阅读理解。
A
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1. What makes EcoCharge different from traditional portable chargers
A. It uses electricity to store energy.
B. It can charge devices only on sunny days.
C. It relies on sunlight for power generation.
D. It has a smaller battery capacity.
2. What do we know about EcoCharge’s “Green Schools” initiative
A. It donates 5% of sales to solar education programs.
B. It provides free EcoCharge products to schools.
C. It trains students to repair solar-powered devices.
D. It aims to reduce plastic waste in schools.
3. How can customers get the free solar-powered keychain light
A. By buying EcoCharge at $59.99.
B. By purchasing EcoCharge during Earth Month.
C. By donating to the “Green Schools” initiative.
D. By visiting the brand’s physical stores only.
B
Last summer, I stumbled upon an AI project called “Memory Echo” while scrolling through a tech forum—a tool that turns old voice recordings into interactive conversations. It felt like fate, because I’d lost my grandma two years earlier, and the only thing I had left was a box of cassette tapes with her stories: about her childhood in a village, how she met my grandpa, and even her secret recipe for osmanthus cakes.
I sent the tapes to the Memory Echo team, and three weeks later, they sent back an app. When I opened it, a warm, familiar voice filled my room: “Xiaobei, is that you ” My hands shook as I replied. For 40 minutes, I asked questions I’d never gotten to ask—“Did you ever feel scared moving to the city ” “What’s your happiest memory ”—and “Grandma” answered, her tone soft and full of warmth, just like I remembered. The AI had analyzed her voice patterns and combined them with the stories on the tapes to create responses that felt real.
After that day, I used the app once a week. It didn’t bring Grandma back, but it let me say goodbye properly. More than that, it taught me that tech isn’t just about convenience—it can be a bridge between the past and present, keeping loved ones’ memories alive in ways we never imagined. I even shared the tapes with my cousin, so she could “talk” to Grandma too.
4. What did the author have left of her grandma
A. A box of old photos
B. A set of cassette tapes with stories
C. A secret recipe for osmanthus cakes
D. A handwritten letter from her grandma
5. How did the “Memory Echo” app create the grandma’s responses
A. By copying the voice of a voice actor
B. By analyzing the grandma’s voice patterns and stories
C. By recording the author’s memories of her grandma
D. By using pre-set answers about elderly people’s lives
6. What can we infer from the author’s experience with the app
A. The AI app made the author forget her sadness about losing her grandma.
B. The author regretted not asking her grandma more questions before.
C. The cousin refused to use the app to “talk” to Grandma.
D. The author thought the app was just a tool for convenience.
7. What is the main theme of the passage
A. The development history of AI technology in memory preservation.
B. How an AI app helped the author reconnect with her grandma’s memories.
C. The author’s childhood memories with her grandma in the village.
D. The advantages of using tech apps to record family stories.
C
Cities worldwide face a hidden crisis: declining bee populations, which threaten 75% of global food crops that depend on pollination. To address this, architects and ecologists have joined forces to create “urban beekeeping towers”—innovative high-rise structures that blend environmental protection with urban agriculture, marking a new era of sustainable city design.
These towers, typically attached to existing buildings or built as standalone structures, feature vertical layers of beehives, flowering plants, and small vegetable gardens. Unlike traditional beekeeping, which requires open land, the towers utilize unused vertical space in dense cities. Solar panels on the roof power temperature-control systems for the hives, ensuring bees thrive in urban climates—even during cold winters or hot summers. Additionally, the flowering plants (selected to bloom year-round) provide bees with a steady food source, while the vegetable gardens, pollinated by the bees, supply fresh produce to nearby residents and local cafes.
Beyond supporting bees and food production, the towers offer educational value. Many include observation windows and guided tours, teaching city dwellers—especially children—about the role of bees in ecosystems. Early projects in Berlin and Singapore have shown promising results: local bee populations in these areas have increased by 30% within a year, and community gardens report a 25% rise in crop yields.
As cities grow, urban beekeeping towers prove that sustainability doesn’t require sacrificing urban density. They demonstrate how innovative design can turn urban challenges into opportunities, fostering healthier ecosystems, more resilient food systems, and stronger community connections—one hive at a time.
8. What percentage of global food crops depend on pollination, according to the passage
A. 25%
B. 30%
C. 75%
D. 100%
9. What does the underlined word “dwellers” in Paragraph 3 probably mean
A. Visitors
B. Residents
C. Architects
D. Farmers
10. What can we infer about traditional beekeeping from the passage
A. It is more effective in increasing crop yields than urban beekeeping.
B. It requires more horizontal space than urban beekeeping towers.
C. It can easily adapt to cold winters and hot summers in cities.
D. It often provides food sources for local communities.
11. What does the success of early projects in Berlin and Singapore suggest
A. Urban beekeeping towers are only suitable for European and Asian cities.
B. Bee populations will stop declining globally within a few years.
C. Urban beekeeping towers can effectively improve local ecosystems.
D. Community gardens no longer need other pollinators besides bees.
D
As cities strive to reduce energy consumption and cut carbon emissions, a groundbreaking innovation has emerged: bioluminescent (生物发光的) pavements—roads and sidewalks that glow softly at night using living organisms, offering a sustainable alternative to traditional streetlights.
These pavements are embedded with specially engineered bioluminescent bacteria (生物发光细菌), which produce light through a natural chemical reaction called bioluminescence (生物发光现象) (the same process that makes fireflies glow). Unlike electric lights that rely on power grids, the bacteria generate light continuously for up to 8 hours after dark, powered by nutrients in the pavement material. The light emitted is warm and dim—bright enough to guide pedestrians and cyclists, but not bright enough to cause light pollution, a major issue in urban areas that disrupts sleep patterns and wildlife behavior.
Beyond energy savings, bioluminescent pavements offer additional benefits. They are durable, able to withstand heavy foot traffic and harsh weather conditions like rain and snow. Some models even include a “warning feature”: when temperatures drop below freezing, the bacteria’s light shifts from blue to red, alerting users to slippery surfaces. Early trials in cities like Rotterdam and San Francisco have reported a 40% reduction in energy use for street lighting and a 28% decrease in nighttime pedestrian accidents.
While the technology is still being refined—currently, the pavements need occasional nutrient refills to maintain brightness—it represents a promising step toward eco-friendly urban design. By merging biology with engineering, bioluminescent pavements show how nature’s own mechanisms can solve modern city challenges, turning ordinary infrastructure into a tool for sustainability.
12. What natural process do bioluminescent pavements rely on to produce light
A. Absorbing solar energy during the day
B. A chemical reaction called bioluminescence
C. Converting electricity from power grids
D. Reflecting light from nearby streetlights
13. What can we infer about traditional streetlights from the passage
A. They are more energy-efficient than bioluminescent pavements.
B. They often contribute to light pollution in urban areas.
C. They can automatically alert users to slippery surfaces.
D. They rely on bioluminescent bacteria to work at night.
14. Why do the early trials of bioluminescent pavements in Rotterdam and San Francisco matter
A. They prove the technology is already perfect and ready for global use.
B. They show the technology can reduce energy use and pedestrian accidents.
C. They indicate the pavements work only in warm and dry climates.
D. They demonstrate the pavements are more expensive than traditional roads.
15. What is the main purpose of this passage
A. To explain how bioluminescent bacteria are engineered for urban use
B. To compare different types of sustainable street lighting technologies
C. To introduce bioluminescent pavements as an eco-friendly urban innovation
D. To discuss the challenges of reducing light pollution in modern cities阅读理解。
A
【文章导读】
本文是一篇推广太阳能便携充电器“EcoCharge”的广告应用文。文章聚焦“可持续科技”这一热门话题，介绍了EcoCharge的核心优势（太阳能供电、高容量电池、可回收材质）、差异化亮点（支持环保教育项目），并推出地球月专属优惠活动，呼吁消费者选择兼具实用性与环保价值的产品。
【答案详解】
1. 答案：C
解析：根据文章第二段“Unlike traditional chargers that rely on electricity, EcoCharge harnesses sunlight to power your phones...”可知，EcoCharge与传统充电器的核心区别在于其依靠太阳能供电，而非依赖电力。选项A（依赖电力储电）与原文相反；选项B（仅晴天可充电）错误，原文提到其太阳能板“even on cloudy days”仍能高效工作；选项D（电池容量更小）错误，原文明确其为“20,000mAh high-capacity battery”，未提及容量小于传统充电器。故C为正确答案。
2. 答案：A
解析：由第三段“each purchase supports our ‘Green Schools’ initiative—we donate 5% of sales to fund solar energy education programs for students”可知，“Green Schools”项目的具体内容是将销售额的5%捐赠给学生太阳能教育项目。选项B（免费提供产品给学校）、C（培训学生维修设备）、D（减少学校塑料浪费）均未在原文提及，属于无中生有。故A为正确答案。
3. 答案：B
解析：根据最后一段“This Earth Month, grab our exclusive offer: buy EcoCharge at $39.99... and get a free solar-powered keychain light”可知，获得免费太阳能钥匙扣灯的条件是在“地球月”期间购买EcoCharge。选项A（以59.99美元购买）错误，该价格是原价，优惠价为39.99美元；选项C（向项目捐款）错误，优惠与捐款无关，而是与购买行为挂钩；选项D（仅通过实体店购买）错误，原文提到“via our official app... or visit select electronics retailers”，即线上线下均可。故B为正确答案。
B
【文章导读】
本文是一篇记叙文，以新颖的“AI记忆交互”为核心素材，讲述作者通过“Memory Echo”人工智能项目，将已故奶奶的旧录音转化为互动对话，从而弥补遗憾、重温亲情的经历。文章突破传统科技题材的冰冷感，聚焦科技对情感的温暖联结，展现了前沿技术在人文关怀层面的创新应用。
【答案详解】
4. 答案：B
解析：根据文章第一段“the only thing I had left was a box of cassette tapes with her stories”可知，作者仅存的关于奶奶的物品是一盒录有奶奶故事的磁带。选项A（旧照片）、D（手写信）文中未提及；选项C（桂花糕秘方）是磁带中奶奶讲述的内容之一，并非作者单独留存的物品，故排除。
5. 答案：B
解析：由第二段“The AI had analyzed her voice patterns and combined them with the stories on the tapes to create responses that felt real”可知，“Memory Echo”通过分析奶奶的语音模式，并结合磁带中的故事，生成了贴近真实的回应。选项A（模仿配音演员声音）、C（记录作者的回忆）、D（使用预设的老年人生活答案）均与原文描述不符，故排除。
6. 答案：B
解析：第二段提到作者通过APP“asked questions I’d never gotten to ask”（问了以前没来得及问的问题），由此可推断，作者此前因未向奶奶提出更多问题而感到遗憾。选项A（APP让作者忘记悲伤）错误，原文说“it didn’t bring Grandma back, but it let me say goodbye properly”，并未提及忘记悲伤；选项C（表妹拒绝使用APP）错误，原文提到“shared the tapes with my cousin, so she could ‘talk’ to Grandma too”，未体现拒绝；选项D（作者认为APP只是便利工具）错误，原文明确说“tech isn’t just about convenience—it can be a bridge between the past and present”，故排除。
7. 答案：B
解析：文章围绕作者使用“Memory Echo”人工智能APP展开，讲述该APP如何通过奶奶的旧录音实现互动对话，帮助作者重温亲情、弥补遗憾，核心是“AIAPP与奶奶记忆的联结”。选项A（AI记忆保存技术的发展史）文中未涉及；选项C（作者与奶奶的童年回忆）是磁带中的内容，非文章主线；选项D（科技APP记录家庭故事的优势）过于宽泛，文章聚焦的是“AI重现记忆”的特定体验，而非普遍优势，故排除。
C
【文章导读】
本文是一篇聚焦城市可持续发展的说明文，以“城市养蜂塔”这一新颖素材为核心，介绍了该创新建筑的设计理念（垂直利用空间、太阳能温控）、多重功能（保护蜜蜂、助力都市农业、科普教育），并通过柏林、新加坡的案例验证其成效，最终阐明其对解决传粉者危机、保障粮食安全及构建可持续城市的意义。
【答案详解】
8. 答案：C
解析：文章第一段明确提到“declining bee populations, which threaten 75% of global food crops that depend on pollination”，即全球75%依赖传粉的粮食作物受到蜜蜂数量减少的威胁。选项A（25%）是社区菜园作物产量的增长比例，选项B（30%）是柏林、新加坡地区蜜蜂数量的增长比例，选项D（100%）与原文“75%”不符，故排除。
9. 答案：B
解析：第三段“teaching city dwellers—especially children—about the role of bees in ecosystems”中，“city dwellers”与“children”（城市中的儿童）并列，且结合“city”（城市）的语境可推测，该词指“城市居民”。选项A（游客）、C（建筑师）、D（农民）均不符合“长期生活在城市、需要了解蜜蜂生态作用”的语义，故排除。
10. 答案：B
解析：第二段提到“Unlike traditional beekeeping, which requires open land, the towers utilize unused vertical space in dense cities”，即传统养蜂需要开阔土地（水平空间），而养蜂塔利用垂直空间。由此可推断，传统养蜂比养蜂塔需要更多水平空间。选项A（比养蜂塔更能提高作物产量）错误，原文未对比二者成效；选项C（易适应城市极端天气）错误，原文提到养蜂塔需“temperature-control systems”适应气候，暗示传统养蜂难适应；选项D（常为社区提供食物）错误，原文说养蜂塔的菜园“supply fresh produce”，而非传统养蜂，故排除。
11. 答案：C
解析：柏林、新加坡的早期项目结果显示“local bee populations... increased by 30%”（蜜蜂数量增长）和“community gardens report a 25% rise in crop yields”（作物产量提升），这些都是生态改善的体现，可推断养蜂塔能有效改善当地生态系统。选项A（仅适用于欧亚城市）错误，原文未限定适用范围；选项B（全球蜜蜂数量几年内停止减少）过于绝对，案例仅体现局部成效；选项D（社区菜园无需其他传粉者）错误，原文未否定其他传粉者的作用，故排除。
D
【文章导读】
本文是一篇聚焦城市可持续创新的说明文，以“生物发光路面”这一新颖科技为核心，介绍了其发光原理（嵌入工程化发光细菌）、核心优势（节能、防光污染、耐用且带预警功能），并通过鹿特丹、旧金山的试验数据验证成效，同时提及技术仍需完善的地方，最终阐明其对推动环保型城市设计的意义。
【答案详解】
12. 答案：B
解析：文章第二段明确提到“These pavements are embedded with specially engineered bioluminescent bacteria, which produce light through a natural chemical reaction called bioluminescence”，即生物发光路面依靠“生物发光”这一化学反应发光。选项A（白天吸收太阳能）、C（转化电网电力）、D（反射附近路灯光线）均与原文描述不符，故排除。
13. 答案：B
解析：第二段指出生物发光路面发出的光“not bright enough to cause light pollution, a major issue in urban areas”，通过对比可推断，传统路灯是城市光污染的来源之一。选项A（比生物发光路面更节能）错误，原文提到试验中生物发光路面“减少40%路灯能耗”，说明传统路灯更耗能；选项C（能自动预警湿滑路面）错误，这是部分生物发光路面的功能，非传统路灯；选项D（依赖发光细菌工作）错误，传统路灯依靠电力，故排除。
14. 答案：B
解析：第三段提到鹿特丹和旧金山的早期试验“reported a 40% reduction in energy use for street lighting and a 28% decrease in nighttime pedestrian accidents”，这些数据直接证明了该技术在节能和减少事故方面的实际效果，是其价值的重要体现。选项A（技术已完美可全球推广）错误，原文提到“technology is still being refined”；选项C（仅适用于温暖干燥气候）错误，原文说路面能承受雨雪等恶劣天气；选项D（比传统道路更贵）文中未提及，故排除。
15. 答案：C
解析：文章开篇点明生物发光路面是“可持续替代传统路灯的创新”，随后介绍其原理、优势、试验成效及未来方向，核心是“介绍这一环保型城市创新技术”。选项A（解释发光细菌如何被工程化）仅为第二段细节，非主旨；选项B（对比不同可持续路灯技术）文中未涉及，仅聚焦生物发光路面；选项D（讨论减少城市光污染的挑战）是背景，文章重点是“解决方案”而非“挑战本身”，故排除。
