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115 1
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206M 1.6M

Millions trust Grammarly’s free writing app to make their online writing clear and effective. Getting started is simple — download Grammarly’s extension today.

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125 32
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191.1M 58.2M

Instructure's educational software includes Canvas LMS, used by schools and universities worldwide. Learn why Instructure is a great place to work and to invest in.

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125 8
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191.1M 10.4M

Udemy is an online learning and teaching marketplace with over 130,000 courses and 35 million students. Learn programming, marketing, data science and more.

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139 12
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173.7M 12.5M

W3schools online web tutorials.

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219 41
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115.5M 23.6M

Access 130+ million publications and connect with 15+ million researchers. Join for free and gain visibility by uploading your research.

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230 9
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110.5M 4M

Join Coursera for free and learn online. Build skills with courses from top universities like Yale, Michigan, Stanford, and leading companies like Google and IBM. Advance your career with degrees, certificates, Specializations, & MOOCs in data science, computer science, business, and dozens of other topics.

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293 65
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88.9M 22.5M

Quizlet makes simple learning tools that let you study anything. start learning today with flashcards, games and learning tools — all for free.

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331 5
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79.6M 1.1M

Find and read more books you’ll love, and keep track of the books you want to read. Be part of the world’s largest community of book lovers on Goodreads.

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348 60
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76.1M 14.1M

Blackboard is dedicated to helping you solve your most critical challenges in today's ever-changing environment to increase your students' success.

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360 81
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73.9M 19M

ScienceDirect is the world's leading source for scientific, technical, and medical research. Explore journals, books and articles.

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413 84
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65.3M 14.8M

Access to this page has been denied.

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417 5
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64.7M 689.7K

廣受年輕人喜愛的 Dcard 是台灣最大的匿名交流平台,舉凡時事話題、感情心情、吃喝玩樂、學習工作等,都有卡友陪你聊!

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443 67
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61.3M 9.7M

Academia.edu is a place to share and follow research.

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457 22
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59.6M 2.7M

菜鸟教程(www.runoob.com)提供了编程的基础技术教程, 介绍了HTML、CSS、Javascript、Python,Java,Ruby,C,PHP , MySQL等各种编程语言的基础知识。 同时本站中也提供了大量的在线实例,通过实例,您可以更好的学习编程。..

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492 88
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55.8M 10.8M

We unlock the potential of millions of people. Our qualifications, assessments, academic publications and original research spread knowledge and spark enquiry.

Industry
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515 27
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53.5M 2.7M

Babyschool.com.cn is ranked number 515 in the world, hosted in China and links to network IP address 60.190.172.146.

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580 12
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48.1M 877.4K

清大学习吧针对小初高各个阶段的学生,精心设置了名师课堂,一对一辅导,个性化家教,小班授课,在线答疑,黄冈立体课堂,在线直播等网络课程,专注远程教育为一体的中小学学习交流社区。

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598 121
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Instant access to millions of Study Resources, Course Notes, Test Prep, 24/7 Homework Help, Tutors, and more. Learn, teach, and study with Course Hero. Get unstuck.

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631 18
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44.6M 1.2M

Duolingo is the world's most popular way to learn a language. It's 100% free, fun and science-based. Practice online on duolingo.com or on the apps!

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635 172
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44.3M 8.6M

Kementerian Pendidikan dan Kebudayaan.