Business English enroll for free

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https://www.coursera.org/.../business-english-vocabulary...

https://www.coursera.org/.../presentations-speaking-so...

https://www.coursera.org/learn/finance-economics-english...

https://www.coursera.org/learn/writing-for-business...

https://www.coursera.org/.../professional-emails-english...

https://www.coursera.org/.../management-leadership...

Peking University is determined to make its education openly accessible to students in China and around the world. With over 3000 faculty members, Peking University offers excellence in teaching and learning. Founded in 1898, Peking University (PKU) was the first national comprehensive university in China. For the past 115 years, with its hundreds of thousands of outstanding alumni, Peking University has made prominent contributions in the humanities and sciences to further China's prosperity and progress.

This is an ABC Chinese course for beginners, including introduction of phonetics and daily expressions. After taking this class, learners can have a basic understanding of Chinese Mandarin and make basic conversations of daily living such as exchanging personal information, talking about daily arrangements and food, asking about price, introducing the city and the weather, telling your hobbies etc. Selected topics and situations come from real life scenarios and can be used for everyday communications. In addition to the dialogues, the selection of reading materials and practice activities will make the content as rich and varied as possible, in order to stimulate the learners’ interests. This is an elementary course on Chinese speaking. The learners don’t need to study Chinese characters, so it is easier to follow and complete this course.

https://www.classcentral.com/course/hy-2353

Learners will expand vocabularies about personal information, daily life, food and drink, healthy, and expressions about greeting, suggestion, agreement, comparison, complaint, prohibition, experience, plan, recommendation, etc. Learners can improve their listening and speaking and know much more about Chinese social cultures. As the same as Chinese for beginners, the course doesn’t ask the learners to know Chinese characters.  Recommended Background: For learners with certain English language ability and better have attended Chinese for beginners.

 https://www.classcentral.com/course/more-chinese-for-beginners-5988

Learners will start from the basic element of Chinese characters-- Strokes. Then we will learn 1,200 basic Chinese words composed of 240 commonly used Chinese characters, which begin with “一”(one), including pronunciation, shape and meaning, so that to improve the learning effect. 

https://www.classcentral.com/course/chinesecharacters-4433

Learners we will continue to learn another 240 Chinese characters in this course. And we will learn about another 1,200 basic Chinese words composed of 240 commonly used Chinese characters, which begin with “耳”(ear), including pronunciation, shape and meaning, so that to improve the learning effect. 

https://www.classcentral.com/course/hanzi-2-10324

离散数学是计算机科学的基础理论，离散结构的基础知识和逻辑思维的形式化是信息技术类学生的基本功，离散数学的基本概念是理科专业学生进行信息类课程学习的重要基础。 本课程介绍计算机科学和信息技术理论基础的概念和思想方法，介绍数理逻辑、集合论、图论、抽象代数和形式语言与自动机等各部分的基本概念，介绍离散数学基本概念和空间信息技术之间的联系与结合，培养学生理解和掌握离散数学基本概念，采用形式化方法分析问题，并能自觉运用逻辑分析、结构层次分析和同构类比等思想方法解决问题的能力。

https://www.classcentral.com/course/dmathgen-4431