefully consider the pros and cons of recycling precious metals and work towards finding sustainable solutions for their recovery and reuse.。

金子首饰赏析英文作文高中英文回答：Jewelry, a testament to human creativity and ingenuity, has been an integral part of adornment for centuries. From intricate necklaces to elegant earrings, gold jewelry has captivated hearts with its timeless beauty and intrinsic value.Gold, the precious metal, embodies both allure and durability. Its warm, lustrous glow evokes a sense of opulence, while its exceptional malleability allows for intricate craftsmanship. Gold jewelry, therefore, represents a harmonious blend of art and functionality.Necklaces, draped elegantly around the neck, add a touch of sophistication to any outfit. Gold necklaces come in a myriad of designs, from delicate chains to statement-making pendants.Intricate earrings, adorning the ears, draw attention to the face and frame the features. Gold earrings offer a wide range of styles, from classic studs to elaborate chandeliers.Bracelets, encircling the wrist, lend a touch of charm and elegance. Gold bracelets come in various forms, from sleek bangles to ornate cuffs.Rings, worn on fingers, symbolize commitment, love, and personal style. Gold rings come in a vast array of designs, from simple bands to elaborate engagement rings.Gold jewelry, whether a cherished heirloom or a contemporary masterpiece, evokes a sense of timeless elegance and personal connection. Its versatility allows it to complement both formal attire and casual wear, making it an enduring favorite among jewelry enthusiasts worldwide.中文回答：黄金首饰赏析。

Gold English 知多少？∙abolishment of obligatory payments in gold 解除用黄金支付的义务∙Abyssinian gold 埃塞俄比亚假金∙Aix gold leaf 艾克斯假金叶∙alluvial gold 冲积砂金∙anti-gold policies 反黄金政策∙available stocks of gold 可动用的黄金∙blue gold 蓝金; 金铁合金∙Bolley's gold purple 波利紫金色料∙buy and change gold 收兑金银外币∙cadmium gold 镉金装饰合金∙casting gold 铸造金∙cat gold 金色云母∙cataractopiesis with gold (metal) needle 金针拨障∙clutch gold 铜箔∙coin gold 币金∙coinage gold 金币合金∙colloidal gold 胶体金∙colloidal gold test 胶体金试验∙convertibility of dollar into gold 美元兑换黄金∙convertible gold note 可兑换金券∙copper gold 含铜金矿∙current gold and silvercoin 通用金银硬币∙decoration with liquid gold 描金∙devaluation of dollar in terms of gold 美元对黄金的贬值∙Dolgelley gold belt 多尔格利金带∙dollar-gold standard 美元黄金本位∙Dutch gold 荷兰金; 荷兰饰金; 黄铜箔∙embargo on the export of gold 禁止黄金出口∙evaporated gold antimony contact 蒸发的金锑接触∙face-centered cubic copper-gold alloy 面心立方铜金合金∙Figuier's gold purple 菲格尔金紫色料∙filled gold 填金∙fine gold 纯金∙fineness of gold 金成色∙flake gold 片金∙flitter gold 黄铜箔∙flour gold 粉金∙fool's gold 黄铜矿∙fool s gold 黄铁矿∙foreign bills payable in gold 以黄金支付的外国汇票∙four-colo(u)r gold 四色金∙free gold 游离金; 自然金∙free gold bullion basis 金块的自由输出入∙free gold reserve 可动用的黄金储备∙free-milling gold 易汞齐化金∙French gold 铜锌锡合金∙Fuch's gold purple 福契氏紫金颜料∙fulminating gold 雷酸金∙germanium-gold eutectic mixture 锗金低共熔混合物∙gold 金; 黄金∙gold 18 carats pure 十八开金∙gold alloy solder 金合金焊∙gold analyzer 黄金含量分析仪∙gold and silver assay 金银鉴定∙gold and silver control 金银管理∙gold assay 金鉴定∙gold auctions 拍卖黄金∙gold blackbody 金黑体∙gold blocking 烫金∙gold bond 以黄金偿付的债券∙gold bonding wire 金键合线; 金连接线∙gold bonds 金债券∙gold brick 金砖∙gold bronze 金青铜∙gold bullion 金锭∙gold bullion market 金块市场∙gold bullion standard 金块本位; 纯金本位制∙gold bullion standard system 金块本位制∙gold card 金卡∙gold certificate 金券∙gold certificate (美国) 金库券∙gold chloride 氯化金∙gold coin and bullion 金币和金块∙gold coin clause 金币条款∙gold coin standard 金币本位; 金铸币本位制∙gold coin standard system 金铸币本位制∙gold coins 金币∙gold colloidal 放射性胶体金∙gold currency 金本位货币∙gold currency standard 金通货本位制∙gold currency standard system 金本位制∙gold cushion 烫金垫∙gold cyanide 氰化金∙gold detector 黄金探测器∙gold dichloride 二氯化金∙gold dioxide 二氧化金∙gold dollar bill 美币票据∙gold doping 掺金∙gold dredger 采金船∙gold dust 金粉∙gold embargo 禁止黄金出口∙gold exchange 金汇兑∙gold exchange standard 金币兑换制∙gold exchange standard (GES) 金汇兑本位制∙gold exchange standard system 金汇兑本位制∙gold filigree 金属镶嵌∙gold film mercury detector 金膜测汞仪∙gold fix 议定金价∙gold foil 金箔∙gold franc 金法郎∙gold hydroxide 氢氧化金∙gold ingot 金锭∙gold issues 金矿股票∙gold laser 金激光器∙gold mines index 金矿指数∙gold mining 采掘黄金∙gold money 金币; 金货币∙gold number 金值∙gold number test 金值试验∙gold ore 金矿∙gold oxide 氧化金∙gold parity 金平价∙gold pin porcelain tooth 黄金钉瓷牙∙gold plate scissors 金片剪∙gold plated contact 镀金触点∙gold plated frame 镀金镜架∙gold plated PVC flexible hose 镀金聚氯乙烯软管∙gold plated watch bracelet 镀金表链∙gold plating 镀金∙gold plating thickness 镀金厚度∙gold plugger 金箔充填器械∙gold point 金点; 输金点∙gold polyneuritis 金中毒性多神经炎∙gold potassium chloride 氯化金钾∙gold potassium cyanide 氰化亚金钾∙gold powder 金粉∙gold premium policy 金币升水政策∙gold price fluctuations 金价波动∙gold ripeness 黄熟∙gold rush 淘金热∙gold salt 氯化钠金∙gold sandwich contact 金夹层接触∙Gold schmidt 铝热焊∙gold shares 金矿股票∙gold size 金胶; 贴金漆∙Gold slide 戈尔德计算尺∙gold sodium chloride 氯化钠金∙gold sodium cyanide 氰化钠金∙gold sodium thiomalate 硫代苹果酸金钠∙gold sodium thiosulfate 硫代硫酸钠金∙gold solder 金焊∙gold specie standard 金币本位∙gold spot 金斑病∙gold spring 金簧∙gold stamping 烫金∙gold standard 金本位; 金本位制∙gold standard act 金本位制法∙gold standard system 金本位制∙gold sterilization 限制黄金作用的货币政策∙gold sterilization policy 限制黄金作用的货币政策∙gold stomatitis 金毒性口炎∙gold stoving varnish 金色烤漆∙gold tail moth 桑毛虫∙gold tooling 烫金工具∙gold tribromide 三溴化金∙gold trichloride 三氯化金∙gold tricyanide 三氰化金∙gold trihydroxide 三氢氧化金∙gold trioxid 三氧化二金∙gold trisulfide 三硫化二金∙gold-black coating 金黑涂层∙gold-bonded contact 金键合接触∙gold-bonded diode 金键二极管∙gold-bricking 限制生产定额∙gold-doped 掺金的∙gold-doped germanium 锗掺金∙gold-doped germanium detector 掺金锗探测器∙gold-doped germanium infrared detector 掺金锗红外探测器∙gold-doped transistor 掺金型晶体管∙gold-filled 包金∙gold-film glass 包金膜玻璃; 涂金膜玻璃∙gold-imitation processing technology 仿金工艺技术∙gold-overlaid 贴金∙gold-plating 镏金∙gold-platinum alloy clasp-wire 金铂合金卡环丝∙gold-point blackbody 金点黑体∙gold-secured loans 以黄金作抵押的贷款∙gold-sol reaction 金胶液试验∙gold-sol test 金胶液试验∙gold-vanadium alloy 金钒电阻合金∙greasy gold 纯金∙green gold 绿金∙gulch-gold 砂金∙high-purity gold 高成色黄金∙honey-gold 蜜黄色∙hot-pressed gold 热压金∙Hume gold flow equilibrating mechanism 休姆黄金流动平衡作用∙imitation gold yarn 充金线∙import gold point 进口黄金点∙instability of gold market prices 市场金价的不稳定∙isinglass gold-size 鱼胶贴金漆∙Japanese blue gold 日本蓝金∙lacquer with gold design 描金漆器∙legal gold content 法定含金量∙legally prescribed gold content 法定含金量∙liquid bright gold 液体亮金∙liquid palladium gold 钯金水∙lode gold 脉金∙London gold market 伦敦黄金市场∙Manila gold 马尼拉假金∙Manilla gold 铅黄铜∙Mannheim gold 曼海姆金; 曼海姆铜锌锡代金合金∙milk gold 乳金∙minimum ratio of gold reserve 最低黄金准备比率∙Mock gold 莫克金; 莫克铜铂合金; 铂铜合金∙mosaic gold 仿金铜箔∙Mosaic gold 莫塞克黄铜型假金; 铜锌合金∙mosaic gold alloy 嵌镶金合金∙moss gold 苔状金∙mountain gold 山金∙mussel gold (色料) 淡菜金∙native gold 自然金∙new gold exchange standard system 新金汇本位制∙non-monetary gold 非货币性黄金∙nonmonetarized gold 非货币化黄金∙nonmonetary gold 非货币化黄金∙Nuremberg gold 铜铝金装饰合金∙off the gold standard 放弃金本位∙official gold content 法定含金量∙official gold price 法定金价∙official stipulation on the gold content 法定含金量∙open-face gold crown 露面金冠∙palladium-gold polarium 钯金合金∙paper gold (国际货币基金组织特别提款权的别称) 纸黄金∙parity of gold and silver 金银比价∙pink gold 金银铜镍装饰合金∙potassium gold chloride 氯化金钾∙potassium gold cyanide 氰化亚金钾∙powdered gold 粉化金∙primary gold-bearing sulfide 原生含金硫化物∙proof gold 纯金∙proof gold (试金用) 标准金∙pure gold 纯金; 赤金; 足金∙raise gold content 提高含金量∙Ranvier's gold chloride staining method 朗飞氏氯化金染色法∙ratio of gold and silver 金银比价∙red gold 纯金∙red gold alloy 红金合金∙reef gold 石英脉金∙refractory gold 难选金∙rich gold metal 金争黄铜∙rolled gold 轧制金箔; 金箔; 包金∙rolled gold watch 包金表∙run on gold against US dollars 美元挤兑黄金的风潮∙rusty gold 锈金; 难混汞的金; 自然金∙seamless gold crown 无缝金壳冠∙self-recording gold-leaf electroscope 自记式金箔验电器∙sintered gold 烧结金∙sodium gold chloride 氯化钠金∙sodium gold cyanide 氰化钠金∙solid gold 纯金; 赤金; 足金∙solid-gold chain 纯金项链∙solid-gold pendant 纯金挂件∙spring gold 弹簧金∙standard gold 标金; 标准金∙sterling gold 标准纯金∙stream gold 河金∙suspension of the dollar's conversion into gold 美元停止兑换黄金∙Swiss gold franc 瑞士金法郎∙Swiss gold-trading pool 瑞士黄金联营∙Talmi gold 镀金黄铜∙tilted gold-leaf electrometer 倾斜金箔静电计∙two-tier gold market 双重黄金市场∙two-tier gold price system 双重金价制∙Waechtler's gold purple 威奇特勒紫金色料∙white gold 白金∙white gold alloy 白色金银合金∙white gold jewelry alloy 白金首饰合金∙white gold solder 白金焊料∙winnowing gold 风选金矿法∙yellow gold 金银铜合金∙yelow gold 黄银铜合金。

1金砖的烧造历史用砖、石所铺墁的地面，在清官式做法中称作“墁地”，紫禁城所用的墁地砖大都使用产自山东临清的城砖和产自苏州一带的金砖。

我国铺墁地砖的历史从两千多年前的春秋时期就已出现，但其材质、工艺等与金砖无法相比[1]。

金砖，明代称之为细料方砖，清代改称为金砖，是皇家建筑专用的一种高规格铺地材料，属于钦工物料，即便是残次或者废弃的金砖也要严格管理，不得流向民间[2]。

1.1金砖的产地、规制尺寸和款识明永乐年间，明成祖朱棣迁都北京后大兴土木建造紫禁城，经由苏州香山帮工匠的推荐，陆慕砖窑被工部选中，由于产砖质量优良，受到永乐皇帝的称赞，赐名窑场为“御窑”[3]。

从历史档案中也可获知，万历本《大明会典》卷一百九十记载：“凡遇营建宫殿，苏州窑烧造细料方砖”,康熙本《苏州府志》卷十二记载：“窑作,出齐门陆慕，工部用官砖，于此烧造”，也说明明清两代皇家宫殿所用金砖多产自苏州一带。

金砖通常有一尺七寸、二尺、二尺二寸三种尺寸规格，见图1和图2。

明代至清雍正时期，所造金砖只有一尺七寸和二尺两种规格，在乾隆时期出现了二尺二寸金砖的记录。

乾隆四年六月初九日江苏巡抚张渠在奏折称“尚有二尺二寸金砖，砖身俞大，烧造愈难，且事属创始”，乾隆二十九年颁布的《钦定大清会典》明确：苏州窑金砖“大者方二尺二寸，次二尺，次尺有七寸”，从此金砖的三种烧造尺寸便确定下来。

出窑的每块金砖都详细铭刻金砖的款识，记录烧造此砖的相关信息，包含官款（官员姓名、官职、属地）、年款（名称、尺寸、年号）、窑款（窑户姓名、里甲）等内容，使用款识的目的主要便于追究责任，以备查验和惩处。

1.2金砖的选材及烧制工艺苏州河床内有多年沉积的泥沙，质地细腻，含铁量浅析故宫古建筑室内金砖及其保护修复研究——以太和殿为例房晓明（故宫博物院，北京100009）摘要：苏州等五府烧造的金砖作为钦工物料在明清宫殿中使用十分广泛，是皇家建筑中铺地所使用的高规格细料方砖，主要应用于宫殿、坛庙、陵寝等高等级官式建筑，其缝严如骔、光似墨玉、坚硬密实。

2024年湖北省普通高中学业水平合格性考试英语（五）（答案在最后）本试卷共8页46小题。

全卷满分100分。

考试用时90分钟。

本试卷由阅读理解、语言知识运用、书面表达三个部分组成。

注意事项：1. 答卷前，考生务必先将自己的姓名、准考证号、座位号填写在试卷的密封线内。

2. 选择题的作答：每小题选出答案后，用2B铅笔把答题卡上对应题目的答案标号涂黑、涂匀、涂实，未涂、错涂、多涂或填涂不规范均不得分。

如需改动，用橡皮擦干净后，再选涂其他答案标号。

3. 非选择题的作答：用黑色签字笔将答案写在答题卡上对应的答题区域内，超出答题区域书写的答案无效。

4. 考试结束后，请将本试卷上交。

第一部分：阅读理解（共两节，满分50分）第一节（共15小题；每小题2.5分，满分37.5分）阅读下列短文，从每题所给的A、B、C三个选项中，选出最佳选项，并在答题卡上将该项涂黑。

AHomelessness is on the rise in the UK, and an ongoing issue for concern worldwide. We're looking at some of the new global projects designed to provide shelter, or help turn around the lives of those faced with sleeping rough（露宿）.Life-changing coffee, LondonThis new project, backed by The Big Issue, is providing homeless people with work in a booming（急速发展的）industry. Change Please is taking advantage of the nation's love of coffee by setting up a number of mobile coffee trucks and paying homeless people the living wage to run and work at them.Mobile laundry（洗衣房）service, AustraliaTwo friends in Brisbane, Australia, have started a mobile service to help homeless people keep their clothes and bedding clean. But it doesn't stop at clean clothes, the project is aiming to pair up with food vans（厢式货车）, so that those visiting can get a good, hot meal while they wait for their belongings.Awareness-raising shelter, CanadaRainCity teamed up with Spring Advertising to create a bench that folds out to provide a simple shelter. Though they're not a permanent feature in the city, they have certainly done their part in raising awareness of the problem of homelessness in Vancouver and worldwide.1. Which project provides homeless people food?A. Life-changing coffee.B. Mobile laundry service.C. Awareness-raising shelter.2. What's the purpose of the project in Canada?A. To raise awareness of the homeless.B. To supply the homeless with clothes.C. To teach the homeless how to earn a living.3. Who are the targeted people for these three projects?A. The poor.B. The homeless.C. The hungry.BWhen Ariel Cordova rode her bike to Jamaica Bay Wildlife Refuge in Queens, New York, last November, she planned to go hiking and bird-watching. A mile into her walk, she spotted a beautiful female mute swan near the water's edge. Cordova, 30, who had worked at the Wild Bird Fund recovery center, knew that mute swans can be aggressive（侵略性的）. But as she approached this one, it didn't move.She was certain that the bird needed medical attention. Cordova draped（披，悬挂）her jacket over the bird's head to keep it calm, carefully picked it up, and held it gently in her arms. She was wondering how to transport a 17-pound swan on her bike to the recovery center when, luckily, some confused strangers driving by offered her, her bike, and the swan a lift to a nearby subway station. Cordova called the recovery center on the way, and Tristan, an animal care manager, picked her up at the subway station and drove the bird, the bike, and the rescuer to the facility（场所）. There, staff members determined that the swan might have lead（铅）poisoning. Sadly, even with all that tender loving care, the swan got contracted, which caused her passed away two months after being rescued.It's a disappointing ending, but the real story is just how far some people are willing to go to save a swan in the big city. In all, Cordova traveled two hours by foot, car, and subway. "That's the perfect summary of who she is," says Tristan.4. What made Cordova believe the bird needed medical attention?A. Its careful move.B. Its aggressive nature.C. Its unusual behavior.5. How did Cordova finally get to the recovery center?A. She walked two hours.B. A manager took her by car.C. Some stranger picked her up.6. What does the underlined word "contracted" in Paragraph 2 mean?A. Infected.B. Rescued.C. Killed.7. Which of the following can best describe Cordova?A. Caring.B. Demanding.C. Professional.CThe Asian Games are a comprehensive（综合性的）sport event in Asia, organized by the Asian Olympic Council every four years. The first Asian Games were held in New Delhi, India in 1951. China has hosted two Asian Games in Beijing and Guangzhou in 1990 and 2010 respectively.Compared with other international comprehensive sports events, the Asian Games have non-Olympic sports. The Hangzhou Asian Games will be the largest comprehensive sports event in Asia ever, with 40 sports including 61 sub-ones and 481 gold medals to be awarded. There are symbolic sports representing Asia such as wushu, sepak takraw, cricket and ju-jitsu, and emerging ones that are popular with the youth such as skateboarding, sport climbing, e-sports and breaking（霹雳舞）, with the latter two newly-introduced in this Games. The Hangzhou Asian Games will present the diversity and inclusiveness（包容性）of Asian sports culture.Boasting the West Lake and known as "paradise on earth", Hangzhou is one of the birthplaces of Chinese silk, calligraphy, painting, printing and seal cutting（篆刻）, and a city with artistic conception and innovative vitality（活力）, leading in the areas of Internet and digital economy in China.The Games' three mascots（吉祥物）named Chenchen, Congcong and Lianlian are three robots carrying cultural and modern meanings. The three represent the Liangzhu Archaeological Ruins, the West Lake and the Grand Canal in Hangzhou respectively.The city and the green, intelligent, cultural and civilized Asian Games are welcoming you.8. How many years has passed since the first Asian Games been held?A. Over seventy years.B. Over one century.C. Almost fifty years.9. What is special about Hangzhou Asian Games?A. It has a lot of non-Olympic sports.B. It will be introduced two new events.C. It is the largest sports event of all time.10. What is Hangzhou known for in terms of its industries?A. Clothes production.B. Oil and gas exploration.C. Internet and digital economy.11. What's Paragraph 4 mainly about?A. The places of interest in Hangzhou.B. The features of Hangzhou Asian Games.C. The mascots of Hangzhou Asian Games.DWalk along any beach in the world and you will find plastic of some kind washed up on the shoreline, offering a reminder（提醒人的事物）of the throwaway culture of the present day world. Now, a new study has sounded a fresh warning on the damage caused to the marine ecosystem（海洋生态系统）due to plastics thrown away, which finally has an effect on human health due to the seafood we eat.In a paper titled A Growing Plastic Smog published on March 8 in the research journal Plos One, researchers called on governments around the world to take thorough action to address the "plastic pollution" of the world's oceans.No one knows for certain what the long-term damage will be to marine life and humans, but the study placed the blame on the plastics industry for failing to recycle or design for recyclability.Marcus Eriksen, lead author of the study, said in a statement that the findings were a "obvious warning that we must act now at a global scale". "We've found an alarming trend of exponential（指数的）growth of microplastics in the global ocean since the millennium（千禧年）, reaching over 170 trillion plastic particles," said Eriksen, adding that the exponential increase in microplastics across the world's oceans makes it essential to guide in an age of shared responsibility for the entire life of the things they make.12. What does the new research's finding focus on?A. The polluted seafood.B. The bad effect of plastic pollution.C. The damage caused by marine ecosystem.13. Who should take responsibility for the damage caused by plastic pollution?A. The plastics industry.B. Governments.C. Common people.14. What is Marcus Eriksen's attitude to the increasing microplastics in the ocean?A. Doubtful.B. Unclear.C. Concerned.15. What is the suggested solution to the issue of plastic pollution?A. Banning plastic production.B. Designing recyclable plastics.C. Promoting shared responsibility.第二节（共5小题；每小题2.5分，满分12.5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，并在答题卡上将该项涂黑。

外文文献Gold refining technology introductionGold ore in the content is extremely low, in order to extract gold, need to will be broken and fine grinding ore and adopt。

With the mineral processing or enrichment from ore in advance that gold is isolated. Gold ore dressing is used in moreRe-election and flotation, re-election method in ShaJin production in an important position, flotation method is rock gold mine。

Widely use of mineral processing mountain, at present our country about 80% of the rock gold mines use this law to choose gold, choose。

Ore technology and equipment level is distinctly improved.(A) Broken and grindingAccording to the survey, our country choose gold in the jaw crusher for crushing, using standard cone broken. Ore machine broken, and finely used the short head type tapered roller machine and broken mine to break mine machine. Medium and small choose.Gold factory is used mostly for two broken a closed-circuit ore, large choose the three sections of a gold factory closed-circuit broken mine process. In order to improve the dressing production ability, mining equipment potential, broken mine to process, the reform.Grinding machine utilization coefficient increase, the major measures taken the little mill is broken, reduce ore into the ground particle size.(B) Re-electionRe-election in rock gold mine apply more extensive, and more as aided process, in the grinding loop of the recovery. Coarse grain of gold, for flotation and cyanide process to create favorable conditions, improve concentration index, improve the total return to gold. The yield, to increase production and reduce the cost is playing a positive role. Shandong province about more than 10 pick. Gold factory used heavy choose this one process, the average total recovery can be increased 2% ~ 3%, the enterprise economic effectGood profit, according to not complete count, may have millions of dollars a year of the profits. Henan, hunan, Inner Mongolia, etc. Provinces (areas) also have good effect, the main equipment is chute, wave bed, jig and short cone. Vortex machines etc. From our mostgold mine to see, float-heavy joint process (flotation tailings used heavy Choose) suitable for.(C) FlotationAccording to the survey, 80% of rock in the gold mines flotation method selected gold, the output of the concentrate more. Sent to non-ferrous smelter processing. Because of leaching gold cyanide process of development and enterprise to improve economic efficiency. Good, reduce concentrate transportation loss, in recent years the product structure has experienced a greater change, take more local processing (of course also because of mineral smelting and the contradiction between the problems and valuation, forcing the mine in situ to place Richard) prompted the flotation process have larger development, in the gold production occupies an important position in the. Usually Priority of flotation and mixing floatation two craft. In recent years in the process modification and potions add system .With new progress, flotation recoveries also increased significantly. More than 40 selected according to the national gold factory, flotation work.(D) The choose-leaching gold technology sector1. Mix mercury law of leaching goldMix mercury method of leaching gold process is a kind of old mention gold process, easy, and economic, and is suitable for coarse grains. Monomer recovery of gold. Our country many gold mine still follow the method. Along with the development of the gold production and the progress of science and technology, mix mercury law of leaching gold process is also constantly have improved and perfected. Due to the environment.The increasingly strict requirements, some mining cancelled mix mercury assignments, as heavy choose, the flotation and cyanide process of leaching gold.process replaced. In the gold production, mixed mercury method of leaching gold technology still has its important role in the domestic and foreign are should be with a practical example. At present in zhangjiakou, hebei province, liaoning erdaogou, jilin jiapigou, shandong etc many gold incorporated. Mine the process application. Liaoning erdaogou gold mine was a single flotation process, according to the ore properties instead.2. Of leaching gold cyanide process technologyCyanide process technology of leaching gold from oreconcentrate is modern or extraction of the main method of gold. Cyanide process mention.Gold technologies include: by roasting-cyanide leaching process, leaching of pulp washing filtering, kau liquid or are the cicc pulp.The extraction and the finished product and so on several basic processes of smelting. China's gold mines are the two basic existing factory. Kind of leaching gold process, one kind is dense continuous against washing machine, with zinc powder replacement precipitation back. The gold of so-called ordinary cyanide process of leaching gold process (CCD method and CCF law), the other is without filter washing, the active carbon adsorption in the pulp are directly from the recovery of gold without filter are carbon plasma process (CIP method and CIL law).Ordinary cyanide process of leaching gold process according to the different materials handled and two .(E) Heap leaching process for productionGold resources in China, low grade oxidation of ore has certain proportion, deal with this kind of ore.The routine of leaching gold cyanide process technology not economically viable, and the production process heap leaching, there are economic effect. The victims. Further expand the production scale heap leaching, is increase China's gold production of one of the path.20. At the end of the 70 s, China began to low grade contain gold ore heap leaching oxidation of the production process research, liaoning dandong hushan gold small-scale production trials are successful, successively in henan spirit lake, silver Hole slope, yunnan MoJiang, hebei worship ritual, Inner Mongolia and some of the mine in chifeng application, take more satisfactory economic effect, low grade for the gold ore containing the oxidation of the development and utilization of the opened up.。

Gold ExperienceIntroduction to Gold ExperienceGold Experience is an immersive and interactive event that offers a unique opportunity to explore the world of gold. This event brings together enthusiasts, experts, and industry professionals to provide an exciting and educational experience. Whether you are curious about the history and science behind gold, interested in investing in gold, or simply appreciate its beauty, Gold Experience is the perfect event for you.The History of GoldGold has fascinated humans for centuries. Its allure can be traced back to ancient civilizations, where it was revered as a symbol of wealth and power. The Egyptians adorned their pharaohs with gold jewelry, while the Greeks and Romans used it for coins and decorative arts. The discovery of gold in California in the mid-19th century sparked the famous gold rush, leading to a significant increase in gold production and the establishment of prosperous communities.The Science of GoldGold is a unique element with several remarkable properties. It is a highly malleable metal, which means it can be easily shaped and manipulated into intricate designs. It is also an excellent conductor of electricity, making it widely used in electronic components. Additionally, gold is resistant tocorrosion and tarnish, making it ideal for creating durable and long-lasting jewelry.Investing in GoldGold has always been considered a safe-haven investment. During times of economic uncertainty, gold tends to retain its value or even increase in price. It is seen as a hedge against inflation and a way to diversify investment portfolios. The Gold Experience event will provide valuable insights into various investment options, including physical gold, gold-backed securities, and gold mining stocks. Experts will share their knowledge and strategies to help attendees make informed investment decisions.Exploring Gold JewelryGold jewelry has been worn and cherished for centuries. It comes in various forms, including rings, necklaces, bracelets, and earrings. In addition to its aesthetic appeal, gold jewelry carries cultural and symbolic significance in different parts of the world. The Gold Experience event will showcase a wide range of stunning gold jewelry designs from different eras and cultures. Attendees will have the opportunity to learn about goldsmithing techniques and even try their hand at creating their own personalized gold jewelry.Gold Mining and Sustainable PracticesGold mining has a significant impact on the environment, and responsible and sustainable mining practices are crucial for preserving the natural ecosystem. The Gold Experience event will feature discussions and presentations on the latesttechnologies and practices in sustainable gold mining. Experts from the industry will share their knowledge on how mining companies are minimizing their environmental footprint and improving social responsibility.ConclusionGold Experience is a must-attend event for anyone interested in exploring the fascinating world of gold. With its rich history, scientific properties, investment potential, and stunning jewelry, gold has something to offer to everyone. Whether you are a collector, investor, or simply intrigued by its beauty, the Gold Experience event will provide a comprehensive and immersive experience. Join us for an unforgettable journey into the golden world of gold!。

黄金热降温后的末日生存者What happens when gold may no longer glitter enough to stave off the financial apocalypse?如果光彩耀眼的黄金再也不足以抵御金融灾难，情况会怎样呢？The precious metal, a big beneficiary at quantitative easing's outset as investors sought a hedge against possible inflation, has been steadily declining. During the first round of QE in December 2008, the price of gold was $837.50 an ounce. The precious metal's longer term run-up kicked into overdrive, with the price peaking in September 2011 at $1, 922. Of course, this ultimately represented a dependency trap -- in April the price dropped 30%, in part on fears that QE would be coming to an end. Today, gold sits at around $1, 371, a 20% drop in six months.美联储实施量化宽松之初，黄金是主要的受益者，原因是投资者纷纷设法防范可能出现的通货膨胀。

随后，黄金价格开始持续稳步下跌。

2008年12月首轮量化宽松期间，金价为每盎司837.50美元（5167.38元人民币）。

长时间的上涨造成金价过高，2011年9月黄金价格在1922美元（11858.74元人民币）见顶。

镀金件回收工艺流程英文回答：Gold-plating is a common process used in various industries, such as jewelry, electronics, and even aerospace. The process of recycling gold-plated items involves several steps to extract the gold from the plated surface. In this response, I will outline the general process of gold-plating recycling.1. Collection and Sorting:First, the gold-plated items are collected from various sources, such as discarded electronics, old jewelry, or industrial waste. These items are then sorted based ontheir type and composition. For example, jewelry items with different karatage or electronics with different plating thickness may require separate processing.2. Disassembly:Next, the collected items are disassembled to separate the gold-plated components from other materials. For instance, in the case of electronic waste, the circuit boards are separated from other components like plastic casings or connectors.3. Chemical Stripping:Once the gold-plated components are separated, they undergo a chemical stripping process to remove the gold layer. This process involves immersing the components in a specialized solution that dissolves the gold layer, leaving behind the base material. The stripped gold is then recovered from the solution through further chemical processes.4. Precious Metal Recovery:After the gold is stripped from the plated components, it is further processed to recover the pure gold. This can be done through various methods, such as electrolysis orsmelting. These processes separate the gold from any impurities or other metals present, resulting in a pure gold product.5. Refining and Purification:The recovered gold may still contain impurities, such as traces of other metals or contaminants. To ensure high purity, the gold is subjected to refining and purification processes. These processes involve further chemical treatments or melting to remove any remaining impurities and obtain a final product of high-quality gold.6. Reuse or Sale:Finally, the recycled gold can be reused in various applications or sold to gold refineries or manufacturers. The gold can be used to create new jewelry, electronic components, or even as an investment.中文回答：镀金件回收工艺流程涉及多个步骤，用于从镀金表面提取金。