Ruckus Competition
南充2024年05版小学四年级下册C卷英语第二单元测验卷(含答案)
南充2024年05版小学四年级下册英语第二单元测验卷(含答案)考试时间：80分钟（总分:140）A卷一、综合题(共计100题共100分)1. 填空题：The __________ (历史的影响) is far-reaching.2. 填空题：A ________ (植物文化) enriches society.3. 听力题：The atomic structure of an element is determined by its ______.4. 填空题：________ (植物生态关系) is fascinating to explore.5. 听力题：We go to school by ______ (bus).6. 填空题：The ______ (水源) is vital for plant health.7. 听力题：The clouds are ______ (fluffy) and white.8. 填空题：My aunt, ______ (我的阿姨), loves to travel and explore.9. 选择题：What is the term for a baby chicken?a. Ducklingb. Kidc. Chickd. Gosling答案:cWhat is the capital of Japan?A. SeoulB. TokyoC. BeijingD. Bangkok答案:B11. 填空题：Rabbits like to eat _________ (胡萝卜).12. 听力题：My cousin is a ______. She loves to learn about history.13. 听力题：Matter can exist in different ______.14. 填空题：My friend has a ______ (宠物) rabbit that is very fluffy.15. 听力题：The ______ is known for its colorful feathers.16. 听力题：A __________ is formed by the slow accumulation of sediment.17. 选择题：How many wheels does a bicycle have?A. 2B. 4C. 3D. 118. 听力题：A catalyst is used to increase the ______ of a reaction.19. 听力题：My cousin is a ______. She loves to swim.20. 选择题：Which instrument has keys and is played by pressing them?A. GuitarB. ViolinC. PianoD. Drums答案:CWhat is the main ingredient in bread?A. FlourB. SugarC. SaltD. Butter22. 填空题：The ancient Greeks held the Olympic Games every _____ years.23. 选择题：What is the first month of the year?A. DecemberB. JanuaryC. FebruaryD. March答案:B24. 听力题：The freezing point of water is ______ degrees Celsius.25. 填空题：I enjoy _______ (参加) music classes.26. 选择题：Which beverage is made from leaves?A. CoffeeB. TeaC. JuiceD. Soda27. 填空题：I enjoy singing ______ songs.28. 选择题：What type of animal is a salmon?A. FishB. BirdC. MammalD. Reptile答案:A29. 填空题：My dad is my _______ (我爸爸是我的_______).Which animal is known for its stripes?A. LionB. TigerC. BearD. Giraffe答案：B31. 听力题：They are _____ (making) a sandcastle.32. 选择题：What is 8 x 2?A. 14B. 16C. 18D. 20答案:B33. 选择题：What is 10 + 15?A. 20B. 25C. 30D. 35答案:B34. 填空题：I enjoy playing _________ (视频游戏) with my friends online.35. 听力题：The Renaissance was a period of great _______ and art.36. 选择题：What do you use to cut paper?A. ScissorsB. GlueC. TapeD. Ruler答案：A37. 选择题：What do you call the study of the universe?A. BiologyB. AstronomyC. GeologyD. Physics答案:B38. 听力题：A _______ can help us understand the forces acting on an object.39. y of Versailles ended _______. (第一次世界大战) 填空题：The Trea40. 听力题：Chemical changes often involve the formation of ________.41. 填空题：My sister is __________ (善良的) to everyone she meets.42. 听力题：The doctor is ________ patients.43. 选择题：What is the largest mammal in the ocean?A. SharkB. DolphinC. WhaleD. Octopus44. 填空题：I think it’s important to ________ (学习新事物).45. 听力题：She is a great ________.46. 选择题：What is the first month of the year?A. FebruaryB. MarchC. JanuaryD. April答案: C47. 听力题：The chicken pecks at _____ grains.48. 填空题：The rabbit dug a hole in the ______ (土地). It is making a ______ (家).49. 选择题：What is the name of the famous author who wrote "Pride and Prejudice"?A. Charlotte BronteB. Jane AustenC. Emily DickinsonD. Virginia Woolf答案: B50. 填空题：A ____(nature-based solution) addresses environmental challenges.51. 填空题：I want to learn how to _______ (技能) because it’s very _______ (有用).52. 听力题：I will visit my _____ (祖父母).53. 填空题：My brother, ______ (我弟弟), is learning to play basketball.54. 选择题：Which insect makes a web?A. AntB. ButterflyC. SpiderD. Bee55. 填空题：The garden is vibrant with ______.56. 填空题：The fish swims in _______ (水族箱).57. 听力题：The _______ of a wave can be affected by its amplitude.58. 选择题：What do we call a person who specializes in plants?A. BotanistB. ZoologistC. EcologistD. Agronomist59. 选择题：What do you call the process of a liquid turning into a gas?A. EvaporationB. CondensationC. FreezingD. Melting答案: A60. 听力题：The ________ (collaboration) brings ideas together.61. 选择题：What is the capital city of Egypt?A. CairoB. AlexandriaC. GizaD. Luxor62. 选择题：What is the value of 9 3 × 2?A. 3B. 6C. 9D. 12答案:A63. 选择题：What is the name of the famous tower in Paris?A. AcropolisB. Eiffel TowerC. Leaning Tower of PisaD. Big Ben答案:B64. 听力题：The sun rises in the ______ (east).65. 填空题：Abraham Lincoln was the president during the __________ (美国内战).66. 选择题：What is the capital of Kuwait?A. Kuwait CityB. SalmiyaC. HawalliD. Jahra67. 听力题：The cat is sleeping on the ___ (floor/ceiling).My uncle likes to tell funny ____ (jokes).69. 选择题：What do we call the study of celestial objects and phenomena?A. BiologyB. GeologyC. AstronomyD. Meteorology70. 填空题：I call my friend’s grandma __________. (奶奶)71. 填空题：My favorite dish is _______ (披萨).72. 选择题：What is the main ingredient in a quiche?A. EggB. CheeseC. VegetableD. All of the above73. aring a ______ (漂亮的) dress. 填空题：She is w74. 听力题：My dad is very ________.75. 选择题：What do bees make?A. MilkB. HoneyC. ButterD. Jam76. 选择题：What do you call a person who studies insects?A. EntomologistB. BiologistC. ZoologistD. Botanist77. 填空题：The country known for its music and dance is ________ (以音乐和舞蹈闻名的国家是________).The __________ (历史的记忆) informs our actions.79. 听力题：The chemical formula for ammonium nitrate is ______.80. 听力题：The apple is _____ (red/green).81. 填空题：My mom organizes __________ (家庭聚会) every year.82. 填空题：I feed my dog _______ (新鲜的) food every day.83. 听力题：Chemistry is the study of ______ and their interactions.84. 选择题：What is 10 + 5?A. 13B. 14C. 15D. 1685. 听力题：The chemical formula for ethanol is ______.86. 选择题：What is the largest mammal in the world?A. ElephantB. Blue whaleC. GiraffeD. Hippopotamus答案:B87. 填空题：At the toy store, I saw a giant ____! (玩具名称)88. 听力题：We go _____ (boating) on weekends.89. 听力题：The symbol for hafnium is _____.The first man on the moon was _______ Armstrong.91. 填空题：The first successful use of anesthesia was in ________ (1846).92. 填空题：She is a _____ (作家) contributing to literary magazines.93. 选择题：What do you call a place where animals are kept for public viewing?A. ZooB. FarmC. SanctuaryD. Aquarium答案: A94. 填空题：A sloth moves very ________________ (慢).95. 选择题：What do we call a person who helps in emergencies?A. NurseB. FirefighterC. TeacherD. Chef96. 填空题：The _______ (小白鹭) stands still while hunting.97. 填空题：My ________ (玩具) has many moving parts.98. 填空题：A __________ (压强) can affect the behavior of gases.99. 听力题：The ice cream is ________ and cold.100. 填空题：The __________ (历史的价值观) influence actions.。
美国竞赛介绍作文英文
美国竞赛介绍作文英文英文：When it comes to competitions in the United States, there are a wide variety of options available. From academic competitions like spelling bees and science fairs to athletic competitions like track and field and basketball, there is something for everyone.One of the most popular academic competitions in the United States is the National Spelling Bee. This competition brings together the top spellers from around the country to compete for the title of National Spelling Bee Champion. The competition is intense, with students having to spell words from a wide range of languages and origins.Another popular academic competition is the Science Olympiad. This competition tests students' knowledge and skills in a wide range of scientific disciplines, includingbiology, chemistry, and physics. Students compete in events like building bridges, designing experiments, and identifying fossils.In terms of athletic competitions, there are many options as well. One of the most popular is basketball. High school and college basketball games draw large crowds and are often televised. Another popular athletic competition is track and field. Students compete in events like the 100-meter dash, high jump, and shot put.Overall, competitions are a great way for students to showcase their skills and talents. They provide a platform for students to challenge themselves and push their limits. Whether it's academic or athletic, there is a competition out there for everyone.中文：在美国，竞赛的种类非常多样化。
英语作文写一个学生的日常生活初中
英语作文写一个学生的日常生活初中全文共3篇示例，供读者参考篇1A Day in the Life of a Middle SchoolerHey there! My name is Jamie and I'm a 7th grader at Oak Valley Middle School. I figured I'd take you through a typical day in my life as a middle school student. Just a fair warning, things can get pretty hectic and crazy!It all starts with my mom's wake-up call at 6:30 AM. I'm definitely not a morning person, so getting out of my warm, cozy bed is absolute torture. After several snoozes of my alarm, I finally peel myself out from under the covers around 7:00. I zombie-walk my way to the bathroom to get ready.Once I'm dressed and my teeth are brushed, I head downstairs for some breakfast. My mom insists I eat something "nutritious" before school, so it's usually a bowl of cereal or a granola bar. I try to sneak in a few sips of orange juice too before she cuts me off - she's always nagging me about keeping my teeth cavity-free!The bus for school comes at 7:45, so I have to book it out the door by 7:40 at the latest. The bus ride to school takes about 15 minutes, which gives me just enough time to listen to a couple songs on my iPod and mentally prepare myself for the hecticness that is the middle school hallways.My first class is English at 8:15. English isn't too bad - I actually kind of like reading the novels we get assigned, even if I have to analyze them to death with essays and stuff. My teacher Mrs. Robin is pretty chill too. Definitely one of the more bearable classes of the day.Then I have pre-algebra at 9:20. Oh man, I absolutely despise math. Why do we even need to learn about variables and polynomials? I'll probably never use that stuff in real life! I usually just tune out during this class and doodle in my notebook.After that is biology at 10:25. Science is kind of interesting, especially when we get to do experiments and activities. Just don't ask me to dissect anything - I'll pass out if I have to look at a preserved animal up close!By the time 4th period rolls around at 11:30, I'm alreadystarving and counting down the minutes until lunch. On Tuesdays and Thursdays, I have Spanish class, which is actuallypretty neat. I'm hoping to go on one of those Spanish immersion trips to Mexico or Spain when I get to high school.The lunch bell finally rings at 12:05 and it's an absolute madhouse in the hallways as everyone scrambles to get to the cafeteria. I usually just get the premade salad or a peanut butter and jelly sandwich since the other lunch food looks pretty questionable. Luckily, my friends and I have a spot we've claimed in the corner of the cafeteria where we can eat and chat without too much commotion.After lunch, I have P.E. at 12:45. You'd think that would be an easy period, but my P.E. teacher Mr. Matthews is a drill sergeant! He has us running laps, doing push-ups, and playing intense games of dodgeball daily. I'm always drenched in sweat by the end of that class.My last two periods of the day are history at 1:45 and art at 2:45. History is okay, especially when we're learning about ancient civilizations and cool stuff like that. I absolutely love art though - it's my favorite subject. I'm a pretty decent artist, if I do say so myself, especially when it comes to drawing anime-style characters and scenery. Sometimes I'll doodle during my other classes when I get bored.Finally, the closing bell rings at 3:45 and I'm free for the day! On days when I don't have basketball practice, my mom picks me up and we go run errands like grocery shopping or getting clothes for my rapidly growing body. Gotta love those teenage growth spurts!Once I get home, I'll eat a snack and then get started on my homework for the night. I have to be real with you, I definitely procrastinate on it as long as I can. Who wants to spend their evenings doing math problems and book reports? Not me! I much prefer watching YouTube, scrolling through social media, or gaming online with my friends.My parents enforced a pretty strict rule that all homework has to be done by 9 PM though, so I eventually buckle down and power through it. On nights when I really can't focus, I'll shove myself in the pantry and surround myself with snacks to make the work slightly more bearable.After homework, I'm free to do whatever until bedtime at 10:30. That usually means hopping on my computer or phone for some well-deserved downtime. I'll make TikToks, watch shows, play games, or group FaceTime with the squad until my mom threatens to shut off the WiFi.Well, there you have it - a play-by-play of a typical day in middle school for me! Of course, this was just one example, and my days can vary a ton depending on if I have activities after school, upcoming tests, drama with friends, you name it. One thing's for sure though - it's never a dull moment in the life of a middle schooler! Things are always hectic, hormones are raging, and friendship groups are constantly shifting. It's a wild ride, that's for sure. But I wouldn't have it any other way!篇2A Day in the Life of a Middle SchoolerHey there! My name's Alex and I'm a 7th grader at Hillview Middle School. You want to know what a normal day is like for me? Well, buckle up because it's a wild ride!It all starts at 6:30am when my mom comes into my room and shakes me awake. "Time to get up for school, honey!" She'll say in that annoying sweet voice. I groan and bury my head under the covers, trying to get five more minutes of sleep. No such luck - she just rips the covers right off me! Mom's are so mean in the morning.Finally, I drag myself out of bed and into the shower. I have to be quick because my little brother Tyler is banging on thedoor, screaming about how he needs to use the bathroom. Little brothers are the worst. Once I'm dressed, I head downstairs for breakfast. If I'm lucky, we'll have pancakes or waffles. But most days it's just cold cereal or a granola bar to eat in the car.The car ride to school is actually kind of relaxing. For about 20 minutes, I can just zone out, listen to music, and mentally prepare myself for the chaos that is middle school. I get dropped off at 7:45 and immediately get bombarded by my squad - Jayden, Emma, and Sophia. We're an inseparable crew and have been best buds since kindergarten. We spend a few minutes catching up on any new drama that went down last night over Snapchat and TikTok before the warning bell rings.First period is math which is basically my own personal hell. I'm horrible at math and my teacher Mr. Patterson has absolutely zero chill. He's just bouncing off the walls with energy, flying through algebraic equations at thege of light. I'm pretty much lost from minute one, just trying not to doze off.The one bright spot is when the cute girl Caitlin, who sits in front of me, turns around and asks if I understand what's going on. I totally don't, but I play it cool and pretend I do just so she'll keep talking to me. Smooth, right?The rest of the morning flies by - science, English, study hall. My friends and I spend most of study hall gossiping, scrolling through Instagram, and making Tik Toks, rather than actually studying. But that's basically the only time we get to use our phones during the day, so you've got to take advantage!Finally, it's time for lunch. The loud cafeteria is like a zoo with everyone shouting and food flying everywhere. But our squad has our own special table in the far corner, away from all the ruckus. We compare what nasty-looking slop is being served that day. Honestly, I'm not sure if the "chicken" quesadillas or the muzzy grey glop are supposed to be the main dish or not. It's pretty gross, so I just get a couple bags of chips and a cookie from the snack line.After lunch, we have gym class which would actually be pretty fun if it weren't for the coaches. They're both these huge meathead jocks who think everything is a competition. We'll playflag football or dodgeball, and they'll be barking orders and blowing whistles like we're in the Olympics or something. Just let us play and have fun, dang!My last few classes are social studies and Spanish. By that point, I'm already completely spent and just counting down the minutes until I'm free. I'm not trying to learn about the Californiamissions or how to conjugate -ar verbs at that point. The dismissal bell at 3:15pm is the sweetest sound!If I don't have any homework, my friends and I will go to the park and mess around for a couple hours - playing basketball, listening to music, or just messing with each other. But most days I'm loaded down with homework, so it's straight home to start the grind again.I'll spend a couple hours working on math worksheets, reading assignments, and writing essays and short stories. I actually really like English class because I'm a decent writer and it gives me a break from all the mind-numbing busy work. My parents are always bugging me about turning off my phone and video games so I can "focus," which is basically impossible.Around 6pm, we'll have dinner as a family. My parents like to make a big production about asking me and Tyler how our days went. I just give them the brief highlights while scarfing down food so I can go watch YouTube and play video games until bedtime.By 9 or 10pm, I'm absolutely beat and ready to do it all over again tomorrow. I shower off again, set about 15 alarms on my phone to wake up (you can never be too careful!), and pass out until the circus starts again at 6:30am. Don't get me wrong -middle school can be super stressful and the days feel endlesssss. But I love hanging with my squad, trying to impress girls, and just being a dumb kid with no real worries. Because deep down, I know high school is going to be even crazier!篇3My Daily Life as a Middle SchoolerHey there! I'm Sam, a 7th grader at Lincoln Middle School. You want to know what a typical day is like for me? Well, buckle up because this middle school life is a real rollercoaster ride!It all starts with the dreaded sound of my alarm clock blaring at 6:30 AM. I know, I know, it's way too early for a growing kid like me to be up. But rules are rules, and mom is adamant about us getting to school on time. After hitting that snooze button a couple (or maybe a few) times, I finally drag myself out of my cozy bed.The next battle is getting ready for school. I stumble into the bathroom, splashing some water on my face to try and wake up. Then it's the usual routine - brush teeth, comb hair (or at least try to tame this crazy mop), throw on my clothes. Pro tip: always lay out your outfit the night before to save precious morning minutes.Downstairs, the tantalizing smell of pancakes or waffles (mom's specialty) greets me in the kitchen. I scarf down breakfast while chatting with my little sister about the latest gossip at her elementary school. Sibling banter is the best way to start the day, am I right?The mad dash to the bus stop commences at 7:15 AM sharp. My backpack feels like it weighs a ton with all those textbooks and binders. Why do teachers assign so much homework? By the time I make it to the bus stop, I'm already out of breath. Luckily, my best friend Jake is there to keep me entertained with his goofy jokes.The bus ride to school is... well, let's just say it's an experience. Filled with rowdy kids, the occasional spitball war, and lots of loud chatter about TikTok trends and video games. I try to squeeze in some last-minute studying or catch a few extra Zs.Finally, we arrive at the hallowed halls of Lincoln Middle School. The chaos of passing periods is something else. Lockers slamming, kids shouting across the hallway, and the occasional person getting stamped in the middle of the foot traffic. Ah, the joy of middle school!My favorite part of the day is undoubtedly lunchtime. After slaving away through morning classes, I get to enjoy awell-deserved break. The cafeteria food may not be gourmet, but a few slices of pizza or a burger really hit the spot. My crew and I gossip about our latest crushes, rant about that brutal math test, and maybe even get a quick game of basketball in before the bell rings.The afternoon is a blur of more classes, more homework assignments being piled on, and constant battles to stay awake and focused. Shout out to my teachers for trying their best to make subjects like algebra and world history seem interesting. By the last period, my brain is pretty much fried.Finally, that final bell rings, and it's a mad dash for the exits. Freedom, at last! Depending on the day, I might have football practice, band rehearsals, or a club meeting after school. But there are also those gloriously obligation-free days when I can just head home and veg out.Once home, it's straight to recharging mode. I throw my backpack in a corner (don't tell mom), grab a snack, and maybe squeeze in an episode of my favorite show before tackling mountains of homework. Ah, the life of a middle schooler - equal parts fun and torture.Evening times are for family dinners (where I'm forced to socialize beyond grunt responses), finishing up any remaining homework, and a little free time before bed. Sometimes I squeeze in some video games, other times I'm on FaceTime catching up with friends about all the school drama.As my head finally hits the pillow around 10 PM, I reflect on another eventful day of middle school in the books. Was it perfect? Far from it. But it's my normal, and I wouldn't trade those chaotic, angst-filled, roller coaster days for anything. After all, these are the times that I'll reminisce about when I'm old and gray. So I try to soak it all in, the good, the bad, and the ugly.Well, that's a day in my middle school life! I warned you it was a wild ride. But I wouldn't have it any other way - THIS is what being a seventh-grade student is all about. Catch you later!。
基于SPOC的体育专业术科翻转课堂的理论与实践研究
基于SPOC的体育专业术科翻转课堂的理论与实践研究*赵海波（温州大学体育学院，浙江温州325035）翻转课堂是将知识传授和知识内化两个阶段颠倒，让学生在课前观看新课程的视频和资料，在课堂上进行问题讨论、完成作业，达到对课程内容深入理解的一种教学模型[1]。
SPOC是小规模限制性在线课程，基于SPOC的翻转课堂具有“知识获取、学习经验以及教学设计的深度融合”等优势[2]。
体育专业肩负着培养我国中小学体育与健康课程教师的重任，其中尤以“动作技术与技能教学为主”的术科为主。
当前我国体育专业术科翻转课堂研究仍处在探索阶段，尤其缺乏“大课程观”下对其翻转课堂教学范式的构建研究。
我国《教育信息化十年发展规划（2011-2020）年》明确提出：推进信息技术与教育教学深度融合，利用信息技术探索建立以学习者为中心的教学新模式。
基于SPOC的体育专业术科翻转课堂教学模式的构建与实验研究，既是“互联网+教育”背景下的体育学科自律之举，也是改变传统教学模型、深化教学内涵，精准培养体育专业大学生核心素养的有效手段。
一、研究对象与方法（一）研究对象以基于SPOC的翻转课堂教学模式教学效果为研究对象。
具体以温州大学体育学院2019级体操课程的79名学生为实验对象，其中实验组40名学生，对照组39名学生。
实验组基于SPOC的翻转课堂教学模式进行教学活动，对照组按照传统教学模式进行教学活动。
（二）研究方法1.文献资料法通过中国知网（CNKI）、万方数据库等进行检索，对所获文献进行整理、归纳，为本研究提供理论基础。
2.教学实验法（1）实验程序实验准备：a.制作体操课程教学资源；b.SPOC平台建课；c.实验组SPOC平台使用培训。
正式实验：a.课前：教师在“罗山学堂在线”发布学习任务与教学资源。
学生进入SPOC平台，观看学习资料完成作业，初步体验、认知动作技术；b.课堂：教师集中解决共性问题，结合讲解示范展开教学，随后引导学生制定学习策略展开合作式、探究式学习，促使学生技术内化；c.课后：教师提出学习要求，进一步强化学生对动作技术的整体构建。
华硕 Wi-Fi 6 高性能路由器说明书
BENEFITSBLAZING-FAST Wi-Fi PERFORMANCE•Wi-Fi 6 bridges the performance gap from‘gigabit’ Wi-Fi to ‘multi-gigabit’ Wi-Fi in support of the insatiable demand for better and faster Wi-Fi.•Great user experience in the most challenging environments. BeamFlex+™ adaptive antenna technology dynamically reconfigures antenna patterns choosing from more than 4,000 patterns to provide the best performance for every device.•Lower costs, easier installation. SmartMesh™wireless meshing technology can dynamically create self-forming, self-healing mesh networks by just checking a box—reducing the needfor expensive cabling and complex mesh configurations.INSTALL AND MANAGE WITH EASE•Up and running in under 5 minutes. With Zero-Touch Mesh, set up your entire Wi-Fi network in a few simple steps from a mobile device or browser with an intuitive, easy-to-understand user interface.•Total control at your fingertips. Gain detailed insights about your network and perform all key administrative tasks from anywhere with the free Unleashed app for iPhone and Android. MORE THAN Wi-Fi•Network loaded with features. Enhance your network with built-in features such as Wi-Fi Calling, Guest Services, DPSK security, Zero IT onboarding and Application Visibility. •Switch management made easy. Manage your ICX switches from the Unleashed dashboard and mobile app. Gain insights about switch connectivity information. Perform software upgrade, configuration, backup and restore.•Built-in resiliency. If the internet goes out—even if an AP fails—you can continue to access printers and other network devices. PROTECT YOUR INVESTMENT•Scale up when you need to. Easily expand your Wi-Fi across across 10,000 locations with the Unleashed Multi-Site Manager. Growing even more? Move up to a controller-based or cloud-based deployment with your existing Unleashed APs.Has your organization outgrownyour Wi-Fi?More devices than ever. Bandwidth-hungry video applications. Internet of Things (IoT). Constant demand for mobile connectivity. They add up to a perfect storm of technology trends—and your Wi-Fi better be ready for it. The days when a consumer-grade Wi-Fi device could meet most small business needs are over. Today, even smaller organizations need fast, reliable, always-on connectivityfor dozens or even hundreds of devices. At the same time, small and midsize businesses don’t have the time (or often, the in-house IT expertise) to wrestle with complex configurations and installations that require a PhD to get right.Want blazing-fast Wi-Fi performance? Simple installation and management? Business-class security and resiliency? Enterprise-class features? And all at an affordable cost? Welcome to RUCKUS Unleashed. These access points (APs)use our patented technologies to deliver RUCKUS’ industry-leading Wi-Fi performance, but in a package designed and priced for small and medium-size businesses (SMBs) and organizations.Introducing RUCKUS UnleashedRUCKUS Unleashed is a high-performance, simple-to-setup,easy-to-manage and affordable portfolio of access points. With built-in controller functionality, there’s no need to invest in a separate appliance. You can manage your entire network (APs and switches) from your phone or web browser. Deploying at multiple sites? Manage all your Wi-Fi networks from one place through the Unleashed Multi-Site Manager. You can get your network up and running in under 5 minutes—no complex configurations, and no expert installers required.RUCKUS Unleashed APs make Wi-Fi easy for SMBs, and feature patented RUCKUS technologies that enable us to consistently beat the competition. With patented RUCKUS innovations such as BeamFlex+™, ChannelFly™ and SmartMesh™, Unleashed APs deliver higher speeds, better coverage and more reliable connections to every device, every time. RUCKUS Unleashed APs also come packed with enterprise-class features that are easy to configure and manage. Wi-Fi Calling feature improves handling and overall quality of Wi-Fi Calling voice calls over Unleashed APs. Easily set up secure guest access with full-featured Guest Services. Monitor and optimize network performance for over 2,200 applications with Application Visibility and Control. Lock down access with enterprise-grade security—without the enterprise-scale complexity—using DPSK. And build a resilient Wi-Fi network that lets you continue to access printers and other devices even if the internet—or one of the APs—goes down.RUCKUS Unleashed APs and switches deliver all of this and more at an affordable price. And if your business grows and you need to move to a controller- or cloud-based infrastructure, you can—without having to overhaul your infrastructure. Migrate to RUCKUS SmartZone™ Controllers or RUCKUS Cloud down the road—using the same Unleashed APs.SIMPLE AND EASY MORE THAN WI-FIWhere can RUCKUS Unleashed deliver maximum value?outdoor form factors and a variety of mounting options. Choose from a variety of ICX switches. Use RUCKUS Unleashed for:•Offices (law firms, health clinics, insurance agencies and others) that need enterprise-class performance, advanced security and guest access, built-in resiliency and easy onboarding•Multi-dwelling units (MDUs) such as large homes, small apartments and housing structures that want pervasive coverage•Small and midsize retail outlets (stores, restaurants, coffee shops) that want more in-depth Application Visibility and Control in a solution that’s easy to manage•Primary school classrooms and offices that want to unleash digital learning without compromising securityRUCKUS Unleashed APs and switches are designed for small and midsize businesses with a single location or multiple locations with up to 128 APs, 2048 clients and 8 switches per deployment. They’re the perfect choice for smaller organizations that need to provide high-performing, enterprise Wi-Fi to employees, customers and guests without breaking the bank. Using the Unleashed mobile app, Unleashed APs can be managed by practically anyone—no specialized IT expertise required. And Unleashed APs are designed to easily scale up as the business grows—a key requirement for the 58% of SMBs that expect to grow within the next 6–12 months.The RUCKUS Unleashed portfolio offers solutions for practically any SMB use case, at a wide range of price points. Choose from entry-level to ultra-high-performance APs, with both indoor andKey benefits and featuresBEST-IN-CLASS PERFORMANCEBeamFlex+—Patented Adaptive Antenna Technology RUCKUS Unleashed APs integrate our patented, software-controlled adaptive antennas. BeamFlex+ antennas adapt automatically to client locations and environmental conditions, continually optimizing RF signals for every connected device, on a per-packet basis. It’s the “secret sauce” that lets our APs maintain stronger connections and deliver better performance than the competition.ChannelFly—Machine Learning Auto Channel Selection Most APs can switch channels when the one they’re using to connect with a given device gets congested. Only RUCKUS APs with ChannelFly technology, however, use machine learning and specialized algorithms to identify the best alternate channel before switching over. Combined with BeamFlex+ adaptive antenna technology, ChannelFly delivers substantially higher throughput than competing APs.SmartMesh—Self-Forming, Self-Healing Mesh SmartMesh makes it simple to blanket every corner of your space with reliable Wi-Fi coverage—while eliminating the need for cumbersome radio planning and expensive cabling to every AP . Just check the “Zero Touch Mesh” box in the management app, and it automatically establishes wireless mesh connections between individual APs. RUCKUS Unleashed APs use our patented smart antenna technology to create strong, reliable mesh links. And if a link ever fails, the network heals itself automatically.THE SMARTER SMB SOLUTIONInstall in MinutesRUCKUS Unleashed APs can be installed in under 5 minutes from a laptop browser (e.g., Chrome, Safari) or from iPhone and Android mobile devices. Configure just one “Master AP ,” and you can automatically push that configuration securely to all the other APs in the network with the “Zero Touch Mesh” features. Easy to ManageYou can manage smaller Unleashed networks from anywhere in the world with the free Unleashed Mobile app. The app’s dashboard puts all the essential information about your network, and provides access to all key administrative tasks and troubleshooting options, right at your fingertips. Lower Capital and Operational CostsUnleashed APs come with controller functions built in. You don’t need separate controller appliances or access point licenses, so the upfront costs are much lower than other business-class APs. Unleashed networks are also designed to be simple to deploy and manage—no specialized network or wireless expertise required.Network Investment ProtectionWhen you deploy RUCKUS Unleashed APs and switches, you’re making an investment that will continue to serve your business as you grow. Expand across across 10,000 locations with the Unleashed Multi-Site Manager. And if your business grows even more, you can move up to a controller-based or cloud-basedsolution using the same Unleashed APs you’ve already deployed.RUCKUS Unleashed™ Multi-Site Manager managing Unleashed ™networks at branchesRUCKUS Unleashed ™ Multi-Site ManagerEnterprise-grade featuresRUCKUS Unleashed APs and switches come loaded with enterprise-grade features to customize, optimize and secure your Wi-Fi networksand deliver great user experiences. Key features are highlighted below. A detailed list of features is available at the end of the data sheet.Unleashed is a perfect fit for deployments with up to 128 APs/2,048 clientsMember AP(Mesh AP)AP 3Encrypted Mesh key delivered over airUnleashed access pointsThe tables below illustrate the complete portfolio of RUCKUS Unleashed APs, including indoor, outdoor and specialty form factors. Click the AP model number to review detailed features and specs.* All access points operating as a Master AP will only support 100 clients.Unleashed access points (continued)* All access points operating as a Master AP will only support 100 clients.Unleashed ICX switchesManage ICX switches from RUCKUS Unleashed dashboard or mobile app. You can manage up to 8 ICX switches on an Unleashed network. ICX switches work seamlessly with RUCKUS Unleashed access points to deliver enterprise-class wired and wireless management for small organizations.Gain insights into switch port connectivity, upgrade your switch and perform backup and restore from RUCKUS Unleashed dashboard or mobile app.Unleashed dashboard (with APs and switches)Ports view of a switch on UnleashedRUCKUS Unleashed supports all ICX 7000 series switches*. The table below provides a list of our recommended switches for RUCKUS Unleashed. Please find the detailed information about ICX switch portfolio here.* ICX FastIron firmware version 8.0.90d or later required.Unleashed mobile appRUCKUS Unleashed networks are designed from the ground up to be easy to deploy and manage. The Unleashed mobile app makes things even simpler. Monitor, manage and upgrade your network from anywhere in the world. Everything you need to know, and all key administrative tasks, are always right at your fingertips.Using the mobile app, you can install an Unleashed AP in under 5 minutes, and review all of the essential information about your network. See how many clients, APs and switches are connected, ongoing network traffic and any important alerts at a glance. Quickly and easily create a new Wireless LAN or edit an existing network. See which applications are using the most data on the network,and create rules to deny access to any website. Need help? Simply tap the “Invite for Remote Management” option, and send a text message or email with a link containing all of your Unleashed network information to an expert.Install in under 5 minutes with a few taps Perform key administrative tasks fromanywhere in the worldSee what’s happening on yournetwork at a glanceOrdering informationPLEASE NOTE: When ordering outdoor APs, you must specify the destination region by indicating -US, -WW, or -Z2 instead of XX. When ordering PoE injectors or power supplies, you must specify the destination region by indicating -US, -EU, -AU, -BR, -CN, -IN, -JP, -KR, -SA, -UK, or -UN instead of -XX. For access points, -Z2 applies to the following countries: Algeria, Egypt, Israel, Morocco, Tunisia, and Vietnam.For accessory ordering information, please visit the Accessory Guide.For RUCKUS ICX switch ordering information, see switch datasheets. Please visit /product-type/enterprise-networking/ethernet-switches/.Features11 RUCKUS UNLEASHED Enterprise Wi-Fi for small organizationsCommScope pushes the boundaries of communications technology with game-changing ideas and ground-breaking discoveries that spark profound human achievement. We collaborate with our customers and partners to design, create and build the world’s most advanced networks. It is our passion and commitment to identify the next opportunity and realize a better tomorrow. Discover more at PA-114091.4-EN (01/21)Visit our website or contact your local CommScope representative for more information.© 2021 CommScope, Inc. All rights reserved.Unless otherwise noted, all trademarks identified by ® or ™ are registered trademarks, respectively, of CommScope, Inc. This document is for planning purposes only and is not intended to modify or supplement any specifications or warranties relating to CommScope products or services. CommScope is committed to the highest standards of business integrity and environmental sustainability with a number of CommScope’s facilities across the globe certified in accordance with international standards, including ISO 9001, TL 9000, and ISO 14001. Further information regarding CommScope’s commitment can be found at /About-Us/Corporate-Responsibility-and-Sustainability.。
中国与土耳其排球比赛英文介绍文章
中国与土耳其排球比赛英文介绍文章China and Turkey will be facing off in an exciting volleyball match. Both teams have been preparing for this match for months, and they are ready to show their skills on the court.The Chinese team is known for their strong defense and precise attacking. They have a talented group of players who work well together, and they have been working hard to improve their teamwork and coordination.The Turkish team is known for their aggressive playing style and powerful serves. They have a number of talented players who are able to put pressure on their opponents and keep them on their toes.This match promises to be an exciting and intense battle, as both teams will be giving their all to come out on top. The Chinese team will be looking to use their strong defense and precise attacking to take control of the match, while the Turkish team will be looking to use their aggressive playing style and powerful serves to dominate the court.Regardless of the outcome, this match is sure to be a thrilling and unforgettable experience for both the players and the fans. So be sure to tune in and catch all the action! The match will be held at the state-of-the-art volleyball arena, which has a capacity of over 10,000 spectators. The arena is equipped with the latest technology, including high-definition screens and advanced sound systems, to ensure that the fans have the best possible viewing experience.The atmosphere in the arena is expected to be electric, with fans from both China and Turkey coming together to support their teams. The players will be able to feel the energy from the crowd, and this is sure to push them to perform at their best.In addition to the excitement on the court, there will also be a number of activities and events taking place outside the arena. Fans will be able to participate in games, contests, and other fun activities, making the overall experience even more enjoyable.So if you're a fan of volleyball or just looking for an exciting sporting event to attend, be sure to come down to the arena and catch all the action. With two talented teams facing off, thismatch is sure to be a thrilling and unforgettable experience! The match will also be broadcast live on television, allowing fans who are unable to attend the match to still experience all the excitement from the comfort of their own homes. The broadcast will feature expert commentary and analysis from some of the best volleyball commentators in the world, giving fans an in-depth look at the strategies and techniques being used by both teams.In addition, there will be a number of social media platforms that will be covering the match live, giving fans the opportunity to stay up-to-date with all the latest news and developments. Fans will be able to share their thoughts and opinions with others, and join in on the conversation as the match unfolds.Overall, the China vs Turkey volleyball match promises to be a spectacular event, filled with excitement, drama, and unforgettable moments. So whether you're a die-hard volleyball fan or just looking for a thrilling sporting event to attend, be sure to mark your calendars and don't miss out on this exciting match! The match will also be a showcase of the skills and talents of the players, as well as a testament to the hard work and dedication that they have put into their training. Theplayers have been working tirelessly to improve their skills and techniques, and this match will be a chance for them to showcase their abilities on a global stage.In addition, the match will also serve as an opportunity for the players to gain valuable experience and exposure, which will benefit them in their future careers. They will be able to learn from the best players in the world, and gain a deeper understanding of the sport and what it takes to be successful.So, whether you are a fan of volleyball, a fan of one of the teams, or just a sports enthusiast, be sure to tune in and catch all the action as China and Turkey face off in this exciting volleyball match!。
你参加过的体育比赛英语作文六年级
你参加过的体育比赛英语作文六年级全文共5篇示例，供读者参考篇1The Big Sports DayWow, I'm so excited to tell you all about the huge sports competition I got to be a part of a few weeks ago! It was the annual District Sports Meet and my school had been training super hard to get ready for it. I love sports and games so I was really looking forward to this big day.There were going to be all sorts of different events - running races, throwing competitions, team sports like soccer and basketball, even gymnastics and dance performances! The night before, I could barely sleep thinking about all the fun I was going to have.Early the next morning, my mom woke me up and I gulped down a big breakfast to give me lots of energy. I put on my favorite red shorts and my school's blue t-shirt with the wildcat mascot on it. I grabbed my water bottle, sneakers, and headed out the door feeling ready to take on the world!When we got to the huge stadium where it was being held, my eyes grew wide. There were already a ton of kids there from probably 20 different schools! The whole place smelled like fresh cut grass and I could hear cheers and shouting coming from the different areas that were all set up. I spotted the running track, basketball courts, soccer fields, gymnastics mats, and more. This was going to be so awesome!My school had painted our faces with the wildcat logo and we were all pumped up, chanting and doing our special handshakes and dances to get fired up. Our coaches gathered us together to give a pep talk about representing our school with good sportsmanship and trying our best. Then it was time for the opening ceremony parade!All the schools marched in one by one, waving banners and cheering. When it was our turn, we ran out hooting and hollering, so loud you could probably hear us from a mile away! After everyone was settled in their sections, the host spoke into the microphone to get things started. A bunch of important people came out and made speeches about the virtues of athletics and competition. Finally, the torch was lit to officially kick off the events. Let the games begin!My first event was the 100 meter dash. I was shaking with nervousness as I toed the starting line, trying to psych myself up. When the gun went off, I took off running as fast as my legs could carry me. I pounded down the track, arms and legs pumping furiously. I could feel the breath rushing in and out of my lungs and my heart beating like a drum. As I closed in on the finish line, I kicked it into an extra gear, leaning forward to break the tape. I had won my heat! After catching my breath, I jumped up and down cheering.Next up was the long jump pit. I took off at a sprint and launched myself into the air, flying what felt like a mile before landing perfectly in the sand. The official measured and I had jumped over 12 feet - not too shabby! I slapped high fives with my buddies waiting nearby, feeling on top of the world.The rest of the day was a blur of one event after another. I played my heart out in the soccer game, trying to help my team advance to the finals. I swam lap after lap in the pool, pushing through the burning in my muscles. Whenever I started to get tired, I could hear my friends and classmates cheering me on from the sidelines, giving me that extra burst of energy.My coaches had told me that they were saving me for the final event of the day - the dreaded obstacle course race. Thisthing was no joke - a huge mud pit, climbing walls, crawling under wires, scaling ropes, jumping over barriers, and more! Just watching the other kids run it was making me sweat. When it was finally my turn to take my place at the starting line, I was both terrified and excited.The gun went off and I took off like a shot, determined to catch up to the leaders right away. I was the first one to hit the mud pit, slipping and sliding all over the place, getting completely caked from head to toe. I pulled myself up the climbing wall, losing one of my shoes in the process. No time to go back for it! I just kept pushing forward, grunting and straining every muscle.After what felt like an eternity, the finish line finally came into view and I summoned every last bit of energy to sprint as hard as I could across it. I had won! I had actually won the whole obstacle course! My face was covered in sweat, dirt, and pure joy. As my teammates mobbed me to celebrate, I had never felt so victorious.At the end of the long day, we all gathered one more time at the closing ceremony. Dozens of speeches were made and hundreds of medals were awarded to the top finishers in each event. When they called out the team scores, we held ourbreaths...and my school had taken first place overall! We had won the district championship! You've never heard such a ruckus as all the wildcat fans erupted in cheers.I went home that night utterly exhausted but filled with pride. My legs were scratched up, my muscles were screaming, and I was covered head to toe in a mixture of dirt, grass stains, and sweat. But I had given it my all and walked away with a pile of medals, amazing memories, and the satisfaction of being called a champion. I can't wait to do it all over again next year!篇2My Exciting Basketball Tournament ExperienceHi there! My name is Tommy and I'm going to tell you all about the super cool basketball tournament I played in last month. It was so awesome and exciting, I can't wait to share all the details with you!It all started when my basketball coach Mr. Wilson announced that our school team, the Lincoln Lions, was going to enter a city-wide tournament for 6th grade teams. He said it would be a great opportunity for us to test our skills against other talented players from across the city. I was really psyched because I just love basketball so much!We had been practicing really hard all season, running drills, scrimmaging, and working on our shooting, dribbling, and defensive skills. Mr. Wilson is an amazing coach and he pushes us to always do our best. Even though we're only in 6th grade, he treats us like pros and doesn't go easy on us at all in practice. It can be tough, but I know it's making us all better players.A couple weeks before the tournament, the coaches picked the 12 players who would be on the tournament team roster. I was over the moon when I made the cut! Just being selected felt like a huge honor. The night before our first game, I could barely sleep from excitement and nerves.When the day finally arrived, we got to the big fancy arena where all the games would be played. It was so cool seeing the huge basketball court, the scoreboards, the stands full of fans, and pistons firing the balls into the air during introductions. This was bigger than any game I had ever played before!Our first opponent was the Parkview Panthers. Those guys were big and athletic looking. As soon as the game started, the intensity level was kicked into high gear. The ball was flying up and down the court at blazing speed as both teams were scoring baskets. The lead kept changing back and forth.At halftime, we were only down by 2 points, but Mr. Wilson gave us a fiery motivational speech about digging deep, leaving it all on the court, and not letting this opportunity slip through our fingers. His words really fired me and the whole team up for the second half.After the break, we came storming out of the gates, playing tighter defense and crashing the boards hard. I'll never forget the roar of the crowd when I grabbed an offensive rebound and put it back up and in to give us the lead late in the fourth quarter. We ended up winning that nail-biter by 3 points! What a huge relief and accomplishment to get that first tough win.The next day, we kept rolling with an easy win over the Douglas Dolphins. My hot shooting led the way as I knocked down five three-pointers. After that game, our confidence was sky high and we were really starting to believe that we could make a run in this tournament.In the semifinals, we faced our toughest test yet against the undefeated Kennedy Kings. Those guys were tall, athletic freaks who could seemingly jump out of the gym. At halftime, we were down by 12 points and things were looking pretty bleak. But Mr. Wilson reminded us of our potential and never-say-die attitude.He said we could easily climb out of that hole if we just took it one possession at a time.His words resonated, and we came out re-energized and more determined than ever in the third quarter. We started trapping them all over the court, disrupting their offense, and scoring in transition off turnovers. Before they knew what hit them, we had taken the lead!The fourth quarter was an intense back-and-forth battle, with the lead changing hands multiple times. With just seconds left, we trapped their star player, forced a turnover, and I took the ball and pulled up for a deep three-pointer at the buzzer. The entire arena went silent as the ball rotated through the air...then BANG! It ripped through the net as the buzzer sounded and our entire team rushed the court in delirium. We had just knocked off the unbeatable kings in one of the most incredible comebacks I've ever witnessed!That set the stage for an epic championship game the next day against our crosstown rivals, the Lincoln Tigers. There was so much energy and passion in that building from the two fanbases. You could cut the tension with a knife as these two squads took the court.The game lived up to the hype as an all-out war from start to finish. Bodies were flying all over the place as we battled for every loose ball and contested every shot. It went into double overtime, with both teams leaving absolutely everything out on the floor. Sadly, we came up just a bit short and had to settle for the runner-up trophy.Even though we didn't quite reach the ultimate goal, I've never felt more pride than I did in that moment as Mr. Wilson put those medals around our necks. The grit, determination, and fight we showed as a team was something I'll never forget. More importantly, the bonds of brotherhood I formed with my teammates over those three days are going to last a lifetime.That's what makes sports and competing on a team so magical. It's not just about the wins and losses, but the lessons you learn about sacrifice, teamwork, and perseverance through adversity. Those tournament games were some of the most memorable, exhilarating, and emotional experiences of my life so far. I'll carry those memories with me forever. I already can't wait for next year's tournament so we can take another shot at that elusive championship!篇3My Awesome Basketball TournamentHi there! My name is Tommy and I'm going to tell you all about the super cool basketball tournament I played in a few months ago. It was honestly the most exciting thing that's ever happened to me!It all started when my P.E. teacher, Coach Jackson, announced that our school was putting together a basketball team to compete against other elementary schools in the city. He said any 5th or 6th grader who wanted to could try out. Well, of course I jumped at the chance because basketball is my absolute favorite sport. I've been playing since I was a little kid and I'm pretty good if I do say so myself!There were a bunch of kids who tried out and Coach Jackson had us do all kinds of drills to test our dribbling, passing, and shooting skills. We did sprints, played scrimmages, and even had to take a written test on the rules of basketball. It was tough but I gave it my all. When the team list was posted, I was overjoyed to see my name on it!Our team was called the Lincoln Lions and we had 10 players - 5 starters and 5 substitutes. I was named as a starter which made me so proud. We started practicing twice a week after school to get ready for the tournament. Coach Jackson had usrunning lots of plays and working on our teamwork. At first it was a little rocky as we all tried to figure out each other's strengths and how to work together. But eventually we started to really gel as a team.Finally, the big day arrived - the tournament kicked off on a Saturday morning in March. There were teams from 8 different elementary schools participating and we played our games at the huge gym at the local high school. It was so cool walking in with my teammates, all decked out in our red and gold Lincoln Lions uniforms. The gym was huge and there were lots of fans sitting in the bleachers cheering. I was nervous but mostly just super psyched to get out on the court!Our first game was against the Oak Grove Oaks. The tournament was divided into brackets, kind of like you see in the March Madness college basketball tournaments. We had to win our bracket to advance to the semifinals. Well, that first game was a nail-biter! We took an early lead but then the Oaks came roaring back. With just a few minutes left, we were tied at 33-33. That's when our point guard, Jess, drove to the basket and scored to put us ahead by 2 with only 10 seconds left. The Oaks inbounded the ball and tried a desperate three-pointer at thebuzzer that clanked off the rim. We won 35-33! What aheart-stopping way to start the tournament.Buoyed by that narrow victory, we won our next two games pretty handily to take our bracket. We were headed to the semifinals to face a tough team from Hilltop Elementary. I don't mind admitting that I spent the night before barely sleeping from excitement and nerves. This was the farthest a Lincoln Lions team had advanced in like 5 years. No pressure, right?Well, that semifinal game was a battle. Hilltop had a couple kids who were java giants and they took it to us on the inside game. We fell behind by double digits in the second quarter. But we didn't give up - that's not the Lincoln Lion way! We kept fighting and scrapping and slowly climbed our way back into the game. With 2 minutes left, my buddy Nathan canned athree-pointer to tie it up. From there, it went back and forth like a ping pong ball. With 20 seconds left, I grabbed a huge rebound off a Hilltop miss. I dribbled down and could have taken the potential game-winner but I dished it to an open Jess who nailed the go-ahead basket! Hilltop missed their attempt in the dying seconds and we won by 2 to reach the finals. Bedlam! The crowd went crazy and we celebrated like maniacs out on the court.That set the stage for the championship game against our cross-town rivals, the Roosevelt Road Runners. We REALLY wanted to beat those guys. Not only were they our rivals, but a couple of their players were kids who used to go to our school before they transferred. A couple of them had been trash talking us before the tournament, saying how they were going to "Lincoln Crush" us. We were fired up to shut them up.In the finals, we came out on fire and took a big lead early on. We were rolling! But the Road Runners didn't get rattled. They clawed their way back into it and it went back and forth for the rest of the game. With a minute left, they hit a three to take the lead by 1 point. We rushed the ball up and called a timeout to set up a final play. Coach drew up something I'll never forget. I was supposed to pass to Jess and then set a screen for Nathan to pop out for a potential game-winning 3. Well, the play didn't go exactly like that but it worked out even better!I passed to Jess but the Road Runner on her face-guarded her tightly. So instead of passing to Nathan, Jess pump faked and her defender went soaring by. Jess then took two dribbles into the lane and put up a short jumper that rattled around and around and around before finally dropping through the net with 3 seconds left! The Road Runners didn't have enough time to geta shot off before the buzzer. We won the tournament The champions We jumped around and celebrated like crazy. I've never felt a rush like that before, let me tell you.When Coach Jackson called us over for our winner's trophy and championship medals, he had tears in his eyes. He told us we displayed incredible heart and determination and that he was so proud of us for leaving everything on the court and for being such a unselfish, hard-working group. As the Lincoln Lions, we fought hard together as a team and came out on top. It's a memory that will stay with me forever!Even though I'm moving on to middle school next year, I'll never forget the incredible bonds I formed with my teammates during that tournament run. The daily practices together, the time hanging out on the buses to and from games, the sleepovers where we dreamed about winning it all, and mostly the incredible feeling of seeing all that hard work pay off by raising that trophy together. Nothing could top that!So that's the story of the Lincoln Lions conquering the elementary school basketball world. I know one thing - I caught the competitive bug from that experience and I can't wait to try out for the middle school team. Who knows, maybe we'll make a run at a city championship next! But no matter what, thattournament title will always have a special place in my heart. Thanks for reading, and GO LIONS!篇4My Awesome Sports CompetitionsHi there! My name is Michael and I'm a 6th grader at Oakwood Elementary School. Today I want to tell you all about the super cool sports competitions I've been in over the past few years. Get ready for some exciting stories!When I was in 3rd grade, I joined my school's track and field team. I wasn't the fastest runner, but I loved the feeling of racing down the track with the wind in my hair. My favorite event was the long jump. I'd sprint down the runway, hit the board perfectly, and soar through the air like a flying squirrel! At my first big meet, I jumped 12 feet and won a bronze medal. My parents cheered so loudly, I thought their voices would give out.The next year in 4th grade, I decided to try basketball instead.I had grown a few inches over the summer, so I wasn't the shortest kid on the team anymore. Our team worked really hard, running drills and practicing our shots and passes. We had a couple of rough games at first, but then we got on a hot streak and made it all the way to the city championship game! I'll neverforget the thrill of hitting the game-winning shot at the buzzer to beat our biggest rivals. The crowd went wild, and my teammates lifted me onto their shoulders. Best night ever!For 5th grade, I took up soccer, which is probably my favorite sport. There's just something magical about dribbling the ball downfield, faking out defenders with fancy footwork, and blasting a shot into the back of the net. Our soccer team had an incredible undefeated season and won the regional tournament. In the championship game, I scored a hat trick (that means 3 goals) and we defeated the top-ranked team 4-2. Bringing that huge trophy back to school was an unforgettable feeling.This year as a 6th grader, I'm playing baseball for my school's team. I'm having a blast getting to pitch, catch, run the bases, and hang out with my awesome teammates. We're still in the middle of the season, but I have high hopes we can go all the way! My favorite baseball memory so far was hitting a grand slam (that's a home run when the bases are loaded) to win an extra-inning thriller against our crosstown rivals. Rounding those bases with my team going crazy on the field was pure joy.Sports have taught me so many valuable lessons over the years. I've learned to never give up, even when you're losing. I've learned to be a good teammate by supporting and encouragingeveryone. I've learned to stay humble after wins and losses. Most importantly, I've learned that having fun and making amazing memories is what sports are all about.Win or lose, rain or shine, nothing can keep me away from the games I love. I'll keep training hard, playing my heart out, and making my family, friends, and school proud. Who knows, maybe I'll even play professional sports when I'm older! But for now, I'm just grateful for the chance to compete, learn, grow, and create incredible experiences through sports. Thanks for reading, and get out there and go for the gold!篇5My First Big Sports CompetitionWow, where do I even start?! I just had the most amazing experience ever at the City-Wide Track and Field Championships last weekend. I'm still buzzing with excitement thinking about it!I've always loved running and being active, but I never imagined I would get to compete in such a huge event. It all started a few months ago when my gym teacher, Mr. Roberts, noticed how fast I was during our laps in P.E. class. He took me aside one day and said, "Timmy, have you ever thought aboutjoining the school's track team? With your speed, you could be a real star!"To be honest, I hadn't really considered it before. I just enjoyed running for fun during recess and gym class. But Mr. Roberts' words got me thinking – maybe I did have some real talent! With my parents' support, I decided to give the team a try.The first few weeks of practice were pretty tough. I had to learn all these new techniques for sprinting, passing the baton in relays, and pacing myself over longer distances. My teammates were so fast and experienced. I worried I might not be able to keep up.But Coach Wilson was incredibly encouraging, and pretty soon, I started improving a lot. My times dropping and I was getting stronger and more confident with each practice. Before I knew it, the City-Wide Championships were just around the corner, and I had qualified to compete in the 100m dash, 400m run, and 4x100m relay!The morning of the big event, I was a bundle of nerves. There were hundreds of athletes from schools all over the city. Everything looked so professional with the big stadium, starting blocks, and even an announcer calling out names over the loudspeaker! This was the real deal.My family was there in the stands waving their big foam fingers and cheering me on. Just seeing their smiling faces helped calm me down a bit. Coach Wilson gave us all a pep talk about having fun, staying focused, and leaving it all out on the track. Then it was time to warm up.The 100m dash was my first event. As I took my spot in the starting blocks, my heart felt like it might beat out of my chest! Those few seconds waiting for the starting gun seemed to last forever. When it finally went off, I took off like a rocket, pumping my arms and legs as hard as I could.I don't think I've ever run so fast in my life! The whole thing was over in a blink, but I actually ended up taking 3rd place! My parents and teammates went wild cheering when they put the bronze medal around my neck during the little ceremony. I had done it - won my first major medal!After we celebrated for a bit, it was right back to thewarm-up area to get ready for the 400m run. This one was harder since it was a full lap around the huge outdoor track. I really had to watch my pacing and not go out too fast at the start.About halfway through, my lungs were burning and my legs felt like jelly. But I kept pushing, putting one foot in front of the other. As I rounded the final turn into the home stretch, Isomehow found an extra gear, passing a couple runners to grab 4th place! Another medal - I couldn't believe it!My teammates and I were riding so high after those first two events. We gathered together for the 4x100m relay feeling confident and so pumped up. Each of us ran our absolute fastest legs, passing the baton seamlessly.When our anchor runner crossed the finish line, we looked up at the scoreboard and saw our school had won the GOLD! We all piled onto each other in a huge group hug, jumping up and down with pure joy. All of our hard work had paid off. What an incredible feeling of accomplishment.Even though I didn't finish first in all my individual events, contributing to that relay win and seeing the smiles on my teammates' faces as we stood on the podium was the most rewarding part. It showed me how powerful and unstoppable a team can be when you all work together toward a common goal.That experience will forever be one of my most cherished memories. I proved to myself that with dedication, perseverance, and the support of others, you really can achieve amazing things - things that might have once felt impossible. I can't wait to see what other challenges and accomplishments await in the future. This is only the beginning!。
英语作文《我最喜爱的课外活动》
英语作文《我最喜爱的课外活动》My Favorite Extracurricular ActivityHi there! My name is Emma and I'm 10 years old. I love going to school and learning new things every day. But you know what I love even more? My extracurricular activity - I'm on the school's junior robotics team! It's my absolute favorite thing to do after school.I first got interested in robotics a couple years ago. My dad works with computers and he'd sometimes let me play with little robot kits he brought home from work. I thought it was so cool to build little robots and see them move around! I loved putting all the pieces together and programming them to do exactly what I wanted.When I started 4th grade this year, I saw a flyer for the junior robotics team. I begged my parents to let me join and luckily they said yes! The robotics team meets twice a week after school in the science lab. We have so much fun building and programming cool robots.This year, our big project is building a robot for a competition called the "Rover Ruckus." We have to program a robot that can pick up lots of little yellow balls and cubes andmove them into different areas on this big playing field. It's really hard but also really exciting!Our team is made up of 10 4th and 5th graders. We have a few adult coaches who are engineers and they teach us about programming, building robots, working as a team, and all that good stuff. But we're the ones who have to do the actual building and coding for the robot!I'm one of the lead programmers on my team, along with my friend Jacob. We use special computer programs to write code that tells the robot exactly what to do. Should it go left or right? How fast should the wheels spin? When should it activate the arm to pick something up? It's like teaching the robot how to think and act.Coding the robot is my favorite part. I love the challenge of figuring out how to make it do exactly what we want for the competition. Sometimes Jacob and I get really stuck on a problem and have to rethink our whole code from the beginning. But when we finally crack it, it feels SO good!The building part is fun too though. Our team has a lot of fierce debates over how to design the best robot for the job. Should we use tank treads or wheels? How many motors will we need? What materials should we use? I've learned thatengineering is all about trade-offs - you can't have everything, so you have to decide what's most important.We're always tweaking our robot design, building new pieces to test out or taking things apart again. It's sort of like a big jigsaw puzzle that keeps changing! I've gotten pretty handy with tools like drills, saws, and wrenches. My parents joke that I'm more of a handyman than my dad now.In the few months since joining the team, I've learned so much about programming, engineering, and working together. Our coaches are always emphasizing how important communication and teamwork is. We all have to share our ideas, but also really listen to each other. Nobody can get too stuck in their own way of thinking.That's probably been one of the biggest challenges - learning how to work as a team when we all have our own strong opinions! We've had plenty of arguments and frustrations when we can't agree on the best way to do something. But we're getting better at talking it through, considering every idea, and coming to a compromise.What I love most about robotics club is the sense of accomplishment when we finally figure something out or get our robot working right. Preparing for a big competition like theRover Ruckus is just SO MUCH WORK! But I know all that hard work and problem-solving will pay off when we see our awesome robot successfully navigate the course.Robotics club has definitely been challenging at times, but it's easily my favorite extracurricular activity. I get to be creative, learn about engineering and coding, and work together with friends who share my interests. I know the skills I'm developing - problem-solving, programming, teamwork - will be super valuable not just for robotics, but all sorts of things I pursue in the future.I can't wait to see how our robot performs at the Rover Ruckus competition coming up! Maybe we'll even bring home a trophy. But win or lose, I already feel like I've gained so much from this experience. Robotics has opened up my eyes to the possibilities of technology and engineering. I can definitely see myself wanting a job in this field when I'm older. Building robots is just SO COOL! Who knows, maybe I'll grow up to design robots that can explore other planets or help people in amazing ways. For now though, I'm just thrilled to be part of my school's awesome junior robotics team.。
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ZoneFlex 7761-CM Dual-band 802.11n 3:3:2
ZoneFlex 7762-AC Dual-band 802.11n 3x3:2
ZoneFlex 7762 Dual-band 802.11n 3x3:2
ZoneFlex 7762-S Dual-band 802.11n 3X3:2
8
无线性能 –吞吐量测试 (2.4GHz)
下行 TCP 性能
Ruckus 7363
上行 TCP 性能
88.55
Ruckus 7363
76.26 69.11 37.53 48.11 32.94 42.14
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85
RUCKUS WIRELESS PROPRIETARY AND CONFIDENTIAL
12
Aruba完整的安全体系
▪ 集成的状态防火墙 ▪ 基于用户的访问控制
Active Directory 服务接口
Active Directory
▪ 集中的安全管理
▪ 针对内网攻击的黑名单 ▪ 非法AP的分类和跟踪
290%
TOP 5 SUPPLIERS Wireless LAN coordinated access points, unit shipments worldwide
Other 33% 12%
23% 5%
MOTO
2.1% 17%
HP Cisco
44%
Aruba
27%
of worldwide market for shipments of Wi-Fi nodes to carriers
ZoneFlex 7731 P-T-M-P 5GHz 802.11n
RUCKUS WIRELESS PROPRIETARY AND CONFIDENTIAL
6
无线性能– 吞吐量测试(5GHz)
下行 TCP 性能
Ruckus 7363
上行 TCP 性能
88.55
Ruckus 7363
78.89 0.50 37.53 48.11 24.82 2.15
HP 460
HP 460
Cisco 3500
Cisco 3500
Aruba 125
Aruba 125
Apple Extreme
Apple Extreme
Mbps
Mbps
Mbit/s
图例说明
信道: 距离: 干扰: 客户端类型:
36 (40 MHz wide) 70 英尺可视 Co-channel (60终端连接不同的AP) 单个 802.11n 客户端 (3 流 )
RUCKUS WIRELESS PROPRIETARY AND CONFIDENTIAL
-25%
4
Why Ruckus
高性能
• 高吞吐量及并发用户数 • 智能天线无缝覆盖
BenmFlex智能天线、性能稳定 可靠，主动避让障碍和射频干扰 适合高密度、大容量、高并发 用户场景
易管理
• 支持中文管理界面 •配置简单、部署快捷
节约20% AP数量、无线控制器 license、5/6类综合布线、PoE 交换机端口数量、能耗、后期 维护支持开销
RUCKUS WIRELESS PROPRIETARY AND CONFIDENTIAL
5
完整的WLAN解决方案产品线
HIGH END MIDRANGE LOW END
ZoneFlex 7982 ZoneFlex 7962 Dual-band 802.11n Dual-band 802.11n 3x3:3 3x3:2
中国深圳设立研发中心、适应 中国市场 AP零配置、AC复杂功能，但配置 实现简单快捷
多媒体性能及Mesh
•良好支持高清组播视频及语音应用 •Smart Mesh组网灵活可靠
Smart QoS技术，保证语音及 高清视频应用 大型Mesh网络快速自愈，最大 可支持8跳
无线总体拥有成本低TCO
•节省15-20%部署AP数量 •无线网络升级扩容简单快捷
2
Wifi在移动互联网的发展
50 40
Hale Waihona Puke 双频手机 30 发货量(亿)
Source: ABI Research, 2009
20 10 0 2007 2008 2009 2010 2011 2012 1000
到2013时所有手机有超过 1/3会内置有WiFi
.11ac/ad .11n .11g .11b
Meraki 24
HP 460
HP 460
Cisco 3500
Cisco 3500
Aruba 125
Aruba 125
Apple Extreme
Apple Extreme
Mbps
Mbps
图例说明
信道: 距离: 干扰: 客户端:
1 (20 MHz wide) 100 英尺不可视 2.4 GHz 干扰噪声 单 802.11n 客户端 (3 流)
下行 TCP 性能
Ruckus 7363
上行 TCP 性能
31.64
Ruckus 7363
28.98 0.50 10.39 27.83 10.42 7.52
0 5 10 15 20 25 30 35
Meraki 24
0.50 23.79 28.28 24.15 17.24
0 5 10 15 20 25 30 35
Apple Extreme
Apple Extreme
Mbps
Mbps
图例说明
信道: 距离: 干扰: 客户端类型:
1 (20 MHz wide) 100 英尺不可视 无 单 802.11n 客户端 (3 流)
RUCKUS WIRELESS PROPRIETARY AND CONFIDENTIAL
9
无线性能 –吞吐量测试 (2.4GHz)
无线控制器
Rights, QoS, VLAN
集中加密密钥
▪ 集成的高性能的无线IPS
内置rogue 检测和抑制
有线 L2/L3 传输
Access Point
SSID: CORP
非法AP
检测并隔离 不信任用户 雇员
SSID: VOICE
SSID: GUEST
语音
访客
RUCKUS WIRELESS PROPRIETARY AND CONFIDENTIAL
RF管理能力
Channel FLY、Airtime ARM在同频干扰环境下需 fairness、Beam Flex、自适 自适应功能管理（ARM） 要降低天线接收灵敏度 应调整功率及信道 内置8-19根7-9dBi智能天线 阵列 1-6根2-4dBi全向天线 dB是对数级关系，每3个dB 相差2倍 很少Aruba的专业工程师才 能够发挥出Aruba的安全性 能，用户实际构架成本高 无线承载在有线网络上， 需要单独部署一个无线的 防火墙，在一个整体网络 里面维护两个安全设备 流量两次穿过有线承载网 络，无法应对每个802.11n 的AP高达900Mbps的性能
安全性
集中转发或分布式 集中式转发或者分 转发，可根据不同 集中转发（除 集中转发（除 布式转发(分布式转 SSID采用不同的转发 remote AP) remote AP) 发几乎没有案例) 模式 内置智能天线阵列 ChannelFly、频段引 普通AP Client link 、Band 导、空中时间公平 但3600系列AP宣称 Select、Clean Air 自适应功率调整管 性专利技术保证强 Spectrum 是支持终端感知型 理（ARM) 干扰环境提供高可 智能天线 Intelligence 靠、稳定吞吐性能 的无线接入 N:1 Smart redundancy HP:热备份 热备份 N:1 热备份 N:1 Primary/secondry备 H3C:堆叠 N:N 份 AD/LDAP/RADIUS Dynamic PSK专利技 强调有线无线统一 每个SSID需要单 AD/LDAP/RADIUS 术，每个终端单独8- 认证，安全准入一 独配置防火墙策 防火墙\WIPS功能需 63字节密钥，与MAC 般采用与802.1x做结 略,无法做基于用 要根据AP数量购买 合 户角色的防火墙 license 地址梆定，控制器 内置WIPS
RUCKUS WIRELESS PROPRIETARY AND CONFIDENTIAL
7
无线性能– 吞吐量测试(5GHz)
下行 TCP 性能
Ruckus 7363
上行 TCP 性能
88.55
Ruckus 7363
78.89 0.50 37.53 48.11 24.82 2.15
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85
集中转发或者本 地转发
Standard based distributed cell
堆叠 N:N AP需安装单独 WIPS传感器并配 置单独的WLAN, 需要单独配置 WIPS管理平台
RUCKUS WIRELESS PROPRIETARY AND CONFIDENTIAL
11
主流厂商竞争分析
Ruckus VS Aruba Ruckus VS Cisco Ruckus VS HP/H3C Ruckus VS Moto 产品对比
13
Ruckus VS Aruba
竞争要点 Ruckus Aruba 应对备注说明 每用户四个专属的QoS队列、 基于WLAN的实时流应用将 部署语音时，需要单独购 QoS及多媒体支持能力 802.11bg的AP即可支持20路 越来越多，对于每个用户 买voice模块、视频应用支 VOIP语音及4-6 MPEG-4标清 需要提供足够稳定的无线 持能力较弱 或10Mbps高清视频 传输带宽